Panasonic WH-SDF16C9E8 [55/125] Indication panel

12.8 Indication Panel

LED Operation

Color Green

Light ON Operation ON

Light OFF Operation OFF

Note:

 If Operation LED is blinking, there is an abnormality operation occurs.

12.9 Indoor Back-Up Heater Control

12.9.1 Indoor Electric Heater Control

1 Normal Heating Mode

o Heater On condition:

a. Heater switch is ON

b. After Heatpump thermo ON for [30] mins

c. After water pump operate [9] mins

d. Outdoor air temperature < Outdoor set temperature for heater

e. When water outlet temperature < Water set temperature + [-8°C]

f. [20] minutes since previous Backup heater Off

* When heatpump cannot operate due to error happens during normal operation, heater will go into

force mode automatic

* Heater need to operate during deice operation

o Heater Stop Condition:

a. When outdoor set temperature > outdoor set temperature + [+2°C] for continuous 15 secs OR

b. When water out temp> water set temperature + [-2°C] for continuous 15 secs OR

c. Heater switch is Off OR

d. Heatpump thermo-off or OFF condition

2 Force Heater Mode

o Heater On Condition:

a. After water pump operate [9] mins

b. When water outlet temperature < water set temperature + [-8°C]

c. [20] minutes since previous Backup heater Off

o Heater Stop condition

a. Force mode off OR

b. When water outlet temperature > water set temperature + [-2°C] for continuous 15 secs

* Do not operate heater at the following situation

1 Water outlet temperature sensor, and water inlet sensor abnormal

2 Flow switch abnormal

3 Circulation pump stop condition

4 During Heatpump switch to tank side