Groen CC20-E Operator's Manual page 292

Maintenance
Replacement Procedures
Air Heating Element (Electric Units Only)
Installation
(continued)
CC20-E (Starting with Serial No. C10129MC)
Be careful you don't bend the air heater element during installation.
Remove old gasket material.
1. Apply a light coat of anti-seize lubricant to the heater element threads. Install
heater; then install new fiber washer, flat washer, and nut on each end of
heater element. Do not tighten mounting nuts at this time.
2. Check that the two heater elements are not touching each other and are not
within 1/4 inch of the fan.
3. If heater elements are properly located, tighten mounting nuts. Use a 3/4 inch
deep socket, 1/2 inch drive.
4. Reconnect wires to all heater element terminals. Make sure they are
connected correctly.
5. Install relay and terminal block assembly and tighten mounting screws.
6. Connect electrical wires to the high limit thermostats.
7. Connect the two red wires to the water inlet valve solenoid valves.
8. Install relay board and transformer assembly and tighten mounting screws.
Connect wires to assembly that were disconnected during removal.
9. Install the control panel. See page 8-23.
10. Install right side and center racks in oven chamber.
11. Install right side panel.
When oven power is turned on, there is high voltage present
in the electrical components compartment.
12. Connect oven to the branch circuit and operate oven in Oven mode.
13. Using a clamp-on ammeter, check current flow in one of the wires in each wire
pair A1-A2 (AH1 and AH2), A3-A4 (AH3 and AH4), and A5-A6 (AH5 and AH6).
Current should be approximately 28.0 amps for the 208V unit, 24.3 amps for
the 240V unit, and 12.1 amps for the 480V unit.
14. Shut down oven and install right side cover.
8-48
NOTICE
WARNING
(Revised 1/02)