11
(for easier operation, it is recommended to install externally two draining valves, on the water inlet and on the water outlet,
between the unit and the manual gate valves).
5.4.5
Hydraulic circuit
Models: HP_OWER ONE 70-90
Models: HP_OWER ONE 120
A
B
H
F
G
E
D
C
A
B
H
F
G
E
D
C
HP_OWER ONE 140-160
A
B
H
F
G
E
D
C
KEY
A
Plate heat exchanger
E
Expansion vessel
B
Flow switch
F
Manual air vent valve
C
Service valve
G
Safety valve
D
High efficiency circulating pump with
H
Pressure gauge
5.5
REFRIGERANT DIAGRAM OF HP_OWER ONE 70-90
IN
OUT
DT
ST
LP
HP
4WV
LR
EEV
FL
FL
C
CLS
Pr
PV
PV
MF
SE
M
P
C
COMPRESSOR
CLS
COMPRESSOR LIQUID SEPARATOR
ST
COMPRESSOR INLET TEMPERATURE
DT
COMPRESSOR OUTLET TEMPERATURE
HP
HIGH PRESSURE TRANSDUCER
Pr
HIGH PRESSURE FLOW SWITCH
LP
LOW PRESSURE TRANSDUCER
4WV
INVERTING CYCLE VALVE
LR
LIQUID RECEIVER
EEV
ELECTRONIC EXPANSION VALVE
FL
FILTER
M
AXIAL FAN
MF
MUFFLER SILENCER
SE
OUTDOOR AIR TEMPERATURE
P
CIRCULATOR ON BOARD UNIT
IN
WATER INLET TEMPERATURE
OUT
WATER OUTLET TEMPERATURE
Summary of Contents for HP OWER ONE 70
Page 1: ...User s and Installer s Manual 70 90 120 140 160 ONE...
Page 32: ...32...
Page 33: ...33...
Page 40: ...40 17 REGISTER OF OPERATIONS OF MAINTENANCE...
Page 41: ...41 4 5...
Page 42: ...a...
Page 43: ...a...