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12.7 Tank Heater Control
12.7.1 Tank Heater Remote Control Setting
1) Tank heater selection:
External: - Booster Heater use to heat up tank when select external
Internal: - Backup Heater use to heat up tank when select internal
* When select External Tank Heater, Heater Delay ON Timer need to set. (range 20 min ~ 3 hrs)
2) Tank Heater ON/OFF selection by user.
The remote control Tank set Temperature range will change according to the External and Internal Tank Heater use.
Tank Heater Selection
Range
External
40 ~ 75°C
Internal
40 ~ 65°C
12.7.2 External Heater Control at Tank Side
Heating operation condition:
Tank set tempe
Tank Re-Heat Temp. + [-1°C]
Tank set tempe
[0°C]
Heater OFF
Heater ON
a) Tank heater Turn On condition:
-
External Heater select for Tank heater by remote controller.
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Tank Heater select ON by user.
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Tank mode operation ON ( Tank mode, Heat + Tank, or Cool + Tank )
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After TANK HEATER DELAY TIMER fulfil during heat pump startup time in tank mode, or during switching
from heating heat-up interval to tank heat-up interval in heat + tank mode
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Tank temperature < tank set tempe [Remote controller Set Tank Re-heat Temp] + [-1°C]
-
20 minutes since previous heater off.
* TANK HEATER DELAY TIMER is clear when tank heat-up interval end.
b) Tank heater Turn Off condition:-
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Tank temperature > tank set tempe [0°C] for continuous 15 seconds.
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When BOOSTER HEATER DELAY TIMER start count after switch from heating heat-up interval to tank heat-
up interval.
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Tank Heater select OFF by user
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Tank Mode Operation OFF