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Vaillant TURBOmax Plus SERIES User Manual

Vaillant TURBOmax Plus SERIES
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80
Check central heating and controls
Ensure that radiator temperature control knob
is set to vertical position and that any internal
timer (if fitted) is calling for heat
Check diagnostic code D.08 (see page
53). Is heating demand present?
No
Is 230 VAC present across terminals 4 and 5
No
External fault: Check all external controls are
calling for heat, replace or repair as necessary
(see also note 1 sheet A)
Yes
Yes
Does failure code show on LCD display?
Disconnect built in timer (if fitted)
No Go to sheet D
Does ignition
commence?
No
Yes
Replace defective
timer
Sheet C
FAULT FINDING

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Vaillant TURBOmax Plus SERIES Specifications

General IconGeneral
CategoryBoiler
ModulationYes
ModelTURBOmax Plus SERIES
Fuel typeNatural gas
MountingWall-mounted
Heating CircuitSingle
Output24kW, 28kW
Warranty2 years (extendable)

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