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7. REFRIGERANT CYCLE DIAGRAM
7-1. Indoor Unit, Outdoor Unit
RAS-B10SKVP-E, RAS-B13SKVP-E, RAS-B16SKVP-E / RAS-4M23SAV-E
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.
To
D room
To
C room
To
B room
To
D room
Indoor unit
A
T1
TCa
Connecting pipe
Thickness : 0.8mm
Ø12.7 :
RAS-B16SKVP-E
Ø9.52 :
RAS-B10SKVP-E
RAS-B13SKVP-E
Allowable height difference : 15m
Allowable pipe length
Evaporator
Cross flow fan
To
C room
To
B room
P
T2
TO
Propeller fan
Outdoor unit
TAa
TD
Only in heating “ON”
TGa
Strainer
Packed valve (Gas side)
(Ø12.7)
Accumulating
tank 1500cc
Compressor
DA150A1F-20F
Muffler
Ø25 x 160L
Muffler
Ø25 x 160L
Packed valve (Liquid side)
(Ø9.52)
TGd TGc TGb
Per 1 unit
Max.: 25m
Min. : 2m
Total
Max. : 60m
Chargeless: 40m
Charge : 20g/m
(41 to 60m)
(Ø6.35)(Ø9.52) (Ø9.52) (Ø9.52) (Ø9.52) (Ø6.35) (Ø6.35) (Ø6.35)
Pulse motor
valve at liquid side
(UKV-18D)
Refrigerant amount : 1.7kg (R410A)
NOTE : Gas leak check position
Refrigerant flow (Cooling)
Refrigerant flow (Heating)
Temp. measurement
Pressure
measurement
• Gauge attaching port
• Vacuum pump
connecting port
Sectional shape
of heat insulator
Connecting pipe
Thickness : 0.8mm
Ø6.35
Temp. measurement
TS
TE
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