Tekmar 400 House Control Installation User Manual

tekmarNet®2 House Control 400D 40009/13HVAC SystemsReplaces: 09/10Installation & Operation Manual© 2013 400_D - 09/131 of 32MenuHouse Control 40

© 2013 400_D - 09/1310 of 32If the Boil Type is 1 Stage, the boiler stage 1 relay is closed for 10 seconds and then opened.If the Boil Type is 2 Sta

© 2013 400_D - 09/1311 of 3 2Applications115 V (ac)LNGBoil SysDHW(P1)(P2)to pump groundsNLBoil System PumpDHW PumpPump Power LStrip wires1/2 inch (1

© 2013 400_D - 09/1312 of 32Description: The House Control 400 operates a modulating boiler with indirect Domestic Hot Water. The House Control400 o

© 2013 400_D - 09/1313 of 32CallsCALLSDisplays any call for heat the control is receiving. PumpsPUMPSDisplays any pump currently operating.Zones1 2

© 2013 400_D - 09/1314 of 32Navigating The DisplayMenu Button --------------------------------------------------------------------------------------

© 2013 400_D - 09/1315 of 32Item Field Range DescriptionVIEWZonesCallsPumps-76 to 149°F(-60.0 to 65.0°C)OUTDOOR SECTION BCurrent outdoor air temper

© 2013 400_D - 09/1316 of 32Item Field RangeAccessDescription Set toADJUST-60 to 45°F(-51.0 to 7.0°C)Default = 10°F(-12.0°C)InstallerOUTDOOR DESIGN

© 2013 400_D - 09/1317 of 32Item Field RangeAccessDescription Set toADJUST0 to 50%Default = 0%InstallerMINIMUM MODULATION SECTION EThe minimum perce

© 2013 400_D - 09/1318 of 32Item Field RangeAccessDescription Set toADJUST60 to 200°F(15.5 to 93.5°C)Default = 180°F(82.0°C)InstallerSETPOINT SECTIO

© 2013 400_D - 09/1319 of 32Item FieldRangeDescriptionMONITOR-76 to 149°F(-60.0 to 65.0°C)OUTDOOR HIGHRecords the highest outdoor temperature since

© 2013 400_D - 09/132 of 32 Table of Contents Installation ...3Preparation ...

© 2013 400_D - 09/1320 of 32Item FieldRangeDescriptionOn or OffDefault = OffUSER TEST TESTINGBegins the test routine which tests the main control’s

© 2013 400_D - 09/1321 of 32Sequence of Operation tekmarNet® System Section AtekmarNet® is a family of products that use communication to operate th

© 2013 400_D - 09/1322 of 32 Domestic Hot Water Tank Operation Section CA DHW Call is required in order for the control to provide heat to a DHW tan

© 2013 400_D - 09/1323 of 32DHW MODE 3 - DHW in Primary / Secondary no PriorityWhen a DHW Call is present, the DHW pump and the boiler system pump

© 2013 400_D - 09/1324 of 32 Setpoint Operation Section DA Setpoint Call is required in order for the control to provide heat to a setpoint load, su

© 2013 400_D - 09/1325 of 32Boiler Maximum -------------------------------- --------------------------------The 400 will operate the boiler so that

© 2013 400_D - 09/1326 of 32Auto Differential -------------------------------- --------------------------------Both on-off and modulating boilers ar

© 2013 400_D - 09/1327 of 32The “$aving” icon is displayed when energy is being saved. The following features reduce energy consumption.Network Sche

© 2013 400_D - 09/1328 of 32TroubleshootingIt is recommended to complete all wiring to ensure trouble free operation. Should an error occur, simply

© 2013 400_D - 09/1329 of 32Error Message DescriptionBOILER DEVICE LOST (b:01 TO b:24)Each tekmarNet® device (thermostat, setpoint control, timer) h

© 2013 400_D - 09/133 of 32 Getting Started Congratulations on the purchase of your new tekmarNet® House Control!This manual covers the complete ins

© 2013 400_D - 09/1330 of 32Symptom Look For...Corrective ActionLCD display is offFuse holderControl power supply has a 24 V (ac) fuse which if blow

© 2013 400_D - 09/1331 of 32Item SettingOUTDOOR DESIGNBOILER TYPEBOILER DESIGNBOILER MINIMUMBOILER MOTORMINIMUM MODULATIONMODULATION DELAYWWSD OCCUP

Limited Warranty The liability of tekmar under this warranty is lim-ited. The Purchaser, by taking receipt of any tekmar product (“Prod-uct”), acknowl

© 2013 400_D - 09/134 of 32The control requires an external transformer. A tekmar Transformer 009 (or 009K which includes a 4”x 4” electrical box) c

© 2013 400_D - 09/135 of 32Zone1234Thermostat LoadZone Valve LoadFloating Action (VA)Control Load (VA)Total Zone Load+ +++ +2Transformer must exceed

© 2013 400_D - 09/136 of 32External Power SupplyIt is strongly recommended that a transformer with an in-line fuse be used in order to protect the t

© 2013 400_D - 09/137 of 32RCLNExpansiontN4 BoilCtN4ModulatingBoiler—+21MenuHouse Control 400Item+ComBoil Out DHWVlvC VlvC VlvCZone 3Zone 1 Zone 2 Z

© 2013 400_D - 09/138 of 32Connect 18 AWG or similar wire to the two terminals provided in the enclosure and run the wires from the 070 to the contr

© 2013 400_D - 09/139 of 32A good quality test meter capable of measuring up to 5,000 kΩ (1 kΩ = 1000 Ω) is required to measure the sensor resistanc