High Wall, Heat Pump Type
Service Manual
27
Toshiba
6 REFRIGERANT CYCLE DIAGRAM
6-1. Refrigerant Cycle Diagram
NOTE
The maximum pipe length of this air conditioner is 20 m. When the pipe length exceeds 15m, the additional
charging of refrigerant, 20g per 1m for the part of pipe exceeded 15m is required. (Max. 100g)
Max. : 20m
Min. : 2m
Chargeless : 15m
Charge : 20g/m
(16 to 20m)
Gas leak check position
Refrigerant flow (Cooling)
Refrigerant flow (Heating)
Refrigerant flow (Comp. 1 cylinder operation)
Refrigerant flow (Comp. 2 cylinder operation)
Temp. Sensor
INDOOR UNIT
T1
TO
Temp. measurement
T1
TC
Indoor heat
exchanger
Cross flow fan
Deoxidized copper pipe
Outer dia. : 6.35mm
Thickness : 0.8mm
Sectional shape
of heat insulator
Allowable height
difference : 10m
Allowable pipe length
P
Pressure measurement
Gauge attaching port
Vacuum pump connecting portV
Strainer
Pulse motor
valve
(SEV16RCC)
TD
4-way valve
(STF-0218G)
a
Compressor
(DA111A1FD-21F)
TS
Outdoor heat
exchanger
Capillary
Ø1.2x80
Propeller fan
Refrigerant amount :
OUTDOOR UNIT
Muffler
Muffler
TE
T1
Temp. measurement
T2
TCj
TA
Deoxidized copper pipe
Outer dia.:
07PAVP-E(-ND) : 9.52mm
10PAVP-E(-ND) : 9.52mm
13PAVP-E(-ND) : 9.52mm
16PAVP-E(-ND) : 12.7mm
18PAVP-E(-ND) : 12.7mm
Thickness : 0.8mm
1
1
2
2
4-Way valve
(STF-0125G)
1
2
07PAVP-E(-ND) : 1.12kg
10PAVP-E(-ND) : 1.12kg
13PAVP-E(-ND) : 1.15kg
16PAVP-E(-ND) : 1.15kg
18PAVP-E(-ND) : 1.15kg
Distributor
+00A08-010_01EN_SVM_HighWallHeatPump.book Page 27 Wednesday, March 4, 2009 11:22 AM
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