Carrier 30RA040B, Руководство пользователя

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21
Installation components
12 Air vent
13 Thermometer sleeve
14 Flexible connection
15 Check valve
16 System water drain plug (on connection pipe supplied in the unit)
17 Pressure gauge
18 Freeze-up protection bypass valve (when valve No. 15 are closed during
winter)
19 Charge valve
--- Hydronic module (unit with hydronic module)
Note:
Units without hydronic module (option) are equipped with a flow switch and an
internal piping heater.
Legend
Components of the unit and hydronic module
1 Victaulic screen filter
2 Expansion tank
3 Safety valve
4 Available pressure pump
5 Purge valve and pressure tap
6 Pressure gauge to measure the plate heat exchanger pressure drop (to be
isolated with valve No. 5 if not used)
7 System air vent
8 Flow switch
9 Flow control valve
10 Plate heat exchanger
11 Evaporator defrost heater
Typical hydronic circuit diagram
1
2
3
4
5
6
7
5
8
10
11
9
18
15
17
14
14
17
15
16
13
19
13
12
Hydronic module