– 1
1
–
FILE NO. SVM-05003
5. REFRIGERATION CYCLE DIAGRAM
5-1. 42HNR012-713 / 38HNR012-713
Heat exchanger
Indoor unit
Cross flow fan
Cooling
Heating
4-way valve
Heating Cooling
Compressor
Accumulator
Heat exchanger
Propeller fan
Outdoor unit
Capillary tube
∅
1.0 x 800
s
Capillary tube
∅
1.5 x 900
s
PH225X2C-4FT
Cooling
Heating
Mark ( ) means check points of Gas Leak.
O.D.:12.7 mm
O.D.:6.35 mm
Cooling
Heating
Packed valve
(
∅
12.7)
Packed valve
(
∅
6.35)
0.39 m
(Connecting pipe)
0.49 m
(Connecting pipe)
T1
P
Refrigerant
R22 : 1.00 kg.
∅
12.7
∅
6.35
Ambient temp.
conditions DB/WB
(
°
C)
Indoor
Outdoor
Standard 1.81 46.0 High 20/15 7/6
Heating
Overload*1
2.00 ~ 2.42
52.0 ~ 59.0
Low
27/
–
24/18
Low temperature
1.50
38.0
High
20/
–
–
10/
–
10
Standard
0.49
10.0
High
27/19
35/24
Cooling
Overload
0.60
15.0
High
32/23
43/26
Low temperature
0.45
2.0
Low
21/15
21/15
Standard
pressure P
(MPaG)
Surface temp. of heat
exchanger interchanging
pipe T1 (
°
C)
Fan speed
(indoor)
50Hz
Note
•
Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor)
*1
•
During heating overload operation, a value for the high temperature limit control operation is included.