Toshiba HWS-802XWHM3-E, HWS-802XWHT6-E, HWS-802H-E, HWS-3001CSHM3-E(-UK) Cooling operation

Item			Operation flow and applicable data, etc.
8-2.	3) Cooling operation
Operation	Pressing the [ZONE1, 2] button and then [OPERATION MODE] starts a cooling operation.
Mode and
Control Method	1) Operation start condition				TWI
	Pressing the [ZONE1, 2] button and then [OPERATION MODE]
						Heat pump operation
	starts a cooling operation.
						(cooling)
				TSC_F
						d zone
	2) Operation mode selection			(Temperature set with		Diff : 2k
	An operation mode is determined according to the temperature			remote controller)
						e zone
	of TWI sensor.			TSC_F
						Thermostat off operation
	•	Heat pump operation selection *1 *2
		When TWI	TSC_F (d zone in the right figure) is met, the heat
		pump operation is selected.			TSC is a cooling temperature
	• Thermostat status "OFF"				set with the remote controller
		When TWI < TSC_F (e zone in the right figure) is met, the
		thermostat status "OFF" is selected.
	3) Operation stop condition
	When either of the following conditions is met, the cooling
	operation stops.
	•	The remote controller gives a stop instruction.
	•	The operation is switched to heating.

*1: When the outside temperature is 10°C or below, cooling does not start even if the TWI temperature falls into "d zone".

Related FC

FC No.	Setting item	Default	Setting available range
02	Cooling mode availability	1: No	0: Yes
18	Upper limit of cooling setting temperature	25	18-30°C
19	Lower limit of cooling setting temperature	10	10-18°C

4) Simultaneous operations of "hot water supply" and "heating"				TO
	At the time of "Hot water supply" and "Heating" simultaneous
	operation, the operation mode is select as follows depending on				Hot water	f zone
	the outside air temperature.				supply heat
					pump priority	Diff : 5deg
•	f zone Operation with hot water supply priority			D	operation
	A heat pump operation is performed in the hot water supply side,					g zone
				(Note) Heating heat
	and a heating operation in the heating side.
					pump priority
•	g zone Operation with heating priority					Diff : 5deg
					operation
	A heat pump operation is performed in the heating side, and a			-20
	heating operation in the hot water supply side.
Operation mode by zone					Heater operation	h zone
	Zone	Hot water supply side	Heating side
	f	Heat pump *	Stop *
	g	Heater	Heat pump
	h	Heater	Heater

*Note that after a heat pump operation for "Hot water supply" is selected in f zone, when the operation moves to a heater operation for "hot water" and then 5 minutes has passed (Hot water supply operation in b zone), the operation mode changes as follows.

	Zone			Hot water supply side	Heating side
	f'			Heater	Heat pump
When TTW			45°C (FC: changeable) is met, the operation ends f' zone and returns to f zone.
Related FC
	FC No.			Setting item		Default	Setting available range
	07	Maximum HP operation time in “hot water supply” + “heating				30 min	0-120min
		mode”
	22	Priority mode switch temperature (D)				0	-20-20°C

*Note: When user selects “hot water supply” and “ZONE1,2”, and Heat pump selects hot water supply mode, the Maximum operating time of heat pump is 30 mins.

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