4. Usage
◆
There is a separate power cable for electric heater on top of
indoor unit. It supplies the power to electric heater directly.
◆
Make sure the unit is full of water before turning it on
.
◆
Do not touch it to get burned when it is turned on
.
High
temperature here
.
◆
Make sure the power supply to the heater corresponds to the
specifications
.
◆
The installation
,
dismantlement and maintenance of the heater
must be performed by qualified personnel
.
It is forbidden to
do any changes to the structure of the heater
.
◆
Digital thermostat is default set to 30
℃.
◆
Maximum set temperature of digital thermostat is 120
℃.
But
it is strongly suggest not to set the temperature over 75
℃
,
otherwise it may make the unit build up too high pressure inside
and cause damage or danger
.
Notice!
This heater (AH) is controlled by heat pump unit automatically according to the parameter setting in menu
"Backup Heating".
In case the heat pump control system breaks down, customer can manual set a set temperature for water
circulates through the unit via the digital thermostat for Electric Heater (AH).
Important Notice: Before turn ON the thermostat, system must be full filled with water and correctly air
purged, otherwise electric may get over heat and cause fire.
1104
3kW or 6kW
electric heater
Operation of
digital thermostat
4.3 Electric heater
The inbuilt electric heater can be used as a back-up heater or auxiliary heater to our heat pump unit, when
ambient temperature is too low, or heat pump fails to work properly, which causes insufficient heat.
This heater will start to work when any of following two conditions is met:
1. Water temperature is lower than what is set via
thermostat for electric heater.
2. Heat pump unit thinks its capacity is not enough, so it turns ON the heater.
digital
Содержание Thermal 12
Страница 119: ...5 Maintenance 5 1 119 Cable connected to fan motor capacitor 4 ...
Страница 127: ...6 Attached drawing Monoblock unit 1 127 Thermal 6 9 12 ...
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