Despatch S Type - Manual (Page 10)

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location.
25.
Secure lap joints with self-drilling sheet metal screws.
26.
Position perforated or louvered air discharge supply duct faces end to end, referring to
assembly drawing for dimensions and using 3' level , level ducts. Fasten ducts to
sidewall panels with self-drilling sheet metal screws. See Illustrations #9 and #11 for
details.
27.
Supply/discharge opening settings can be made later after fan is operating. See step 38.
28.
Anchor heater box support columns.
29.
Connect exhaust duct or exhaust fan and damper linkage to oven. Mount inside exhaust
baffle plate over exhaust opening (small opening in ceiling). Refer to oven damper
linkage picture reference in this manual showing exhaust damper set-up, or detail
drawings if linkage is complicated. Refer to pages 81, 82, 83 and 84.
30.
Refer to door and front installation in manual.
Options are as follows:
· "S" Type Oven Front and Swing Door installation
· "S" Type Oven Vertical Lift Door Installation
31.
If a Descrete poured insulated floor is used, set tracks (if used) into position, referring to
end elevation of oven assembly drawing for dimensional data and check these
dimensions with the truck that will be used on the job. Then pour floor. Refer to mixing
and curing instructions included in this manual. Purchaser to furnish all Portland cement
required, as due to spoilage, it is not practical to ship Portland cement with oven.
32.
Carefully locate and mount control and high limit thermocouple (refer to oven assembly
drawing for location) and fasten to supply duct face. See detail Illustration #13 and #14.
Do not kink. Avoid bends with a radius smaller than 1". See Illustration #14.
33.
On electric models, make electric service connections, referring to electrical drawings for
connection points and total load amperage. On gas models, make electrical and gas
connections, referring to electric and piping drawings. On gas models, a manual shut-off
valve immediately ahead of burner piping is required.
34.
For exhaust fan locations refer to the assembly drawing. Smaller direct drive exhaust
fans mount directly over oven panel exhaust opening and exhaust fan is fastened to roof
panel with self-drilling sheet metal screws. Larger belt driven exhaust fans will mount to a
structural base which sets on top of the oven. Holes must be drilled into the heater box
side for mounting base steel and fastened or welded to the oven roof flashing at the
opposite end. Refer to pages 81, 82 and 83.
35. Large exhaust fans require an inlet duct assembly which sets in the roof opening and
laps over the exhaust fan inlet collar. Refer to page 83.
36.
Field mounting of the inside exhaust baffle is required. Refer to pages 81, 82 or 83 for
further detail and mounting instructions.