Rheem HE119-130LP Use And Care Manual page 17

ECO/VENT
24
LINE
SWITCH
VAC
K1
COMB
BLOWER
K5
IGNITER
ELEMENT
CONTROL
HEALTH
4. Pressure Switch Closes,
Pre-purge Cycle Starts
ECO/VENT
24
LINE
SWITCH
VAC
K1
COMB
BLOWER
K5
IGNITER
ELEMENT
CONTROL
HEALTH
6. Burner Light-off
ECO/VENT
24
LINE
SWITCH
VAC
K1
COMB
BLOWER
K5
IGNITER
ELEMENT
CONTROL
HEALTH
8. End Call for Heat
Start Post-purge Cycle
STATUS INDICATIONS UNDER NORMAL OPERATING CONDITIONS
K3 K4
PRESSURE
GAS
GAS
SWITCH
VALVE
VALVE
RLY 2
RLY 1
GAS
VALVE
K1
K5
CONTROL
K3
ELECTRONICS
K4
WATER
TEMPERATURE
K3 K4
PRESSURE
GAS
GAS
SWITCH
VALVE
VALVE
RLY 2
RLY 1
GAS
VALVE
K1
K5
CONTROL
K3
ELECTRONICS
K4
WATER
TEMPERATURE
K3 K4
PRESSURE
GAS
GAS
SWITCH
VALVE
VALVE
RLY 2
RLY 1
GAS
VALVE
K1
K5
CONTROL
K3
ELECTRONICS
K4
WATER
TEMPERATURE
LINE
K1
COMB
BLOWER
K5
IGNITER
ELEMENT
5. Igniter Element Warmup
LINE
K1
COMB
BLOWER
K5
IGNITER
ELEMENT
7. Water Heating
LINE
K1
COMB
BLOWER
K5
IGNITER
ELEMENT
9. End of Sequence, Idle State
17
K3 K4
PRESSURE
ECO/VENT
GAS
24 GAS
SWITCH
SWITCH
VALVE
VALVE
VAC
RLY 2
RLY 1
GAS
VALVE
CONTROL
ELECTRONICS
WATER
CONTROL
TEMPERATURE
HEALTH
K3 K4
PRESSURE
ECO/VENT
GAS
24 GAS
SWITCH
SWITCH
VALVE
VALVE
VAC
RLY 2
RLY 1
GAS
VALVE
CONTROL
ELECTRONICS
WATER
CONTROL
TEMPERATURE
HEALTH
K3 K4
PRESSURE
ECO/VENT
GAS
24 GAS
SWITCH
SWITCH
VALVE
VALVE
VAC
RLY 2
RLY 1
GAS
VALVE
CONTROL
ELECTRONICS
WATER
CONTROL
TEMPERATURE
HEALTH
K1
K5
K3
K4
K1
K5
K3
K4
K1
K5
K3
K4