Commissioning
Water and hydraulic system
17
Commissioning of the water heater should
be carried out by authorised personnel only.
Failure to respect this condition makes the
guarantee void. A protocol of the commiss-
ioning should be filled out (see end of this
manual for example of commissioning prot-
ocol).
This chapter explains the commissioning
of the water heater with the standard
water heater controller. When an additio-
nal controller is installed, please refer to
its manual for commissioning the controller.
Filling and venting the domestic hot water system
Step 1:Open the furthest outlet from unit
Step 2:Open the mains cold water supply
until all the air has been eliminated
from the outlet
Step 3:Open the valve on the reciculation circuit,
when all of the air has been eliminated
close the outlet
Step 4:Check pipework for leaks
Further Commissioning
Once the system has been completely filled and vented
the unit can be connected to the electrical supply.
All DHWS settings are pre-set.
Ensure the following are operating correctly.
The recirculation pump should operate continuously,
ensure the pump is running
The load pump will operate intermittently, ensure
the pump turns freely
The boiler should operate when the loading pocess
has started
The loading process will stop when the sytem has
reached the required temperature
During the loading process the pumps speed will be
altering this can lead to a pulsing sound from the pumps
but is not damaging to their operation
Display codes during use:
The display will show various codes during operation
including the unit flow temperature.
Temperature Setting
The Thision WH is factory set at 65 C DHW flow and 60
DHW return, the temperature can only be adjsuted using
specialist equipment.
Summary of Contents for THISION WH
Page 1: ...Operation and Installation manual THISION WH 02 2011 DOC3078 12103187...
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