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7800 SERIES
Honeywell 7800 SERIES User Manual
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65-0120—1
54
Fig. 34—Flush mounting of Keyboard Display Module template.
RM7838B
TROUBLESHOOTING
,
,
M5082A
1/8 DIA. (2)
53
55
Table of Contents
Table of Contents
2
Specifications
3
Table 1-Terminal Ratings
3
Table 2-Flame Detection Systems
4
Fig. 1-Mounting Dimensions of the RM7838B Relay Module and Q7800A Subbase, in In. (MM)
6
Fig. 2-Mounting Dimensions of the RM7838B Relay Module and Q7800B Subbase, in In. (MM)
6
Fig. 3-Mounting Dimensions of the Keyboard Display Module in In. (MM)
7
Fig. 4-Rectification Detectors
7
Fig. 5-Ultraviolet Detectors
8
Fig. 6-Infrared Detectors
9
Principal Technical Features
10
Safety Provisions
10
Installation
12
Fig. 7-Internal Block Diagram of the RM7838B
13
Checkout
15
Communication Interface Controlbus Module
15
Fig. 8-RM7838B Wiring with S445 Start-Stop
16
Fig. 9-RM7838B Wiring with Separate Start-Stop
17
Fig. 10-RM7838B Wiring with Separate Start and Stop Stations with 4 to 20 Ma Firing Rate Control Circuit
18
Fig. 11-Wiring the Keyboard Display Module with
19
Fig. 12-Wiring for Multiple Keyboard Display
19
Fig. 13-Electrical Panel Installation
20
Fig. 14-Wall or Burner Installation
20
Fig. 15-ST7800 Purge Card Installation
20
Fig. 16-Keyboard Display Module Mounting
21
Fig. 17-DATA CONTROLBUS MODULE
21
Mounting
21
Display Module
22
Fig. 19-Flame Signal Amplifier Mounting
22
Fig. 20-Flame Detector Wiring
23
Operation
25
Fig. 21-Operation of the RM7838B Relay
25
Fig. 22-Operation of the RM7838B Relay
26
Module
27
Fig. 23-Keyboard Display Module and Sequence
27
Table 3-Sequence Status Display Information
28
Fig. 24-( ◊ ) SCROLL Pushbutton Function
29
Table 4-Selectable Messages
30
Table 11-Selectable Messages
30
Fig. 26-MODE Pushbutton Function
30
Fig. 27-SAVE Function
30
Table 5-Expanded Annunciator
32
Static Checkout
33
Table 6-Site Configurable Jumper Options
33
Fig. 28-Selectable Site-Configurable Jumpers
33
Table 7-Static Checkout
34
Table 8-Flame Signal
36
Fig. 29-Flame Signal Measurement
36
Fig. 30-Flame-Out Timer Lockout
39
Table 9-Sequence and Status Hold Messages
42
Table 10-Accessing Historical and Diagnostic Selectable Messages
45
Troubleshooting
49
Table 12-Hold and Fault Message Summary
49
Fig. 31-Lockout Message State
49
Fig. 32-Lockout Message State
49
Fig. 33-Lockout Message State 3
49
Table 13-Expanded Annunciator Hold Codes
52
Table 14-Expanded Annunciator Fault Codes
52
Current Status Messages
53
Table 15-Expanded Annunciator Diagnostic
53
Fig. 34-Flush Mounting of Keyboard Display Module Template
54
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Honeywell 7800 SERIES Specifications
General
Model
7800 SERIES
Category
Control Unit
Frequency
50/60 Hz
Approvals
UL, CE
Communication
Communication Interface (Optional)
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