Panasonic WH-MXF09D3E8 Service Manual

Also see for WH-MXF09D3E8: Design handbook Installation manual Installation manual Operating instructions Operating instructions

Panasonic WH-MXF09D3E8 Service Manual Manual pdf 53 page image

5312.8 Indication PanelLED OperationColor GreenLight ON Operation ONLight OFF Operation OFFNote:• If Operation LED is blinking, there is an abnormality operation occurs.12.9 Back-Up Heater Control12.9.1 Electric Heater control1. Normal Heating Mode• Heater On condition:a. Heater switch is ONb. After Heat pump thermo ON for [30] minsc. After water pump operate [9] minsd. Outdoor air temperature < Outdoor set temperature for heatere. When water outlet temperature < Water set temperature + [-8°C]f. [20] minutes since previous Backup heater Off* When heat pump cannot operate due to error happens during normal operation, heater will go intoforce mode automatic* Heater need to operate during deice operation• Heater Stop Condition:a. When outdoor set temperature > outdoor set temperature + [+2°C] for continuous 15 secs ORb. When water out temp> water set temperature + [-2°C] for continuous 15 secs ORc. Heater switch is Off ORd. Heat pump thermo-off or OFF condition2. Force Heater Mode• Heater On Condition:a. After water pump operate [9] minsb. When water outlet temperature < water set temperature + [-8°C]c. [20] minutes since previous Backup heater Off• Heater Stop conditiona. Force mode off ORb. When water outlet temperature > water set temperature + [-2°C] for continuous 15 secs* Do not operate heater at the following situation1. Water outlet temperature sensor, and water inlet sensor abnormal2. Flow switch abnormal3. Circulation pump stop condition4. During Heat pump switch to tank side