95 750-265
R7910A pump status codes are contained in Table 41.
4 Prepurge - Drive to Purge Rate
5 Prepurge - Measured Purge Time
6 Prepurge - Drive to Lightoff Rate
7 Preignition Test
8 Preignition Time
9 Pilot Flame Establishing Period
10 Main Flame Establishing Period
11 Direct Burner Ignition
12 Run
13 Postpurge
14 Lockout
255 Safety Processor Offline
Table 41. Pump Status Codes.
Status Description Note
0 Unknown
1 Not connected
2 Not Lead Lag master
3 Pump A Off
4 Pump B Off
5 Pump C Off
6 Pump A Off - Anticondensation (CH demand)
7 Pump B Off - Anticondensation (CH demand)
8 Pump C Off - Anticondensation (CH demand)
9 Pump A Off - Anticondensation (DHW demand)
10 Pump B Off - Anticondensation (DHW demand)
11 Pump C Off - Anticondensation (DHW demand)
12 Pump A Off - Anticondensation (LL demand)
13 Pump B Off - Anticondensation (LL demand)
14 Pump C Off - Anticondensation (LL demand)
15 Pump A On - Slave overrun
16 Pump B On - Slave overrun
17 Pump C On - Slave overrun
18 Pump A On - LL master overrun
19 Pump B On - LL master overrun
20 Pump C On - LL master overrun
21 Pump A Off - Start delay (DHW demand)
22 Pump B Off - Start delay (DHW demand)
23 Pump C Off - Start delay (DHW demand)
24 Pump A On - CH demand
25 Pump B On - CH demand
26 Pump C On - CH demand
27 Pump A On - CH frost protection
Table 40. Burner Control States. (Continued)
State Name