7 Disposal
Operation manual
10
RHBH/X04~16CB
ROTEX HPSU low temperature Bi‑bloc
4P384967-1B – 2017.04
Possible cause
Corrective action
Heat pump is damaged.
▪ Press
to view a description
of the problem.
▪ Press
again.
▪ Select
to allow the backup
heater to take over the heat
load.
▪ Call your local dealer to get
the heat pump fixed.
INFORMATION
When the backup heater takes over the heat load,
electricity consumption will be considerably higher.
Only for RHBH/X:
When the heat pump fails to operate, the backup heater and booster
heater can serve as an emergency heater and either automatically
or non-automatically take over the heat load.
▪ When auto emergency is
activated
and a heat pump failure
occurs:
▪ The backup heater will automatically take over the heat load.
▪ The booster heater will automatically take over the domestic hot
water production.
▪ When auto emergency is
not activated
and a heat pump failure
occurs, the domestic hot water and space heating operations will
stop and need to be recovered manually. The user interface will
then ask you to confirm whether the backup heater or booster
heater can take over the heat load or not.
When the heat pump fails, will appear on the user interface.
Possible cause
Corrective action
Heat pump is damaged.
▪ Press
to view a description
of the problem.
▪ Press
again.
▪ Select
to allow the backup
heater to take over the heat
load.
▪ Call your local dealer to get
the heat pump fixed.
INFORMATION
When the backup heater or booster heater takes over the
heat load, electricity consumption will be considerably
higher.
7
Disposal
NOTICE
Do not try to dismantle the system yourself: the dismantling
of the system, treatment of the refrigerant, oil and other
parts must comply with applicable legislation. Units must
be treated at a specialised treatment facility for reuse,
recycling and recovery.
8
Glossary
DHW = Domestic hot water
Hot water used, in any type of building, for domestic
purposes.
LWT = Leaving water temperature
Water temperature at the water outlet of the heat pump.
Summary of Contents for RHBH04CB
Page 11: ......