Toshiba HWS-1501CSHM3-E(-UK), HWS-802XWHT6-E, HWS-802H-E, HWS-802XWHM3-E <Special operation>

(3)Special operation for maintenance and inspection (SW801, SW804)

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) blinks.

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

SW804

	4
	3
	2
ON
	1

SW804

	4
	3
	2
ON
	1

SW804

	4
	3
	2
ON
	1

Operation when press button switch SW801 is pressed

Refrigerant recovery operation

The outdoor unit operates cooling. The hydro unit may freeze with this operation alone. Remove beforehand the water in the hydro unit. (See 16-1)

Hydro unit cooling request

Performs a trial cooling operation. (See Note1)

Hydro unit heating request

Performs a trial heating operation.(See Note1)

SW804

	4
	3
	2
ON
	1

SW804

	4
	3
	2
ON
	1

SW804

	4
	3
	2
ON
	1

SW804

	4
	3
	2
ON
	1

SW804

	4
	3
	2
ON
	1

SW804

	4
	3
	2
ON
	1

Fan motor forcible operation

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)

PMV full open operation

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

Fully closes PMV (Pulse motor valve).

When SW801 is pressed again or after 2 minutes, the operation returns to the normal control.

PMV half open operation

Half opens (250 pulses) PMV (Pulse motor valve).

When SW801 is pressed again or after 2 minutes, the operation returns to the normal control.

4-way valve relay operation (RY700, CN700 for check) Sets 4-way valve energization relay (RY700) to ON.

When SW801 is pressed again or after 2 minutes, the operation returns to the normal control.

Caution:

Do not connect the coil into the body when perform this operation.

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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