Viking DCH3042 Service Manual page 11

Disassembly
When the unit is installed for exterior venting, a duct connection collar is attached to the hood and
allows connection to external ducting. FIG 9 shows the hood with the vent collar attached for rear
discharge. Notice a back draft damper is built into the collar. FIG 9 also shows the top access
cover is in place
FIG 9
FIG 10
Top discharge access
DAMPER
FIG 10 shows the rear of the hood with the damper removed. Notice the two squirrel wheels in place for rear
discharge
Junction box (for incoming power supply) is located in upper right rear of hood.. Inside the hood a three wire
power cable exits the junction box (Fig 11) and connects to a fixed (male) three prong plug (FIG 12) in the
component compartment of the hood. If the lights and fan are not working, unplug the internal power plug and
check for 120 volts at the female connection shown in Fig 13.
FIG 11
FIG 12
FIG 13
FIG A
120 volt input
Fixed three prong connection
11