Rotex RKHBRD011ABV1 Manuel D'installation page 89

Simultaneous demand of space heating and domestic water heating
Simultaneous No
request space
heating and
domestic water
heating?
Yes (1)
Domestic hot water
production will start
Domestic hot water No
temperature reached
A=minimum ([b-01];
55°C)?
Yes
Yes
Leaving water
control?
No
Yes
External room
thermostat control?
No
Remote controller room
thermostat control.
(1) are in relation with each other
(2) are in relation with each other
(*) Storage set point can be automatic value if [b-02]=1
RKHBRD011~016ABV1+Y1
Indoor unit for air to water heat pump system
4PW61218-1A
Normal operation
space heating or
domestic water
heating
Domestic hot water
production will
continue without time
limit till A is reached.
No Timer [d-01] (30
Storage setpoint [b-03]
minutes) passed
reached? (*)
since? (1)
Yes Yes (2)
Operation will
Operation will switch to
switch to space
space heating
Timer [d-02] (15
minutes) passed
since? (2)
Yes
No
Storage setpoint [b-03]
temperature
reached? (*)
<T
Yes Yes
Operation will switch to
space heating
No Operation will
continue in
domestic hot water
heating
No Space heating
operation will
continue till timer
finished
Room No
Timer [d-01] (30
minutes) passed
–3°C?
since? (1)
set
No
Operation will
continue in
domestic hot water
No
Timer [d-00] (10
minutes) passed
since? (1)
Yes (2)
Yes
Operation will Timer [d-02] (15
switch to space minutes) passed
heating since? (2)
No
Yes (2) Space heating
operation will
continue timer till
finished
Installation manual
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