Hot water production Economy
Hot water demand occurs when:
■
the temperature falls below the start temp on BT6.
Hot water demand ceases when one of the following
conditions is filled:
■
the temperature is above the stop temp on BT6.
■
Condenser supply line: BT12 ≥ max condenser out -
1K. (different depending on which external part is
installed).
■
Condenser return line: BT3 ≥ max condenser in - 1K.
(different depending on which outdoor unit is in-
stalled).
Default values
Stop temp. eco-
nomy
Start temp. eco-
nomy
Menu
48 °C45 °C5.1.1
Limited so that the difference between start and stop
temperature is at least 3 K.
TIP
Selection of comfort mode (economy, normal
and lux) made in menu 2.2.
Hot water production Normal
Hot water demand occurs when:
■
the temperature falls below the start temp on BT6.
Hot water demand ceases when one of the following
conditions is filled:
■
the temperature is above the stop temp on BT6.
■
Condenser supply line: BT12 ≥ max condenser out -
1K. (different depending on which external part is
installed).
■
Condenser return line: BT3 ≥ max condenser in - 1K.
(different depending on which outdoor unit is in-
stalled).
Default values
stop temp. nor-
mal
start temp. nor-
mal
Menu
51 °C48 °C5.1.1
Limited so that the difference between start and stop
temperature is at least 3 K.
TIP
Selection of comfort mode (economy, normal
and lux) made in menu 2.2.
Hot water production Lux
Hot water is produced by the compressor until the ex-
ternal part's maximum supply temperature (BT12) or
maximum return temperature (BT3) is reached minus
one degree and thereafter by the set additional heat.
Hot water demand occurs when:
■
the temperature falls below the start temp on BT6.
Hot water demand stops when:
■
the compressor cannot produce as above and the
internal additional heat is blocked.
■
the temperature is above the stop temp on BT6.
■
the compressor can no longer produce and the in-
ternal additional heat is defined as 0 kW and there
is no external additional heat.
Default values
stop temp. luxstart temp. luxMenu
54 °C51 °C5.1.1
Limited so that the difference between start and stop
temperature is at least 3 K.
TIP
Selection of comfort mode (economy, normal
and lux) made in menu 2.2.
Hot water production below the balance point
Produces heating and hot water alternately.
Hot water production with internal immersion
heater
When hot water production only occurs with the im-
mersion heater, the max permitted electrical output is
used according to menu 5.1.12.
Temporary lux
Temporary lux can be selected in menu 2.1. Selectable
modes 3 h, 6 h, 12 h and Off.
No increase occurs if comfort mode Lux is selected.
NIBE™ VVM 320Chapter 4 | Description of functions14
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