Refrigeration Cycle Diagram - Carrier 42NQ009N Service Manual

5. REFRIGERATION CYCLE DIAGRAM

Cooling
0.39m
Heating
(Connecting pipe)
∅9.52
P
O.D.:9.52mm
Packed valve
(∅9.52)
Heating
Cooling
4-way valve
Heating Cooling Compressor
Cooling
Heating
50Hz
Standard
Heating Overload
Low temperature
Standard
Cooling Overload
Low temperature
Note :
•
Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor)
Indoor unit
Heat exchanger
Cross flow fan
PA108X1C-4FZDN
Accumulator
Heat exchanger
Propeller fan
Outdoor unit
Standar d Surface temp. of heat
pressure P exc hanger inter changing
(MPaG)
2.95
3.70
2.40
0.93
1.08
0.69
− 9 −
FILE NO. SVM-10036
T1
Packed valve
(∅6.35)
Capillary tube
∅1.5x1200
Capillary tube
∅1.5x1000
l
Refrigerant
R410A : 0.78 kg.
Mark( )means check points of Gas Leak.
Fan speed
(indoor)
pipe T1 (°C)
High
43.5
57.0 Low
32.0 High
10.5 High
15.0 High
Low
2.0
0.49m
(Connecting pipe)
∅6.35
O.D.:6.35mm
l
Ambient temp.
conditions DB/WB
(°C)
Indoor Outdoor
20/15 7/6
27/− 24/18
20/−
−10/−10
27/19 35/24
32/23 43/26
21/15 21/15