ITS Heat Pumps
Domestic Heat Pump Product Manual
Page 12 of 14
7.4
SETTING THE TIME
To set or adjust the time displayed on the controller display, follow these steps:
•
Press
SET
to activate time setting.
•
When hour display is flashing, move “
Up
” or “
Down
” to adjust. Fix and confirm setting by
pressing
SET
again.
•
When minute display is flashing, move “
Up
” or “
Down
” to adjust.
•
To fix and confirm setting press
SET
again.
7.5
TIME WINDOW
A single time window function is available on the unit. This can be used for example to allow the
unit to come on only during the daytime. When the heat pump is mounted on the outside of a
bedroom it might be preferred that the unit is inactive during the night time. ITS recommends
that in most cases the time window function be left deactivated (on at all times).
To activate and adjust the time window:
•
Press “clock” to activate time setting for
ON
. 00:00 and
ON
icon will be flashing
together.
•
Press “clock” again, controller displays with flashing hour and
ON
icon only, move “
Up
”
or “
Down
” to adjust. Press clock again to fix the hour on the timer to start the unit.
•
Do the same to set the Minute timer.
•
After
TIMER ON
is completed, press “clock” to activate
TIMER OFF
setting. 00:00 and
OFF
icon will be flashing together. Set and operate in the same way as above.
•
Press “clock” for final confirmation.
•
Controller will display with the “
ON”
and “
OFF”
symbols if the timer has been set.
To cancel the time window:
•
Press “clock” to activate timer. ON/OFF will both be flashing.
•
Press
SET
to cancel timer.
•
When the “
ON”
and “
OFF”
symbols are not displayed on the controller the timer has
been cancelled.
8
STANDARD ERROR CODES
The table below gives the meaning of the standard codes that may be displayed on the controller.
The most common error code is EE1. If for example the municipal water pressure drops, your
heat pump controller may display an EE1 error code. To fix this all you need to do is switch the
mains power off and then on again. This will reset the error and let the heat pump work again.
Should the conditions that caused the heat pump to give an EE1 error still remain the heat pump
will try 3 times after which it will again shut down and show EE1 on the display. In this case
please call your installer.
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