Branch Duct Spigot 55500304; Fitting The Kit - Marstair CC 875 Technical Manual

BRANCH DUCT SPIGOT 55500304

This kit provides an air discharge into an adjacent room for all CC875 ceiling cassettes.
ITEM QTY
1 1
2 2
This kit MUST be fitted prior to installing the unit.
CHASSIS REMOVAL
1. Remove the external electrics box cover.
2. On 'L' and 'E' units, unclip the receiver pcba (Fig. 1). Also remove the
return air sensor from the fan guard.
3. Release the internal electrics tray (two screws (Fig. 1)); Remove the fan
cowl (4 screws).
4. Move the internal electrics tray to allow removal of the four chassis
retaining screws.
5. Remove the moulded chassis.

FITTING THE KIT

1. Using a small saw blade, carefully cut around the 'U' shaped depression in the side wall of the chassis (area
shaded in Fig. 2). Remove any loose beads of material from the edges
2. Secure the spigot to the metal top plate using the two No. 10 screws (Fig. 3).
3. Install the unit on the suspension brackets.
4. Replace the moulded chassis, making a good seal around the spigot.
5. Fit all the removed components.
Fig. 2.
Tel: 01823 665660
Heronhill - for all your Marstair requirements
DESCRIPTION
Spigot 150mm diameter
Screw No. 10
www.heronhill.co.uk
Fig. 3.
57
Fig. 1.
Fax: 01823 665807