Refrigeration Cycle Diagram; Ras-18Nkhd-E5 / Ras-18Nah-E - Toshiba RAS-18NKHD-E5 Service Manual

5-1. RAS-18NKHD-E5 / RAS-18NAH-E

Cooling
0.39 m
Heating
(Connecting pipe)
∅12.7
O.D.:12.7 mm P
Packed valve
(∅12.7)
Gas container connection (Reinstall etc.)
Heating
Cooling
4-way valve
Heating Cooling Compressor
Cooling
Heating
50 Hz
Standard
Heating High temperature*1
Low temperature
Standard
Cooling High temperature
Low temperature
Note : Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor.)
*1 : During heating overload, the high temperature limit control operation is included.

5. REFRIGERATION CYCLE DIAGRAM

Indoor unit
Evaporator
Cross flow fan
PH340X3C-4KT1
Accumulator
Condenser
Propeller fan
Outdoor unit
Standard
pressure P
(MPaG)
1.66
2.18 ~ 2.34
1.20
0.48
0.60
0.32
T
Capillary tube
∅ 0.6x600 l
Refrigerant
R22 1.53 kg
Mark ( ) means check points of Gas Leak
Surface temp. of heat
exchanger interchanging
pipe T (°C)
43
47 ~ 55
34.0
10.8
15.0
1.8
– 15 –
FILE NO. SVM-06005
0.49 m
(Connecting pipe)
∅6.35
O.D.:6.35 mm
Packed valve
(∅6.35)
Capillary tube
∅2.0x1400 s
Ambient temp.
conditions DB/WB
Fan speed
(°C)
(indoor)
Indoor Outdoor
High 20/–
Low 27/–
High 20/– –10/–10
High 27/19
High 32/23
Low 21/15
7/6
24/18
35/24
43/26
21/15