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system pipe needs to be drained clean,avoid the pump and pipeline system be damaged by freezing.Also the power of the unit needs to be
cut off after water in the system is drained clean.
•
The unit might drain-off too much water through the pressure relief valve.
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8.5.7 Water piping insulation
The complete water circuit including all piping, water piping must be insulated to prevent condensation during cooling operation and reduction of the heating and coo-
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outside water piping.
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in order to avoid condensation on the surface of the seal.
8.6 Electrical connections
8.6.1 Electrical data
Table. 5 - Electrical data
Indoor unit
MOD.
-
Power input
"
9DF+]
Max current input
A
13
Automatic circuit breaker
A
16
Power cable section
mm
2
3x1,5
The customer must install the automatic circuit breaker.
Communication cable between indoor and
outdoor unit
MOD.
-
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mm
2
3x0,75
Example of basic connections for a single phase system
P
INDOOR
UNIT
Q
E
E
P
OUTDOOR UNIT
Q
230V-1-50Hz
230V-1-50Hz
CB
CB
N
N
N
N
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A main switch or other means of disconnection, having a contact separation in all poles, must be incorporated in
the fixed wiring in accordance with relevant local laws and regulations.
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All field wiring and components must be installed by a licensed electrician and must comply with relevant local laws
and regulations.
The field wiring must be carried out in accordance with the wiring diagram supplied with the unit and the instruc-
tions given below.
Be sure to use a dedicated power supply. Never use a power supply shared by another appliance.
Be sure to establish a ground. Do not ground the unit to a utility pipe, surge protector, or telephone ground. Incom-
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