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Installation instruction:
1) It is recommended to install antifreeze valve connected with both pipes (flow and return) of outdoor heat ex-changer of the heat pump(as shown in the fig E.
2) The antifreeze valve shall be installed vertically downward, to allow the drained water to flow out properly and free from obstructions.
3) The antifreeze valve shall be installed outdoor, at the position that can sense the lowest temperature of the system, and shall not be installed near the heat source which could interfere with proper function.
4) Leave at least 15 cm clearance from the ground (fig. A) to prevent the block of ice which may form below from stopping water from draining from the valve.
5)Do not make any trap connections(fig D).
6)It is not recommended to connect the drainage pipe behind the antifreeze valve.This may cause the failure of antifreeze due to freeze blocking the drainage pipeline.
Specifications:
Brass body.
Maximum working pressure 6 bar.
Working temperature range 0–95 °C.
Ambient temperature range: -30–65 °C.
Water temperature for opening drain: 3 °C.
Water temperature for closing drain: 4 °C.
Accuracy:±1 °C
Cv (straight path): 25
Cv (drainage path): 0.3
Maintainance
The vacuum breaker can be replaced
with spare part
Western Yard, Yard No. 18, Babeicun, Taiyanggong, | Tel:86-10-8404-4009 | Website:www.valcoo.com
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