Toshiba CEILING TYPE, CONCEALED DUCK TYPE service manual Setup at shipment

No.	Item	Outline of specifications	Remarks
9	High-temp.	1) The heating operation is performed as follows based on the
	release control	detected temperature of Tc sensor or Tcj sensor.
		• When [M] zone is detected, the commanded frequency is	However this control is
		decreased from the real operation frequency. After then	ignored in case of the
		the commanded frequency changes every 30 seconds	follower unit of the twin.
		while operation is performed in [M] zone.
		• In [N] zone, the commanded frequency is held.
		• When [L] zone is detected, the commanded frequency is
		returned to the original value by approx. 6Hz every
		60 seconds.

Setup at shipment			Tc, Tcj
	Control temp. °C		˚C		M
			A
	A	B			N
	56 (54)	52 (52)	B
				L
NOTE:
When the operation has started or when Tc or Tcj < 30°C at start						Same status as that
of the operation or after operation start, temperature is con-						when “thermostat-OFF”
trolled between values in parentheses of A and B.						(status that the air
						conditioner enters in the
						room temp. monitor
						mode when the
						temperature reached the
						setup temperature on
						the remote controller)

10 Drain pump	1)	In cooling operation (including Dry operation), the drain
control		pump is usually operated.
(The ceiling	2)	If the float switch works while drain pump drives, the	Check code [P10]
type is optional)
		compressor stops, the drain pump continues the operation,
		and a check code is output.
	3)	If the float switch works while drain pump stops, the
		compressor stops and the drain pump operates. If the float
		switch keeps operating for approx. 4 minutes, a check code
		is output.

11After-heat elimination

When heating operation stops, in some cases, the indoor fan operates with (L) for approx. 30 seconds.

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