Troubleshooting (OP: Unified ON/OFF Controller)
Si33-105
216
Troubleshooting R407C PLUS Series Heat Recovery System
NO
NO
NO
Cannot be used in combination with a wiring
adaptor for electrical appendices. Remove the
wiring adaptor for electrical appendices and
reset the power supply for all optional
controllers for centralized control
simultaneously.
Schedule timer and data station cannot be
used in combination. Disconnect either the
schedule timer or data station and reset the
power supply for all optional controllers for
centralized control simultaneously.
Schedule timer and parallel interface cannot
be used in combination. Disconnect either the
schedule timer or parallel interface and reset
the power supply for all optional controllers for
centralized control simultaneously.
Disconnect the schedule timer's individual /
combined connector and reset the power
supply for all optional controllers for
centralized control simultaneously.
Arrange so that the connector for setting
master control is connected to one controller
for centralized control and reset the power
supply for all optional controllers for
centralized control simultaneously.
Disconnect the connector for setting master
control from the master controller, connect to
another optional controller for centralized
control and simultaneously reset all optional
controllers for centralized control again. The
controller connected by the connector for
setting master control when the malfunction
is cleared is defective and must be replaced.
Reset the power supply for all
optional controllers for
centralized control
simultaneously.
YES
YES
Is the
wiring adaptor for
electrical appendices
connected?
YES
Is a schedule timer
connected?
Are
there two or
more optional
controllers for centralized
control connected with the
connector for setting
master control?
YES
Is a parallel interface
connected?
NO
YES
Is the schedule
timer's individual/combined
connector connected?
YES
Is a data station
connected?
NO
NO
If the malfunction is still not cleared:
2A
(VF081)
Summary of Contents for R407C PLUS
Page 1: ...System R407C PLUS Series Heat Recovery System Si33 105 Service Manual ...
Page 11: ...Introduction Si33 105 x ...
Page 41: ...Specifications Si33 105 30 Specifications R407C PLUS Series Heat Recovery System ...
Page 147: ...Test Operation Si33 105 136 Test Operation R407C PLUS Series Heat Recovery System ...
Page 263: ...Si33 105 iv Index ...