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2.2 User's restrictions
Work pressure:
Water temperature:
Environment temp.:
:
Protection grade
Note: frost can cause the internal copper tubes in the exchanger to burst, the exchanger will leak. No
warranty on this!
2.3 Pre-check
Before installing the heater, please check if the heater is in accordance with the order, and whether it
suites the local and present provisions (electrical supply etc.). The heater also has to meet local and
national legislations.
After installation ensure that the appliance is no hazard for persons or can cause damage in terms of
moisture, dust, inflammable or corrosive gases, smoke and/or combustible materials
The competent installer must make sure that the heater functions correctly and must instruct the user
about safe operation of the heater.
3 Installation
3.1 Suspension
The WWH is provided with eight M10 suspension points on the side panels.
Use preferably the specially designed cantilever brackets or the ceiling mounting-set.
Take care that the heater is placed stable and that there is no tension on the water sided connections.
Wall setup: The pipe connections for water should always be horizontal, with a view to venting of the
internal pipes. The heater can be turned over slightly, but the heater may absolutely not hang askew.
Place the heater in such manner that, the return connection (cold water) is at the lowest point. It's
important to place the venting in the duct near the heater.
In case de WWH-LT is used for cooling, make sure that the condensate discharge pipe is on the bottom
and that the air heater has been placed upright, enabling condensate to run out of the discharge system.
Instruction manual WWH-EC and WWH-LT Air heater
max. 5 bar.
max. 100°C; min 4°C. (freezing danger!)
max. 40°C; min 4°C. (freezing danger!)
IP00B
Condensate
discharge pipe
.
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