Mitsubishi MT300 User Manual

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68
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Installation
'10 • HM-T-149
NOTE
The switch (SF1) must not be switched to “1” or “ ”
until the boiler has been lled with water. The
circulation pump and immersion heater may become
damaged.
L
E
K
UB1
X1
SF1
FA2
FA1
BT30
FD1
X1
X2
UB2
X3
5.5 mm
1 mm
(rear)
(front)
Open
AA22
Electrical installation
General
Indoor unit must be installed via an isolator switch in
accordance with the local codes and regulations.
Otherelectricalequipment,excepttheoutdoorsensors,current
transformers and outdoor unit are ready connected at the factory.
■ Disconnect the indoor unit and outdoor unit before
insulation testing the house wiring.
■ Forrecommendedfuseratings,refertothefollowingtable.
Indoor Outdoor 230V 1AC 230V 3AC 400V 3NAC
HMA100V
FDCW71VNX 50A
－
16A
FDCW100VNX 50A
－
16A
HMA100VM
FDCW71VNX
－
32A
－
FDCW100VNX
－
32A
－
HMS140V FDCW140VNX 63A
－
25A
■ Ifthe building is equipped with an earth-fault breaker,
Hydrolution should be equipped with a separate one.
■ Connectionmustnotbecarriedoutwithoutthepermission
of the electricity supplier and under the supervision of a
qualiedelectrician.
■ Forinterconnectioncablebetweenindoorunitandoutdoor
unit,thesizeshownonthetablebelowisrecommended.
Indoor Outdoor Cable size
HMA100V
FDCW71VNX
FDCW100VNX
5×2.5 mm
2
HMA100VM
FDCW71VNX
FDCW100VNX
5×2.5 mm
2
HMS140V FDCW140VNX
3×6 mm
2
(powercable*1)
3×1.5 mm
2
(communication cable)
* 1 Maximum current on power cable is 25A.
Choose suitable size in accordance with regulations.
* 2

Maximumcurrentonpowercableis26Afor230V1AC,9A
for 400V 3NAC.
Choose suitable size in accordance with regulations.
■ Outdoorunitisequipped withasinglephasecompressor.
This means that phase L3 is loaded with up to 15A for
FDCW71VNXandFDCW100VNX,25AforFDCW140VNX
during compressor operation.
NOTE
Electrical installation and service must be carried out
under the supervision of a qualied electrician.
Electrical installation and wiring must be carried out
in accordance with the stipulations in force.
Principle diagram, electrical installation
Electrical
distribution
unit
Isolator switch
Current sensor*
Incoming supply
Power and
communication cable
L
1
PEN L
2
L
3
*Onlyina3-phaseinstallation.
Fordetails,seeConnectingthecurrentlimiter.
Electrical components
<HMA100V, HMA100VM>
Iutdoor unit installation
Indoor Tank Cable size
HMS140V
HT30
MT300
MT500
5×6 mm
2
×2(powercable*2)
5×1.5 mm
2
(sensor cable)
4×1.5 mm
2
(sensor cable)

Mitsubishi MT300 Specifications

General

Brand	Mitsubishi
Model	MT300
Category	Heat Pump
Language	English