Tank Heater Control - Panasonic WH-SDC03H3E5 Service Manual

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.
12.7.2 Tank Heater Remote Control Setting
Heating operation condition:
Tank set temperature +
[0°C]
a) Tank heater Turn On condition:
External Heater select for Tank heater by remote controller.
-
Tank Heater select ON by user.
-
Tank mode operation ON ( Tank mode, Heat + Tank, or Cool + Tank )
-
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
Tank temperature < tank set temperature + [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:-
Tank temperature > tank set temperature + [0°C] for continuous 15 seconds.
-
When BOOSTER HEATER DELAY TIMER start count after switch from heating heat-up interval to tank heat-
-
up interval.
Tank Heater select OFF by user
-
Tank Mode Operation OFF
-
Tank Heater Selection
External
Internal
Range
40 ~ 75°C
40 ~ 65°C
Heater OFF
Heater ON
103
Tank set temperature +
Tank Re-Heat Temp. + [-1°C]