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Accessories: Pool water filter pump synchronisation terminals: P1 and P2
Installation
Pool water filter pump synchronisation terminals: P1 and P2
These terminals should not be used for installations where the circulation/filter pump runs
continuously .
For installations where an external timeclock controls the filter pump, and the same pump
also provides water flow to the heat pump, the heat pump can override the timeclock's off
periods to ensure the pool water is heated or cooled . To activate this setting, please contact
your installer (with P0 set to 2, the following applies) .
When installed in parallel with the timeclock, the filter pump will run either during the
timeclock's scheduled filtration periods or when the heat pump's sampling feature overrides
the timeclock for 3 minutes to circulate water and measure the pool water temperature . The
default sampling interval is 1 hour .
If during sampling, the pool water temperature differs by more than 1°C from the set tem-
perature, the heat pump will continue running the filter pump to heat or cool the water . If
the measured temperature is within 1°C of the set point, the filter pump will turn off until the
next sampling period or the timeclock turns it back on .
If the pool water filter pump is running but the heat pump is not actively heating or cooling,
the heat pump will sample the water temperature once per hour and activate if needed . How-
ever, the heat pump will not respond to heating or cooling demands until the sampling timer
has elapsed .
This feature helps reduce filter pump run time and minimize energy consumption .
If the filter pump is later set to run continuously, it is recommended to deactivate the sam-
pling function so the heat pump can immediately respond to heating or cooling demands .
Contact rating 2A max
INFO
The installer will need to adjust parameter P0 when using the pool water filter pump synchro-
nisation feature (see next page for P0 setting process) .
L
P1
P2
Terminals in
heat pump
(volt free)
Pool pump starter
N
Customer's external
pump / lter time clock
Fuse
Single phase
water pump
Separate supply
L
N
E
L
N
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