Testing; Inspection Before Use - welldana 34-180150 Installations- Und Benutzerhandbuch

compulsory defrosting should be more than 30 minutes.)
② The heating light will be twinkling when heat pump is in compulsory or
auto defrosting.
③ The running process and ending of compulsory defrosting are the same as
auto-defrosting.
VII.

Testing

１．Inspection before use
A. Check installation of the whole machine and the pipe connections
according to the pipe connecting drawing;
B. Check the electric wiring according to the electric wiring diagram and
earthing connection;
C. Make sure that the main machine power switch is off;
D. Check the temperature setting;
E. Check the air inlet and outlet.
２．Trial
A. The user must "Start the Pump before the Machine, and Turn off the
Machine before the Pump", or the machine will be damaged;
B. The user should start the pump, check for any leakage of water; and then
set suitable temperature in the thermostat, and then switch on power
supply;
C. In order to protect the swimming pool heater, the machine is equipped
with a time lag starting function, when starting the machine, the blower
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