Wellea monobloc
10
2
Piping Diagrams
AW-WHPM05-H91 / AW-WHPM07-H91 / AW-WHPM09-H91
AW-WHPM12-H91 / AW-WHPM14-H91 / AW-WHPM16-H91
AW-WHPM12-H93 / AW-WHPM14-H93 / AW-WHPM16-H93
Figure 2-2.1: piping diagram
Legend
1
Compressor
16
Refrigerant outlet (gas pipe) temp. sensor
2
4-Way Valve
17
Water outlet temp. sensor
3
Gas-liquid separator
18
Water Inlet temp. sensor
4
Air side heat exchanger
19
Air purge valve
5
Electronic expansion valve
20
Expansion vessel
6
Single-way electromagnetic valve
21
Circulating pump
7
Liquid Tank
22
Manometer
8
Strainer
23
Safety valve
9
Water Side Heat Exchanger(Plate Heat Exchange)
24
Y-shape filter
10
Backup heater (optional
for 5/7/9kW
)
25
High Pressure Switch
11
Flow switch
26
Low Pressure Switch
12
Discharge gas sensor
27
Pressure valve
13
Outdoor temperature sensor
28
Capillary
14
Evaporation sensor in heating(Condenser sensor in cooling)
29
Suction gas sensor
15
Refrigerant inlet (liquid pipe) temp. sensor
Pressure sensor
Filter
Electronic expansion valve
Filter
High pressure
switch
Low pressure
switch
Comp
ress
or
Ac
cu
mu
la
tor
Air side heat exchanger
Di
st
ributor
W
at
er
s
ide he
at
ex
chan
ge
r
Accumulator
4-way
valve
LW
EW
1
2
3
4
5
6
7
8
8
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
F
T1
Electronic expansion valve
capiiiary
