Toshiba RUAGP Series Original Owner's Manual page 47

Run/Stop
You can run and stop the heat pump on the LCD screen of the module controller. You can also run and stop the
heat pump externally if you connect a wire (continuous signal) to the specified input port. This input port can be
configured to accept a pulse signal (with a width of 500 ms or longer).
Operation pattern
You can program an operation pattern on the LCD screen of the module controller. You can also change an
operation pattern externally if you connect a wire to the specified input port.
Enabling of independent operations for each group
You can allow independent operations of the modules for each group externally by connecting wires to the
specified input ports of the module controller (Closed contact to enable independent operation and open
contact for normal operation). This feature is available only when the operating mode is External on the
module controller.
Demand operation
The module controller can accept an external demand command if you connect a wire to the specified input
port (Closed contact to enable demand operation and open contact for normal operation).
Pump interlock
You can enable pump interlock detection if you connect a wire to the specified input port of the module
controller.
Double setpoints
This feature is available if you program an operation pattern with the module controller.
Forced fan operation
It is used to forcibly operate the fan by instructions of snowfall sensor, etc. in order to prevent snowfall to the
heat pump.
Other inputs (module controller customization)
(1) External capacity input:
(2) Maximum module count:
(3) Demand capacity:
(4) Auto recovery from a power failure:
(5) Linking of the freeze protection pump:
(6) Signal for mixed use of other heat pumps: This is used to automatically switch the operation from PQ
Run the heat pump at a capacity specified by an external controller.
Limit the number of modules that can be activated simultaneously.
Allow the demand capacity to be changed externally.
Recover normal operation automatically upon restoration of
power after instantaneous power interruption.
For details, see the section "Auto recovery from power failures
(customization)" on page 59.
Activate the pump for freeze protection according to an external
instruction.
control or bypass 0 control to staircase variable water flow when
operating together with other heat pumps in the same water
piping system.
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