HTW -GRLC10 Manual De Usuario E Instalacion página 77

6.5.3 BACKUP HEATER
The BACKUP HEATER func�on is used to force to turn on the internal heater, AHS or WTH.
Go to " " » "OPTIONAL SET" »"BACKUP HEATER", Press "OK". The following page will appear:
Use "ON/OFF" to select ON or OFF.
Descrip�on:
The BACKUP HEATER func�on is once effec�ve.
IPH=Internal pipe backup heater.
AHS=Addi�onal hea�ng source.
WTH=Water tank heater.
i INFORMATION
If the opera�on mode is in space cooling, the
•
backup heater func�on is invalid.
6.5.4 MANUAL DEFROST
The MANUAL DEFROST func�on is used to force the unit to defrost when the unit operates in
heat or DHW mode in winter.
Go to " " » "OPTIONAL SET" »"MANUAL DEFROST", Press "OK". The following page will
appear:
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