Honeywell S7800A - Page 38

7800 SERIES S7800A KEYBOARD DISPLAY MODULE
65-009 0-6 38
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Register
40003
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7800 SERlES
Se quen ce
State
String Code


Uses
mm:ss
Bur n er
Control
State
Bits

Lin e
1

Line
2
46 SAFETY 1 102 1

0008h
47 PILOT STAB. 79 0

0008h
48 MAIN TRIAL 68 0

0010h
49 MAIN TRIAL 68 0

0010h
50
STANDBY HOLD:
RUN/TEST
SWITCH
104 98

4002h
51 STATE 51 31 0

A000h
52 STATE 52 31 0

A000h
53 SAFETY 1:
RUN/TEST
SWITCH
102 98

4008h
54 STATE 54 31 0

A000h
55 STANDBY HOLD:
PURGE FAN
SWITCH
104 92

4002h
56 STATE 56 31 0

A000h
57
PURGE HOLD:
PURGE FAN
SWITCH
93 92

4004h
58
STANDBY HOLD
FLAME DETECTED
104 35

4002h
59
STANDBY HOLD
COMB. PRESSURE
104 26
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4002h
60 VP START 210 0

4100h
61 VP MV2 ON 211 0

4100h
62 VP LOW DLY 212 0

4100h
63 VP LOW TST 213 0

4100h
64 VP MV1 ON 214 0

4100h
65 VP HIGH DLY 215 0

4100h
66 VP HIGH TST 216 0

4100h
67
INITIATE HOLD: AC
AC PHASE ERROR
49 10

4001h
68
STANDBY HOLD:
PRE-IGNITION ILK
104 85

4002h
69 SETUP NEEDED 217 0

A000h
70 STATE 70 31 0

A000h
71 BURNER OFF: T6
BURNER SWITCH
22 23

4002h
72
STANDBY HOLD:
(EA) HOLD MSG
184 30

4002h
73 STANDBY HOLD:
(EA) CIRCUIT
FAULT
184 25

4002h
74
STANDBY HOLD
(EA)
184 Varies

4002h
75 PURGE HOLD (EA) 185 Varies

4004h
76 UNUSED 0

0h
77 UNUSED 0

0h
78 UNUSED 0

0h
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Table 20. 7800 SERlES Sequence State Codes
and Associated register code values. (Continued)
Table 20. 7800 SERlES Sequence State Codes
and Associated register code values. (Continued)
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Register
40003
7800
SERlES
Sequence
State
String Code


Uses
mm:ss
Bur n er
Control
S
tate
Bits

Line
1

Line
2
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
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7800 SERIES String Codes
Table 21 contains a listing of all string codes provided by the
S7800. The associated string is not implemented in the S7800;
it is a string equivalent to that displayed on the S7800
Keyboard Display Module or similar device.
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Table 21. 7800 SERlES String codes.
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String Code Str ing
0 (blank)
1 1
2 1-1
3 1-2
4 1-3
5 1-4
6 1-5
7 AC FREQUENCY
8 AC Frequency/Noise
9 AC 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