Froling FHG 20 - 3.5 Installing the FHG

Boiler Installation
Boiler Assembly
Froling GmbH, Industriestrasse 12, A-4710 Grieskirchen, Austria Page 23
www.froling.com M1060008_US
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3.5 Installing the FHG
3.5.1 Installing the flue gas pipe nozzle
 Place the ceramic fiber gasket in
position
 Position the flue gas pipe nozzle and
attach it using the pre-installed
spacer washers and nuts
 Caution: ½" sleeve must point to the
left as viewed from the rear of the
boiler.
3.5.2 Install the pneumatic rods for the primary and secondary air
For both pneumatic rods:
 Remove the split pin opposite the spring and pull off one of the air
flaps.
Right-hand actuators
 The hex head bolt (1) in the above picture must be used on the other
side.
 Unscrew the stop screws on the right-hand side of the boiler far
enough to allow the air flap to make contact with the thread.
 Insert the pneumatic rod at the left-hand side of the boiler
 The flap with the spring (2) must be at the left-hand air duct.
 Position the flaps on the opposite side
 Caution: Install the flaps in the same
position.
 Secure the flaps with the split pins
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1
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