DHP-AX – 23
VUBMI102
Sub-menu OPERAT.
5.1.1
In the OPERAT. menu you can set the operating
mode of the heat pump.
When changing operating mode, confirm your
choice by pressing the right button once. The aster-
isk moves to the selected operating mode.
For further information, see section ”7.1 Setting operating mode”.
Menu text
Description
Adjusted by:
(OFF)
The installation is fully switched off. Any
active alarms reset.
D
Remember that if the ope-
rating mode OFF is to be
used for long periods during
the winter, the water in the
heating system in the instal-
lation must be drained, oth-
erwise there is a risk of frost
damage.
By the customer, if
necessary.
AUTO
Automatic operation with both heat
pump and auxiliary heater permitted.
If no auxiliary heating is permitted only
AUTO or OFF can be selected as opera-
ting mode.
By the customer, if
necessary.
HEAT PUMP
The control computer is controlled so
that only the heat pump unit (compres-
sor) is allowed to operate. NOTE! No peak
heating charging (anti-legionella func-
tion) with only heat pump operation.
By the customer, if
necessary.
AUX. HEATER
The control computer only permits the
auxiliary heater to be in operation.
By the customer, if
necessary.
HOT WATER
The control computer permits operation
with heat pump for hot water production
and auxiliary heater during peak heat
charging (anti-legionella function). No
heating goes to heating system.
By the customer, if
necessary.
AUTO
*
HEAT PUMP
AUX. HEATER
HOT WATER
OPERAT.
