Toshiba MMU-AP0091H Solenoid Valve Forced Open/Close Function in Outdoor Unit, Clear, 110, Heater

8-7-6. Solenoid Valve Forced Open/Close Function in Outdoor Unit

This function is provided to forcibly open/close each solenoid valve mounted in the outdoor unit by use of the switches provided on the outdoor unit interface P.C. board. This function confirms the operation of each solenoid valve.

[Operation]

1.On the interface P.C. board set SW01 to [2], SW02 to [1] and SW03 to [3].

2.Confirm [H, ] is displayed on the 7-segment display [B]. Push switch SW04 for 2 seconds or more.

3.Confirm [2] is displayed on the 7-segment display - this indicates that solenoid SV2 has been switched on.

4.Each solenoid can be operated by selecting the appropriate SW02 position as shown in the table below. (ON/OFF output pattern of each solenoid valve is as below.)

NOTE 1) Be aware that there is a 5 second delay in the operation of the selected solenoid valve after SW02 has been set.

NOTE 2) The mark [¡] in the table indicates the selected solenoid valve is forced on.

NOTE 3) The mark [— ] in the table indicates the selected solenoid mode will depend on the specifications

of the air conditioner.

NOTE 4) The mark [×] in the table indicates the selected solenoid valve has been turned off. NOTE 5) The case heater relay output operates both compressor and accumulator heaters.

SW02	7-segment display						Operation pattern of solenoid valve																		Case
	[B]		SV2	SV5	SV6		SV11		SV12		SV41		SV42		SV3A			SV3B			SV3C		SV3D	SV3E	heater
1	[ ... 2 ...]		¡	—	—		—	—		—		—	—			—		—			—			¡	¡
2	[ ... 5 ...]		—	¡	—		—		—	—		—	—			—			—		—			¡	¡
3	[ ... 6 — ]		—	—	¡		—		—		—	—		—		—			—		—			¡	¡
4	[ ... 1	1 ]	—	—	—		¡		—		—		—	—		—			—		—			¡	¡
5	[ ... 1	2 ]	—	—	—	—		¡				—	—		—		—		—		—			¡	¡
6	[ ... 4	1 ]	—	—	—	—		—				¡	—			—		—		—		—		¡	¡
7	[ ... 4	2 ]	—	—	—	—		—		—			¡			—		—			—	—		¡	¡
8	[ ... 4 — ]		—	—	—	—		—				¡	¡			—		—			—	—		¡	¡
9	[ ... 3	A ]	—	—	—	—		—		—		—				¡			—		—		—	¡	¡
10	[ ... 3	b ]	—	—	—	—		—		—		—	—						¡		—		—	¡	¡
11	[ ... 3	C ]	—	—	—	—		—		—		—	—			—				¡			—	¡	¡
12	[ ... 3	d ]	—	—	—	—		—		—		—	—			—		—				¡		¡	¡
13	[ ... 3	E ]	—	—	—	—		—		—		—	—			—		—		—				×	¡
14	[ ... 3 — ]		—	—	—	—		—		—		—				¡			¡	¡			—	¡	¡
15	[ ... ... ... ]		—	—	—	—		—		—		—	—			—		—		—				¡	¡
16	[ A L L ]		¡	¡	¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡																			¡	¡

[Clear]

Return settings on SW01, SW02, and SW03 to (1/1/1) on the Interface P.C. board.

NOTE) Ensure this function is cleared to return the air conditioner to normal operation.

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