Toshiba Estia RUA-CP1701H, Руководство по обслуживанию

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Monobloc Outdoor Unit Service Manual
32
8.1.5. Wired external control
Name Description
On/Off Switch (remote) Used to start and stop the unit (if no user interface).
Mode Heat/Cool (remote)
Used to select (if no user interface):
- Cooling Mode = contact opened
- Heating Mode =contact closed
Normal/Eco (remote)
Used to select (if no user interface):
- Home Mode = contact opened
- Away Mode = contact closed
Safety Input Switch
This switch is of normally closed type.
Safety Switch Type [P501] is to configure:
1 = Full Safety Switch: unit is stopped when switch is opened
2 = Under Floor Heating Safety Switch: Heating Mode is not allowed
when switch is opened
3 = Under Floor Cooling Safety Switch: Cooling Mode is not allowed when switch is
opened
Power Limitation Switch (Night Mode) Used to reduce the compressor maximum frequency to avoid noise
Off Peak Switch
This switch is to close when the rate electricity price is high (Electric Heat Stages are
not allowed)
Loadshed Request Switch
This contact is requested by electricity company (i.e. in Germany) to control the green
electricity (wind, solar) production and consumption more efficiently. When switch is
closed then unit shall be stopped as soon as possible
Solar Input Switch
When this switch is closed then the unit is not allowed to run in Heating or DHW Mode
because hot water is produced from a solar source
DHW Request Switch from tank
When this input is closed, the Domestic Hot Water production is requested. A thermal
switch mounted on the Domestic Hot Water tank shall be connected to this input
DHW Priority Button
[Pulsed input (Falling Edge)]
When the status of this input goes from closed to open [Pulsed input (Falling Edge)],
the unit is switched to Domestic Hot Water production for the programmed duration
[P115] regardless of the Space Heating demand and the current DHW schedule
Anti-Legionella Cycle Request Button
[Pulsed input (Falling Edge)] When the status of this input is goes from closed to open [Pulsed input (Falling Edge)],
the Domestic Hot Water production is requested with the Anti-Legionella setpoint
Summer Switch Used to select the Summer Mode (contact closed)
Energy Meter Input
This input is used to count the number of pulses received from an external energy
meter (not supplied)
External Alarm Indication Input
When this input is opened, alarm is tripped. This alarm is for information only, it does
not affect the unit operation.