Friedrich Mrh12y3j, Mwh12y3j Owner's Manual

SVC Manual(Exploded View)

Model : HM12YJ

FAC P/No : 960-914-07

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Product Specifications

Note:

: Applied, - : No relation

For circuit breaker rating, please conform to local standards wherever necessary.

Some of functions are slightly different depending upon models.

The specification may be subject to change without notic for purpose of improvement.

System 12K

FAC Model Name

System MH12YJ Outdoor Unit MRH12Y3J Indoor Unit MWH12Y3J

Cooling Capacity

3.516

Btu/h. 12,000

Heating Capacity

kW 3.986

Btu/h. 13,600 Power Input Cooling/Heating W 857/960 Running Current Cooling/Heating A 3.8 / 4.3 Starting Current Cooling/Heating A 3.8 / 4.3 Cooling COP - 4.1

EER

W/W 4.13

Btu/h.W 14 SEER 25 HSPF

Power Supply Ø / V / Hz

1/208-230/60

Power Factor % 97.7

Air Flow Rate

Indoor,Max m

/min(CFM) 14(494)

Outdoor,Max m

/min(CFM) 50(1,766) Moisture Removal l/h. 1.7

Sound Level

Indoor,H/M/L/Sleep dB(A)±3 42 / 36 / 25 / 17

Outdoor,Max dB(A)±3 51 Refrigerant & Charge (at 7.5 m) g(oz) R410A, 1,250(44.1) Additional Refrigerant charge g/m(oz/ft) 20(0.22)

Compressor

Type 2P Rotary

Model GKT128MAA

Motor Type Brushless DC Motor

Oil Type FVC68D

Oil Charge cc 450

O.L.P. name -

Fan(Indoor)

Type Cross Flow Fan

Motor Output W 20

Fan(Outdoor)

Type Propeller, Fan

Motor Type BLDC

Motor Output W 85 Circuit Breaker* A 15 Min.Ampacity A 0.1 Power Supply Cable No.*mm

(AWG) 3*1.0(16)

Power and Transmission Cable No.*mm2 No.*mm

(AWG) 4*1.0(16)

Piping Connections

Liquid Side mm(in) 6.35(1/4)

Gas Side mm(in) 9.52(3/8) Drain Hose(O.D / I.D.) mm(in) 21.5 / 16.0(0.85 / 0.63)

Dimensions

Indoor (W*H*D)

mm 875*295*235 inch 34.4*11.6*9.25

Outdoor (W*H*D)

mm 870*655*320 inch 34.2*25.8*12.6

Net Weight

Indoor kg(lbs) 11.0(24.25)

Outdoor kg(lbs) 43(94.8)

Gross Weight

Indoor kg(lbs) 13.0(28.6)

Outdoor kg(lbs) 45(99.2)

Operation Range

Cooling(Outdoor) °C(℉) -10~48(14~118.4)

Heating(Outdoor) °C(℉) -10~24(14.0~75.2) Piping Length (Min/Max) m(ft) 3(9.84) / 15(49.2) Chargeless m(ft) 7.5(24.6) Max. Elevation Difference m(ft) 7(23) Tool Code(Chassis) Indoor + Outdoor SM + UE

Functions

Temperature Control Thermistor

Allergy free filter -

Plasma Filter O

Prefilter(washable/anti-fungus) O

Auto Clean O

CHAOS Wind(Auto Wind) O

Steps, Fan/Cool/Heat 6/6/6

Airflow Direction Control(up& Down) Auto

Airflow Direction Control(left & right) Auto

Remote Controller Type Wireless LCD

Setting Temperature Cooling 18°C ~ 30°C

Range Heating 16°C ~ 30°C

Auto Operation (Micom Control) -

Auto Changeover (Micom Control) O

Self Diagnosis O

Timer 24h, On/Off

Sleep Operation O

Soft Dry Operation O

Restart Delay(minute) 3

Deice Control(Defrost) O

Hot Start O

Jet Cool(Surge) O

Low Ambient Operation O

Special Function Water Level Sensor

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2. Piping Diagrams

Indoor Unit Outdoor Unit

Heat Exchanger (Evaporator)

Heat Exchanger (Condenser)

Compressor

Accumulator

Gas Side

3-Way Valve

2-Way Valve

Liquid Side

Cooling

Heating

Reversing Valve

EEV

Th1

Th6

Th3

Th7

Th4

Th5

LOC. Description PCB Connector

Th1 Thermistor for sunction air temperature CN-TH1(Indoor)

Th3 Water level sensor (Option) CN-TH2(Indoor)

Th4 Thermistor for evaporator middle temperature CN-TH3(Indoor)

Th5 Thermistor for discharge pipe temperature CN-TH2(OUTDOOR)

Th6 Thermistor for condensing temperature CN-TH1(OUTDOOR)

Th7 Thermistor for outdoor air temperature CN-TH1(OUTDOOR)

※ EEV : Electronic Expansion Valve

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