Burnham 1100-H4 用户手册

  Operating Instructions.

1.  Follow Operating Instructions to place boiler in 

operation.  See Figure 36.

2.  Electronic Ignition Modules with LED indicators.  

Table 10 cross-references the ignition module 

terminal designations to the ignition terminal 

Ignition Module

Terminal Designation

Wiring Ladder Diagram 

Terminal Number

MV

1

MV/PV

2

PV

3

GND

4

24V (GND)

5

24V

6

SPARK

9

Yellow LED 

Flash Code

a

Indicates

Recommended Service Action

Heartbeat

Normal Flame Signal

N/A

2

                     Weak Flame Signal - 

System will operate reliably but flame signal is 

less than desired.

Note:  This indication may flash temporarily 

during or shortly after lightoff on some appli-

cations.

Perform routine maintenance to 

assure optimum flame signal.

1

Marginal Flame Signal (less than 1.1 µA) -

System may not operate reliably over time.  

Service call recommended.

Note:  This indication may flash temporarily 

during or shortly after lightoff on some appli-

cations.

Check gas supply, pilot burner, flame 

sense wiring, contamination of flame 

rod, burner ground connection.

OFF

No Flame or Flame Signal -

below minimum threshold for system

        operation.

N/A

a

Flash Code Descriptions

-   Heartbeat:  Constant ½ second bright, ½ second dim cycles.
-   The flash code number signifies that the LED flashes X times at 2Hz, remains off for two 

seconds, and then repeats sequence.

numbers in the wiring ladder diagrams.  The yellow 

LED indicates the status of the flame, see Table 11.  

The green LED indicates the status of the system, 

see Table 12.  See Figure 37 for LED locations.  See 

Figure 38 for Troubleshooting Guide.