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Page
Initial Test Run
6.
Start pump operation test by built-in controller or remote con-
troller.
Press the ON/OFF button on the controller so the STAND BY LED
turns off.
or
Press and hold "INFO." and "PUMP" simultaneously for at least
three seconds, then the integrated pump starts operation for
five minutes.
or
A segment of the zero is lighting as follows in clockwise order
during pump operation test.
7.
During the pump operation test, open and close a faucet in the loop
several times to relieve air in the pipe. If air is stuck in the pump, it
can cause pump failure or decreased water flow.
8.
Check recirculation water flow. Refer to p. 60. Make sure the flow
rate is approx. 2 to 3 GPM. If the flow rate is less than 2 GPM, there is
a possibility that air is stuck in the pump. Open and close the faucet
again to relieve air.
Water flow
(EX.: 3.0 GPM)
9.
After finishing the pump operation test, complete the following
procedures (Refer to pp. 51 to 55.):
•
OUTLET WATER TEMPERATURE SETTING
•
SETTING THE TIME
•
SETTING PUMP TIMERS
•
SELECTING A PUMP TIMER
10.
N
ow you are ready to enjoy hours of endless hot water.
Initial operation
Installation Manual
