Refrigerant Cycle Diagram - Carrier 42NQV050M Service Manual

7-1. Refrigerant Cycle Diagram

42NQV050M / 38NYV050M
Pressure measurement
P
Gauge attaching port
Vacuum pump connecting port
Deoxidized copper pipe
Outer dia. : 12.7mm
Thickness : 0.8mm
4-way valve
(STF-0108Z)
Accumulater
tank
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)
7. REFRIGERANT CYCLE DIAGRAM
INDOOR UNIT
Indoor heat
exchanger
Cross flow fan
Deoxidized copper pipe
Outer dia. : 6.35mm
Thickness : 0.8mm
Sectional shape
of heat insulator
Muffler
Muffler
TD
Compressor
DA130A1F-27F
TS
Outdoor heat
exchanger
Propeller fan
OUTDOOR UNIT
Temp. measurement
T1
TC
TA
TO
TO
Split capillary
2 - Dia 1.2 x 80
DISTRIBUTOR
TE
NOTE :
– 18 –
Max.
Min.
Chargeless : 15m
Charge : 20g/m
(16 to 20m)
Strainer
Pulse Modulating
valve at liquid side
(CAM-B22YGTF-3)
Refrigerant amount : 1.40kg
Gas leak check position
Refrigerant flow (Cooling)
Refrigerant flow (Heating)
: 20m
: 2m