Toshiba HWT-601XWHM3W-ETR - Page 59

58
7-2.
Operation Mode
and Control
Method
3) Heating operation
<Operation only for ZONE1>
• This operation is enabled when DN_6B9 is set to "0000" (default).
• 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 DN_6B9 is set to "0000" (default) and DN_6BA to "0001".
• The remote controller displays settings, and the set temperatures of
can be changed.
• To set temperatures for and , use SELECT to switch between and
.
• For 2 zone temperatures control, the flow adjustment of MIXING VALVE controls the water temperature of
. For details,
see the description on MIXING VALVE control in 7-3-5. (See page 74)
1) Operation start condition
Pressing the [
] button of remote controller starts a heating
operation. *1 *2
2) Operation mode selection
An operation mode is determined according to the temperature
of TWI sensor.
• Heat pump operation selection *1 *2
When TWI < TSC_F (d zone in the right figure) is met, the
heat pump operation is selected.
• Thermostat status "OFF"
When TWI ≥ TSC_F (e zone in the right figure) is met, the
thermostat status "OFF" is selected.
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 (-25) °C or below, the
heater operation is selected even if the TWI temperature falls
into "d zone".
* ( ): 801, 1101
*2: When "Hot water supply" and "Heating" are simultaneously in
operation, the heater operation may be selected depending on
the outside air temperature.
Related DN
* ( ): 801, 1101
Item Operation flow and applicable data, etc.
TWI
TSC_F
Thermostat off
operation
e zone
d zone
diff2K
Heat pump operation
TSC_F is a heating temperature
set with remote controller
DN Setting item Default Setting available range
1A Upper limit of heating (Zone1) limited temperature 55 (65) 37 - 55 (65) °C
1B Lower limit of heating (Zone1) limited temperature 20 20 - 37°C
1C Upper limit of heating (Zone2) limited temperature 55 (65) 37 - 55 (65) °C
1D Lower limit of heating (Zone2) limited temperature 20 20 - 37°C