Vent The Circulation Pump Of The Heat Source - Alpha-InnoTec WZSV Series Operating Manual

7.2
Frost protection must be provided in the heat source.
Below are the approved antifreeze agents based on:
Monopropylene glycol
Monoethylene glycol
Ethanol
Methanol
Antifreeze agents based on salt are not permitted.
When selecting the antifreeze agent, it must be
ensured that it is compatible with the following
materials:
Brass (CW602N and CW614N)
Stainless steel
AISI316L)
Copper (Cu-DHP CW024A - EN1652)
Cast iron (EN-GJL-150)
Composite (PES 30% GF)
EPDM (ethylene propylene diene rubber)
If an antifreeze agent is not compatible with one
of these materials, it may not be used.
Antifreeze agents from our product range are
safe with regard to our units and the accessories
purchased from us and guarantee compatibility
with the listed materials.
Pressure losses must be observed when selec-
ting the antifreeze agent.
The antifreeze agent that is selected and used
ments of the local authorities and water manage-
ment authorities.
WARNING
mable and explosive gases. Therefore, the
safety provisions for the anti-freeze must
be noted and followed!
The hazard markings of all anti-freezes
used must be noted and the relevant safety
provisions must be followed.
reeze agent meets the required minimum antifree-
ze temperature in the heat source.
"Technical data / Scope of supply", from
page 24
18
(AISI304, AISI316 and
For operation of the heat source with water-
antifreeze mixture, ensure that the water used
water side.
"Heating water quality", page 19
Drain pipe of the safety valve is connected.
Room is ventilated.
1. Flush the heat source system thoroughly.
2. Mix antifreeze with water thoroughly with the
required ratio, before adding to the heat source.
3.
mixture.
4. Fill the heat source with the water-antifreeze
mixture.
Fill until the system is air-free.
5. Fill the unit via the ball valves in the module box.
7.3 Vent the circulation pump of
the heat source
The front panel of the module box is unscrewed.
NOTE
In the unit variant without cooling the circula-
tion pump is located in the same place.
1. Place vessel for collecting discharging liquid
under the outlet.
2.
culation pump of the heat source.
-
-
-
Subject to change without notice | 83056900kUK | ait-deutschland GmbH
) in the middle of the cir-