Bryant 619FNQ, 619FNF User Manual

installation, start-up and

619FNF

service instructions

IN-CEILING CASSETTE
FAN COIL UNITS

CONTENTS

Page

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . 1

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19

I. Step 1 — Complete Pre-Installation Checks . . . . . . 2

II. Step 2 — Locating and Mounting the Unit. . . . . . . . 6

III. Step 3 — Locating and Mounting the Room

Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

IV. Step 4 — Complete Refrigerant Piping

Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

V. Step 5 — Make Electrical Connections . . . . . . . . . 11

INSTALLATION OPTIONS . . . . . . . . . . . . . . . . . . . . . . . .19-22

I. Fresh Air Intake . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

II. Conditioned Air Supply to Adjacent Room. . . . . . 19

III. Room Controller Configuration Setup . . . . . . . . . . 21

IV. Louver Mode Selection . . . . . . . . . . . . . . . . . . . . . . 21

V. Main Board Configuration. . . . . . . . . . . . . . . . . . . . 21

START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22,23

SERVICE AND MAINTENANCE. . . . . . . . . . . . . . . . . . . . . . 23

TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . . . .23,24

SAFETY CONSIDERATIONS

Installing and servicing air-conditioning equipment can be
hazardous due to system pressure and electrical components.
Only trained and qualified service personnel should install or
service air-conditioning equipment.

Untrained personnel can perform basic maintenance, such as
cleaning and replacing filters. All other operations should be
performed by trained service personnel. When working on air
conditioning equipment, observe safety precautions in litera­ture, tags, and labels attached to unit.

Follow all safety codes. Wear safety glasses and work gloves.
Use quenching cloth for brazing operations. Have fire extin­guisher available. Read these instructions thoroughly. Con­sult local building codes and the National Electrical Code
(NEC) for special installation requirements.

619FNQ

Sizes 018-03036

Cancels: New II 619F-18-1

4/1/06

GENERAL

CAUTION: This system uses Puron® refrigerant

(R-410A), which has higher pressures than R-22 and
other refrigerants. No other refrigerant may be used in
this system. All equipment must be designed to handle
R-410A refrigerant. If unsure about equipment, consult
the equipment manufacturer.

CAUTION: Do not operate the unit without a filter
or with the grille removed. Damage to the unit or per­sonal injury may result.

These instructions cover the installation, start-up and service
of in-ceiling cassette fan coil units. See Fig. 1.

The following accessories can be used with 619FNF, FNQ
units. See the price pages for part numbers and additional
information for the following accessories:

• photocatalytic and electrostatic filter with mount

• air supply outlet obstruction kit

• wired room controller

• room controller wiring kit for multiple units

• zone manager kit for multiple units

• zone manager

• infrared remote kit

WAR NING : Before installing or servicing system,
always turn off main power to system. There may be
more than one disconnect switch. Turn off accessory
heater power if applicable. Electrical shock can cause
serious personal injury.

Fig. 1 — 619FNF, FNQ Unit

INSTALLATION

I. STEP 1 — COMPLETE PRE-INSTALLATION CHECKS

A. Unpack Unit (See Fig. 1)

Move the unit to final location. The grille panel and the
remote control are packed separately for maximum protec­tion. Remove unit from carton, being careful not to lift the
unit by the condensate drain discharge pipe or by the refrig­erant connections. Handle by the four corners of the unit.
See Table 1 for field-supplied installation materials required
for installation.

B. Inspect Shipment

File a claim with the shipping company if shipment is dam-

C. Consider System Requirements

Consult local building codes and NEC for special installation
requirements. Use only designated indoor units with outdoor
units. See Tables 2-4B.

See Fig. 2 for unit dimensions. Allow sufficient space for air­flow clearance, wiring, refrigerant piping, and servicing
units.

Avoid mounting the unit in areas that are:

• exposed to direct sunlight

• too close to heat sources

• damp or in areas exposed to water

• located in areas that could obstruct air circulation, such
as near curtains or furniture

aged or incomplete. Check the unit nameplates to ensure
units match job requirements.

Table 1 — Field-Supplied Installation Materials

NAME SPECIFICATIONS

Connection Pipe

Wall Sleeve —
Wall Cap —
Finishing Tape PVC Film
Fastening Tape —
Tube Insulation —
Drain Hose 1 in. ID
Sealer Putty —

Outdoor Power Supply Cable

Control Wire Electrical Connecting Cable
Between Indoor and Outdoor Unit

Wire Nuts —
Conduit —

LEGEND

AWG — American Wire Gage
NEC — National Electrical Code

619FNF018,024/FNQ01824:
619FNF, FNQ03036: 3/4 in. (Mixed Phase)/3/8 in. (Liquid)

619FNF018-03036: AWG 14
619FNQ01824-03036: AWG 12

Cable Type: AWG 22 synthetic rubber insulation with
Neoprene coating, according to NEC codes.

Table 2 — Matching Indoor Units to Outdoor Units*

SYSTEM

TYPE

Cooling Only

Cooling with

Electric Heat

Heat Pump

*All units use R-410A refrigerant only.

SYSTEM SIZE

018 538ENF018000 619FNF018000 619FN9005
024 538ENF024000 619FNF024000 619FN9006
030 538ENF030000 619FNF030360 619FN9006
036 538ENF036000 619FNF030360 619FN9006
018 538ENF018000 619FNQ018240 619FN9006
024 538ENF024000 619FNQ018240 619FN9006
030 538ENF030000 619FNQ030360 619FN9006
036 538ENF036000 619FNQ030360 619FN9006
018 538QNF018000 619FNQ018240 619FN9006
024 538QNF024000 619FNQ018240 619FN9006
030 538QNF030000 619FNQ030360 619FN9006
036 538QNF036000 619FNQ030360 619FN9006

Table 3 — AccuRator* Control Sizes and Refrigerant Charge Requirements

SYSTEM

TYPE

Cooling Only

Cooling with

Electric Heat

Heat Pump

*AccuRator controls are for outdoor units. See the outdoor installation instructions for more information.

†The outdoor unit is either fully charged or under charged from the factory.

SYSTEM

SIZE

018 0.049 — B 4.8 0.0
024 0.057 — B 5.3 1.2
030 0.061 — B 5.0 3.0
036 0.074 — B 7.0 2.3
018 0.049 — B 4.8 0.0
024 0.057 — B 5.3 1.2
030 0.061 — B 5.0 3.0
036 0.074 — B 7.0 2.3
018 0.051 0.046 B 5.5 0.0
024 0.055 0.053 B 6.9 0.0
030 0.063 0.055 B 10.7 1.8
036 0.07 0.063 B 10.5 0.0

COOLING

ACCURATOR

OUTDOOR

UNIT

HEATING

ACCURATOR

ACCURATOR

TYPE

5

/8 in. (Mixed Phase)/3/8 in. (Liquid)

INDOOR UNIT

MODEL NUMBER

FAC TORY

CHARGE† (lb)

INDOOR UNIT

GRILLE ITEM NUMBER

ADDITIONAL FIELD

CHARGE REQUIRED† (lb)

—2—

)892("4/3-11

)522("46/55-8

)082("11

Supply air

1? 10-5/8??(575)

051( "23/92-5

Ø)

Return air

619FNF018

)021("4/3-4

Supply air

1

-

3/16

(30)

1' -10-5/8"(575)

3/8"(9)

2"(52)

)201("4

Ø 2-3/14" (70)

)351

(
"6

)34("6

1

/11-1

)85

1

("23/7-7- '0

2'-4-11/32"(720)

1 -5/16"(49)

2-13/64"(56)

)342("61/9- 9

"

)

6

5

1/5

3
1

- 5
(

1'-9-21/32"(550)

)515("23/98-'1

"

Ø

2

(50)

"

2'-8-1/2"(825)

)5
0

3

(

'1

Supply air Supply air

)

05

1

("

23

/9

2-5

Ø

Return air

1"(25)

619FNF024, 03036 / 619FNQ01824, 03036

)
0
5
1

(

"
2
/3
9
2

­5

Ø3-15/16"

(100)

1-7/8"(47)

2'-8-1/2"(825)

)
0
21("4/3

­4

2

-

5

8/

"

7

("8/

)84

)8
2

1

("
5

)351("6

)
42("6

1/
51

(

6

6

)

)94("

6

1/51-1

)25

"6

1

11-57/64"

(

1'-11-7/16"(595)

(302)

1 -31/32"

(50)

)
31

8

("
8

-'2

)732("23/11-9

)
8
6
1

(

"
8/

5

-6

)06

9

("
4

6/15-1-'3

NOTE: Dimensions in ( ) are in mm.

5

2

(

"1

Ø)

Fig. 2 — Unit Dimensions

—3—

Table 4A — 619FNF Physical Data

SYSTEM SIZE 018 024 030 036
NOMINAL CAPACITY (Btuh) 17,000 23,600 29,000 36,400
OPERATING WEIGHT (lb) 49 91 95 95
SEER 13
REFRIGERANT* R-410A

Control (Cooling) AccuRator Control

INDOOR FAN Direct Drive Centrifugal

Rpm/Cfm High 1000/470 440/690 660/910 660/910
Rpm/Cfm Medium 890/420 360/560 550/760 550/760
Rpm/Cfm Low 730/340 300/470 470/670 470/670
Motor Watts 120 110 210 210
Blowers Quantity...Size (in.) 1...11.1

INDOOR COIL Copper Tube, Aluminum Fin

Face Area (sq ft) 3.2 4.8 4.6 4.6
No. of Rows 2233
Fins/in. 22 18 18 18
Circuits 5 6 10 10

FILTERS Cleanable

Quantity...Size (in.) 1...17 x 16

AIRSWEEP

Horizontal Auto/Preset

OPERATING LIMITS

Cooling (Min/Max) 55 F/125 F

CONTROLS Integrated Microprocessor

Remote Controller Options Wireless, CRC
Diagnostics Ye s
Defrost Method Demand Defrost
Timer Mode Ye s
Warm Start Feature Ye s
Tes t Mo de Ye s
Freeze Protection Ye s
Dehumidification Mode Ye s
Fan Mode High/Medium/Low/Auto
Auto Changeover Ye s
Auto Restart Ye s
Control Voltage 24
System Voltage 208/230

REFRIGERANT LINES

Connection Type Flare Flare Flare Flare
Mixed-Phase Line (in.) OD
Vapor Line (in.) OD
Max Length (ft) 200 200 200 200
Max Lift (Fan Coil Above) (ft) 60 60 60 60

3

/

8

5

/

8

Max Lift (Fan Coil Below) (ft) 60 60 60 60

CONDENSATE DRAIN SIZE (in.) 1111

LEGEND

CRC — Carrier Room Controller
SEER — Seasonal Energy Efficiency Ratio

*See Table 3 for factory charge and additional field charge requirements.

3

/

8

5

/

8

3

/

8

3

/

4

3

/

8

3

/

4

—4—

Table 4B — 619FNQ Physical Data

SYSTEM SIZE 018 024 030 036

NOMINAL CAPACITY (Btuh)

Heat Pump

Cooling 17,900 22,600 29,200 33,400
Heating 16,800 20,800 27,400 32,400

Cooling with Electric Heat 17,000 22,600 29,000 36,000
SEER 13
HSPF 7.7
OPERATING WEIGHT (lb) 91 91 95 95
REFRIGERANT* R-410A

Control (Cooling) AccuRator Control

Control (Heating) AccuRator Control
INDOOR FAN Direct Drive Centrifugal

Rpm/Cfm High 440/690 440/690 660/910 660/910

Rpm/Cfm Medium 360/560 360/560 550/760 550/760

Rpm/Cfm Low 300/470 300/470 470/670 470/670

Motor Watts 110 110 210 210

Blowers Quantity...Size (in.) 1...18
INDOOR COIL Copper Tube, Aluminum Fin

Face Area (sq ft) 4.8 4.8 4.6 4.6

No. of Rows 2233

Fins/in. 18 18 18 18

Circuits 6 6 10 10
FILTERS Cleanable

Quantity...Size (in.) 1...24 x 23
AIRSWEEP

Horizontal Auto/Preset
OPERATING LIMITS

Heating (Min/Max) 15 F/75 F

Cooling (Min/Max) 55 F/125 F
CONTROLS Integrated Microprocessor

Remote Controller Options Wireless CRC

Diagnostics Ye s

Defrost Method Demand Defrost

Timer Mode Ye s

Warm Start Feature Ye s

Tes t Mo de Ye s

Freeze Protection Ye s

Dehumidification Mode Ye s

Fan Mode High/Medium/Low/Auto

Auto Changeover Ye s

Auto Restart Ye s

Control Voltage 24

System Voltage 208/230
REFRIGERANT LINES

Connection Type Flare Flare Flare Flare

Mixed-Phase Line (in.) OD

Vapor Line (in.) OD

Max Length (ft) 200 200 200 200

Max Lift (Fan Coil Above) (ft) 60 60 60 60

3

/

8

5

/

8

3

/

8

5

/

8

Max Lift (Fan Coil Below) (ft) 60 60 60 60
CONDENSATE DRAIN SIZE (in.) 1111

LEGEND

CRC — Carrier Room Controller
HSPF — Heating Seasonal Performance Factor
SEER — Seasonal Energy Efficiency Ratio

*See Table 3 for factory charge and additional field charge requirements.

5

/

16

3

/

8

3

/

4

3

/

8

3

/

4

—5—

II. STEP 2 — LOCATING AND MOUNTING THE UNIT

A. Locating the Unit

Install the unit as centrally as possible in the room. The air-

direction can be controlled by the remote control (where

flow
used) or automatically, according to the unit operating mode
(cooling or heating). Controlling the airflow automatically
will ensure optimum distribution of the air in the room.

In Cooling mode, the louvers should be positioned so that the
air is directed towards the ceiling. Refer to Fig. 3. In Heating
mode, the louvers should be positioned so that the air is
directed toward the floor to prevent layers of hot air forming
close to the ceiling. Refer to Fig. 3. The louvers will be auto­matically positioned when the louvers are set to Automatic
mode. Alternatively, the louvers can be placed in intermedi­ate positions (with infrared remote accessory kit only) or
allowed to move continuously (Swing mode).

In order to allow easy and rapid installation and mainte­nance, ensure that the unit is mounted in a location that is
easily accessible.

Restricting Air Outlets

A maximum of two air outlets can be restricted at one time.
See Fig. 3. The air supply outlet obstruction accessory kit
can be used to obstruct air outlets. Contact your local dealer
for more information.

B. Mounting the Unit

Use a stacker to lift the unit to the installation location.
Refer to Fig. 4. If the mounting location is in a plaster board
ceiling, the maximum dimensions of the unit housing cutout
must not exceed 2 ft, 2 in. square for 619FNF018 units and
2 ft, 11 in. square for 619FNF024, 03036 and 619FNQ01824,
03036 units.

NOTE: In rooms with high humidity, brackets should be
insulated using self-adhesive insulation.

Mark the position of the hangers, refrigerant lines and con­densate drain pipe, power supply cables and remote control

cable (see Fig. 2 for dimensions). The cardboard template
(supplied with the unit) may be used as a guide. Depending
on the type of ceiling, the hangers can be fixed as shown in
Fig. 5.

Once the threaded hangers have been positioned, do not
tighten the nuts. Insert the washers as shown in Fig. 5. First
position the refrigerant lines, which will be connected in the
Complete Refrigerant Piping Connections section. Remove
the “T” bar in the ceiling to facilitate installation. See Fig. 6.

Carefully lift the unit (without the frame) using the four sus­pension brackets (or the four corners), and insert it into the
false ceiling. If the “T” bar cannot be removed from the ceil­ing the unit may need to be tilted. See Fig. 7.

NOTE: Tilting the unit may only be carried out with false

13

ceilings with a minimum height of 11 ft-

/16 inches.

Align and level the unit by adjusting the nuts and locknuts
on the threaded hangers, maintaining a distance of 1 in. to

3

/16 in. between the sheet metal body and the underside of

1
the false ceiling. See Fig. 8. Reposition the “T” bar and align
the unit in relation to the bar by tightening the nuts and
locknuts. After connection of the condensate drain line and
the refrigerant lines, carry out a final check to make sure
that the unit is level.

Drilling the Hole for Connection Pipes in the External Wall

After positioning the units and determining the connection

3

position, drill a 2

/4 in. hole in the wall. The same hole can be

used as a condensate drain pipe conduit. The hole should

3

have a

/16 in. to 3/8 in. slope toward the outside. Refer to
Fig. 9. Insert the plastic conduit. Pass the power connection
cables through the conduit. The power connection cables will
be connected in the Make Electrical Connections section.

Running the Condensate Drain Piping

To ensure correct condensate water flow, the drain pipe
should have a gradient of 2% without obstructions. Addition­ally, a trap of at least 2 in. depth should be made to prevent
unpleasant odors from reaching the room.

Heat pump: louver position for correct airflow.
Cooling: louver position for correct airflow.

Fig. 3 — Louver Positioning

—6—

Max. 2 louvers closed

Fig. 4 — Positioning Unit

Nut
Washers
Threaded hangers
Wooden frame
Nut

Washer
Threaded hangers
Washer
Nut
Nut

Fig. 5 — Attaching Hangers to Ceiling

Threaded hangers

False
Ceiling

1“ to 1-3/16”

Spirit
Level

Fig. 8 — Align and Level the Unit

"3

m)

÷

m 08/0

"4/
3-2

7(

Indoor

3/16"

÷

(5

10 m

÷

3/8"

)

m

Outdoor

Fig. 9 — Drilling for Connections

The condensate may be discharged at a maximum height of

7

/8 in. above the unit, as long as the ascending tube is verti-

7
cal and aligned with the drainage flange.

If it is necessary to discharge the condensate from a level

7

above 7

/8 in., install an auxiliary water discharge pump and
float valve. A float valve is recommended to stop the com­pressor if there is a fault at the auxiliary pump.

The condensate pipe must be insulated with condensation
proof material such as polyurethane, propylene or neoprene

3

/16 in. to 3/8 in. thickness. See Fig. 10.

of

Threaded Hangers

T-Bar

Supension Brackets

"T" bar
(to be removed)

Fig. 6 — Threaded Hangers and T Bar

Threaded Hangers

T-Bar

Supension Brackets

Fig. 7 — Positioning Unit in Ceiling

T-Bar

CAUTION: The drain tube extension must be
securely fastened to the condensate drain. Failure to
do so could result in condensate water dripping on to
the floor, which could cause personal injury.

NOTE: If more than one unit is installed in the room, the
drain system can be designed as shown in Fig. 10.

Installing the Grille and Frame Assembly

Carefully unpack the assembly and check for damage sus­tained in transport. Attach the assembly to the unit by using
the two hooks. See Fig. 11. Tighten the four screws, link the
electrical connectors and insert the wires in the cable clamp.
Use the screws supplied to fix the frame in to position. See
Fig. 12.

Ensure that the frame is not distorted by excessive tighten­ing, that it is aligned with the false ceiling and that there is
a seal between the air inlet and outlet. See Fig. 13. Gasket
“A” prevents return air from mixing with the supply air and
gasket “B” prevents the supply air from leaking into the ceil­ing void. Once the unit is mounted in the ceiling, the gap
between the unit frame and the false ceiling must not be

3

more than

/16 in. wide.

—7—

2%

2” (50 mm)

x.

a

m

7-7/8”(200 mm)

Fig. 10 — Condensate Drain Pipe

Frame support brackets

A. Gasket "A"
B. Gasket "B"

A AIR B

Fig. 13 — Gasket Location

III. STEP 3 — LOCATING AND MOUNTING THE ROOM
CONTROLLER

WARNING: Electrical shock can cause personal

injury and death. Shut off all power to this equipment
during installation. There may be more than one dis­connect switch. Tag all disconnect locations to alert
others not to restore power until work is completed.

Fig. 11 — Attach Frame Assembly

Safety cord
Cable clamp
Power connection
cables from unit
Power connection
cables from frame

Frame support
screws

Fig. 12 — Fix Frame in Position

A. Locating the Room Controller

See Fig. 14 for room controller dimensions. If the air sensor
in the room controller is going to be used, the room controller
should be located by considering the following:

• Position controller with a minimum clearance of 5 ft from
the floor.

• Locate the unit in the same area as the fan coil unit; pref­erably on an inside partitioning wall.

• Locate on a section of the wall without pipes or ductwork.

• Do not locate close to a window, on an outside wall, or
next to a door leading to the outside.

• Do not locate where the controller is exposed to direct
light and heat from a lamp, sun, fireplace, or other tem­perature-radiating object that may cause a false reading.

• Do not locate close to, or in direct airflow of, a heating or
cooling supply.

• Do not locate in areas with poor circulation, such as
behind a door or in an alcove.

NOTE: Do not exceed 500 ft of network wiring when mount­ing the room controller.

—8—