Toshiba RAV-SM1104UT-E, RAV-SM1404UT-E, RAV-SP1104AT-E service manual 127, Specific operation, SW804

4)Specific operation for maintenance check (SW801, SW804)

The following specific operations for the maintenance check are performed by operation of SW801 or SW804.

a)Select DIP switch SW804. (See table below)

b)Push the pushdown button switch SW801 for approx. 1 second.

c)The following functions start. While each function starts, LED D805 (Green) flashes.

d)When pushing the pushdown button switch SW801 again for approx. 1 second, when selecting DIP switch SW804 or when the specified time of each function elapsed, each function stops and

LED D805 (Green) returns to the continuous lighting.

<Specific operation>

SW804

SW804

	4
	3
	2
ON
	1

SW804

	4
	3
	2
ON
	1

Operation when pushdown button switch SW801 is pushed

Refrigerant recovery operation

The outdoor unit performs cooling operation. The indoor unit does not work by this operation alone. Therefore operate the fan beforehand. (Refer → 11-4-1. Refrigerant Recovery Control)

Indoor cooling test run demand

The cooling test run is performed. (→ Note 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

SW804

	4
	3
	2
ON
	1

Indoor heating test run demand

The heating test run is performed. (→ Note 1)

Fan motor forced operation Drive the fan motor forcedly.

When pushing SW801 again or when 2 minutes elapsed, the operation returns to the normal control.

(No operation especially)

PMV full open operation

Open PMV (Pulse Motor Valve) fully.

When pushing SW801 again or when 2 minutes elapsed, the operation returns to the normal control.

PMV full close operation

Close PMV (Pulse Motor Valve) fully.

When pushing SW801 again or when 2 minutes elapsed, the operation returns to the normal control.

PMV middle opening operation

Set PMV (Pulse Motor Valve) to middle opening (250 pulses).

When pushing SW801 again or when 2 minutes elapsed, the operation returns to the normal control.

[NOTE]

Although these operations can be performed even during operation, basically perform operation while the unit stops.

If performing this operation during driving the unit, it is dangerous because the pressure may change suddenly.

Note 1) Indoor cooling test run demand / Indoor heating test run demand

Only when combining with the following indoor unit, cooling/heating operation can be performed from the outdoor unit.

Test run is available: Indoor unit of 4 series and after (RAV-SM∗∗∗4UT-E etc.)

Test run is unavailable: Indoor units other than the above-mentioned indoor units, or indoor units other than above-mentioned indoor units are included in the twin connection.

Note 2) The forced test run by this setting cannot be cleared on the indoor remote controller. Be sure to clear the test run by operation of the outdoor unit. (Push SW801 again for 1 second.)

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