Haier AP48KN1EAA User manual
Commercial Air Conditioning
SERVICE MANUAL
AP48KN1EAA(H)
Feature:
• High Reliability
• Double fan outdoor unit
• Long Pipe Length & High Height Drop
SYJS-11-2015REV.A Edition: 2015-11
1U48IN1EAB
1. DESCRIPTION OF PRODUCTS & FEATURES......................................1
2. Specication............................................................................................2
3. Dimension................................................................................................4
4. Piping diagram.......................................................................................5
5. Installation................................................................................................6
6. Noise level..............................................................................................22
7. Wiring diagram.......................................................................................23
8. PCB photo..............................................................................................25
9. Electric control functions........................................................................27
10. Failure code.........................................................................................39
11. Troubleshooing.....................................................................................40
12. Sensor characteristic...........................................................................48
Content
Single Split
1
1. DESCRIPTION OF PRODUCTS & FEATURES
1.1. Products code explanation
A P 48 K N 1 E A A
A: T1 & 220-240V,1Ph,50Hz
A:xed-speed
E: R410A
Cooling capacity,48=48000BTU/h
Product type : “P” stands for cabinet
type, ” “U” stands for outdoor unit
A: single split
1.2 Product features
•High Efciency , Energy Saving:
High EER compressor: EER up to 2.85,High efciency fan
•Double fan outdoor unit
The air conditioner adopts two stepping motors to combine vertical and horizontal auto-
swing to circulate cool/warm air to every corner of the room
•Long Pipe Length & High Height Drop
Piping Length 30m, Height drop 20m(Heat pump)
1: version 1
Appearance character
N: normal EER
Single Split
2
2. Specication
Item Model 1U48IN1EAB/AP48KN1EAA(H）
Function cooling heating
Capacity BTU/h 48000 51500
Capacity kW 14.1 15.1
Sensible heat ratio
Rated power input KW 4.9 5.1
Max. power input KW 6.2 8.6
EER or COP W/W 2.85 2.95
Dehumidifying capacity 10‐³×m³/h 5
Power cable section 5G×4.0mm2
Signal cable section 4G×2.5mm2
Connecting cable section 4G×2.5mm2
Wired control cable（for wired control unit）section / /
Power source N, V, Hz 3, 380~415,50
Rated /Max.Running current A / A 9.0A/11.2A 9.2A/23.6A
Start Current A62
Class of anti electric shock CLASS I
Circuit breaker A30
Max. operating pressure of heat side Mpa 4.15 4.15
Max. operating pressure of cold side Mpa 4.15 4.15
Indoor unit
Unit model (color) AP48KN1EAA（H）
Fan
Type × Number centrifugal*1
Speed(H-M-L) r/min 430/400/370
Fan motor output
power kW 0.09
Air-ow(H-M-L) m³/h 1800
Heat exchanger
Type / Diameter mm inner grooved pipe/φ7
Total Area m² 0.45
Temp. scope ℃/
Dimension External（L×W×H）mm×mm×mm 1850/600/350
Package（L×W×H）mm×mm×mm 1980/660/420
Air sending angle /
Drainage pipe (material , I.D./O.D.) mm PVC 16/20
Control type (Remote /wired /model) Remote
Fresh air hole dimension mm /
Outlet distribution hole dimension mm /
Electricity Heater kW 3
Noise level (H-M-L) dB(A) 51/48/44
Weight (Net / Shipping) kg / kg 60/71
Single Split
3
Outdoor unit
Unit model (color) 1U48IN1EAB
Compressor
Model / Manufacture ATE518SC3Q9RKA/Shanghai Hitachi
Elctrical Appliances Co.,Ltd
Oil model α68HES-H
Oil type α68HES-H
Oil charging 1600ml
Type Rotary
Protection type Inner thermal protection
Starting method direct start
Fan
Type × Number axial×2
Speed r/min 840±30/520±40
Fan motor output power kW 0.07
Air-ow(H-M-L) m³/h 6500
Heat exchanger Type / Diameter mm TP2U/Φ9.52
Row / Fin pitch 2/1.75
Dimension External（L×W×H）mm×mm×mm 960×340×1250
Package（L×W×H）mm×mm×mm 1095×410×1400
Drainage pipe (material , I.D./O.D.) mm none
Refrigerant control method mm/mm capillary
Defrosting auto
Volume of Accumulator L 3
Noise level dB(A) 58
Type of Four way valve DSF-20
material of reduce noise XPE
crankcase heater power W 40
PIPING
Refrigerant Type / Charge g R410A/3400
Recharge quantity g/m 65
Pipe Liquid mm φ9.52
Gas mm φ19.05
Connecting Method Flared
Between I.D
&O.D
MAX.Drop m20
MAX.Piping length m30
Norminal condition: indoor temperature (cooling): 27℃DB/19℃WB, indoor temperature (heating): 20℃DB
Outdoor temperature(cooling): 35℃DB/24℃WB, outdoor temperature(heating): 7℃DB/6℃WB
The noise level will be measured in the third octave band limited values, using a Real Time Analyser calibrated sound
intensity meter. It is a sound pressure noise level. The detailed method please refer to the following information:
Single Split
4
3. Dimension
模 式 风 速开/ 关 温 度 + 健 康
温 度 -
1850
600
350
88
67
φ80
88
67
φ80
Indoor unit: AP48KN1EAA(H)
Indoor unit: 1U48IN1EAB
190580190
380
960
415
1250
Single Split
5
4. Piping diagram
gas-liquid segerator
compressor
4-way stop valve
3-way valvel
(liquid side)
condensor
evaporator
defrosting temp.sensor
maintencance
valve
maintance valve
high pressure switch
heating
cooling
capillary
discharging
temp.sensor
unloading
valve
heater
low pressure
switch
3-way
valve(gas
side)
indoor coil
temp.sensor
Single Split
6
5. Installation
1
2
1
2
3
4
1
2
1
2
3
4
2
Single Split
7
Single Split
8
This manual suits for next models
2
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