Casablanca Fan Company HM 101 manual User Guide, Using the Boiler, Understanding the control panel

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USER GUIDE

USING THE BOILER

Your system should be serviced at least once a year by a qualified engineer.

If the boiler is subject to heavy use, it may require servicing more than once a year - consult your service engineer for advice.

Starting the burner:

In normal operation, the burner starts automatically whenever the boiler temperature falls below the set temperature.

Understanding the control panel

Summer/winter switch

MCBA controller - display

On/off switch

Combined temperature and pressure gauge

There are no user parts inside the control panel.

Heating system pressure

From time to time you may need to top up the heating system pressure. This pressure is indicated by the combined temperature and pressure gauge on the boiler control panel.

The minimum pressure when the boiler is cold should be 1 bar. The precise operating pressure required depends on the height of the building, and your installer will have informed you of this value at the time of installation (see

Commissioning Section - Filling the hot water and heating circuits).

If the pressure falls below 1 bar, the boiler water pressure switch will turn the boiler off until pressure is restored.

To re-pressurise, the system needs to be topped up with water.

First, switch the boiler OFF on the on/off switch and isolate the external electrical supply. Then remove the casing top front panel by pulling it forward. The filling valves “A” and “B” can now be seen. Open both valves and allow the system to fill. When the combined temperature and pressure gauge shows the required pressure, close both valves. Replace the casing top front panel. Restore the power supply and switch the boiler on.

Safety Valves

If water discharges from any of the safety valves, switch the boiler off and call a service engineer.

A

B

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Contents HeatMaster Index IntroductionDescription Construction FeaturesOperating Principle Description Technical Specification DimensionsGeneral Features TypeMaximum Operating Conditions Heatmaster Control SettingsDomestic HOT Water Performances Boiler Room InstallationChimney Connections Balanced flue boiler connection type C 120HOT Water Connections Expansion Heating ConnectionExample of a single circuit connection Power supply SafetyAlarm module Electrical ConnectionHeatMaster 71/101 and burner wiring diagram legend 10 11Burner Features CommissioningFilling the HOT Water and Heating Circuits ACV BG 2000-M Modulating Premix GAS BurnersGas category 71/101 Gas burner featuresBG 2000-M/71 BG 2000-M/101 Maintenance Using the Boiler Safety ValvesUser Guide Understanding the control panelControl Settings Standby ModeChanging the Mcba settings Parameter mode Temperature measurement display Info modeTable of error codes and corrective action Safety shutdownTo reset the system Service Record Installation DetailsWorld.com

HM 101, HM 71 specifications

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