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(3) Special operation for maintenance and inspection (SW801, SW804)
▼
HWS-P805HR-E, HWS-P1105HR-E
SW801 and SW804 can perform the following special operations for maintenance and inspection.
1) Switches the dip switch SW804. (See the table below)
2) Presses the push-button switch SW801 for approx. 1 second.
3) Starts the functions shown below. During the start processing of each function, LED D805 (Green) flashes.
4) When the push-button switch SW801 is pressed for approx. 1 second, or the dip switch SW804 is switched,
or the defined time for each function has passed, the each function stops and LED D805 (Green) returns
to continuous lit.
<Special operation>
SW804
Refrigerant recovery operation
SW804
The outdoor unit operates cooling. The hydro unit may freeze with this operation alone. Remove beforehand the
water in the hydro unit. (See 10-15-1 (See page 164))
Hydro unit cooling request
SW804
Performs a trial cooling operation. (See Note1 (See page 164))
Hydro unit heating request
SW804
Performs a trial heating operation.(See Note1 (See page 164))
Fan motor forcible operation
SW804
Forcibly performs a fan motor operation.
When SW801 is pressed again or after 2 minutes, the operation returns to the normal
control.
(No operation particularly)
SW804
PMV full open operation
SW804
Fully opens PMV (Pulse motor valve).
When SW801 is pressed again or after 2 minutes, the operation returns to the normal
control.
PMV full close operation
SW804
Fully closes PMV (Pulse motor valve).
When SW801 is pressed again or after 2 minutes, the operation returns to the normal
control.
(Note 1) The forced test run with this setting cannot be cancelled by the remote controller in the hydro unit.
Be sure to cancel the operation from the outdoor unit. (Press again SW801 for 1 second)
Operation when press button switch SW801 is pressed
175
Caution:
Although these
controls are available
during an operation,
basically perform
them when no
operation is in
progress.
Performing these
controls during an
operation may cause
dangerously rapid
pressure change.
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