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Type CM2, 400 to 620 kW
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■Codes of practice of the relevant trade
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Auxiliary components, spare and
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Commissioning, inspection, maintenance
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The appliance is only intended to be
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Checking the high limit safety cut-out setting
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Checking the gas type
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Conversion to natural gas E
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12. Check all fittings for tightness.
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6. Press button S E to confirm. If
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Conversion to LPG P
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Rated heating output
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8. Press button R G.
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01. Press button S E for longer than
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Each time the burner is restarted the set-
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1. Check the heating system pressure.
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8. Check the function of the neutralising
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Supply pressure (flow pressure)
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5. Check the position of the rotary
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A Compensation hose
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Checking the CO2 content
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Rated heat input
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2. Check the CO2 content at the flue
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05. Press S. "3" is shown under Status,
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2. Remove front panels and side panel
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3. Unhook the front panel with clips at
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4. To remove the side panel (on the side
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Opening the boiler door
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Only use plastic brushes, not wire
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2. Separate hose C to the neutralising
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Checking for tightness on the flue side
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Checking the burner gauze assembly
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Fitting the fan
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1. Plug burner cable fA and KM BUS
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1. Insert new gaskets in all gas fittings
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Checking the water quality
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2. If the pre-charge pressure of the
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Fan pressure monitoring function (LDW1)
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Display and programming unit
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Idle state check
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Operation with flame
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Safety shutdown due to reaching
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Menu points "5" and "6" are used to
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Example: to configure the motorised flue
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for lower heating output,
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The fault display is activated automati-
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to scroll through the fault mem-
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Burner control unit in
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Type of coding card
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No flame formation
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Air pressure switch
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Varying fan speed
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Internal system fault
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Input not assessed
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Description of state:
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A Burner control unit VUC 310
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N Air pressure switch 2
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X Plug 150, HLSC-HLSC
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Flue gas temperature sensor
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The power cable must be protected. The
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A Burner frame
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O Ionisation electrode
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Vitotronic 300, type GW5B
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The following information is required:
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0001 Flue gas collector
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0017 Control unit fascia
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0001 Cylinder burner
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0003 Burner gauze assembly with gas-
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Setting and test values
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Observing the following requirements is
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■In systems > 50 kW, install a water
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Where chemicals are used as part of the
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Gas boiler, category II2ELL3P
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Gas restrictor dimensions
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Operating parameters, changing ......53
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5794 780 GB
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Hortonwood 30, Telford
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