Panasonic WH-SDC09H3E8 Service Manual

Also see for WH-UD09HE8: Planning and installation manual Planning and installation manual Operating instructions Service manual Quick Menu Guide

Contents

Panasonic WH-SDC09H3E8 Service Manual Manual pdf 129 page image

12912.19 Boiler Bivalent Control- Boiler is an additional or alternative heat source to heat up the room when necessary.- Purpose of this control is to turn ON and turn OFF the Boiler output signal when boiler heating capacityneeded in the system.- Boiler is possible to connect to DHW Tank and Buffer Tank depends on the installer.- Boiler operation parameter need to be set on Boiler itself, indoor do not control the boiler operation directionand operation.- There are Alternative mode, Parallel mode, & Advance Parallel mode available to select by installer to fit tothe total system.Bivalent control selection by remote controllerRemote control setting value:1) Outdoor Ambient Set = (Range: -15°C ~ 15°C)a) Alternative Mode- Only one heat source operates at one time, either heat pump or boiler depends on condition.Control detail:During Operation ON at Heat mode or Tank mode or Heat + Tank Mode- Boiler signal turn ON and heat pump and water pump turn OFF when:a. Outdoor ambient < Outdoor Ambient Set ANDb. Boiler prohibit flag = 0** However indoor water pump can operate when Anti-freeze control condition fulfilled.- Boiler signal turn OFF and heat pump and water pump turn ON when:a. Outdoor ambient > Outdoor Ambient Set + [2°C] ORb. Boiler prohibit flag = 1b) Parallel Mode- Parallel mode allows heat pump and boiler ON at the same time. Boiler operates as an additional heatingcapacity when low heat pump capacity at low ambient condition.Control detail:During operation ON at Heat mode or Tank mode or Heat + Tank mode- Boiler signal turns ON when:a. Outdoor ambient < Outdoor Ambient Set ANDb. Boiler prohibit flag = 0- Boiler signal turns OFF when:a. Outdoor ambient > Outdoor Ambient Set + [2°C] ORb. Boiler prohibit flag = 1c) Advance Parallel Mode- Advance parallel mode allow heat pump to operate and turn ON boiler only when ambient and temperaturecondition is fulfilled.Remote control setting value:1) Outdoor Ambient Set = (Range : -15°C ~ 15°C)2) Selection of boiler connection direction. (Heat only, DHW only, Heat & DHW)3) Setting data under Heat Directiona. Start Temperature | START_TEMP |b. Start Delay Timer | START_TIMER |c. Stop Temperature | STOP_TEMP |d. Stop Delay Timer | STOP_TIMER |4) Setting data under DHW Directiona. Delay Timer | DELAY_TIMER |