Refrigerant Cycle Diagram - Toshiba RAS-4M23SAV-E Service Manual

7-1. Indoor Unit, Outdoor Unit
RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E / RAS-4M23SAV-E
To
D room C room
Connecting pipe
Thickness : 0.8mm
Ø12.7 :
RAS-B16SKVP-E
Ø9.52 :
RAS-B10SKVP-E
RAS-B13SKVP-E
(Ø9.52) (Ø9.52) (Ø9.52) (Ø9.52)
TGd
Pressure
P
measurement
• Gauge attaching port
• Vacuum pump
connecting port
Accumulating
tank 1500cc
TS
Temp. measurement
NOTE :
• The maximum pipe length of this air conditioner is 60m. When the pipe length exceeds 40m, the additional
charging of refrigerant, 20g per 1m for the part of pipe exceeded 40m is required. (Max. 400g)
• Never connect one indoor unit only. Two or more indoor units should be connected.

7. REFRIGERANT CYCLE DIAGRAM

Temp. measurement T1
To To
B room
Sectional shape
of heat insulator
TGc TGb TGa
Packed valve (Gas side)
(Ø12.7)
Only in heating "ON"
Muffler
Ø25 x 160L
T2
Indoor unit
TCa
A
To
D room
Evaporator
Cross flow fan
TAa
Connecting pipe
Thickness : 0.8mm
Ø6.35
(Ø6.35)
Strainer
Muffler
Ø25 x 160L
TD
Compressor
DA150A1F-20F
TE
TO
Propeller fan
Outdoor unit
– 31 –
To To
C room B room
(Ø6.35) (Ø6.35) (Ø6.35)
Pulse motor
valve at liquid side
(UKV-18D)
Packed valve (Liquid side)
(Ø9.52)
Refrigerant amount : 1.7kg (R410A)
NOTE : Gas leak check position
Refrigerant flow (Cooling)
Refrigerant flow (Heating)
Per 1 unit
Max. : 25m
Min. : 2m
Total
Max. : 60m
Chargeless : 40m
Charge : 20g/m
(41 to 60m)