Unit Controller (With Pressure Display Function) - Toshiba RUAGP Series Original Owner's Manual

Unit Controller (with pressure display function)

Unit Controller (with pressure display function)
A unit controller with pressure display function supports only the factory default.
This section explains the unit controller's various display lamps, button for single-module operation, and
operation state.
POWER lamp (green)
Lights up when the heat
pump is powered.
RUN lamp (green)
Lights up while the heat
pump is running
ALARM lamp (yellow)
Flashes/lights up when
a fault occurs.
 RUN (Run button)
During remote group operation: Disabled (In accordance with instructions from the module controller.)
During unit module operation:
 STOP (Stop button)
During remote group operation: Touch STOP to stop the corresponding module.
During unit module operation:
MODE (Cooling/heating button)(heat pump module only)

During remote group operation: Disabled (Switching between cooling and heating follows commands
During unit module operation: Switches between cooling and heating during single-module operation.
Note: To perform unit module operation when another module, connected to the same water piping system, is
operating (RUN touched), do so in accordance with the operation mode (cooling or heating) of the other
module.
REMOTE (Remote/Unit button)

Switches between remote group operation (control via module controller) and unit module operation
(single-module operation).
REMOTE monitor
Highlighted during remote group
operation.
Lamp/operation panel (unit controller)
Example: Bar graph display mode
Module controller
I/O board at the back
Touch RUN to operate the corresponding module.
The module changes to unit module mode.
Touch STOP to stop the corresponding module.
from the module controller.)
(Valid only when the heat pump is off.)
ALERT monitor
Highlighted or flashes when
waiting to operate.
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LIMITED CAPACITY monitor
Highlighted when limiting the
maximum capacity.
Operation state monitor
Display the current
operation state.
Run, stop, buttons
Change settings, confirm, and
return button
Unit controller
(Display lamps/buttons for module
controller single-module operation)
Unit controller (CPU control board)
Control circuit, fan motor, and pump breaker (CB1)