© STULZ S.p.A. – all rights reserved IT/10.2021/i04
WLA CompACT - TRANSLATIoN oF oRIGINAL INSTRUCTIoNS
8. Commissioning
Only support centres authorised by the manufacturer are allowed to commission the unit.
For information and quotations, contact the manufacturer technical support service (see “Contacts”
at the end of this paragraph). The preliminary checks described in paragraph 7.4 are not included
in the commissioning operations.
8.1.
Start up
DANGER
The chiller comes already adjusted and calibrated.
The adjustments that can be modified during the start up phase are the user level access
parameters.
INFoRmATIoN
The instructions to modify the user level access parameters are found in the electronic
controller manual,in the user version, together with the product documentation.
•
In the event antifreeze has been added in the water circuit, the water supply temperature can
drop below the limit value set by the manufacturer. Therefore, reset some parameters of the
electronic controller: minimum cooling set point limit, low temperature alarm threshold, and
antifreeze function. Moreover, re-calibrate the alarm threshold on the electronic controller.
•
Select the water temperature value required. As default setting, the electronic controller adjusts
the supply temperature (chiller outlet)
•
As default setting, the digital inputs for any customer’s device (e.g. remote ON-OFF control)
are disabled. It there were installed, in order to do their activity correctly, enable the respective
digital inputs.
•
Press ON-OFF to change the unit status from OFF to ON.
INFoRmATIoN
If an external consent signal is provided, the electronic controller sets the unit in standby, until
the consent signal is not provided.
ON-OFF button
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