Case of installation to high ceiling | Toshiba MMU-AP0121MH guide

7 APPLICABLE CONTROLS

In case of installation to high ceiling

When the unit is to be installed at a height that exceeds the standard value, adjustment to the air volume is necessary.

• For the “Setup data” in Procedure 2 , select from the “Installable ceiling height list”.

Installable ceiling height list

Indoor unit capacity type	0071 to 0121 type				0151 type				0181 type			Setup of high ceiling

Discharge direction	4-way	3-way	2-way	4-way		3-way	2-way	4-way		3-way	2-way	Setup data

Standard (At shipment)	2.7	—	—	2.9		—	—	3.2		—	—	0000

High ceiling (2)	—	—	—	3.2		—	—	3.4		—	—	0002

High ceiling (3)	—	—	—	3.5		—	—	3.5		—	—	0003

(Unit: m)

In case of remote controller-less (Group control)

To set the unit to high ceiling operation, there is a method that requires the changing of the short plugs on the indoor P.C. board. The details are shown in the below table.

This method is only to be used where a standard wired remote controller (Group control) is not used.

∗Upon changing the high ceiling setting

• Select setting by the changing of the short plugs					• Short plug position
	on the indoor P.C. board.				(CN112, CN111, CN110 from the left)

Short plug position
			Set	Filter sold separately
			Set
			data
			data

		Short Open
CN112 CN111 CN110
			0000	Standard filter (At shipment)
			0000	Standard filter (At shipment)



CN112 CN111 CN110
			0003	High ceiling (3)
			0003	High ceiling (3)

Change of lighting time of filter sign

Depending on the conditions of the installation, the time period of the filter clean sign can be changed.

Follow to the basic operation procedure

(1 → 2 → 3 → 4 → 5 → 6 ).

•For the item code in Procedure 3 , specify [01].

•For the [Set data] in Procedure 4 , select the setup data of filter sign lighting time from the following table.

Setup data	Filter sign lighting time

0000		None

0001	150H

0002	2500H	(At shipment from factory)

0003	5000H

0004	10000H

Increased heating effect

If it is not possible to achieve satisfactory heating due to the installation environment or the structure of the room. The detected temperature can be increased. Also use a circulator, etc to circulate hot air near the ceiling.

Follow to the basic operation procedure

(1 → 2 → 3 → 4 → 5 → 6 ).

•For the item code in Procedure 3 , specify [06].

•For the set data in Procedure 4 , select the setup data of the required temperature shift value from the table below.

Setup data	Detection temp shift value

0000	No shift

0001	+1°C

0002	+2°C (At shipment from factory)

0003	+3°C

0004	+4°C

0005	+5°C

0006	+6°C

Group control

In a group control, a remote controller can control up to a maximum of 8 units.

•For cabling procedure and cables of the individual line (Identical refrigerant line) system, refer to “Electric work” in this Manual.

•Wiring between indoor units in a group is performed in the following method.

Connect the indoor units by connecting the remote controller inter-unit cables from the remote controller terminal blocks (A, B) of the indoor unit connected with a remote controller to the remote controller terminal blocks (A, B) of the other indoor unit.

(No polarity)

•For address setup, refer to the Installation Manual supplied with the outdoor unit.

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