Mitsubishi Heavy Industries FDCW60VNX-W, Руководство по установке

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32
Electrical installation
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This sensor is used in case electric heater is placed before
3-way valve (QN10) for switching heating/hot water (see page
22 for diagram).
Connect temperature sensor, external supply after electric
heater (BT63) to the port 9 and 10 on terminal X2.
SMO Externt
9
10
11
6
8
7
External RC-HY 20
X2
BT63
RC-HY20
X2
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This sensor is used in case electric heater is placed after 3 way
valve (QN10) for switching heating/ hot water (see page 23 for
diagram).
Connect temperature sensor, external supply (BT25) to the port
8 and 10 on X2 terminal.
SMO Externt
9
10
11
6
8
7
External RC-HY 20
X2
BT25
RC-HY20
X2
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This sensor is used in case electric heater is placed after 3 way
valve (QN10) for switching heating/ hot water (see page 23 for
diagram).
For connection, see page 35, AUX inputs.
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This sensor is used in case cooling application is required.
For connection, see page 36, AUX inputs.
Connection between controller and sensors
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indoor unit and controller. Refer to the appropriate combination
mentioned below.
Use two-core cable with a minimum 0.5mm2 cross section.
Regarding other sensors not mentioned in this chapter, refer to
page 34, Optional connections.
<RC-HY20 with HSB60>
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Install ambient air temperature sensor (BT1) in the shade on a
wall facing north or north-west, so it is unaffected by the
morning sun.
Connect the sensor to the port 3 and 6 on X2 terminal.
If a conduit is used it must be sealed to prevent condensation
in the sensor capsule.
SMO Externt
5
6
7
2
1
4
3
External RC-HY 20
X2
BT1
RC-HY20
X2
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The temperature sensor, hot water charging (BT6) is placed in
the submerged tube on the water heater.
Connect the sensor to the port 5 and 6 on X2 terminal.
Hot water charging is activated in menu 5.2 or in the start
guide.
SMO Externt
5
6
7
2
1
4
3
External RC-HY 20
X2
BT6
RC-HY20
X2
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A temperature sensor for hot water top (BT7) can be connected
to RC-HY20 to show the water temperature at the top of the
tank (if it is possible to install a sensor at the top of the tank).
Connect the sensor to the port 4 and 6 on X2 terminal.
SMO Externt
5
6
7
2
1
4
3
External RC-HY 20
X2
BT7
RC-HY20
X2