Hitachi RPC-4.0FSR - Page 66

CONTROL SYSTEM
1-56
TCI-20007-rev.1
Models: RPC-1.5FSR, RPC-2.0FSR, RPC-2.5FSR, RPC-3.0FSR, RPC-4.0FSR, RPC-5.0FSR
and RPC-6.0FSR
Mark Part Name
1 Heat Exchanger
2 Distributor
3 Strainer
4 Micro-Computer Control Expansion Valve
HP 1.5 2.0 2.5 3.0 4.0 5.0 6.0
Liquid Pipe
Connection
f
6.35
f
6.35
f
9.52
f
9.52
f
9.52
f
9.52
f
9.52
Gas Pipe
Connection
f
12.7
f
12.7
f
15.88
f
15.88
f
15.88
f
15.88
f
15.88
a (OD x T)
f
12.7 x 0.8
f
12.7 x 0.8
f
12.7 x 0.8
f
12.7 x 0.8
f
12.7 x 0.8
f
12.7 x 0.8
f
12.7 x 0.8
b (OD x T)
f
12.7 x 0.8
f
12.7 x 0.8
f
15.88 x 1.0
f
15.88 x 1.0
f
15.88 x 1.0
f
15.88 x 1.0
f
15.88 x 1.0
10. Control System
10.1 Refrigeration Cycle
: Field Refrigerant Piping
: Flare Connection
: Refrigerant Flow Direction (Cooling Operation)
: Refrigerant Flow Direction (Heating Operation)
S
S
1
2
4
3
3
Refrigerant Liquid Pipe Connection
Refrigerant Gas Pipe Connection
b
a
Indoor Unit