Hitecsa EWFAIB, Installation, Operation And Maintenance Instructions, Page: 37 / 49

36
7 - Product Description
5
H
D
3
2
AT
4
7
6
9
ON
8
F
1
M
SL
BT
S
EXV
CONTROL
UNIT
CONTROL
INVERTER
A
20
20
20 20
E
C
K
B
SH
SAFETY/CONTROL DEVICES
A High pressure switch H Defrost temperature sensor
Pipe connection with Shrader valve
AT High pressure transducer I Hydrometer
BT Low pressure transducer L Vent valve ------- Optional parts
C Water differential pressure switch M Discharge temperature sensor Sensors
D Air temperature sensor N Water safety valve
E Outlet water temperature sensor S 5/16" Shrader valve (charging point)
F Inlet water temperature sensor SH 5/16" high pressure Shrader valve
FS Flow switch SL 5/16" low pressure Shrader valve
COMPONENTS
1 Compressor tandem scroll type
2 4-way valve
3 Air cooled condenser
4 Biflow filter drier
5 Sight glass
6 Biflow thermostatic expansion valve
7 Liquid receiver
8 Plate heat exchanger
9 Pump
10 Drain valve
11 Water buffer tank
12 Water filter (supplied loose)
13 Automatic water charging valve
14 Water outlet
15 Water inlet
16 Water charging line
17 Pressure expansion tank
7.3 Refrigerant flow diagram -
EWFAIB
20 to 35 - R410A