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

Item			Operation flow and applicable data, etc.
8-2.	2) Heating operation
Operation	<Operation only for ZONE1>
Mode and	•	This operation is enabled when DP_SW12_2 ZONE1 is set to "ON" (default).
Control Method	•	The remote controller displays	settings, and only the set temperature of	can be changed.

<Operation for ZONE1 and ZONE2 (2 temperatures control)>

•This operation is enabled when DP_SW12_2 ZONE1 is set to "ON" (default) and DP_SW12_3 ZONE2 to "ON".

•The remote controller displays settings, and the set temperatures of

can be changed.

•To set temperatures for and , use SELECT to switch and .

•For 2 temperatures control, the flow adjustment of MIXING VALVE controls the water temperature of . For details,

see the description on MIXING VALVE control in 8-3-5.

1) Operation start condition		TWI
Pressing the [ZONE1, 2] button of remote controller starts a
heating operation. *1 *2		Thermostat off	e zone
2) Operation mode selection		operation
		TSC_F
An operation mode is determined according to the temperature
of TWI sensor.			diff2K
• Heat pump operation selection *1 *2
			d zone
When TWI < TSC_F (d zone in the right figure) is met, the heat		C_f = 0
pump operation is selected.
• Thermostat status "OFF"		Heat pump operation
When TWI	TSC_F (e zone in the right figure) is met, the
		TSC_F is a heating temperature
thermostat status "OFF" is selected.
		set with remote controller

3)Operation stop condition

When the following condition is met, the heating operation stops.

• The remote controller gives a stop instruction.

*1: When the outside temperature is -20°C or below, the heater operation is selected even if the TTW temperature falls into "d zone".

*2: When "Hot water supply" and "Heating" are simultaneously in operation, the heater operation may be selected depending on the outside air temperature.

Related FC

FC No.	Setting item	Default	Setting available range
1A	Upper limit of heating (Zone1) limited temperature	55	37-55°C
1B	Lower limit of heating (Zone1) limited temperature	20	20-37°C
1C	Upper limit of heating (Zone2) limited temperature	55	37-55°C
1D	Lower limit of heating (Zone2) limited temperature	20	20-37°C

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