Menu
Tank heater
7
To select external or internal
tank heater and if External is
selected, set a timer for the
heater to come on.
* This option is available if Tank
connection is selected (YES).
Base pan heater
8
To select whether or not optional
base pan heater is connected.
* Type A - The base pan heater
activates only during
deice operation.
* Type B - The base pan heater
activates when outdoor
ambient temperature is
5 °C or lower.
Alternative outdoor sensor
9
To select an alternative outdoor
sensor.
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 insuffi cient
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).
Default Setting
Setting Options / Display
Internal
External
Tank heater ON time
0:20
set.
No
Yes
Set base pan heater
A
type*.
No
No
Yes
Set outdoor temperature
-5 °C
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.
15