Toshiba HWS-3001CSHM3-E(-UK), HWS-802H-E Simultaneous operations of hot water supply and cooling

Item			Operation flow and applicable data, etc.
8-2.	5) Simultaneous operations of "hot water supply" and "cooling"
Operation	For simultaneous operations of "hot water supply" and "cooling", basically cooling runs by a heat pump operation, and
Mode and	hot water supply by a heater operation.
Control Method
			Hot water supply side	Cooling side
		Normal	Heater *	Heat pump *

*Note that after a "cooling" heat pump operation is selected, if the thermostat off status continues for 10 minutes and TTW < 38°C is met, the operation switches to a hot water supply operation.

	Hot water supply side	Cooling side
Cooling
thermostat off	Heat pump	Stop
10 min. passed

When TTW 45°C (FC: changeable) is met, the operation returns to the normal mode.

6) Boiler-assisted heating operation

This operation is enabled when DPSW13_2 is ON (A boiler exists).

•I zone Heat pump operation

A heat pump operation is usually performed.

•J zone Heat pump operation + Boiler operation *1

A heat pump + boiler operations (*2) are performed, and a heater operation is performed in the Hot water supply side.

TO

I zone

Heat pump operation

E

J zone

Heat pump boiler operation

*1: In J zone, the hydro unit setting has a priority, and when the set temperature is reached, the boiler output also becomes OFF.

Setting FC_3E to "1" makes the boiler has a priority, and even if the hydro unit set temperature is reached, the boiler output remains "ON".

*2: The boiler operation only gives boiler instruction from the hydro unit through the option board.

Related FC

FC No.	Setting item	Default	Setting available range
23	Heat pump only / Simultaneous operation switching TO	-10	-20-20°C
	temperature (E)
3E	Hydro unit setting / Boiler set temperature priority switching	0: Priority on	1: Priority on boiler setting
		hydro unit
		setting

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