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FILE NO. SVM-03004(1)
5. REFRIGERATION CYCLE DIAGRAM
5-1. RAS-13UKHP-E2 / RAS-13UAH-E2
Evaporator
Indoor unit
Cross flow fan
Cooling
Heating
4-way valve
Heating
Cooling
Compressor
Accumulator
Condenser
Propeller fan
Outdoor unit
Capillary tube
∅1.0 x 900s
Capillary tube
∅1.5 x 700s
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/––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.
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