Nu-Way MGN 2800N, Инструкция по установке и обслуживанию

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MGN 2800N HP 24
Burner Fails To Establish Main Flame
Check:
• The low flame hold link has been refitted.
• The gas valves are operating correctly.
• The combustion air is set correctly.
• There is sufficient gas.
• The control box is not faulty.
Burner Motor Only Runs Continuously
Check:
• That the air damper motor is correctly wired.
• That the air damper motor is not faulty.
Replacement Of Air/Gas Ratio Controller
Should the above valve require replacing due to mechanical or electrical failure, then the burner will
require re-commissioning to restore the proper combustion and performance values. It is essential
that replacement of this component and re-commissioning of the burner be undertaken only by
qualified combustion engineers.
Incorrect Rotation Of Burner Motor
The fan motor rotates anti-clockwise viewed from the cooling fan end. If the burner motor rotation is
incorrect interchange any two phases. In normal circumstances, this will correct the rotation.
Motor & Fan - Removal
Should the motor or combustion air fan need replacing the following procedure can be followed.
Disconnect the gas valve train multi-pin plug from the socket on the control package. Remove the
retaining screw securing the control package to its mounting bracket. Lift the complete control
package from the mounting bracket and rest it on the gas valve train. All securing studs, fixing nuts,
and bolts on the motor mounting flange are readily and easily accessible.
S
ERVICE
& R
EPLACEMENT
Nu-way Ltd Parts & Components Division carry a comprehensive stock making up the burner
systems described in this handbook. Should it become necessary to order replacement parts, it is
important to quote the burner model, specification and serial numbers to ensure correct expedition of
your order.
Nu-way Ltd is able to offer ‘on site’ Commissioning, Service and Repair through its worldwide network
of authorised distributors and sales offices. Please contact the Nu-way Service Department for further
information.