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Mestek BMS Instruction Manual

Direct vent space water heater

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5-41-5
BMS & BTS

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Summary of Contents for Mestek BMS

  • Page 1 5-41-5 BMS & BTS...
  • Page 3: Maintenance

    Hazards and Your Safety - Hot Water Can Scald! If there is a smell of gas: If there is a smell of combustion products: Installation, alterations Explosive products or easily inflammable products Maintenance Servicing Manual...
  • Page 14 1050 1.3' 1.7' 2.2' 2.7'...
  • Page 17 K = Screws provided L = Inner pipe M = Screws provided...
  • Page 18 N = This position shall be respected O = Discharge grid P = Intake grid...
  • Page 44 summer, winter...
  • Page 46 summer, winter...
  • Page 47 5J=HJ Turn power switch to the ON position Verify the connections to the main electrical supply Switch diode should be lit ! and check the fuse on the control board The fan will not start. Turn the heater temperature control - Check if the DL8 diode is lit (transformer lamp control).
  • Page 48 The pump switch is in winter mode The light of the pump-switch is not on. - Check if the heater temperature control is set at a minimum of 140°F (60°C). If is already up to 140°F (60°C) replace the Is the heater temperature (shown heater temperature control.
  • Page 49 PROBLEMS CAUSES CHECKS (IF NECESSARY) REMEDIES (IF NECESSARY) the pilot light of power switch is off there isn’t electrical supply check the electrical supply level restore the electrical supply the fuse doesn’t work check the fuse replace the fuse the power switch is off check that the power switch is on turn the power switch on the power switch doesn’t work...
  • Page 50: What To Do When

    What to do when: the smell of gas is present- the heater is heating up but the system stays cold- water is leaking from the domestic water side-...

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