EEV21
FAN21
Indoor unit1
Outdoor unit
HEX21
GAS LINE
(High pressure)
LIQUID LINE
GAS LINE
(Low
pressure)
TH21
TH22
TH24
ACM
CMP1
(INV)
OS
SCHEX
HPS
FAN1
LPS
SV1
EEV2
EEV1
EEV3
TH1
TH2
TH3
HEX1
HEX2
TH10
TH4
TH5
TH6
TH9
TH7
RCV
TH8
4WV 1
4WV 2
TH11
SV3
SV2
HPSW1
CMP
ACM
SV4
: Capillary
: Strainer
RB unit1
SV
D1
SV
B2
SV
B1
SV
S1
SV
S2
02-01
2-1 REFRIGERANT CIRCUIT
1 Compressor temp. Sensor 1
Detects the compressor temperature
No. Part name
Function
2 Discharge temp. Sensor 1
Detects the discharge temperature
High pressure Switch
Detects abnormal high pressure 609 psi (4.20 MPa)
3
4 Check valve
Comp. pressure equaization
Oil Separator
Separates oil and refrigerant
5
6 Compressor (Inverter)
Operation range ( 20 rps - 115 rps )
7 Bypass / Oil return Valve
HP-LP bypass in protection, Returns the oil to COMP
8 Oil return Valve
Returns the oil to Compressor
9 High pressure Sensor
Detects the High pressure
10 Bypass Valve
HP-LP bypass in protection / Comp. pressure equalization
11 Suction gas temp. Sensor
Collects refrigerant and the returned oil
12 Low pressure Sensor
Detects the temp of refrigerant
13 Accumulator
Detects Low pressure
14 4-Way-Valve 1
Changes operation mode of HEX 1
Changes operation mode of HEX 2
4-Way-Valve 2
15
16 Service port
Measure High pressure for Service
17 Heat-Ex 1 gas temp. Sensor
Detects the temperature of refrigerant
Heat-Ex 2 gas temp. Sensor
Detects the temperature of refrigerant
18 Heat Exchanger 1
Operates as Condenser / Evaporator
Heat Exchanger 2
Operates as Condenser / Evaporator
19
20
21 Outdoor unit FAN (Motor)
Control FAN speed for heat exchange of HEX
22 Outdoor temp. Sensor
Detects the ambient temperature
23 Heat-Ex 1 liquid temp. Sensor
Detects the temperature of refrigerant
Heat-Ex 2 liquid temp. Sensor
Detects the temperature of refrigerant
24
25 Pressure regulation valve
Operates in regulated pressure 580 psi (4.00 MPa)
26 Outdoor unit EEV1
Controls the flow of ref. based on target pressure
27 Outdoor unit EEV2
Controls the flow of ref. based on target pressure
Receiver tank
Storage extra refrigerant
28
29 Liquid pipe temp. Sensor 1
Detects the temperature of liquid refrigerant
Outdoor unit EEV3
Controls ref. subcooling /Operates in protection
30
31 Sub-Cool Heat exchanger
Subcool of liquid refrigerant
32 Sub-Cool HEX gas outlet temp
Sensor
Detects the temperature of refrigerant
33 Liquid pipe temp. Sensor 2
Detects the temperature of liquid refrigerant
34 High pressure gas cut valve
Shut off High pressure gas line in all Cooling mode
35 3way-valve (High pressure Gas)
Open / Close for High pressure Gas line
36 3way-valve (Liquid)
Open / Close for Liquid line
37 3way-valve (Low pressure Gas)
Open / Close for Low pressure Gas line
38 Service port
Measure Low pressure for Service
39 I.U HEX outlet temp. Sensor
Detects the temperature of refrigerant
Detects the temperature of room
Room temp. Sensor
40
41 Indoor unit FAN (Motor)
Controlled by setting / protection / Thermo OFF
42 I.U Heat Exchanger
Operates as Condenser / Evaporator
Indoor unit EEV
Controlled by setting / protection / Thermo OFF
43 I.U HEX inlet temp. Sensor
Detects the temperature of refrigerant
SVD1 (Discharge)
Opens in Heat / Vacuum mode
44
45
46 SVB2 (Pressurization)
Opens in Heat / Vacuum mode
47 SVS1 (Suction 1)
Opens in Cool / Dry / Defrost / Oil-Recovery / Vacuum
48 SVS2 (Suction 2)
Opens in Cool / Dry / Defrost / Oil-Recovery / Vacuum
Check valve
Shut off opposit refrigerant flow
49
50 SVB1 (Decompression)
Opens in Stop / FAN / same as the function of SVS
Function
Part name
No.
2. OUTDOOR UNIT
: Fusible plug
Operation temp. 165 F (75 C )
FP
FP
Summary of Contents for Airstage UTP-RU01AH
Page 1: ...SERVICE MANUAL 208 230V 60Hz ...
Page 5: ...1 TEST RUN ...
Page 6: ......
Page 34: ...2 OUTDOOR UNIT OPERATION CONTROL ...
Page 59: ...3 INDOOR UNIT OPERATION ...
Page 60: ......
Page 82: ......
Page 83: ...4 TROUBLE SHOOTING ...
Page 84: ......
Page 186: ...04 96 0 24 AOUA120 208 230 AOUA72 90 0 19 RED WHITE BLACK U V W ...
Page 208: ...5 APPENDING DATA UNIT ...
Page 209: ......
Page 215: ...CASSETTE TYPE MODELS AUUB18TLAV AUUB24TLAV AUUB30TLAV AUUB36TLAV 05 06 ...
Page 217: ...MEDIUM STATIC PRESSURE DUCT TYPE MODEL ARUM24TLAV 05 08 MODEL ARUM30TLAV ARUM36TLAV ...
Page 218: ...HIGH STATIC PRESSURE DUCT TYPE MODELS ARUH36TLAV ARUH48TLAV ARUH60TLAV 05 09 ...
Page 219: ...FLOOR CEILING TYPE MODELS ABUA12TLAV ABUA14TLAV ABUA18TLAV ABUA24TLAV 05 10 ...
Page 220: ...CEILING TYPE MODELS ABUA30TLAV ABUA36TLAV INDOOR UNITS INDOOR UNITS 05 11 ...
Page 221: ...WALL MOUNTED TYPE MODELS ASUA7TLAV ASUA9TLAV ASUA12TLAV ASUA14TLAV 05 12 ...
Page 222: ...MODELS ASUB18TLAV ASUB24TLAV 05 13 ...
Page 224: ...MODEL UTP RU01AH MODEL UTP RU01BH 5 2 3 RB Unit 05 15 ...
Page 225: ...MODEL UTP RU01CH 05 16 ...
Page 226: ...MODEL UTP RU04BH 05 17 ...
Page 227: ...MODELS AAUA48TLAV 5 2 4 Outdoor Air Unit 05 18 MODELS AAUA72TLAV ...
Page 228: ...MODELS AAUA96TLAV 05 19 ...
Page 230: ...6 DISASSEMBLY PROCESS ...
Page 245: ......