Groen CC20-E Operator's Manual page 7

CC10-E
Sequence Of Events
Prior to Serial Number C7439MS
5. When boiler water reaches "ready" temperature, relays K1, K3, and K4
deenergize and water heating elements turn off.
6. Relay K2 remains energized.
7. K5 energized. BH1 and BH2 are turned on.
8. K14 energized and condensate spray valve opens.
9. Relays K9, K10, K11, and K12 energize. Air heating elements turn on.
10.When oven temperature reaches the temperature set point, relays K9, K10,
K11, and K12 de-energize. Air heating elements turn off.
Relay Operation Summary
1. K15 and K13 energized. (Drain and Fill)
2. K6 energized. (Fan)
3. K1 through K4 energized. (High Water)
4. K13 de-energized. (Fill)
5. K1, K3, and K4 de-energized. K5 energized. (High Heat to Low Heat)
6. K9 through K12 energized. (High Air)
7. K9 through K12 de-energized. (High Air)
Oven Mode (Prior to Serial Number C7439MS)
Refer to the Oven mode circuit diagrams on page 2-15 and/or the schematic
diagrams on pages 2-16 and 2-17 for the following sequence of events.
1. Relay K6 energized. Fan motor turns on.
2. Relays K9, K10, K11, and K12 energize. Air heating elements turn on.
3. When oven temperature reaches the temperature set point, relays K9, K10,
K11, and K12 de-energize. Air heating elements turn off.
Relay Operation Summary
1. K6 energized. (Fan)
2. K9 through K12 energized. (High Air)
3. K9 through K12 de-energized. (High Air)
2-4
(Revised 1/02)