Groen CC20-E Operator's Manual page 139

(Revised 1/02)
Oven Electrical Specifications
115 Volts AC, 60 Hertz, 1-Phase,15 Amps.
Gas Supply Requirement
5.5" W.C. (min) to 14" W.C. (max) for natural gas. 4.5" W.C. manifold
pressure.
12" W.C. (min) to 28" W.C. (max) for propane gas. 10.3" W.C. manifold
pressure.
Gas supply piping must be large enough to provide 190,000 BTU per
hour for each oven. 3/4 in. IPS connection.
Water Line Pressure
30 to 60 PSIG. A pressure regulator is required for water pressure above
60 PSIG.
Drain Connection
Without Drain Box:
1. Drain hose cannot be connected directly to a building drain; there
cannot be any elbows or other restrictions between the oven drain
and the two inch free air gap.
2. Free Air Gap: 2" free air gap required between drain hose and
building drain.
3. Drain Line: 2" ID drain hose between oven and building drain with a
constant downward pitch.
4. Plastic pipe cannot be used for a drain line.
With Drain Box:
1. Drain hose to a building drain can be connected directly.
2. The drain box has an air vent that eliminates the need for an air gap.
3. Do not block the air vent in any way.
4. Do not attach anything to the vent tube or reduce the size of the vent
tube.
CC20-G
Specifications
5-1