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Installation
Utility Connections
HOT AND COLD WATER CONNECTION
NOTE: Hot water maximizes steam production but
is not required. Cold water may be supplied
to both inlets if hot water is not available.
COS-8G and BCS-8G --- Connect the appliance to
quality cold water via a pressure hose with 3/4" cou-
plings. Cold water is connected to the left solenoid/
pressure regulator, as viewed from the rear of the
unit. Hot water connection, right solenoid/pressure
regulator, to the boiler is recommended. Shut off
valves must be provided adjacent to the oven.
COS-8GDS and CNV-8G --- Connect these units
to quality cold water via a pressure hose with 3/4"
couplings.
1/2" appliance hose
With 3/4" hose fittings
Figure 2
Water must meet the following minimum require-
ments:
Total Dissolved Solids (TDS) content will not ex-
D
ceed 30 parts per million.
Water PH must be 7.0 or higher
D
WARNING!!
The use of poor quality water will invali-
date your warranty.
DRAIN CONNECTION
A 2" (5 cm) copper pipe with standard drain pitch
must be run to an open drain or connected to a
standpipe equipped with a vent.
NOTE: The waste water can also be directed to a
nearby floor drain. Flexible hose which al-
lows trapped water to accumulate in
sagged runs must be avoided.
1. Find the drain connections on the lower rear
of the unit.
2. Using the band coupling provided, attach
coupling clamps to the drain connection.
3. Create the drip pan drain connection as
shown. A separate drain connection for the
drip pan is also possible.
NOTE: The open end of the drain should be
installed facing the floor. Copper line used
for installation to an open drain or floor sink
must be supplied by the installer.
CAUTION! Use of an inline trap will cause drain
backup
Plumber supplied
breather vent and tee
Drip pan drain
1" air gap
8
Main drain
Plumber supplied
connection to lower unit
or drain system
Figure 3
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