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1. Specification

 

 

 

Indoor unit type

 

Ceiling Concealed Duct - Low Static

 

 

Model

 

 

               MD18Y3JM

 

Power Supply

 

Ø / V / Hz

 

1/ 208~230/ 60

 

Capacity(*)

 

Btu/h class

 

18,000

 

Current 

Running Current

 

A

 

0.25

 

Fan

 

Motor Type

 

BLDC

 

Fan Type

 

Sirocco Fan

 

Motor Output(W) x No. of Unit

 

19 x 2

 

Air Flow Rate

 

(H / M / L)

 

CMM

 

15/ 13.5/ 11.5

 

CFM

 

530/ 477/ 406

 

External Static Pressure

 

mmAq

 

4

 

Capacitor

 

μF / Vac

 

-

 

Drive

 

Direct Drive

 

Coil

 

Row x Column x FPI

 

2R x 11C x 21

 

Dimensions

 

(W x H x D)

 

Body

 

mm(inch)

 

1,100 x 190 x 575 (43 5/16 x 7 15/32 x 22 21/32)

 

Decorative Panel

 

mm(inch)

 

-

 

Net Weight

 

Body

 

kg (lbs)

 

26.5 (58.4)

 

Decorative Panel

 

kg (lbs)

 

-

 

Air Filter

 

 

Long life filter

 

Sound Level (H / M / L)

 

dB(A)+3

 

34/ 31/ 29

 

Piping 

Connections

 

Liquid

 

mm (inch)

 

6.35 (1/4)

 

Gas

 

mm (inch)

 

12.7 (1/2)

 

Drain(OD/ID)

 

mm(inch)

 

32 / 25(1.26/0.984)

 

Dehumidification Rate

 

l/h

 

2

 

Safety Devices

 

Fuse, thermal protector for fan motor

 

Temperature Sensor

 

Thermistor

 

Refrigerant

 

R410A

 

Refrigerant Control

 

EEV(in Outdoor unit)

 

Transmission Interunit Cable

 

No. x AWG

 

4X18(Including Earth)

 

 

Note:

 

1. Capacities are based on the following conditions:

 

Cooling: - Indoor Temperature 26.7

˚C(80˚F) DB/19.4˚C(67˚F)

 

- Outdoor Temperature 35

˚C(95˚F) DB/23.9˚C(75˚F) 

Heating: - Indoor Temperature 21.1

˚C(70˚F) DB/15.6˚C(60˚F) WB

 

- Outdoor Temperature 8.3

˚C(47˚F) DB/6.1˚C(43˚F) WB 

Piping Length - Interconnecting Piping Length 7.5m(24.6 ft.)

 

- Level Difference of Zero

 

2. Wiring cable size must comply with the applicable local and national code.

 

3. The specification may be subject to change without prior notice for purpose of improvement.

 

4. For more Capacity(*),refer to the combination table

 

 

  Conversion   Formula  

 

kW = Btu/h class X 0.0002931 

cfm  = CMM  x  35.3

 

- 2 -

 

 

Summary of Contents for MD18Y3JM

Page 1: ...Multi Zone Air Conditioner SVC MANUAL Exploded View CAUTION Before Servicing the unit read the safety precautions in General SVC manual Only for authorized service personnel MODEL MD18Y3JM 960 920 07...

Page 2: ...1 2 Drain OD ID mm inch 32 25 1 26 0 984 Dehumidification Rate l h 2 Safety Devices Fuse thermal protector for fan motor Temperature Sensor Thermistor Refrigerant R410A Refrigerant Control EEV in Out...

Page 3: ...O Energy Saving Cooling Mode X Forced operation X Group control O Sleep mode X Timer on off X Timer weekly X Two thermistor control O Individual control Wide wired remote controller DWC1 Deluxe wired...

Page 4: ...Cooling M Th3 Th1 Sirocco Fan Th2 Liquid pipe connection port flare connection LOC Description PCB Connector Th1 Thermistor for suction air temperature CN_ROOM Th2 Thermistor for evaporator inlet tem...

Page 5: ...4 Wiring Diagrams CN_REMO CN_PIPE IN CN_POWER CN_PIPE OUT CN_ROOM CN_D PUMP CN_CC CN_DISPLAY CN_OPTION CN_FLOAT CN_MOTOR1 CN_MOTOR2 5...

Page 6: ...3110 263230B 159830 263230C 336600B 130911 359012A 346810B 349610 147901 249951 268711C 263230A 336600A W6640 359012B 268711E TEMP FAN SPEED OPER MODE 267110 354210 352118A W51620 330871 352118B 15859...

Page 7: ...Housing Wrapper 67602903 336600B Housing Wrapper 67602904 346810B Motor Assembly DC Indoor 67603310 346810B Motor DC 67603331 330871 Pan Assembly Drain 67603703 137211 Panel Assembly Front Indoor 6760...

Page 8: ...FriedrichAir ConditioningCo I 10001Reunion Place Suite500 I SanAntonio TX78216 I877 599 5665 www friedrich com...

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