Panasonic WH-SDF16C9E8 Сервис мануал онлайн [49/125] 625832

i. Case 1

- THERMO OFF TEMP:

1. THERMO OFF TEMP = Heatpump tank target temperature + [+2°C].

2. Tank temperature > THERMO OFF TEMP for continuous 3 minutes, switch 3 ways valve to room side.

End Tank heat-up interval and start count heating heat-up interval.

- THERMO ON TEMP:

1. THERMO ON TEMP = Heatpump tank target temperature + [-3°C].

2. After Heating heat-up interval, always detect tank temperature. Switch to next tank heat-up interval

when tank temperature < THERMO ON TEMP

ii. Case 2

- Heatpump THERMO OFF TEMP:

1. Heatpump THERMO OFF TEMP = 55°C + [+2°C].

2. Water outlet temperature > Heatpump THERMO OFF TEMP for continuous 90 seconds, switch

3 ways valve to room side. End Tank heat-up interval and start count heating heat-up interval.

- THERMO ON TEMP:

1. THERMO ON TEMP = Tank temp. when heatpump thermo off + [-3°C].

2. After Heating heat-up interval, always detect tank temperature. Switch to next tank heat-up interval

when tank temperature < THERMO ON TEMP

iii. Case 3

- Heatpump THERMO OFF TEMP:

1. Water inlet temperature > 52°C for continuous 60 sec, switch 3 ways valve to room side. End tank

heat-up interval and start count heating heat-up interval.

- THERMO ON TEMP:

1. THERMO ON TEMP = Tank temp. when heatpump thermo off + [-3°C].

2. After Heating heat-up interval, always detect tank temperature. Switch to next tank heat-up interval

when tank temperature < THERMO ON TEMP

iv. Case 4: (Only during solar priority is set condition)

When solar pump ON, tank heat-up interval end early and 3 ways valve switch to room side.

- THERMO ON TEMP:

1. THERMO ON TEMP = Heatpump tank target temperature + [-3°C].

2. After Heating heat-up interval, always detect tank temperature. Switch to next tank heat-up interval

when tank temperature < THERMO ON TEMP and solar 3 way valve OFF.

3 Backup heater control:

o During heating heat up interval.

- Follow normal backup heater control operation.

o During tank heat-up interval.

- Backup heater OFF during this interval.

4 Booster heater control:

o During heating heat-up interval.

- Booster heater ON/OFF according to booster heater operation control.

o During tank heat-up interval.

- Once switch from heating heat-up interval to tank heat-up interval, turn off the booster heater and start

counting the BOOSTER HEATER DELAY TIMER.

- Booster heater turn ON after BOOSTER HEATER DELAY TIMER fufil and tank temperature lower

than tank set temperature.

- BOOSTER HEATER DELAY TIMER is clear when switch to heating heat-up interval.

5 Solar 3 way valve:

o Solar 3WV operates follow solar operation specification.

* Under solar priority is set condition, when solar 3WV is ON, booster heater turn OFF.

Panasonic WH-SDF16C9E8 Сервис мануал онлайн [49/125] 625832

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