Submittal Sheet

7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE
32-00110—05 62
7800 SERIES String Codes
Table 23 contains a listing of all string codes provided by
the S7800 Keyboard Display Module or similar device.
79 UNUSED 0 0h
80 UNUSED 0 0h
81 STANDBY HOLD
(EA): VALVE
CLOSURE
184 109 4002h
82 STANDBY HOLD
(EA) OTHER PII
184 75 4002h
Table 21. 7800 SERIES String codes.
String Code String
0(blank)
11
21-1
31-2
41-3
51-4
61-5
7AC FREQUENCY
8AC Frequency/Noise
9AC LINE DROPOUT
10 AC PHASE
11 ACCESSORY FAULT
12 AIRFLOW SW. ON
13 AIRFLOW SWITCH
14 ATOMIZING SW
15 AUX INTERLOCK #4
16 AUX INTERLOCK #5
17 AUX LIMIT #1
18 AUX LIMIT #2
19 AUX LIMIT #3
20 BLOCK INTAKE
21 BOTH FUELS SELECT
22 BURNER OFF
23 BURNER SWITCH
24 CALL SERVICE
25 CIRCUIT FAULT
26 COMB. PRESSURE
27 CONTROL ON
28 DELAYED MV ON
29 DEVICE SPECIFIC
30 EA HOLD MESSAGES
Table 20. 7800 SERIES Sequence State Codes
and Associated register code values. (Continued)
Register
40003
7800 SERIES
Sequence
State
String
Code
Uses
mm:ss
Burner
Control
State
Bits
Line
1
Line
2
31 UNKNOWN STATE
32 FLAME AMP TYPE
33 FLAME AMP/SHUTR
34 FLAME AMPLIFIER
35 FLAME DETECTED
36 FLAME TOO STRONG
37 FLAME-OUT TIMER
38 FUEL SELECT OFF
39 HIGH FIRE JUMPERED
40 HIGH FIRE SWITCH
41 HIGH GAS PRESSURE
42 HIGH LIMIT
43 HIGH OIL PRESSURE
44 HIGH OIL TEMP
45 HOLD SWITCH
46 iGNITION
47 IGNITION ON
48 INITIATE
49 INITIATE HOLD
50 JUMPERS CHANGED
51 JUMPERS WRONG
52 LOCKOUT
53 LOCKOUT ILK ON
54 LOCKOUT INTERLOCK
55 LOCKOUT SWITCH
56 LOW FIRE JUMPERED
57 LOW FIRE SW OFF
58 LOW FIRE SWITCH
59 LOW GAS PRESSURE
60 LOW LINE VOLTAGE
61 LOW OIL PRESSURE
62 LOW OIL TEMP
63 LWCO
64 MAIN FLAME FAIL
65 MAIN FLAME IGN.
66 MAIN IGN
67 MAIN IGN HOLD
68 MAIN TRIAL
69 MAIN VALVE ON
70 MAN-OPEN SW. OFF
71 MAN-OPEN SW. ON
72 MAN-OPEN SW.
73 NO PURGE CARD
74 OTHER INTERLOCKS
75 OTHER PREIGN ILK
76 PILOT FLAME FAIL
Table 21. 7800 SERIES String codes. (Continued)
String Code String