Tekmar 538 Thermostat Installation User Manual

tekmarNet®4 Thermostat 538Installation & Operation ManualD53812/11ZoningReplaces:08/101 of 24 © 2011 D 538 - 12/11The tekmarNet®4 Thermostat 538

10 of 24© 2011 D 538 - 12/11Display Range Access Description Set to°F or °CDefault = °FInstallerUserTEMPERATURE UNITSPress the or the button to

11 of 24 © 2011 D 538 - 12/11Display Range Access Description Set toOff, 40 to 122°F(Off, 4.5 to 50.0°C)Default = 72°F (22.0°C)InstallerUserSET FLO

12 of 24© 2011 D 538 - 12/11Display Range Access Description Set to40 to 122°F, Off(4.5 to 50.0°C, Off)Default = 85°F(29.5°C)InstallerFLOOR MAXIMUM

13 of 24 © 2011 D 538 - 12/11Display Range Access Description Set toH1H1ADJUSTADJUSTSUPPLYOFF or OnDefault = OFFInstallerHEAT SUPPLY PUMP DELAYDuri

14 of 24© 2011 D 538 - 12/11Display Range Access Description Set toOff, Room, Outdoor, Floor, Floor dSPInstallerAUXILIARY SENSORSelect the type of

15 of 24 © 2011 D 538 - 12/11Heating OperationSection ASequence of OperationWhen using only a room temperature sensor, the thermostat operates the

16 of 24© 2011 D 538 - 12/11If the thermostat operates a thermal motor (wax actuator) zone valve, set the Heat Supply Pump Delay setting to On. Thi

17 of 24 © 2011 D 538 - 12/11SchedulesSection DLowering the room temperature setting reduces the amount of fuel required to heat the building resul

18 of 24© 2011 D 538 - 12/11TroubleshootingError Messages (1 of 4) Error Message DescriptionCONTROL ERRORThe thermostat was unable to correctly rea

19 of 24 © 2011 D 538 - 12/11Error Messages (2 of 4)Error Message DescriptionADDRESS ERRORThis thermostat and another device have been manually giv

2 of 24© 2011 D 538 - 12/11Congratulations on the purchase of your new tekmar thermostat.This manual will step through the complete installation, p

20 of 24© 2011 D 538 - 12/11Error Message DescriptionFLOOR SENSOR SHORT CIRCUITThe auxiliary floor sensor has a short circuit. Check for damaged wi

21 of 24 © 2011 D 538 - 12/11Error Message DescriptionAUXILIARY ROOM SENSOR SHORT CIRCUITThe auxiliary room sensor has a short circuit. Check for d

22 of 24© 2011 D 538 - 12/11Symptom Look for... Corrective ActionNo HeatH1 SymbolH1 symbol indicates heat is on. Check if zone valve or zone pump i

23 of 24 © 2011 D 538 - 12/11Technical DatatekmarNet®4 Thermostat 538; One Stage HeatPackaged weight 0.8 lb. (380 g)Enclosure White PVC plastic, NE

tekmar Control Systems Ltd., Canadatekmar Control Systems, Inc., U.S.A.Head Office: 5100 Silver Star RoadVernon, B.C. Canada V1B 3K4(250) 545-7749 Fa

3 of 24 © 2011 D 538 - 12/11Choose the placement of the thermostats early in the construction process to enable proper wiring during rough-in.Consi

4 of 24© 2011 D 538 - 12/11If a switch box was not used, mount the thermostat directly to the wall.Feed the wiring through the openings in the back

5 of 24 © 2011 D 538 - 12/11Mounting the ThermostatTo place the thermostat back on the mounting base:Place thermostat bottom tabs on matching mount

6 of 24© 2011 D 538 - 12/11Switch SettingsSwitches are set to “On” position from the factory, and do not require changing for most applications.12

7 of 24 © 2011 D 538 - 12/11SECONDARY DISPLAYMAIN DISPLAYHEATHeat is turned on.SUNOperating at the occupied (day) temperature.MOONOperating at the

8 of 24© 2011 D 538 - 12/11Settings (1 of 7)Display Range Access Description Set to40 to 95°F(4.5 to 35.0°C)Default = 70°F (21.0°C)InstallerUserSET

9 of 24 © 2011 D 538 - 12/11Settings (2 of 7)Display Range Access Description Set to40 to 122°F(4.5 to 50.0°C)Default = 72°F (22.0°C)InstallerUserS