Operator`s manual

CLEVELAND RANGE
SEQUENCE OF OPERATIONS
CR-32 Rotisserie
(NCC Control)
When using these instructions refer to the CR-32 wiring schematic.
1. To turn the unit on, depress the red on/off rocker switch.
• 120 VAC is sent to red power indicator (switch).
• 120 VAC is sent to cooling fans.
• 120 VAC is sent to combustion blower fan
• The fan turns and the fan prover switch closes.
• 120 VAC sent to pins T1 and T3 on the J3 (3-pin quick-connect) to the Relay and
Motor Board.
• 120 VAC is sent from pin T1 on J3 (3-pin quick-connect) to the normally open
contacts of the K5 relay on the Relay and Motor Board.
• 120 VAC is sent from pin T1 on J3 (3 pin quick-connect) to the normally open
contacts of the K1 relay on the Relay and Motor Board
• 120 VAC is sent to the primary of the computer transformer.
• 24 VAC is sent from the secondary of the computer transformer to pins T2 and T3
on the J2 (12-pin quick-connect) to the Relay and Motor Board.
• Computer displays “SYSTEM INIT” for 5 seconds followed by
• 120 VAC is sent to the primary of the ignition transformer.
• 24 VAC is sent from the secondary of the ignition transformer to:
• Pin T1 on J2 (12-pin quick-connect) and the normally open K2 contacts on the
Relay and Motor Board.
• Pin T8 on J2 (12-pin quick-connect) and the normally open K4 contacts on the
Relay and Motor Board.
• Pin T5 on J2 (12-pin quick-connect) and the normally open K3 contacts on the
Relay and Motor Board.
2. Computer goes into the preheat mode (with the door closed) and displays “PREHEAT XXX”
(XXX is the oven temp)
• The K2 relay on the Relay and Motor Board closes and 24 VAC is sent from pin T9 on J2
(12-pin quick-connect) on the Relay and Motor Board to the vent solenoid closing it.
• The preheat program tells the Relay and Motor Board to send 85 VDC from pins T4 and
T7 on J2 (12-pin quick-connect) to the drive motor
• The motor turns the drive system at 3 RPM.
• The K3 relay on the Relay and Motor Board closes sending 24 VAC from pin T12 on
J2 (12-pin quick-connect) on the Relay and Motor Board to the ignition module.
• Ignition module sends spark to the igniter.
• Ignition module sends 24 VAC through the fan prover switch to the pilot coil and
gas is sent to the pilot.