Rapid 2005 - SECTION 20: MAINTENANCE

B-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL
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FIGURE 74: RM7890 Flame Control (2010 and 2010B)
G
L2
3
4
5
6
7
8
9
10
F22
21
20
19
18
17
16
15
14
13
12
LINE VOLTAGE ALARM
BURNER CONTROLLER /
LIMITS
INTERMITTENT PILOT /
IGNITION
MAIN VALVE
IGNITION
FLAME DETECTOR
PRE-IGNITION INTERLOCK
L1
L2
MASTER
SWITCH
LED Display
Initiate
(Initial
Powerup
Only)
Standby Safe-Start
Pilot Flame
Establishing
Period
(10 Sec)
Main Flame
Establishing
Period
Run Standby
 Power




 Power




 Power




 Power
 Pilot
 Flame
 Main
 Alarm
 Power
 Pilot
 Flame
 Main
 Alarm
 Power
 Pilot
 Flame
 Main
 Alarm
 Power




Burner Start
Ignition 
Intermittent Pilot 
Main Valve 
Operating Controller and Limits
Limits and Burner Control Closed 
Flame Signal Safe Start Check Flame Proving SSC
Preignition Interlock (PII) PII