Mitsubishi Heavy Industries FDCW60VNX-W, Installation Manual

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36
Electrical installation
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activated with this signal. Connect the terminals with a
potential-free switch and choose the function in menu 5.4.
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Target temperature offset for supply temperature or room
temperature can be done with this signal.
When a room sensor is connected and activated, the target
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When a room sensor is not connected, target supply water
temperature (heat curve) is offset instead. The degree of
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Alarms from external devices can be connected to the control
and appear as an info alarm. Potential-free signal of NO or
NC type can be connected.
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This function is used in case certain operation mode needs to
be prohibited. The operation at selected operation mode is
prohibited when the switch is closed. Following functions
can be managed.
Additional heat
compressor operation
heating mode
cooling mode
hot water mode
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Temperature sensor BT64 is required in case 4-pipe system
is used for cooling operation. (see page 23, 24 for diagram)
This option can be chosen only in case cooling function is
activated.
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connected to terminal block X2.
Tariff blocking means that the additional heat, the
compressor, heating and cooling are disconnected by
connecting a potential free switch function to the input
selected in menu 5.4.
A closed contact results in the electrical output being
disconnected.
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NOTE
This function can only be used in mains networks
that support the "SG Ready"-standard .
"SG Ready" requires two AUX inputs.
This function can only be used in power supply networks that
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AUX inputs.
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or simply prohibits additional heat and/or the compressor
operation in heat pump at certain period of the day. You can
choose which operation mode is affected by this function in
menu 4.1.5 after the function is activated.
Choose two external input circuits and connect potential-free
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of the circuit open/closed.
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heat is prohibited.
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"SG Ready" is active. The system operates to provide higher
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You can select the operation mode (heating/hot water/
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than Low price mode since the electricity price is supposed
to be very low in this mode. You can select the operation
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menu 4.1.5.