ANNEX A: Refrigerant cycle
Item
Description
Item
Description
1
Water side heat exchanger (Plate heat exchange)
12
Magnetic separator
(
Customized
)
2
Flow switch
13
3-Way valve
3
Refrigerant liquid line temperature sensor
14
Domestic water tank temperature sensor
(Accessory)
4
Refrigerant gas line temperature sensor
5
Water outlet temperature sensor
A
Solar circulation outlet
(
C
ustomized
)
6
Water inlet temperature sensor
B
Solar circulation inlet
(
C
ustomized
)
7
Automatic air purge valve
C
Domestic cold water
inlet
8
Expansion vessel
D
Domestic hot water
outlet
9
Circulated pump
E
Domestic hot water recirculation water inlet
10
Pressure relief valve
F
Space heating/cooling water out
let
11
Backup heater
G
Space heating/cooling water in
let
A BC DE
C D E
Water side
Refrigerant side
F
⑦
F
⑤
④
②
e
⑥
③
①
⑩ ⑨
⑧
G
HEATING
COOLING
Standard Unit
Water side
Refrigerant side
F
⑦
F
⑤
④
②
e
⑥
③
①
⑩ ⑨
⑧
G
HEATING
COOLING
Customized Unit
⑭
⑭
⑪
⑬
⑪
⑬
⑫
38