Mitsubishi SEZ-KD12NA4,SEZ-KD12NA4.TH,SEZ-KD12NAR1.TH,SEZ-KD12NA4R1.TH SEZ-KD12NA4R1 Data Sheet

M-SERIES

SUBMITTAL DATA: SEZ-KD12NA4**

12,000 BTU/H HORIZONTAL-DUCTED INDOOR UNIT FOR MXZ MULTI-ZONE HEAT-PUMP SYSTEMS

Job Name:

System Reference: Date:

**APPLIES TO INDOOR UNIT:

□ SEZ-KD12NA4
□ SEZ-KD12NA4.TH
□ SEZ-KD12NAR1.TH
□ SEZ-KD12NA4R1.TH

Indoor Unit: SEZ-KD12NA4**

SPECIFICATIONS

Cooling Capacity*............................11,500 Btu/h

Heating Capacity at 47°F* .....................13,600 Btu/h

* Rating Conditions per AHRI Standard
Cooling | Indoor: 80º F (27º C) DB / 67º F (19º C) WB
Cooling | Outdoor: 95º F (35º C) DB / 75º F (24º C) WB
Heating at 47ºF | Indoor: 70º F (21º C) DB / 60º F (16º C) WB
Heating at 47ºF | Outdoor: 47º F (8º C) DB / 43º F (6º C) WB

(For data on specic indoor units [all ducted, all non- ducted, and
both ducted and non-ducted] combinations, see the MXZ
Technical and Ser vice Manual.)

Electrical Requirements

Power Supply .................... 208 / 230V, 1-Phase, 60 Hz

MCA ...............................................1 A

GENERAL FEATURES

• Horizontal-ducted indoor unit for concealed applications

• Ultra thin body: 7-7/8" high

• Built-in drain mechanism for condensate removal; lifts to 21-11/16"

• Airlterisincludedwithindoorunit

• Quietoperation―aslowas23dBA

• Indoor unit powered from outdoor unit using A-Control

• AUTO fan speed control

• Automatic restart following a power outage

• Limitedwarranty:veyearspartsandsevenyearscompressorss

ACCESSORIES

Indoor Unit

□ Filter Box with MERV 8 Filters (FBL1-2)
□ Bottom Return Plate (BRP-2)

Controller Options

□ Wireless Wall-mounted Remote Controller Kit (MHK1)*
□ Portable Central Controller (MCCH1)*
□ Outdoor Air Sensor (MOS1)*
□ Wired Wall-mounted Controller (PAR-31MAA)*
□ Simple MA Remote Controller (PAC-YT53CRAU)*

*See Submittal for information on each option.

□ Remote Temperature Sensor (M21-JKO-307)
□ Hand-held Wireless Remote Controller

(PAR-FL32MA; req.PAR-FA32MA-E)
□ Wireless Signal Receiver PAR-FA32MA (for PAR-FL32MA)
□ Lockdown Bracket for Hand-held Controller (RCMKP1CB)

Voltage

Indoor - Outdoor S1-S2 .......................AC 208 / 230V

Indoor - Outdoor S2-S3 ...........................DC ±24V

Blower Motor (ECM).............................0.57 F.L.A.

Airow (Lo - Med - Hi)

Cooling .......................... 247 - 317 - 388 Dry CFM

Heating ..........................247 - 317 - 388 Dry CFM

Sound Pressure Level (Lo - Med - Hi)

Cooling ................................23 - 28 - 33 dB(A)

Heating ................................23 - 28 - 33 dB(A)

DIMENSIONS UNIT INCHES / MM

W 39 / 990
D 27-9/16 / 700
H 7-7/8 / 200

Weight. ....................................50 lbs. / 22 kg

External Finish ......................Galvanized-steel Sheets

Field Drainpipe Size O.D.......................1-1/4" / 32 mm

Refrigerant Type...................................R410A

Refrigerant Pipe Size O.D.

Gas Side .................................3/8" / 9.52 mm

Liquid Side................................1/4" / 6.35 mm

Connection Method ................................Flared

222 - 285 - 349 Wet CFM

Specications are subject to change without notice.

© 2014 Mitsubishi Electric US, Inc.

SEZ-KD12NA4** INDOOR FAN PERFORMANCE AND CORRECTED AIR FLOW CHARTS

SEZ-KD12NA4

(External static pressure 0.02[in.WG](5Pa)) 208/230V 60Hz

40

[0.16]

30

[0.12]

20

[0.08]

External static pressure [in.WG](Pa)

10

[0.04]

Low

0

678910 11 12

[212] [282][247] [353] [388][318] [424]

Middle

Airflow rate(m

3

/min)[CFM]

High

Rated point

SEZ-KD12NA4

(External static pressure 0.14[in.WG](35Pa)) 208/230V 60Hz

80

[0.32]

70

[0.28]

60

[0.24]

50

[0.20]

40

[0.16]

Middle

3

/min)[CFM]

Rated point

30

[0.12]

External static pressure [in.WG](Pa)

20

[0.08]

10

[0.04]

0

678910 11 12

[212] [282][247] [353] [388][318] [424]

Low

Airflow rate(m

Limit

Limit

High

SEZ-KD12NA4

(External static pressure 0.06[in.WG](15Pa)) 208/230V 60Hz

50

[0.20]

40

[0.16]

30

[0.12]

High

20

[0.08]

External static pressure [in.WG](Pa)

10

[0.04]

0

6789101112

[212] [282][247] [353] [388][318] [424]

Low

Middle

Airflow rate(m

3

/min)[CFM]

Rated point

SEZ-KD12NA4

(External static pressure 0.20[in.WG](50Pa)) 208/230V 60Hz

80

[0.32]

70

[0.28]

60

[0.24]

50

[0.20]

40

[0.16]

30

[0.12]

External static pressure [in.WG](Pa)

20

[0.08]

10

[0.04]

0

6789101112

[212] [282][247] [353] [388][318] [424]

Low

Airflow rate(m

Middle

3

/min)[CFM]

Limit

Rated point

Limit

High

Specications are subject to change without notice.

© 2014 Mitsubishi Electric US, Inc.

DIMENSIONS: SEZ-KD12NA4**

25(1)

15(19/32)

2XE- ø2.9(1/8)

D (Duct)

57(2-1/4)

20(13/16)

Drain pipe(O.D. ø32(1-1/4))

23(29/32)

(5-29/32)

150(Duct)

2X2- ø2.9(1/8)

1

Refrigerant piping
are connection (gas)

159(6-9/32)

Air
outlet

100(3-15/16)X(E-1)=F

100(3-15/16)

49

30(1-3/16)

57(2-1/4)

(1-15/16) (24-5/8)

23(29/32)

10(13/32)

116

100 25(1)

(3-15/16)

2

345(13-19/32)

10(13/32)

625(Suspension bolt pitch)

700(27-9/16)
677(26-21/32)

Control box

70

(2-25/32)(4-19/32)

270(10-21/32)

Refrigerant piping
are connection (liquid)

Drain pipe(O.D. ø32(1-1/4))

(Emergency draining)

Suspension bolt hole
4-14X30(9/16X1-3/16) Slot

L- ø2.9(1/8)

88(3-15/32)

A

C

Air
inlet

170(6-23/32)

102(4-1/32)

90

M

N

B (Suspension bolt pitch)23(29/32)

(3-9/16)

Knockout hole ø27(1-3/32)

(Indoor/outdoor connecting line)

200(7-7/8)

88(3-15/32)

Knockout hole ø27(1-3/32)

(Remote controller transmission line)

Terminal block (Indoor/outdoor connecting line)

Terminal block (Remote controller transmission line)

Drain pipe(O.D. ø32(1-1/4))

(Spontaneous draining)

12(1/2)

H

100(3-15/16)XJ=K

100(3-15/16)

12(1/2)

20(13/16)

37(1-15/32)

100(3-15/16)

157.5 (6-7/32)20(13/16)
37(1-15/32)

Unit : mm(in.)

Air lter

450

777

(30-19/32)

450

(17-23/32)

More than 300

(11-13/16)

Note2

50(1-31/32)

50(1-31/32)

G

(1-31/32 ~ 5-29/32)

50 ~ 150

(17-23/32)

Required space for service and maintenance

ModelA

SEZ-KD09NA4**

SEZ-KD12NA4**

SEZ-KD15NA4**

SEZ-KD18NA4**

Note1.Use M10 screw for the suspension bolt (eld supply).

2.Keep the service space for the maintenance at the bottom.

3.This chart indicates for SEZ-KD15NA4** model,which has 3 fans.
SEZ-KD09,12NA4** models have 2 fans.
SEZ-KD18NA4** models have 4 fans.

4.In case an inlet duct is used,remove the air lter(supply with
the unit), then install the lter(eld supply) at suction side.

700

(27-9/16)

900 952 998 860

(35-7/16)

1100B1152

(43-5/16)

(29-5/8)

(37-1/2)

(45-3/8)

(31-7/16)

(39-5/16)

1198

(47-3/16)

C

660798752

(26)

(33-7/8)

1060

(41-3/4)

Access door

F

E11D

7

(23-5/8)

800 1000 860

9

(31-1/2)

1000

(39-3/8)

175±5(6-29/32 ±7/32)

(Actual length)

J

H

G

800600

660

5

(26)

(31-1/2)

7

(33-7/8)

(39-3/8)

1060

1200

(47-1/4)

(41-3/4)

9

Less than 300

K

500

(19-11/16)

700

(27-9/16)

900

(35-7/16)

(11-13/16)

Drain hose (I.D. ø32(1-1/4))

<accessory>

1

N

M

L

790

839

16

(31-1/8)

20

24

(33-1/16)

1039

(40-29/32)

1239

(48-25/32)

990

(39)

1190

(46-7/8)

ø9.52(3/8)

ø12.7(1/2)

(13/32)

(21-21/32)

Less than 550

More than 10

More than 20

mm(in.)

2

Gas pipe Liquid pipe

ø6.35(1/4)

Ceiling surface

(13/16)

Make the access door at the appointed position properly
for service maintenance.

Access door

FORM# SEZ-KD12NA4** FOR MXZ MULTI-ZONE SYSTEMS - 201411

Specications are subject to change without notice.

© 2014 Mitsubishi Electric US, Inc.

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Suwanee, GA 30024
Toll Free: 800-433-4822
www.mehvac.com