Operating instructions

English
15
Menu Default Setting Setting Options / Display
7
Tank heater
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).
Internal
External
0:20
Tank heater ON time
set.
8
Base pan heater
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.
No
Yes
A
Set base pan heater
type*.
9
Alternative outdoor sensor
To select an alternative outdoor
sensor.
No
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).
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.
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