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5.7
Tank heater
To select external or internal
tank heater and if External is
selected, set a timer for the
heater to come on.
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*
Tank connection is selected
(YES).
Internal
External
0:20
Tank heater ON time
set.
5.8
Base pan heater
To select whether or not
optional base pan heater is
connected.
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*
activates only during
deice operation.
*Type B-The base pan heater
activates when
outdoor ambient
temperature is 5 °C
or lower.
No
Yes
A
Set base pan heater
type*.
5.9
Alternative outdoor sensor
To select an alternative
outdoor sensor.
No
5.10
Bivalent connection
To select a bivalent connection
to allow an additional heat
source such as a boiler to
heat-up the buffer tank and
domestic hot water tank
when heatpump capacity is
insufficient at low outdoor
temperature. The bivalent
feature can be set-up either in
alternative mode (heatpump
and boiler operate alternately),
or in parallel mode (both
heatpump and boiler operate
simultaneously), or in advance
parallel mode (heatpump
operates and boiler turns on
for buffer-tank and/or domestic
hot water depending on the
control pattern setting options).
No
Yes
-5 °C
Set outdoor temperature
for turn ON Bivalent
connection.
Yes After selecting the outdoor temperature
Control pattern
Alternative / Parallel / Advanced parallel
•
Select advanced parallel for bivalent use of
the tanks.
