Panasonic WH-UD07CE5-A Service Manual

Also see for WH-SDF07C3E5: Design handbook Operating instructions Service manual Operating instructions Service manual

Contents

Panasonic WH-UD07CE5-A Service Manual Manual pdf 70 page image

7013.8. Indication PanelNote:• If Operation LED is blinking, there is an abnormality operation occurs.13.9. Indoor Back-Up Heater Control13.9.1. Indoor Electric Heater control1. Normal Heating Mode• Heater On condition:a. Heater switch is ONb. After Heatpump 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 heatpump cannot operate due to error happens during normal operation, heater will go into force modeautomatic* 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 sideLED OperationColor GreenLight ON Operation ONLight OFF Operation OFF