−
18
−
FILE NO. SVM-04022
5. REFRIGERATION CYCLE DIAGRAM
5-1. RAS-13NKHD-E / RAS-13UAH-E3
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 900
Capillary tube
∅
1.5 x 700
PH170T2-4L2
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
1.84
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/
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.
l
l
−
−
10/
−
10
•
•
