Carrier 40MAQB09B3, 40MAQB12B3, 40MAQB18B3 Product Data

38MGQ / 40MAQ / 40MB
Multi---Zone Ductless Split System
Sizes 18, 27, 36 and 48

Product Data

INDUSTRY LEADING
FEATURES / BENEFITS

AN INEXPENSIVE AND CREATIVE
SOLUTION TO DESIGN PROBLEMS.

The 38MGQ/40MAQ/40MB ductless inverter driven multi--zone
system provides individual comfort control for up to 5 separate
zones. Two, three, four or five space-- saving cassette, floor console,
high wall, or ducted fan coils can be matched with one outdoor
heat pump. The indoor fan coils are connected to the outdoor unit
by refrigerant tubing and wires.

The different styles of indoor units can be mounted in several
locations to accommodate the application. This selection of fan
coils permits inexpensive and creative solutions to design problems
such as:

S When adding air conditioning to spaces that are heated

by hydronic or electric heat and have no ductwork.

S Historical renovations or any application where

preserving the look of the original structure is essential.

S Commercial add--on jobs where the existing air

conditioning system cannot be stretched.

These compact indoor fan coil units take up very little space in the
room and do not obstruct windows. The fan coils are attractively
styled to blend with most room decors.

Advanced system components incorporate innovative technology
to provide reliable cooling and heating performance at low sound
levels.

INVERTER TECHNOLOGY

The inverter driven compressor is designed to run at various input
power frequencies (Hz) which controls the compressor’s motor
speed.

Even Temperature – The control package, including the inverter,
monitors the outdoor and indoor temperatures as they relate to the
selected indoor set point and adjusts the compressor speed to match
the load and keep the system operating continuously rather than
cycling and creating temperature swings. This translates to higher
comfort levels for the occupants.

Rapid Pull Down/Warm--Up – Comfort is increased by the
inverter system’s ability to ramp up the compressor speed enabling
the system to reach the user selected room temperature set point
quicker.

Humidity Control – Running the system for longer periods and
continuously varying the compressor speed enhances the humidity
control.

INDIVIDUAL ROOM COMFORT

Maximum comfort is provided because each space can be
controlled individually based on the usage pattern. The air sweep
feature provided permits optimal room mixing to eliminate hot and
cold spots for the occupant comfort.

LOW SOUND LEVELS

When noise is a concern, ductless split systems are the answer. The
indoor units are whisper quiet. There are no compressors indoors,
either in the conditioned space or directly over it, and there is none
of the noise usually generated by air being forced through the
ductwork.

When sound ordinances and proximity to neighbors demand quiet
operation, the 38MGQ unit is the right choice. With the inverter
technology, these units run at lower speeds most of the time
resulting in reduced sound levels.

INVERTER TECHNOLOGY – ENHANCED
ECONOMICAL OPERATION

Ductless systems are inherently economical to operate. Individual
rooms are heated or cooled only when required, and since the air is
delivered directly to the space, there is no need to use additional
energy to move the air in the ductwork. This economical operation
is enhanced further when the inverter system output matches the
load resulting in a more efficient system.

EASY--TO--USE CONTROLS

The multi--zone systems have microprocessor--based controls to
provide the ultimate in comfort and efficiency. The user friendly
wired and wireless remote controls provide the interface between
the user and the unit.

FAST INSTALLATION

This compact ductless split system is simple to install. A mounting
bracket is included with the indoor units and only wires and piping
need to run between the indoor and outdoor units. These units are
fast and easy to install ensuring minimal disruption to customers in
homes or the workplace. This makes the 38MGQ/40MAQ/40MB
systems the equipment of choice for retrofit applications.

SIMPLE SERVICING AND MAINTENANCE

Removing the top panel of the outdoor unit provides immediate
access to the control compartment, providing the service technician
access to the diagnostic LEDs to facilitate the troubleshooting
process. In addition, the draw--thru design of the outdoor unit
means that dirt accumulates on the outside surface of the coil. Coils
can be cleaned quickly from the inside using a pressure hose and
detergent.

On the indoor units, service and maintenance expense is reduced
due to the permanent easy to clean filters. Also, error codes are
displayed on the front panel to alert the user to certain system
malfunctions

BUILT--IN RELIABILITY

Ductless split system indoor and outdoor units are designed to
provide years of trouble--free operation.

Both the indoor and outdoor units are well protec t ed. Whenever the
micr opr ocessor detects abnormal conditions, the unit stops and an
error code appear s.

Inverter systems provide additional reliability due to the soft start.
This refers to the ability of the inverter to start the compressor
motor using reduced voltage and reduced current. This feature is
beneficial from an electrical standpoint (eliminates current spikes)
as well as an overall reliability standpoint due to reduced stress on
all associated system components.

CONDENSATE PUMP

A condensate pump accessory is available (High Wall and Floor
Console) to provide installation flexibility for those applications
where gravity cannot be used to dispose of the condensate.
Factory installed condensate pump on the Ducted and Cassette fan
coils provides installation flexibility.

AGENCY LISTINGS

All systems are listed with AHRI (Air conditioning, Heating, and
Refrigeration Institute) and are ETL certified per UL 1995
standard.

SECURE OPERATION

If security is an issue, outdoor and indoor units are connected only
by refrigerant piping and wiring to prevent intruders from crawling
through ductwork or wall openings. In addition, since the 38MGQ
can be installed close to an outside wall, coils are protected from
vandals and severe weather.

2

MODEL NUMBER NOMENCLATURE

INDOOR UNIT

40 MB 309

40 = FAN COIL UNIT

BQD

--- ---

MA =HIGHWALL
MB = CASSETTE, DUCTED, FLOOR CONSOLE

SYSTEM TYPE
Q =HEATPUMP

B=ALL

NOMINAL C APACITY
09 --- 3 /4 T O N
12 --- 1 T O N
18 --- 1 --- 1 /2 T O N S
24 --- 2 T O NS

38 MG 318

38 = OUTDOOR UNIT

MG =ALL

SYSTEM TYPE
Q =HEATPUMP

OUTDOOR UNIT

CQ---

--- ---

VOLTAGE
3 = 208/230 ---1--- 60

NOT USED

INDOOR FAN COIL TYPE

B =HIGHWALL
C =CASSETTE
D =DUCTED
F = FLOOR CONSOL E

VOLTAGE
3 = 208/230 ---1--- 60

MAXIMUM NUMBER OF FAN COIL UNITS THAT
CAN BE CONNECTED TO THE OUTDOOR UNIT
C =1:2
D =1:3
F =1:4OR1:5

NOMINAL C APACITY
18 --- 1 1 / 2 T O NS
27 --- 2 1 / 4 T O NS
36 --- 3 T O NS
48 --- 4 T O NS

Use of the AHRI Certified
TM Mark indicates a
manufacturer’s
participation in the
program For verification
of certification for individual
products, go to
www.ahridirectory.org.

NOT USED

UNIT TYPE

--- = OUTDOOR UNIT

3

STANDARD FEATURES AND ACCESSORIES

Ease of Installation

Mounting Bracket S
Low Voltage Controls S

Comfort Features

Microprocessor Control S

Wired Remote Control for High Walls, Cas set te and Floor Console A

Wired Remote Control for D ucted S

Wireless Remote Control S
Rapid Cooling and Heating S
Automatic Air Sweep S
Cold Blow Prevention S
Continuous Fan S
Auto Restart Function S
Auto Changeover S

Follow Me S

Energy Saving Features

Inverter Driven Compressor S
Sleep Mode S
24 Hour Stop/Start Timer S

46° F Heating Mode (Heating Setback) S

Safety And Reliability

Indoor Coil Freeze Protection S
3MinuteTimeDelayForCompressor S
High Compressor Discharge Temperature S
Low Voltage Protection S
Compressor Overload Protection S
Compressor Over Current Protection S
IPM Modul e Protection S

Ease of Service

Cleanable Filters S
Diagnostic S
Error Messages Displayed On Front Panel S

Application Flexibility

Condensate Pumps For High Walls and Floor Console A
Condensate Pump For Cassette and Ducted S
Crankcase Heater S
Basepan Heater S

Legend
S St andard
A Accessory

INDOOR UNITS

On high wall and floor console fan coils, the condensate pump
accessory is recommended when an adequate drain line pitch
cannot be provided, or when the condensate must move up to exit.

The pump has a lift capability of 12 ft. (3.6 m) on the discharge
side if the pump is mounted in the fan coil or 6 ft. (1.8 m) on the
suction side if the pump is remote mounted.

OUTDOOR UNITS

Standard on all unit sizes. Heater clamps around compressor oil
stump.

FACTORY INSTALLED BASEPAN
HEATER

Fig. 1 – Condensate Pump Accessory

ACCESSORIES

ORDERING NO. DESCRIPTION FOR MODELS

5 3 DS --- 9 0 0 --- --- --- 1 1 8

KSACN0101AAA Wired Remote Control

4 0 MBQ B 0 1 C --- --- --- Grille/Ceiling panel

5 3 DS --- 9 0 0 --- --- --- 0 0 8

5 3 DS --- 9 0 0 --- --- --- 0 8 9

Condensate Pump

(230v)

Insulated 25’ Line Set ---

1/4“ x 1/2”

Insulated 25’ Line Set ---

1/4” x 3/8”

MA, MB*F Indoo r units

MA, MB*F & MB*C

MB*C Cassette Indoo r

See Product Data fo r

See Product Data fo r

Systems

units

sizes

sizes

4

COMBINATION TABLE

INDOOR UNIT NOMINAL UNIT BTUH INDOORMODEL NUMBER OUTDOOR MODEL NUMBER

High Wall

Cassette

Ducted

Floor Console

INDOOR UNIT NOMINAL UNIT BTUH INDOORMODEL NUMBER OUTDOOR MODEL NUMBER

High Wall

Cassette

Ducted

Floor Console

INDOOR UNIT NOMINAL UNIT BTUH INDOORMODEL NUMBER OUTDOOR MODEL NUMBER

High Wall

Cassette

Ducted

Floor Console

9,000 40MAQB09B--3

12,000 40MAQB12B--3

9,000 40MBQB09C--3

12,000 40MBQB12C--3

9,000 40MBQB09D--3

12,000 40MBQB12D--3

9,000 40MBQB09F--3

12,000 40MBQB12F--3

9,000 40MAQB09B--3
12,000 40MAQB12B--3
18,000 40MAQB18B--3

9,000 40MBQB09C--3
12,000 40MBQB12C--3
18,000 40MBQB18C--3

9,000 40MBQB09D--3
12,000 40MBQB12D--3
18,000 40MBQB18D--3

9,000 40MBQB09F--3
12,000 40MBQB12F--3

9,000 40MAQB09B--3
12,000 40MAQB12B--3
18,000 40MAQB18B--3
24,000 40MAQB24B--3

9,000 40MBQB09C--3
12,000 40MBQB12C--3
18,000 40MBQB18C--3

9,000 40MBQB09D--3
12,000 40MBQB12D--3
18,000 40MBQB18D--3
24,000 40MBQB24D--3

9,000 40MBQB09F--3
12,000 40MBQB12F--3

38MGQC18---3

38MGQD27---3

38MGQF36---3
38MGQF48---3

5

DIMENSIONS -- INDOOR

UNIT SIZE W In. (mm) D In. (mm) H In. (mm)

9K/12K 32.9(835) 7.8(198) 11.0(280) 19.2(8.7)

18K 39.0(990) 8.6(218) 12.4(315) 26.5(12.0)

24K/30K 46.7(1186) 10.2(258) 13.4( 343) 40.8(18.5)

Fig. 2 – High Wall Dimensions

OPERATING WEIGHT

Lbs. (kg)

Fig. 3 – Cassette Dimensions

UNIT SIZE

Height in(mm) 10.24 (260) 1.97 (50) 10.24 (260) 1.97 (50) 10.24 (260) 1.97 (50)

Width in(mm) 22.44 (570) 25.47 (647) 22.44 (570) 25.47 (647) 22.44 (570) 25.47 (647)
Depth in(mm) 22.44 (570) 25.47 (647) 22.44 (570) 25.47 (647) 22.44 (570) 25.47 (647)

Operating

Weight

lbs(kg) 35.27 (16) 5.51 (2.5) 35.27 (16) 5.51 (2.5) 39.68 (18) 5.51 (2.5)

body panel body panel body panel

9K 12K 18K

6

DIMENSIONS -- INDOOR (CONTINUED)

Fig. 4 – Ducted Dimensions

OUTLINE

DIMENSIONS in(mm)

Size A B C D E F G H I J K L M H1 H2 W1 W2

27.6

(700)

27.6

(700)

36.2

(920)

36.2

(920)

8.2

(210)25(635)

8.2

(210)25(635)

8.2

(210)25(635)

10.6

(270)25(635)

9

12

18

24

22.4

(570)

22.4

(570)

22.4

(570)

22.4

(570)

AIR O UTLET

OPENING SIZE in(mm)

2.5

19.4

(65)

(493)

2.5

19.4

(65)

(493)

2.5

19.4

(65)

(493)

2.5

19.4

(65)

(493)

1.3
(35)

1.3
(35)

1.3
(35)

1.3
(35)

OPENING SIZE in(mm)

4.6

23.4

(119)

(595)

4.6

23.4

(119)

(595)

4.6

32.0

(119)

(815)

7.0

32.0

(179)

(815)

AIR RETURN

7.8

(200)

7.8

(200)

7.8

(200)

10.2

(260)

3.1

(80)

3.1

(80)

3.1

(80)

0.7

(20)

HANGER

BRACKETS

in(mm)

29.1

(740)

29.1

(740)

37.8

(960)

37.8

(960)

13.8

(350)

13.8

(350)

13.8

(350)

13.8

(350)

PIPE LOCATIONS

4.7

(120)

4.7

(120)

4.7

(120)

4.7

(120)

REFRIGERANT

in(mm)

5.6

3.7

(143)

(95)

5.6

3.7

(143)

(95)

5.6

3.7

(143)

(95)

5.6

3.7

(143)

(95)

5.9

(150)

5.9

(150)

5.9

(150)

5.9

(150)

7

OPERATING

WEIGHT
Lbs. (kg)

in(mm)

39.90
(18.1)

39.90
(18.1)

50.7
(23)

57.32
(26)

DIMENSIONS -- INDOOR (CONTINUED)

Fig. 5 – Floor Console Dimensions

UNIT SIZE 9 12

Depth in (mm) 8.27 (210) 8.27 (210)
Width in (mm) 27.56 (700) 27.56 (700)

Height in (mm) 23.62 (600) 23.62 (600)

Operating Weight Lbs. (kg) 32.41 (14.7) 32.41 (14.7)

8

DIMENSIONS -- OUTDOOR

Fig. 6 – Outdoor Dimensions Size 18

UNIT SIZE 18

Height in (mm) 27.56(700)

Width in (mm) 33.27(845)
Depth in (mm) 12.60(320)

W e i g h t --- N e t lbs (kg) 114.63(52)

9

DIMENSIONS -- OUTDOOR (CONTINUED)

Fig. 7 – Outdoor Dimensions Size 27

UNIT SIZE 27

Height in (mm) 31.89(810)

Width in (mm) 37.20(945)
Depth in (mm) 15.55(395)

W e i g h t --- N e t lbs (kg) 154.76(70.2)

10

DIMENSIONS -- OUTDOOR (CONTINUED)

Fig. 8 – Outdoor Dimensions Size 36

UNIT SIZE 36

Height in (mm) 31.89(810)

Width in (mm) 37.20(945)
Depth in (mm) 15.55(395)

W e i g h t --- N e t lbs (kg) 169.75(77)

11

DIMENSIONS -- OUTDOOR (CONTINUED)

Fig. 9 – Outdoor Dimensions Size 48

UNIT SIZE 48

Height in (mm) 36.93(1369)

Width in (mm) 53.9(938)
Depth in (mm) 15.43(392)

W e i g h t --- N e t lbs (kg) 255.50(115.9)

12

CLEARANCES -- INDOOR

NOTE: Allow sufficient space for airflow and unit servicing. See Fig. 10 thr ough 15 for minimum required clearances.

CEILING

6" (0.15m) min.

5

"

(0.13m)

min.

(1.8m)

6'

FLOOR

Fig. 10 – High Wall Clearance

5

"

(0.13m)

min.

Fig. 11 – Cassette Unit Clearance

13

CLEARANCES -- INDOOR (CONTINUED)

19.7in

/500mm /100mm

3.9in

Fig. 12 – Ducted Clearance

39.4in

/1000mm

19.7in
/500mm

9.8in

/250mm

7.9in

/200mm

9.8ft

/3m

Fig. 13 – Ducted Clearance

Fig. 14 – Floor Console Clearances

14

CLEARANCES -- OUTDOOR

D

A

B

C

Air-outlet

Fig. 15 – Clearances Outdoor

UNIT

A 24 (609)

B 24 (609)
C 24 (609)
D 4 (101)

E 4 (101)

MINIMUM VALUE

in. (mm)

Air-inlet

E

15

PHYSICAL DATA -- OUTDOOR

System

Performance

Non-Ducted

Performance

Combination

Ductedand
Non-Ducted

Performance

Ducted

Operating

Range

Piping

Refrigerant

Electrical

Compressor

Outdoor

Size 18 27 36 48
Outdoor Model 38MGQC18---3 38MGQD27---3 38MGQF36---3 38MGQF48---3
Max Number of Zones 2 3 4 5
Energy Star YES YES NO YES
Cooling System Tons 1.5 2.1 3.0 3.5
Cooling Rated Capacity Btu/h 18,000 25,000 36,000 42,000
Cooling Cap. Range Min - Max Btu/h 8,500~20,000 9,000~30,000 9,500~37,000 10,000~50,000
SEER 21 22 18 20
EER 12.5 12.5 8.8 12.5
Heating Rated Capacity (47°F) Btu/h 18,500 32,000 36,000 49,000
Heating Cap. Range Min - Max Btu/h 9,000~22,000 9,500~32,000 10,000~39,000 10,500~55,000
HSPF 9.6 9.6 10.0 10.0
COP W/W 3.7 3.5 3.4 3.4
Cooling Rated Capacity Btu/h 17,500 26,000 35,000 42,000
Cooling Cap. Range Min - Max Btu/h 8,500~20,000 9,000~30,000 9,500~36,500 10,000~50,000
SEER 19.5 19.25 16.5 19
EER 12.5 11 8.5 11.75
Heating Rated Capacity (47°F) Btu/h 18,250 32,000 36,000 50,000
Heating Cap. Range Min - Max Btu/h 9,000~22,000 9,500~32,000 10,000~39,000 10,500~55,000
HSPF 9.1 9.2 9.7 9.8
COP W/W 3.7 3.5 3.4 3.4
Cooling Rated Capacity Btu/h 17,000 27,000 34,000 42,000
Cooling Cap. Range Min - Max Btu/h 8,500~20,000 9,000~30,000 9,500~36,000 10000~50000
SEER 18 16.5 15 18
EER 12.5 9.5 8.2 11
Heating Rated Capacity (47°F) Btu/h 18,000 32,000 36,000 51,000
Heating Cap. Range Min - Max Btu/h 9000~22000 9500~32000 10,000~39,000 10,500~55,000
HSPF 8.5 8.8 9.3 9.5
COP W/W 3.7 3.5 3.3 3.4
Cooling Outdoor DB Min - Max °F(°C) -4~122 (-20~50) -4~122 (-20~50) -4~122 (-20~50) -4~122 (-20~50)
Heating Outdoor DB Min - Max °F(°C) -4~86 (-20~30) -4~86 (-20~30) -4~86 (-20~30) -4~86 (-20~30)
Total Piping Length ft (m) 98 (30) 147 (45) 196 (60) 245 (75)
Piping to furthest FCU ft (m) 98 (30) 98 (30) 98(30) 98 (30)
Drop (OD above ID) ft (m) 32 (10) 32 (10) 32 (10) 32 (10)
Lift (OD below ID) ft (m) 49 (15) 49 (15) 49 (15) 49 (15)
Pipe Connection Size - Liquid in (mm) 1/4*2 (6.35*2) 1/4*3 (6.35*3) 1/4*4 (6.35*4) 1/4*5 (6.35*5)

Pipe Connection Size - Suction in (mm) 3/8 (9.52*2) 3/8 (9.52*3)
Type R410A R410A R410A R410A

Metering Device EEV EEV EEV EEV
Charge lbs (kg) .19 (1.9) 6.17 (2.8) 7.94 (3.6) 10.14 (4.6)
Voltage, Phase, Cycle V/Ph/Hz 208/230-1-60 208/230-1-60 208/230-1-60 208/230-1-60
Power Supply Indoor unit powered from outdoor unit
MCA A. 15 19 27 29
MOCP - Fuse Rating A. 20 25 40 50
Type RotaryInverter Rotary Inverter Rotary Inverter Rotary Inverter
Model DA150S1C-20FZ DA250S2C-30MT TNB306FPGMC-L MNB36FAAMC-L
Oil Type ESTEROIL VG74 ESTER OILVG74 FV50S FV50S
Oil Charge Fl. Oz. 16.9 27.7 36.2 47.3
Rated Current RLA 10 12.3 22 22
Unit Width in (mm) 33.27 (845) 37.20 (945) 37.20 (945) 53.9 (938)
Unit Height in (mm) 27.56 (700) 31.89 (810) 31.89 (810) 36.93 (1369)
Unit Depth in (mm) 12.60 (320) 15.55 (395) 15.55 (395) 15.43 (392)
Net Weight lbs (kg) 105.82 (48) 143.29(65) 158.72 (72) 227.72 (103.3)
Airflow CFM 1,390 2,130 2,130 3,500
Sound Pressure dB(A) 60 63 63 64

HEAT PUMP

1/2 *1+ 3/8*3

(12.7*1+9.52*3)

1/2 *2+ 3/8*3

(12.7*2+9.52*3)

16

PHYSICAL DATA -- INDOOR

SIZE 9 12 18 24

Model 40MAQB09B------3 40MAQB12B------3 40MAQB18B------3 40MAQB24B--- ---3
Unit Width In. 32.9 32.9 39 46.7
Unit Height In. 11 11 12.4 13.4
Unit Depth In. 7.8 7.8 8.6 10.2
Net Weight Lbs. 19.2 19.2 26.5 40.1

High Wall

Indoor Unit

Cassette

Indoor Unit

Pipe Connection Size --- Liquid In. 1/4 1/4 1/4 3/8
Pipe Connection Size --- Suction In. 3/8 1/2 1/2 5/8
Number of Fan Speeds 4 4 4 4
Airflow (lowest to highest) CFM 210/290/360/380 210/300/360/380 310/ 450/650/680 520/620/780/870
Sound Pressure (lowest to highest) dB(A) 27/34/42 27/34/42 33/40/46 39/45/50
Air throw Data Ft. 23 23 30 36
Wireless Remote Controller (° F/° C Convertible) Standard
Wired Remote Controller (° F/° C Convertible) Optional

SIZE 9 12 18

Model 40MBQB09C --- ---3 40MBQB12C --- ---3 40MBQB18C --- --- 3
Unit Width In. 22.4 22.4 22.4
Unit Height In. 10.2 10.2 10.2
Unit Depth In. 22.4 22.4 22.4
Net Weight Lbs. 35.3 35.3 39.7
Pipe Connection Size --- Liquid In. 1/4 1/4 1/4
Pipe Connection Size --- Suction In. 3/8 1/2 1/2
Number of Fan Speeds 3 3 3
Airflow (lowest to highest) CFM 260/320/380 280/340/400 290/350/420
Sound Pressure (lowest to highest) dB(A) 34/39/44 36/39/42 46/48/50
Wireless Remote Controller (° F/° C Convertible) Standard
Wired Remote Controller (° F/° C Convertible) Optional

Ducted

Indoor Unit

Floor Console

Indoor Unit

SIZE 9 12 18 24

Model 40MBQB09D--- ---3 40MBQB12D --- ---3 40MBQB18D --- --- 3 40MBQB24D --- --- 3
Unit Width In. 27.6 27.6 36.2 36.2
Unit Height In. 8.3 8.3 8.3 10.6
Unit Depth In. 25 25 25 25
Net Weight Lbs. 39.9 39.9 50.7 57.3
Pipe Connection Size --- Liquid In. 1/4 1/4 1/4 3/8
Pipe Connection Size --- Suction In. 3/8 1/ 2 1/2 5/8
Number of Fan Speeds 3 3 3 3
Airflow (lowest to highest) CFM 290/340/380 290/340/380 400/440/480 590/650/810
Sound Pressure (lowest to highest) dB(A) 30/33/36 30/34/38 34/37/38 43/45/48
Max Static Pressure In.WG. 0.18 0.18 0.40 0.40
Wireless Remote Controller (° F/° C Convertible) Standard
Wired Remote Controller (° F/° C Convertible) Standard

SIZE 9 12

Model 40MBQB09F------3 40MBQB12F --- ---3
Unit Width In. 27.6 27.6
Unit Height In. 8.3 8.3
Unit Depth In. 23.6 23.6
Net Weight Lbs. 32.4 32.4
Pipe Connection Size --- Liquid In. 1/4 1/4
Pipe Connection Size --- Suction In. 3/8 1/2
Number of Fan Speeds 3 3
Airflow (lowest to highest) CFM 220/250/280 220/250/280
Sound Pressure (lowest to highest) dB(A) 37/38/41 34/41/45
Wireless Remote Controller (° F/° C Convertible) Standard
Wired Remote Controller (° F/° C Convertible) Optional

17

COOLING PERFORMANCE

COOLING OUTDOOR CONDITIONS (DB)

MODEL

18

27

36

48

Indoor Conditions DB

DB WB

69.8F(21C) 59F(15C)

80.6F(27C) 66.2F(19C)

69.8F(21C) 59F(15C)

80.6F(27C) 66.2F(19C)

69.8F(21C) 59F(15C)

80.6F(27C) 66.2F(19C)

69.8F(21C) 59F(15C)

80.6F(27C) 66.2F(19C)

75F(24C) 85F(29.5C) 95F(35C) 105F(40.5C)

TC 18.07 18.74 17.22 13.28
SC 15.00 15.37 14.64 13.01

Input 1.17 1.54 1.72 1.88

TC 20.75 21.48 20.43 16.42
SC 15.97 16.33 15.93 14.62

Input 1.16 1.56 1.76 1.59

TC 23.99 27.20 24.55 19.31
SC 22.67 24.08 22.56 19.31

Input 1.50 2.42 2.67 2.39

TC 27.40 31.78 29.90 23.85
SC 23.72 25.06 25.12 22.94

Input 1.51 2.52 2.83 2.51

TC 28.80 32.69 30.25 23.15
SC 26.32 28.18 27.02 23.15

Input 2.17 3.45 3.81 2.99

TC 33.47 38.11 36.60 28.42
SC 28.83 30.55 32.94 26.99

Input 2.21 3.57 3.94 3.25

TC 44.06 42.04 38.95 34.05
SC 37.89 36.57 35.44 33.37

Input 3.32 3.78 4.19 4.45

TC 46.88 49.74 45.99 41.31
SC 40.32 43.27 41.85 40.07

Input 2.64 3.90 4.33 4.61

LEGEND

DB --- Dry Bulb
WB --- Wet Bulb
TC --- Total Net Cooling Capacity (1000 Btu/hour)
SC --- Sensible Capacity (1000 Btu/hour)
Input --- Total Power (kW)

HEATING PERFORMANCE

MODEL

18

27

36

48

HEATING OUTDOOR CONDITIONS (DB)

Indoor Conditions (DB) 57F(13.9C) 47F(8.3C) 35F(1.7C) 17F( ---8.3C) 5F( ---15C) --- 4 F ( --- 2 0 C )

55F(12.7C)

70F(21.1C)

55F(12.7C)

70F(21.1C)

55F(12.7C)

70F(21.1C)

55F(12.7C)

70F(21.1C)

TC 23.27 20.85 16.80 13.29 10.92 8.63
Input 1.25 1.33 1.30 1.42 1.35 1.31
COP 5.45 4.59 3.78 2.75 2.38 1.94

TC 21.69 20.19 16.19 12.32 9.09 7.70
Input 1.45 1.51 1.49 1.56 1.48 1.41
COP 4.39 3.93 3.18 2.31 1.80 1.60

TC 37.85 34.34 28.36 22.77 19.38 16.23
Input 2.27 2.29 2.29 2.46 2.44 2.40
COP 4.89 4.39 3.63 2.71 2.33 1.98

TC 36.29 3.23 27.54 20.09 16.37 13.42
Input 2.68 2.64 2.51 2.53 2.39 2.29
COP 3.97 0.36 3.21 2.32 2.00 1.72

TC 41.10 38.52 28.84 28.16 22.87 19.43
Input 3.17 3.31 2.92 3.22 2.97 2.91
COP 3.80 3.41 2.89 2.56 2.26 1.96

TC 40.86 38.83 29.89 26.02 20.15 16.70
Input 3.62 3.73 3.37 3.38 3.05 2.90
COP 3.30 3.05 2.60 2.26 1.93 1.69

TC 60.91 53.30 42.81 33.02 26.16 20.01
Input 4.26 4.04 3.78 3.82 3.56 3.42
COP 4.19 3.87 3.32 2.53 2.15 1.71

TC 55.22 50.58 40.56 31.81 23.48 17.17
Input 4.64 4.59 4.20 4.27 3.98 3.88
COP 3.49 3.23 2.83 2.19 1.73 1.30

LEGEND

DB --- Dry Bulb
TH --- Total Net Heating Capacity (1000 Btu/hour)
Input --- Total Power (kW)

18

PIPING REQUIREMENTS

SYSTEM SIZE 18K 27K 36K 48K

Min. Piping Length per each indoor unit ft (m) 10 (3) 10 (3) 10 (3) 10 (3)
Standard Piping Length per each indoor unit ft (m) 25 (7.5) 25 (7.5) 25 (7.5) 25 (7.5)

Piping

Refrigerant

Max. outdoor---indoor height difference
(OU higher than IU)
Max. outdoor---indoor height difference
(IU higher than OU)
Max. height different between indoor units ft (m) 32(10) 32(10) 32( 10) 32(10)
Max. Length per each indoor unit ft (m) 66(20) 82(25) 98(30) 98(30)
Max. Piping Length with no additional
refrigerant charge per System (Standard
Piping length x No. of Zones)
Total Maximum Piping Length per system Ft. (m) 98(30) 147(45) 196(60) 245(75)
Additional refrigerant charge
(between Standard – Max piping length)

Gas Pipe Size in (mm) 3/8*2 (9.52*2) 3/8*2 (9.52*3)

Liquid Pipe Size in (mm) 1/4 *2 (6.35*2) 1/4 *3 ( 6.35*3) 1/4 *4 (6.35*4) 1/4 *5 (6.35*5)
Refrigerant Type R410A R410A R410A R410A
Charge Amount Lbs (kg) 4.19 (1.9) 6.17 (2.8) 7.94 (3.6) 10.14 (4.6)

ft (m) 32(10) 32(10) 32(10) 32(10)

ft (m) 49(15) 49(15) 49(15) 49(15)

ft (m) 49(15) 74(22.5) 98(30) 123(37.5)

Oz/ft (g/m) 0.16(15) 0.16(15) 0.16(15) 0.16(15)

1/2 *1 (12.7*1)

+3/8*3(9.5*3)

1/2 *2 (12.7*2)

+3/8*3(9.5*3)

NOTE: The refrigerant charge included is adequate for the number of zones multiplied by the maximum piping length per zone with no
additional refrigerant.

APPLICATION DATA

UNIT SELECTION

When selecting a variable speed system match the system capacity
range to the anticipated load range. Since a variable speed system
can accommodate a wide range of loads it is important to
understand the percentage of time that the system will be required
to run at both the maximum and the minimum load points. This
differential is most evident when a residential application is
compared with a commercial application.

Generally there will be more load diversification in the residential
application (shifting from low load to high load).

The commercial application tends to be more steady during the
normal day time hours, and will go to low load levels after normal
business hours. If it is anticipated that the system needs to run at
the maximum load point for the majority of the time, the next
larger system capacity should be selected.

The Application Data table on the following page is a guideline for
selecting the proper size for the application.

19

APPLICATION DATA

OUTDOOR UNIT MODEL COOLING CAPACITY (Btu/h) HEATING C APACITY (Btu/h)

3 8 MG Q C 1 8 --- --- --- 3 Typ e Zone 1 Zone 2 Zone 3 Zone 4 Zone 5 Zone 1 Zone 2 Zone 3 Zone 4 Zone 5

9K+9K

9K+12K 8,500 10,500 9,000 11,000

12K+12K 9,500 9,500 10,000 10,000

3 8 MG Q D 2 7 --- --- --- 3 Zone 1 Zone 2 Zone 3 Zone 4 Zone 5 Zone 1 Zone 2 Zone 3 Zone 4 Zone 5

9K+9K
9K+12K 9,500 12,000 10,000 13,000
9K+18K 8,400 16,600 9,000 18,000

12K+12K 12,000 12,000 13,000 13,000
12K+18K 10,000 15,000 11,200 16,800

9+9+9
9+9+12 8,667 8,667 11,667 9,500 9,500 12,000
9+9+18 8,333 8,333 13,333 9,000 9,000 14,000

9+12+12 8,500 10,000 10,000 8,500 11,000 11,000

12+12+12 9,667 9,667 9,667 10,667 10,667 10,667

3 8 MG Q F 3 6 --- --- --- 3 Zone 1 Zone 2 Zone 3 Zone 4 Zone 5 Zone 1 Zone 2 Zone 3 Zone 4 Zone 5

9+18
12+12 12,000 12,000 13,000 13,000
12+18 12,000 18,000 13,000 18,000
18+18 16,500 16,500 17,000 17,000

9+24 8,500 22,500 9,500 22,500
12+24 10,500 21,000 11,000 22,000

9+9+9
9+9+12 9,000 9,000 12,000 9,500 9,500 12,500
9+9+18 8,000 8,000 16,000 8,500 8,500 17,000

9+12+12 8,500 11,500 11,500 9,000 12,000 12,000
9+12+18 8,000 11,000 15,000 8,500 11,500 16,000

9+18+18 8,000 14,000 14,000 8,500 14,500 14,500
12+12+12 11,333 11,333 11,333 12,000 12,000 12,000
12+12+18 11,000 11,000 14,000 12,000 12,000 15,000
12+18+18 9,333 13,333 13,333 9,500 14,000 14,000

9+9+9+9
9+9+9+12 8,500 8,500 8,500 11,500 9,000 9,000 9,000 12,000
9+9+9+18 8,000 8,000 8,000 14,000 8,500 8,500 8,500 14,000

9+9+12+12 8,000 8,000 10,500 10,500 8,500 8,500 11,000 11,000
9+9+12+18 7,500 7,500 9,000 14,000 8,000 8,000 9,500 14,500

9+12+12+12 7,000 10,000 10,000 10,000 8,000 10,500 10,500 10,500

12+12+12+12 9,500 9,500 9,500 9,500 10,000 10,000 10,000 10,000

3 8 MG Q F 4 8 --- --- --- 3 Zone 1 Zone 2 Zone 3 Zone 4 Zone 5 Zone 1 Zone 2 Zone 3 Zone 4 Zone 5

18+18
18+24 17,500 22,500 18,000 23,000
24+24 21,000 21,000 22,000 22,000

9+24 9,000 23,000 10,000 23,000

9+18 9,500 18,500 10,500 19,000
9+9+18
9+9+24 9,000 9,000 22,500 9,500 9,500 23,500

9+12+12 9,500 12,500 12,500 10,000 10,000 13,000
9+12+18 9,000 12,000 18,000 9,500 9,500 19,000
9+12+24 9,000 12,000 21,500 9,500 12,500 22,000
9+18+18 9,000 18,000 18,000 9,500 18,500 18,500
9+18+24 8,500 15,500 21,000 9,000 16,000 21,500

9+24+24 8,000 20,000 20,000 8,500 21,000 21,000
12+12+12 12,000 12,000 12,000 13,000 13,000 13,000
12+12+18 12,000 12,000 17,000 12,500 12,500 18,000
12+12+24 11,000 11,000 22,000 11,500 11,500 23,000
12+18+18 11,000 16,500 16,500 11,500 17,000 17,000
12+18+24 10,500 15,500 21,500 11,000 16,000 22,000
12+24+24 10,000 20,000 20,000 11,000 20,500 20,500
18+18+18 16,000 16,000 16,000 16,500 16,500 16,500
18+18+24 15,000 15,000 20,000 15,500 15,500 21,000

9+9+9+9
9+9+9+12 9,000 9,000 9,000 12,000 9,500 9,500 9,500 12,500
9+9+9+18 9,000 9,000 9,000 17,000 9,500 9,500 9,500 17,500
9+9+9+24 8,500 8,500 8,500 20,500 9,000 9,000 9,000 21,000

9+9+12+12 9,000 9,000 12,000 12,000 9,500 9,500 13,000 13,000
9+9+12+18 9,000 9,000 11,000 17,000 9,500 9,500 11,500 17,500
9+9+12+24 8,500 8,500 10,500 20,500 9,000 9,000 11,100 21,000
9+9+18+18 8,500 8,500 15,500 15,500 9,000 9,000 16,000 16,000

9+9+18+24 8,000 8,000 14,500 20,000 8,500 8,500 15,000 20,000
9+12+12+12 9,000 12,000 12,000 12,000 9,500 12,500 12,500 12,500
9+12+12+18 9,000 11,000 11,000 16,000 9,500 11,500 11,500 16,500
9+12+12+24 8,500 10,000 10,000 20,000 9,000 10,500 10,500 20,500
9+12+18+18 8,500 10,000 15,000 15,000 9,000 10,500 15,500 15,500
9+18+18+18 8,000 14,000 14,000 14,000 8,500 14,500 14,500 14,500

12+12+12+12 12,000 12,000 12,000 12,000 12,500 12,500 12,500 12,500
12+12+12+18 11,000 11,000 11,000 16,000 11,500 11,500 11,500 16,500
12+12+12+24 10,000 10,000 10,000 20,000 10,500 10,500 10,500 20,500
12+12+18+18 10,000 10,000 15,000 15,000 10,500 10,500 15,500 15,500

9+9+9+9+9
9+9+9+9+12 9,000 9,000 9,000 9,000 12,000 9,500 9,500 9,500 9,500 13,000
9+9+9+9+18 8,500 8,500 8,500 8,500 16,000 9,000 9,000 9,000 9,000 16,500
9+9+9+9+24 7,750 7,750 7,750 7,750 19,500 8,000 8,000 8,000 8,000 20,000

9+9+9+12+12 9,000 9,000 9,000 11,500 11,500 9,500 9,500 9,500 12,000 12,000
9+9+9+12+18 8,000 8,000 8,000 11,000 16,000 8,500 8,500 8,500 11,500 16,500

9+9+9+18+18 8,000 8,000 8,000 11,000 16,000 8,500 8,500 8,500 16,500 16,500
9+9+12+12+12 8,500 8,500 11,000 11,000 11,000 9,000 9,000 12,000 12,000 12,000
9+9+12+12+18 8,500 8,500 10,000 10,000 15,000 8,500 8,500 10,500 10,500 15,500

9+12+12+12+12 8,000 11,000 11,000 11,000 11,000 8,500 11,500 11,500 11,500 11,500
9+12+12+12+18 7,500 10,000 10,000 10,000 14,500 8,000 10,500 10,500 10,500 15,000

12+12+12+12+12 10,500 10,500 10,500 10,500 10,500 11,000 11,000 11,000 11,000 11,000

2 --- Z one

2 --- Z one

3 --- Z one

2 --- Z one

3 --- Z one

4 --- Z one

2 --- Z one

3 --- Z one

4 --- Z one

5 --- Z one

9,000 9,000 9,500 9,500

9,500 9,500 10,000 10,000

9,000 9,000 9,000 9,500 9,500 9,500

9,500 17,500 10,000 18,000

9,333 9,333 9,333 9,667 9,667 9,667

9,000 9,000 9,000 9,000 9,500 9,500 9,500 9,500

18,500 18,500 19,000 19,000

9,500 9,500 18,000 10,000 10,000 19,000

9,250 9,250 9,250 9,250 9,500 9,500 9,500 9,500

9,000 9,000 9,000 9,000 9,000 9,500 9,500 9,500 9,500 9,500

20

UNIT MOUNTING (INDOOR)

Mounting Bracket – The fan coil units are furnished with

mounting brackets or dedicated mounting holes to hang the unit.
Support – Adequate support must be provided to handle the

weight of all fan coils. Refer to the Physical Data section for
weights, and the base unit dimensional drawings.

Unit Leveling – For reliable operation, units should be level in all
planes.

Clearances – Minimum clearance as shown in Fig. 14--15.
Unit location – Select a location which provides the best air

circulation for the room. These units should be positioned as high
as possible to provide adequate air circulation. The unit return and
discharge should not be obstructed by furniture, curtains, or
anything which may cause the unit to short cycle or air to recycle.

UNIT MOUNTING (OUTDOOR)

Support – A location which can bear the weight of outdoor unit.

Refer to the Physical Data section for weights, and base
dimensional drawings.

Unit Leveling – For reliable operation, units should be level in all
planes.

Clearances – Minimum clearances, as shown in Fig. 15, must be
provided for airflow. The outdoor units are designed for free--blow
applications. Air inlets and outlets should not be restricted.

Unit location – A location which is convenient to installation and
not exposed to strong wind.

SYSTEM OPERATING CONDITIONS

Cooling operating range:

OPERATING RANGE (Min / Max ° F (° C))

Cooling Heating

Outdoor DB ---4 / 122 ( ---20 / 50) ---4 / 86 ( ---20 / 30)

Indoor DB 63 / 90 (17 / 32) 32 / 86 (0 / 30)

Indoor WB 59 / 84 (15 / 29)

Heating operating range:

NON---OPERATING TEMPERATURE RANGE (Min / Max ° F (° C))

Indoor/Outdoor DB 32 / 86 (0 / 30)

METERING DEVICES

The outdoor unit has multiple electronic expansion valves to
manage the refrigerant flow to the different indoor fan coils
connected to that unit.

REFRIGERANT LINES

General Guidelines:

1. The outdoor units are shipped with a full charge of R--410A
refrigerant. All charges, line sizing, and capacities are based
on runs of 25 ft. (7.6 m). For runs over 25 ft. (7.6m),
consult long--line section on this page for proper charge
adjustments.

2. Refrige rant lines should not be buried in the ground. If it is
necessary to bury the lines, do not bury more than 36 inches
(914 mm). Provide a minimum of 6 inch (152 mm) vertic al
rise to the servi ce valves to prevent refrigerant migration.

3. Both lines must be insulated. Use a minimum of ½-- i n c h
(12.7 mm) thick insulation. Closed --cell insulation is
recommended in all long--line applications.

4. Special consideration should be given to isolating the
interconnecting tubing from the building structure. Isolate
the tubing so vibration or noise does not transmit into the
structure.

Long Line Applications:

S No change in line sizing is required.

TOTAL

MAX.

PIPING

LENGTH

FT. (m.)

UNIT
SIZE

18 2

27 3

36 4

48 5

ZONES

CHARGE

oz. (kg.)

67.02
(1.9)

98.76
(2.8)

126.98
(3.6)

162.26
(4.6)

ADDITIONAL

CHARGE

REQUIRED

AFTER FT. (m)

49 (15) 0.16 (15) 98 (30)

74 (22.5) 0.16 (15) 147 (45)

98 (30) 0.16 (15) 196 (60)

123 (37.5) 0.16 (15) 245 (75)

ADDITIONAL

CHARGE

oz./ft. (g/m)

NOTE: Additional Refrigerant Calculation Sum Total Liquid Pipe
ft. (m) Additional Charge Required After ft. (m.) x Additional
Charge oz./ft. (g/m) 0.16 (15).

NOTE: If the calculation results in a negative number, no
additional refrigerant is required.

DRAIN CONNECTIONS

Install drains that meet the local sanitation codes. If adequate
gravity drainage cannot be provided, a field installed condensate
pump accessory should be used. Refer to the condensate pump
Installation Instructions for detailed specifications.

NOTE: Condensate Pump is built--in on Ducted and Cassette
indoor units.

NOTE: The high wall fan coils have an internal condensate
trap therefore an external trap is not required.

WIRING

The main power is supplied to the outdoor unit. Four field supplied
connecting cables from the outdoor unit to each of the indoor units
are: L1, L2, Ground, and S for communication between the
outdoor unit and each indoor unit.

CONTROL SYSTEM

The 38MGQ/40MAQ/40MB unit is equipped with a microproce ssor
control to operate the system and give optimum levels of comfort
and operating effi ciency. There are microproc essor boards and
therm i stors located in both the indoor and outdoor units. The
therm i stors monitor the syste m operat ion and control the operating
mode. To change the settings or the modes of operat i on, use the
factory supplied wirel ess remote control.

The 38MGQ/40MAQ/40MB unit has the following operating
modes:

S Fan Only
S Auto
S Heating (on Heat Pumps only)
S Cooling
S Dehumidification (Dry)

FAN ONLY -- In Fan Only mode, the system filters and circulates
the room air without changing the room air temperature.

AUTO -- In Auto mode, the system automatically selects one of the
following operating modes: COOLING, HEATING or FA N
ONLY based on the difference between the room temperature and
the set point temperature.

HEATING -- I n t h e HEATING mode, the system heats and filters
room air.

COOLING -- W h e n i n COOLING mode, the fan runs all the time
and the system cools, dries and filters room air.

DEHUMIDIFICATION (DRY) -- In Dehumidification (Dry)
mode, the system dries, filters and slightly cools room temperature.
This mode does not take place of a dehumidifier.

In addition to the above modes that are selected by using the
remote control, the unit can run in emergency mode by using the
manual button. This mode is used when the remote is misplaced or
the batteries in the remote have died. In this mode, the unit runs in
AUTO mode with a predetermined set point (76_F/24.4_C).

21

WIRELESS REMOTE CONTROL

1. A wireless remote control is supplied for system operation.

2. Each battery--operated wireless remote control can be used
to control more than one unit.

3. The wireless remote control has a range of 25 ft. (7.6 m).

Fig. 16 – Wireless Remote Control

WIRED REMOTE CONTROL (STANDARD
ON DUCTED UNITS)

1. Optional wired remote controller used for system operation
of all high-- wall, cassette and floor console units.

2. Kit includes a wired remote controller and a connecting
cable.

3. Connect with wire terminal between remote controller and
indoor unit.

4. Display in _For_C and temperature increments every 1_F
or every 1_C.

Fig. 17 – Wired Remote Co ntrol

SEQUENCE OF OPERATION

NOTE: Simultaneous heating and cooling is not allowed.

At start--up, the first indoor unit to call for operation (heating or
cooling) will control from the preset position, the mode of
operation for the rest of the indoor units connected to the same
outdoor unit. If the other units conflict in mode with the first unit
an error message appears on those units.

When a unit is set to COOL, HEAT or the DRY mode, the
electronic expansion valve is first initialized (closed) and then is
opened to a preset position.

Superheat heating for each fan coil (the ones that are energized) is
monitored and the position of the electronic expansion valve is
adjusted to ensure that each fan coil gets the appropriate amount of
refrigerant to maintain the requir ed superhe at. After the set point is
satisfied and the fan coil shuts off, the electronic expansion valve stays
open for a spec i fied time to ensure the system pressur es equali ze.

When the system is set for COOL, HEAT or DRY mode, the
compressor speed is varied by comparing the indoor air
temperature with the set point and continuously adjusting the
compressor speed (to keep the compressor running as long as
possible) in an effort to maintain the greatest comfort possible.

The indoor fan can run in either the MANUAL or AUTO mode.
When the fan is runs in the AUTO mode, the speed is determined
by comparing the room temperature to the set point.

In the COOLING mode, when the set point is satisfied, the fan
continues to run. In HEATING mode, when the set point is
satisfied, the fan speed is reduced and then runs continuously until
the coil temperature drops to a point cold air is blown on the
occupants in the space, at which time the indoor fan is
de--energized.

When the unit goes through the defrost cycle, the indoor fans are
de--energized and the refrigerant is circulated through all the fan
coils (even if they were off or on standby before the defrost cycle)
to maximize the heat transfer surface area available for defrost
operation.

22

AIR FLOW DATA

HIGH WALL

SYSTEM SIZE 9 12 18 24

Turb o 380 380 680 870

Indoor (CFM)

SYSTEM SIZE 9 12 18

Indoor (CFM)

SYSTEM SIZE 9 12 18 24

Indoor (CFM)

SYSTEM SIZE 9 12

Indoor (CFM)

SYSTEM SIZE 18 27 36 48

Outdoor (CFM) 1390 2130 2130 3500

High 360 360 650 780

Medium 290 300 450 620

Low 210 210 310 520

CASSETTE

High 380 400 420

Medium 320 340 350

Low 260 280 290

DUCTED

High 380 380 480 810

Medium 340 340 440 650

Low 290 290 400 590

FLOOR CONSOLE

High 280 280

Medium 250 250

Low 220 220

OUTDOOR MULTI---ZONE

SOUND PRESSURE

HIGH WALL

SYSTEM SIZE 9 12 18 24

Cooling operation Indoor Sound Pressure dBa (L/M/H) 42/34/27 42/34/27 46.5/40/33 50/45/39
Heating operation Indoor Sound Pressure dBa (L/M/H) 40/33/26 41/34/27 45/39/32 47/44/38

CASSETTE

SYSTEM SIZE 9 12 18

Cooling operation Indoor Sound Pressure dBa (L/M/H) 34/39/44 36/39/42 46/48/50
Heating operation Indoor Sound Pressure dBa (L/M/H) 31/37/42 36/39/42 46/47/49

DUCTED

SYSTEM SIZE 9 12 18 24

Cooling operation Indoor Sound Pressure dBa (L/M/H) 30/33/36 30/34/38 34/37/38 43/45/48
Heating operation Indoor Sound Pressure dBa (L/M/H) 30/33/36 30/34/38 34/37/39 44/45/48

FLOOR CONSOLE

SYSTEM SIZE 9 12

Cooling operation Indoor Sound Pressure dBa (L/M/H) 37/38/41 34/41/45
Heating operation Indoor Sound Pressure dBa (L/M/H) 37/38/41 34/41/45

OUTDOOR MULTI---ZONE

SYSTEM SIZE 18 27 36 48

Sound pressure level dBa 60 63 63 64

23

ELECTRICAL DATA

HIGH WALL

UNIT SIZE

9
12 0.07 0.027 20
18 0.17 0.077 58
24 0.23 0.08 60
30 0.23 0.08 60

UNIT SIZE

9
12 1.03 0.073 55
18 0.83 0.12 90
24 0.83 0.12 90
36 1.263 0.2 150
48 2.23 0.32 240

UNIT SIZE

9
12 0.146 0.061 46
18 0.146 0.061 46

SYSTEM VOLTAGE OPERATING VOLTAGE INDOOR FAN

VOLT/PHASE/HZ MAX / MIN V --- P H --- H Z FLA HP W

0.07 0.027 20

208--- 230/1/60 253 / 187 208 ---230/1/60

DUCTED
SYSTEM VOLTAGE OPERATING VOLTAGE INDOOR FAN
VOLT/PHASE/HZ MAX / MIN FLA HP W

1.03 0.073 55

208--- 230/1/60 253 / 187

CASSETTE

SYSTEM VOLTAGE OPERATING VOLTAGE INDOOR FAN

VOLT/PHASE/HZ MAX / MIN V --- P H --- H Z FLA HP W

0.146 0.061 46

208--- 230/1/60 253 / 187 208 ---230/1/60

FLOOR CONSOLE

UNIT SIZE

9

12 0.21 0.027 20

UNIT SIZE

18
27 8.85 3 0.16 120 19 25
36 13.4 3 0.16 120 27 40
48 13.5 3 0.11 85 29 50

SYSTEM VOLTAGE OPERATING VOLTAGE INDOOR FAN

VOLT/PHASE/HZ MAX / MIN V --- P H --- H Z FLA HP W

208--- 230/1/60 253 / 187 208 ---230/1/60

MULTI---ZONE OUTDOOR UNIT

SYSTEM VOLTAGE

VOLT/PHASE/HZ MAX / MIN RLA FLA HP W

208--- 230/1/60 253 / 187

OPERATING

VOLTAGE

COMPRESSOR OUTDOOR FAN MCA

9.7 3 0.16 50 15 20

0.21 0.027 20

MAX STATIC PRESSURE -- DUCTED

SYSTEM SIZE 9 12 18 24

Max static pressure

Pa 45 45 70 100

In.WG 0.18 0.18 0.28 0.40

MAX

FUSE/CB

AMP

24

FAN PERFORMANCES (DUCTED UNITS)

Static pressure curve (static pressure deducted)

SIZE 0 1 2 3 4

9&12 0.02 (5) 0.04 (10) 0.08 (20) 0.12 (30) 0.16 (40) 0 ---0.18 (0 ---45)

18 0.04 (10) 0.10 (25) 0.14 (35) 0.18 (45) 0.22 (55) 0---0.28(0 ---70)

24 0.04 (10) 0.10 (25) 0.16 (40) 0.22 (55) 0.28 (70) 0---0.40 (0 --- 100)

Factory Setting √

SYSTEM SIZE 9K 12K 18K 24K

High

Medium

Low

CFM 335 370 520 820

CMH 570 629 884 1394

CFM 290 320 430 620

CMH 493 544 731 1054

CFM 240 260 360 520

CMH 408 442 612 884

Static Pressure

Range In. WG (Pa)

25

FAN PERFORMANCES DUCTED INDOOR UNIT SIZE 9K

26

FAN PERFORMANCES DUCTED INDOOR UNIT SIZE 12K

27

FAN PERFORMANCES DUCTED INDOOR UNIT SIZE 18K

28

FAN PERFORMANCES DUCTED INDOOR UNIT SIZE 24K

29

WIRING DIAGRAM

Fig. 20 – Wiring Diagrams 18k

OUTDOOR UNIT CONTROL BOARD SIZE 18

CODE PAR T N AME

CN18/CN19/CN22 Output:Pin5&6(12V) Pin1---Pin4:Pulse waveform,(0---12V)
CN17 Input:Pin3~ 4 (5V) Pin2(0V),Pin1,Pin5(0--- 5V)
CN7 Input:Pin1 (0 ---5V) Pin2(5V)
CN1~ CN2，CN5~C
N6
P1~ P2 Output: Connection of the high voltage
CN3~ CN4 Input:230VAC High voltage
CN14 Input：Pin1,Pin3(0V)，Pin2,Pin4（0~ 5V）
P --- 1 , P --- 2 C onnection to the earth
CN20,CN23,CN25 Output: Pin1（Connection of the high voltage），Pin2~ Pin3（230VAC High voltage）
CN15 Input: Pin1,Pin3,Pin5(5V)，Pin2,Pin4,Pin6（0~ 5V）
CN37 Output: Pulse(0 ---320VDC) for DC FAN
CN38 Input: Pin1~Pin2（17VDC）
N --- O U T ~ L --- O U T Output: 230VAC High voltage
CN21 input: Pin1~ Pin3（12VDC），Pin2~Pin3（5VDC），Pin4~ Pin3（0~ 5VDC），Pin5~ Pin3（0~ 5VDC）
CN39 Input: 270~ 370VDC High voltage

OUTDOOR UNIT IPM BOARD

CN4~ CN5 Output: 230VAC High voltage
CN2,CN3 Connect to Reactor, (270~ 370VDC)
CN6 Output: Pin1~ Pin2（17VDC）
CN1 Output: Pin1~ Pin3（12VDC），Pin2~ Pin3（5VDC），Pin4~ Pin3（0~5VDC），Pin5~Pin3（0~5VDC），
CN11~ CN12 Output: 270~ 370VDC High voltage
U~ V~ W Connect to compressor voltage among phases 0~ 200VAC

Output: CN1~ CN2，CN5~ CN6（230VAC High voltage）

30

WIRING DIAGRAMS (CONT)

Fig. 21 – Wiring Diagrams 27k

OUTDOOR UNIT CONTROL BOARD SIZE 27

CODE PAR T N AME

CN18/CN19/CN22 Output:Pin5&6(12V) Pin1---Pin4:Pulse waveform,(0---12V)
CN17 Input:Pin3~ 4 (5V) Pin2(0V),Pin1,Pin5(0--- 5V)
CN7 Input:Pin1 (0 ---5V) Pin2(5V)
CN1~ CN2，CN5~C
N6
P1~ P2 Output: Connection of the high voltage
CN3~ CN4 Input:230VAC High voltage
CN14 Input：Pin1,Pin3(0V)，Pin2,Pin4（0~ 5V）
P --- 1 , P --- 2 C onnection to the earth
CN20,CN23,CN25 Output: Pin1（Connection of the high voltage），Pin2~ Pin3（230VAC High voltage）
CN15 Input: Pin1,Pin3,Pin5(5V)，Pin2,Pin4,Pin6（0~ 5V）
CN37 Output: Pulse(0 ---320VDC) for DC FAN
CN38 Input: Pin1~Pin2（17VDC）
N --- O U T ~ L --- O U T Output: 230VAC High voltage
CN21 input: Pin1~ Pin3（12VDC），Pin2~Pin3（5VDC），Pin4~ Pin3（0~ 5VDC），Pin5~ Pin3（0~ 5VDC）
CN39 Input: 270~ 370VDC High voltage

OUTDOOR UNIT IPM BOARD

CN4~ CN5 Output: 230VAC High voltage
CN2,CN3 Connect to Reactor, (270~ 370VDC)
CN6 Output: Pin1~ Pin2（17VDC）
CN1 Output: Pin1~ Pin3（12VDC），Pin2~ Pin3（5VDC），Pin4~ Pin3（0~5VDC），Pin5~Pin3（0~5VDC），
CN11~ CN12 Output: 270~ 370VDC High voltage
U~ V~ W Connect to compressor voltage among phases 0~ 200VAC

Output: CN1~ CN2，CN5~ CN6（230VAC High voltage）

31

WIRING DIAGRAMS (CONT)

Fig. 22 – Wiring Diagram 36k

OUTDOOR UNIT CONTROL BOARD SIZE 36

CODE PART N AM E

CN17/CN18/CN19/CN20/CN21 Output:Pin5&6(12V) Pin1---Pin4:Pulse waveform,(0---12V)
CN8 Input:Pin3~4 (5V) Pin2(0V),Pin1,Pin5(0 --- 5V)
CN33 Input:Pin1 (0---5V) Pin2(5V)
CN4~ CN40，CN10~CN44 Output: CN4~ CN40，CN10~ CN44（230VAC High voltage）
CN3~ CN22 Output: High voltage for 4---way control
CN1~ CN2 Input:230VAC High voltage
CN9 Input：Pin1,Pin3(0V)，Pin2,Pin4（0~5V）
P --- 1 Connection to the earth
CN27,CN28,CN29,CN30 Output: Pin1（Connection of the high voltage），Pin2~ Pi n3（230VAC High voltage）
CN13 Input: Pin1,Pin3,Pin5(5V)，Pin2,Pin4,Pin6（0~5V）
CN12 Output: Pulse(0--- 200VAC) for DC FAN
CN11 Output: Pulse(0--- 200VAC) for DC FAN
CN5~ CN6 Output: 230VAC High voltage

CN7

CN4~ CN5 Output: 230VAC High voltage
CN2,CN3 Connect to Reactor, (270~ 370VDC)
CN6 Output: Pin1 ~Pin2（17VDC）
CN1 Output: Pin1 ~Pin3（12VDC），Pin2~Pin3（5VDC），Pin4~ Pin3（0~ 5VDC），Pin5~ Pin3（0~ 5VDC），
CN11~ CN12 Output: 270~ 370VDC High voltage
U~ V~W Connect to compressor voltage among phases 0~ 200VAC

input: Pin1~Pin3（12VDC），Pin2~ Pin3（5VDC），Pin4~ Pin3（0~5VDC ），Pin5~ Pin3（0~ 5VDC），Pin6~Pin3（0~ 5VDC）,
Pin7~ Pin3（0~5VDC）

OUTDOOR UNIT IPM BOARD

32

WIRING DIAGRAMS (CONT)

Fig. 23 – Wiring Diagrams 48K

OUTDOOR UNIT CONTROL BOARD SIZE 48

CODE PAR T NAME

CN1,CN3、P --- 1 Power input: 230V AC
CN2,CN4 Output: Power output for DRIVER BOARD (230V AC)
CN5 Input: Communication Main board and IPM Board ,Pin1(5V DC )
CN6 Input: DC FAN motor1 and DC FAN motor2 control, (Pin7 5V DC)
CN8,CN9 Input: Temperature sensor(5V DC)
CN10 Input: Pressure test (5V DC)
CN13 Input: Indoor pipe Temperature sensor,Pin1&Pin3&Pin5&Pin7&Pin9&Pin11 (5V DC)
CN15,CN23,CN26, CN30,CN33 Output: PMV control，Pin5(12V DC),Pin6(12V DC)
CN17,CN18 Output: High voltage for 4 --- way(SV) control (230V AC)
CN19,CN20 Output: High voltage for HEAT_D control (230V AC)
CN13,CN16,CN21, CN29,CN37 Out put: Communication to indoor unit,Pin2 and Pin3 (230V AC ),Pin1 (S, connection to high voltage)
CN24,CN25 Output: High voltage for HEAT_Y control(230V AC)
CN27、CN32、CN34，

CN28、CN31、CN36
CN39 Output: L2 for AC FAN、SV and HEAT ,High voltage (AC)
P --- 5 , P --- 6 Connection to the earth

UVW Output: Pulse(0-380VDC) for COMPRESSOR
CN3
CN6 ,CN8 Input: Power input for DRIVER BOARD (200-320V DC )

CN7,CN11 Output: DC FAN motor1 and DC FAN motor2 control (Pin1 310V or 380V DC)
CN9 Output: Communication Main board and IPM Board Pin7(5V DC )
CN55 Output: Communication IPM Board and Main board Pin1(12V DC )
CN14、CN15-- CN39, Output: High DC voltage (310V or 380V DC)

Output: Power output for AC FAN motor1 and AC FAN motor2 (230V AC)

OUTDOOR UNIT IPM BOARD

Output: Connect PFC Inductance, high DC voltage

33

Size Range:1 1/2, 2 1/4, 3 and 4 Ton Nominal Cooling and Heating Capacity

PART1–GENERAL

1.01 System Description

A. Outdoor air--cooled split system compressor sections suitable

for on-- the--ground, rooftop, wall hung or balcony mounting.
Units consist of a variable speed rotary compressor, an
air--cooled coil, propeller-- type draw--through outdoor fan,
reversing valve, accumulator, electronic expansion valves,
multiple service valves, and controls that allows multiple
indoor units to be connected to the outdoor unit. Units
discharge horizontally as shown on the contract drawings.
Units function as the outdoor component of an air--to--air heat
pump system.

B. Units are designed to be used in a refrigeration circuit matched

to two, three, four, or five multi style heat pump fan coil units.

1.02 Agency Listings

A. Unit construction complies with ANSI/ASHRAE 15, latest

revision, and with NEC.
B. Units are evaluated in accordance with UL standard 1995.

C. Units are listed in CEC directory.

D. Unit cabinet is capable of withstanding 500-hour salt spray test

per Federal Test Standard no. 141 (method 6061).

E. Air-cooled condenser coils are leak tested at 550 psig.

1.03 Delivery, Storage, And Handling

Units are shipped in one piece and are stored and handled per the
manufacturer’s recommendations.

1.04 Warranty (For Inclusion By Specifying
Engineer)

PART 2 – PRODUCTS

2.01 Equipment

A. General:

Factory assembled, single piece, air-cooled outdoor unit. Contained
within the enclosure are the factory wiring, piping, controls, and
compressor.

B. Unit Ca binet:

1. The unit cabinet is constructed of galvanized steel,
bonderized and coated with baked-enamel finish on inside
and outside.

2. The unit access panel is removable with the minimal screws
and provides full access to the compressor, fan, and control
components.

3. The outdoor compartment is isolated and has an acoustic
lining to assure quiet operation.

C. Fans:

1. The outdoor fans are direct-drive propeller type, and
discharge air horizontally. The fan draws air through the
outdoor coil.

2. Outdoor fan motors are multi--speed, totally-enclosed,
single phase motors with permanently lubricated ball
bearings. The motor is protected by internal thermal
overload protection.

3. The shaft has an inherent corrosion resistance.

4. Outdoor fan openings are equipped with metal/mesh PVC
coated protection grille over fan.

GUIDE SPECIFICATIONS

HORIZONTAL DISCHARGE OUTDOOR UNITS

Carrier Model Number: 38MGQ

D. Compressor

1. The compressor is fully hermetic variable speed rotary type.

2. The compressor is inverter driven.

3. The compressor is equipped with an oil system, operating
oil charge, and motor.

4. The motor is suitable for operation in a refrigerant and oil
atmosphere.

5. The compressor assembly is installed on rubber vibration
isolators.

6. The inverter and compressor are protected against over
temperature and over current.

E. Outdoor Coil:

The coil is constructed of aluminum blue hydrophilic pre--coated
fins mechanically bonded to seamless copper tubes, which are
cleaned, dehydrated and sealed.

F. Refrigerant Components:

Refrigerant circuit components include multiple brass external
liquid line service valves with service gauge connection port,
multiple suction line service valves with a service gage connection
port, accumulator, reversing valve, electronic expansion valves.

G. Safeties:

Operating safeties are factory selected, assembled, and tested. The
minimum functions include the following:

1. Compressor discharge over temperature protection.

2. System low voltage protection.

3. Compressor overload protection.

4. Compressor over current protection.

5. IPM module protection.

H. Electrical Requirements:

1. Units shall operate on single-phase, 60 Hz power at
208/230 v.

2. The unit electrical power is a single point connection.

3. All power and control wiring must be installed per NEC
and all local electrical codes.

4. Units have multiple terminal blocks to connect to multiple
indoor units.

34

PART1–GENERAL

1.01 System Description

Indoor, wall-mounted, direct expansion fan coils are matched with
heat pump outdoor units.

1.02 Agency Listings

Unit is rated per AHRI Standards 210/240 and listed in the AHRI
directory as a matched system.

1.03 Delivery, Storage, And Handling

Units are shipped in one piece and are stored and handled per the
manufacturer’s recommendations.

1.04 Warranty (For Inclusion By Specifying
Engineer)

PART 2 – PRODUCTS

2.01 Equipment

A. General:

Indoor, direct-expansion, wall-mounted fan coil. The unit is
complete with cooling/heating coil, fan, fan motor, piping
connectors, electrical controls, microprocessor control system, and
integral temperature sensing. The unit is furnished with integral
wall mounting bracket and mounting hardware.

B. Unit Ca binet:

Cabinet discharge and inlet grilles shall be attractively styled,
high-impact polystyrene. The cabinet is fully insulated for
improved thermal / acoustic performance.

C. Fans:

1. The fan is tangential direct-drive blower type with air intake
at the top of the unit and discharge at the bottom front. An
automatic, motor-driven vertical air sweep is provided
standard.

2. The air sweep operation is useable selectable. The vertical
sweep may be adjusted (using the remote control) and the
horizontal air direction maybe be set manually.

D. Coil:

The coil is a copper tube with aluminum fins and galvanized steel
tube sheets. Fins are bonded to the tubes by mechanical expansion
and blue hydrophilic pre--coated for enhanced wet-- ability. A drip
pan under the coil has a drain connection for a hose attachment to
remove condensate. The condensate pan has an internal trap.

E. Motors:

Motors are totally enclosed, permanently lubricated ball bearing
with inherent overload protection. The fan motors are 3 --speed.

F. C on trol s:

The controls consist of a microprocessor--based control system
which controls space temperature, determines optimum fan speed,
and runs self diagnostics. The temperature control range is 62_Fto
86_F(17_Cto30_C) in increments of 1_For1_C, and has 46_F
Heating Mode (Heating Setback). The wireless remote controller
can act as the temperature sensing location for room comfort.

GUIDE SPECIFICATIONS

INDOOR WALL--MOUNTED DUCTLESS UNITS

Size Range: 3/4 to 2 Ton Nominal Cooling and Heating Capacity

Carrier Model Number: 40MAQ

The unit has the following functions as a minimum:

S An automatic restart after power failure at the same

operating conditions as at failure.

S A timer function to provide a minimum 24 --hour timer

cycle for system Auto Start/Stop.

S Temperature-- sensing controls senses the return air

temperature.

S Indoor coil freeze protection.
S Wireless infrared remote control to enter set points and

operating conditions.

S Automatic air sweep control to provide on or off

activation of air sweep louvers.

S Dehumidification mode provides increased latent

removal capability by modulating system operation and
set point temperature.

S Fan--only operation to provide room air circulation when

no cooling is required.

S Diagnostics provide continuous checks of unit operation

and warn of possible malfunctions. Error messages
appear on the unit.

S The fan speed control is user--selectable: turbo, high,

medium, low, or microprocessor controlled automatic
operation during all operating modes.

S Automatic heating--to--cooling changeover in heat pump

mode. Control includes deadband to prevent rapid mode
cycling between heating and cooling.

S Indoor coil high temperature protection is provided to

detect excessive indoor discharge temperature when the
unit is in heat pump mode.

G. Filters:

Units have a filter track with factory-supplied cleanable filters.

H. Electrical Requirements:

The indoor fan motor operates on 208--230V. Power is supplied
from the outdoor unit.

I. Operating Characteristics:

The system has a minimum SEER (Seasonal Energy Efficiency
Ratio) and HSPF at AHRI conditions, as listed on the
specifications table.

J. Refrigerant Lines:

All units should have refrigerant lines that can be oriented to
connect from the left, right or back of unit. Both refrigerant lines
need to be insulated.

K. Special Features (Field Installed):

1. Condensate Pump:
The condensate pump removes condensate from the drain
pan when gravity drainage cannot be used. The pump is
designed for quiet operation. The pump consists of two
parts: an internal reservoir/sensor assembly, and a remote
sound--shielded pump assembly. A liquid level sensor in the
reservoir stops the cooling operation if the liquid level in the
reservoir is unacceptable.

35

INDOOR IN--CEILING CASSETTE DUCTLESS UNITS

PART 1 -- GENERAL

1.01 System Description

Indoor, in--ceiling cassette direct--expansion fan coils are matched
with heat pump outdoor unit .

1.02 Agency Listings

The unit is rated per AHRI Standards 210/240 and listed in the
AHRI directory as a matched system.

1.03 Delivery, Storage, And Handling

The units are stored and handled per unit manufacturer’s
recommendations.

1.04 Warranty (For Inclusion By Specifying
Engineer)

PART 2 -- PRODUCTS

2.01 Equipment
General:

Indoor, direct--expansion, in--ceiling cassette fan coil. The unit is
complete with cooling/heating coil, fan, fan motor, piping
connectors, electrical controls, microprocessor control system, and
integral temperature sensing.

Unit Cabinet:

The cabinet is constructed of zinc--coated steel. Fully insulated
discharge and inlet grilles is attractively styled, high--impact
polystyrene. The grille has hinges and can be opened to obtain
access to the cleanable filters, indoor fan motor and control box.

Fans:

The fans shall be centrifugal direct--drive blower type

S

with an air intake in the center of the unit and discharge
at the perimeter. Automatic, motor--driven vertical air
sweep is provided standard. Automatic motor--driven
louvers are provided standard and are adjustable for 2, 3
or 4--way discharge.

S The air sweep operation is user selectable.

Coil:

The coil is a copper tube with aluminum fins and galvanized steel
tube sheets. Fins are bonded to the tubes by mechanical expansion
and blue hydrophilic pre-- coated for enhanced wet--ability. A drip
pan under the coil has a factory installed condensate pump and a
drain connection for hose attachment to remove condensate.

Motors:

Motors are open drip--proof, permanently lubricated ball bearing
with inherent overload protection. Fan motors are 4--speed.

Controls:

Controls consist of a microprocessor-- based control system which
controls space temperature, determines optimum fan speed, and
runs self diagnostics. The temperature control range is 62_Fto
86_F(17_Cto30_C) in increments of 1_For1_C, and has a 46_F
Heating Mode (Heating Setback). The wireless remote controller,
has the ability to act as the temperature sensing location for room
comfort.

GUIDE SPECIFICATIONS

Size Range: 3/4 to 1 1/2 Ton Nominal Cooling and Heating Capacity

Carrier Model Number: 40MB*C

The unit has the following functions as a minimum:

S An automatic restart after power failures at the same

operating conditions as at the failure.

S A timer function which provides a minimum 24-- hour

timer cycle for system Auto Start/Stop.

S Temperature-- sensing controls that sense return air

temperature.

S Indoor coil freeze protection.
S Wireless infrared remote control to enter set points and

operating conditions.

S Automatic air sweep control to provide on or off

activation of air sweep louvers.

S Dehumidification mode provides increased latent

removal capability by modulating system operation and
set point temperature.

S Fan--only operation to provide room air circulation when

no cooling is required.

S Diagnostics that provides continuous checks of unit

operation and warn of possible malfunctions. Error
messages appear on the unit.

S Fan speed control is user--selectable: high, medium, low,

or microprocessor controlled automatic operation during
all operating modes.

S Automatic heating--to--cooling changeover in the heat

pump mode. Control includes deadband to prevent rapid
mode cycling between heating and cooling.

S Indoor coil high temperature protection is provided to

detect excessive indoor discharge temperature when the
unit is in the heat pump mode.

Filters:

Unit has a filter track with factory--supplied cleanable filters.

Electrical

The indoor fan motor operates on 208--230V. Power is supplied
from the outdoor unit.

Operating

The system has a minimum SEER (Seasonal Energy Efficiency
Ratio) and HSPF at AHRI conditions, as listed on the
specifications table.

Refrigerant

All units should have refrigerant lines that can be oriented to
connect from the left, right or back of unit. Both refrigerant lines
need to be insulated.

Requirements:

Characteristics:

Lines:

36

PART 1 -- GENERAL

1.01 System Description

Indoor, ceiling--mounted, ducted style direct--expansion fan coils
are matched with a heat pump outdoor unit.

1.02 Agency Listings

Unit are rated per AHRI Standards 210/240 and listed in the AHRI
directory as a matched system.

1.03 Delivery, Storage, And Handling

Units are stored and handled per unit the manufacturer’s
recommendations.

1.04 Warranty (For Inclusion By Specifying
Engineer)

PART 2 -- PRODUCTS

2.01 Equipment
General:

A.

Indoor, direct--expansion, ceiling--mounted fan coil. The unit is
complete with a cooling/heating coil, fan, fan motor, piping
connectors, electrical controls, microprocessor control system, and
integral temperature sensing.

B, Unit Cabinet:

Unit cabinet is constructed of galvanized steel. Cabinet is fully
insulated for improved thermal and acoustic performance.

C. Fans:

Fans are the tangential direct--drive blower type with an air intake
at the rear or bottom of the unit and discharge at the front.

D. Coil:

The coil is a copper tube with aluminum fins and galvanized steel
tube sheets. Fins are bonded to the tubes by mechanical expansion
and blue hydrophilic pre-- coated for enhanced wet--ability. A drip
pan under the coil has a factory installed condensate pump and
drain connection for hose attachment to remove condensate.

E. Motors:

The motors are open drip--proof, permanently lubricated ball
bearing with inherent overload protection. Fan motors are 3--speed.

F. Controls:

Controls consist of a microprocessor--based control system which
the control space temperature, determines the optimum fan speed,
and runs self diagnostics. The temperature control range is from
62_Fto86_F(17_Cto30_C) in increments of 1_For1_C, and
has 46_F Heating Mode (Heating Setback). The wireless remote
controller can act as the temperature sensing location for room
comfort.

GUIDE SPECIFICATIONS

INDOOR DUCTED STYLE DUCTLESS UNITS

Size Range: 3/4 to 2 Ton Nominal Cooling and Heating Capacity

Carrier Model Number: 40MB*D

The unit shall have the following functions as a minimum:

1. An automatic restart after power failure at the same
operating conditions as at failure.

2. A timer function that provides a minimum 24 --hour timer
cycle for system Auto Start/Stop.

3. Temperature--sensing controls that senses the return air
temperature.

4. Indoor coil freeze protection.

5. Wireless infrared remote control to enter set points and
operating conditions.

6. De--humidification mode that provides increased latent
removal capability by modulating the system operation and
set point temperature.

7. Fan--only operation to provide room air circulation when no
cooling is required.

8. Diagnostics provide continuous checks of unit operation
and warns of possible malfunctions. Error messages appear
on the unit.

9. The fan speed control is user--selectable: high, medium,
low, or microprocessor controlled automatic operation
during all operating modes.

10. Automatic heating--to--cooling changeover in the heat pump
mode. The control includes deadband to prevent rapid mode
cycling between heating and cooling.

11. Indoor coil high temperature protection is provided to detect
excessive indoor discharge temperature when the unit is in
heat pump mode.

G. Electrical Requirements:

Indoor fan motor to operate on 208-- 230V. Power is supplied from
the outdoor unit.

H. Operating Characteristics:

The system has a minimum SEER (Seasonal Energy Efficiency
Ratio) and HSPF at AHRI conditions, as listed on the
specifications table.

I. Refrigerant Lines:

All units have refrigerant lines that can be oriented to connect from
the side of the unit. Both refrigerant lines need to be insulated.

37

PART 1 -- GENERAL

1.01 System Description

Indoor, wall--mounted, direct--expansion fan coils are matched with
a heat pump outdoor unit.

1.02 Agency Listings

Unit is rated per AHRI Standards 210/240 and listed in the AHRI
directory as a matched system.

1.03 Delivery, Storage, And Handling

Units are stored and handled per unit the manufacturer’s
recommendations.

1.04 Warranty (For Inclusion By Specifying
Engineer)

PART 2 -- PRODUCTS

2.01 Equipment

A. General:

Indoor, direct--expansion, floor--mounted fan coil. Unit is complete
with cooling/heating coil, fan, fan motor, piping connectors,
electrical controls, microprocessor control system, and integral
temperature sensing. Unit is furnished with integral mounting
bracket and mounting hardware.

B. Unit Cabinet:

Cabinet discharge and inlet grilles is attractively styled,
high--impact polystyrene. The cabinet is fully insulated for
improved thermal and acoustic performance.

CFans:

The fan is a tangential direct--drive blower type with an air intake in
the center of the unit and a discharge at the top and bottom front.
Automat ic, motor--driven vertica l air swee p is provided standard.

Air sweep operation is user selectable. The vertical sweep may be
adjusted (using the remote control) and the horizontal air direction
may be set manually.

D. Coil:

Coil are copper tube with aluminum fins and galvanized steel tube
sheets. Fins are bonded to the tubes by mechanical expansion and
blue hydrophilic pre--coated for enhanced wet-- ability. A drip pan
under the coil has a drain connection for hose attachment to
remove condensate. The condensate pan has a internal trap.

E. Motors:

The motors are open drip--proof, permanently lubricated ball
bearing with inherent overload protection. The fan motors are
3--speed.

F Controls:

Controls consists of a microprocessor--based control system which
control the space temperature, determine optimum fan speed, and
run self diagnostics. The temperature control range is from 62_Fto
86_F(17_Cto30_C) in increments of 1_For1_C, and have 46_F
Heating Mode (Heating Setback). The wireless remote controller
has the ability to act as the temperature sensing location for room
comfort.

GUIDE SPECIFICATIONS

INDOOR FLOOR CONSOLE DUCTLESS UNITS

Size Range: 3/4 to 1 Ton Nominal Cooling and Heating Capacity

Carrier Model Number: 40MB*F

The unit shall have the following functions as a minimum:

1. An automatic restart after a power failure at the same
operating conditions as at failure.

2. A timer function to provide a minimum 24--hour timer
cycle for the system Auto Start/Stop.

3. Temperature-- sensing controls that sense the return air
temperature.

4. Indoor coil freeze protection.

5. Wireless infrared remote control to enter set points and
operating conditions.

6. Automatic air sweep control to provide on or off activation
of the air sweep louvers.

7. De--humidification mode provides increased latent removal
capability by modulating the system operation and set point
temperature.

8. Fan--only operation to provide 6room air circulation when
cooling is not required.

9. Diagnostics provide continuous checks of unit operation
and warns of possible malfunctions. Error messages are
displayed at the unit.

10. Fan speed control is user--selectable: high, medium, low, or
microprocessor controlled automatic operation during all
operating modes.

11. Automatic heating--to--cooling changeover in heat pump
mode. Control includes dead band to prevent rapid mode
cycling between heating and cooling.

12. The indoor coil high temperature protection is provided to
detect excessive indoor discharge temperature when the unit
is in heat pump mode.

G. Filters: The unit has a filter track with factory--supplied
cleanable filters.

H. Electrical Requirements: The indoor fan motor operates on
208-- 230V as specified. Power is supplied from the outdoor unit.
I. Operating Characteristics: The system has a minimum SEER
(Seasonal Energy Efficiency Ratio) and HSPF at AHRI conditions,
as listed on the specifications table.

J. Refrigerant Lines: All units has refrigerant lines that can be
oriented to connect from the left, right or back of unit. Both
refrigerant lines need to be insulated.

K. Special Features (Field Installed):
Condensate Pump: The condensate pump removes condensate

from the drain pan when gravity drainage cannot be used. The
pump is designed for quiet operation. The pump consists of two
parts: an internal reservoir/sensor assembly, and a remote
sound--shielded pump assembly. A liquid level sensor in the
reservoir stops the cooling operation if the liquid level in the
reservoir is unacceptable.

Copyright 2016 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231

Manufacturer r eserves the right to change, at any ti me, specifications and designs without notice and without obligations.

Edition Date: 01/16

38

Catalog No.38MGQ---03PD

Replaces:38MG--- 02PD