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DANGER
4.
The Specification of Power
TYPE
5kW
7kW
10kW/12kW
12kW/14kW/16kW
Power
Phase
1-Phase
1-Phase
1-Phase
3-Phase
Frequency and Volt
220-240V~, 50Hz
220-240V~, 50Hz
220-240V~, 50Hz
380-415V~, 50Hz
Circuit Breaker / /Fuse (A)
30/25
30/25
40/35
25/20
Power Wiring (mm2)
3x4.0
3x4.0
3x6.0
5x4.0
Ground Wiring (mm2)
4.0
4.0
6.0
4.0
The power cord type designation is H07RN-F.
Connecting cable between indoor unit and outdoor unit shall be approved poly-chloroprene sheathed flexible cord, type designation H07RN-F
or heavier cord.
The means for disconnection from a power supply shall be incorporated in the fixed wiring and have an air gap.
6.
START-UP AND CONFIGURATION
The unit should be configured by the installer to match the
installation environment (outdoor climate, installed options, etc.) and
user expertise.
It is important that all information in this chapter is read sequentially
by the installer and that the system is configured as applicable.
6.1 Pre-operation checks
Checks before initial start-up
Switch off the power supply before making any connections.
After the installation of the unit, check the following before switching
on the circuit breaker:
1. Field wiring
Make sure that the field wiring between the local supply panel and
unit and valves (when applicable), unit and room thermostat (when
6. Mounting
Check that the unit is properly mounted, to avoid abnormal noises
and vibrations when starting up the unit.
7. Damaged equipment
Check the inside of the unit for damaged components or
squeezed pipes.
8. Refrigerant leak
Check the inside of the unit for refrigerant leakage. If there is a
refrigerant leak, call your local dealer.
9. Power supply voltage
Check the power supply voltage on the local supply panel. The
voltage must correspond to the voltage on the identification label
of the unit.
10. Air purge valve
Make sure the air purge valve is open (at least 2 turns).
11. Water leak
check the inside of the unit on water leakage, in case there is a
water leakage close the water inlet water outlet shut-off valves and
call your local dealer.
12. Shut-off valves
Make sure that the shut-off valves are fully open
applicable) have been connected according to the instructions
described in the chapter 5.6 Field wiring, according to the wiring
diagrams and to local laws and regulations.
2. Fuses, circuit breakers, or protection devices
Check that the fuses or the locally installed protection devices are
of the size and type specified in the chapter Page 25: The
Specification of Power. Make sure that no fuses or protection
devices have been bypassed.
3. Booster heater circuit breaker
Do not forget to turn on the booster heater circuit breaker (applies
only to units with optional domestic hot water tank installed).
4. Ground wiring
Make sure that the ground wires have been connected properly
and that the ground terminals are tightened.
5. Internal wiring
Visually check the switch box for loose connections or damaged
electrical components.
Operating the system with closed valves will damage the
circulation pump!
6.2 Setting the pump speed
The pump speed can be selected by
adjusting the red knob on the pump. The
notch point indicates pump speed.
The default setting is the highest speed (III).
If the water flow in the system is too high,
the speed can be set to low (I).
The pump hydraulic operational area and the available external
static pressure function for water flow are shown in the graph below.
IMPORTANT
CAUTION
DANGER
26


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