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4.4.1 To connect the electrical wiring on the backup heater
Routing
Possible cables
(depends on the installed options)
a
Low voltage
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Backup heater kit sensor
(interconnection with outdoor unit)
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b
High voltage
Backup heater kit connection
(to outdoor unit)
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Main power supply
1 Insert the wiring from the bottom of the backup heater.
2 Inside the backup heater, route the wiring as follows:
b Low voltage wiring
a High voltage wiring
3 Fix the wiring with cable ties to the cable tie mountings.
4.4.2
To connect the backup heater power supply
a b
NOTE
To guarantee the unit is completely earthed, always connect the backup heater power supply and the earth cable.
Leakage Protection Switch must be installed to the Power Supply of the electric heating.
For the power supply, connect 3 wires to XT5/L+N+
Power Supply Wires
220-240V~ 50Hz
XT5
L N
1 2 3 4 5 6
For the power supply, connect 4 wires to XT5/L1+L2+L3+
L1 L2 L3
XT5
Power Supply Wires
380-415V 3~ 50Hz
1 2 3 4 5 6
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Summary of Contents for BH30A
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