Dantherm HAC 1 Service Manual
Also see for HAC 1: Service manual
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11Connecting external accessories: AfterheaterenAfterheaterThe HAC can control both an electrical and a water based afterheater. The heater will increasethe supply temperature for comfort, and will add additional heating to the house. Select ap-propriate sensor according “Compatibility chart” on page 4Connect cables according schematic, to connect a 0-10V DC controlled after heater.T1T4T3T2Pre-heat/coolAfterheaterAlarmInputCO2AuxAftercooler J11J7J8J9J10J12J13FailOKStatusElec. PHT1GTC+16VStandbySwitchHygro-statFailAlarmFilterAlarm+12VSDASCLTFAHT2AHT2AC0 - 10V0 - 10V0 V0 V0 V0 V0 V0 V0 V0 V0 V0 V0 - 10V0 - 10V230V0-10V DCpower controlTGKTemp sensor>500 mm>500 mmPin 9 = 0 VPin 10 = 0-10VFig. 6IntroductionConnectionELECTRICALafterheater |
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