Sterilization Mode; Outdoor Ambient Thermo Off Control - Panasonic WH-MXC09J3E8 Service Manual

13.13 Sterilization Mode


Purpose:
To sterilize water tank by setting the required boiling temperature.
o

Remote control setting
Days for sterilization function to start can be select.
o
Time of selected day to start sterilization function.
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Boiling temperature (External heater is 55°C ~ 75°C, Internal heater is 55°C ~ 65°C)
o
Maximum operation time is 5 minutes to 1 hour.
o

Start condition
Tank connection set to "YES" by remote control
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Sterilization function selects "YES".
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Sterilization signal received from remote controller by timer.
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Tank mode request ON.
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
Stop condition
When boiling timer is completed. Boiling timer (Remote control set maximum operation time) start counting
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once tank achieve boiling set temperature OR
After 8 hours of operation since sterilization start.
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Tank mode request OFF.
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
Control content:
During sterilization function activation time, target tank set temperature will internally change to boiling set
o
temperature.
During sterilization activates, heat pump and heater (external or internal) will operate as normal tank mode to
o
achieve the boiling set temperature.
Sterilization operation will end when stop condition is fulfill.
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After sterilization is complete, tank set temperature will resume to normal operation.
o
* Tank temperature may not achieve boiling set temperature if tank heater is select OFF OR external compressor
switch.

13.14 Outdoor Ambient Thermo OFF Control


Purpose
Stop provides heating to room side during high outdoor ambient condition.
o
Outdoor thermo off
set temperature +3°C

Control content
Heating outdoor ambient thermos OFF control only applicable when heat pump operate in heat mode. (This
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control will not activate when running in tank side)
Heat pump and water pump will turn OFF when outdoor ambient is higher than outdoor thermo OFF set
o
temperature.
Heat pump thermos ON when outdoor ambient < outdoor thermos OFF set temperature + 1°C.
o
OFF
ON
112
Outdoor thermo off
set temperature +1°C