Flue Systems - andrews OFS25 Installation Manual, Operation And Service Manual

INSTALLATION
Assembly of Draught Stabiliser Approx Height
Flue kit 6"
E013
OFS25 = 1949mm
OFS29 = 2000mm
The flue should provide a negative pressure at the base of the flue between -1.1mm
(0.03"w.g) and -2.00mm (0.06"w.g.). The flue route should be as vertical as possible.
A draught stabiliser is supplied with the heater (see Figs. 2 & 3).
Assembly of Draught Stabiliser Approx Height
Flue kit 8"
C916
OFS63 = 1739mm
OFS90 = 1739mm
OFS108 = 2307mm
OFS163 = 2307mm
Fit the flue tee c/w draught stabiliser to the outlet spigot of the water heater
(see Figs. 2 & 3).
Tee with draught stabiliser
fitted
Spigot Adaptor
Heater Outlet Spigot
Crimped Adaptor
Tee with draught stabiliser
fitted
Spigot Adaptor
Heater Outlet Spigot
Crimped Adaptor
SECTION 3
FLUE
SYSTEMS
Fig. 2
Fig. 3
9