VENT DAMPER OPERATION
For safe, efficient operation, the vent damper and all
Check vent damper operation as follows:
1. When the boiler is off, check that the vent damper position indicator points to the closed position, below.
DAMPERPOSITION | DAMPERPOSITION |
INDICATOR | INDICATOR |
NOTE: To place vent damper in the open position to allow burner operation:
Turn the power off. Turn the damper blade to fully open position (arrow facing same direction as vent pipe). Turn power on.
DAMPER OPEN | DAMPER CLOSED | Fig. # 8181.0 |
VENT DAMPER POSITION INDICATOR
2.Turn the thermostat or controller up to call for heat and check that the vent damper indicator points to the open position, above.
3.Turn the thermostat or controller down again and check that the vent damper position indicator returns to the closed position.
THE VENT DAMPER MUST BE INSPECTED AT LEAST ONCE A YEAR BY A TRAINED, EXPERIENCED
SERVICE TECHNICIAN. THE NAME OF THE PERSON WHO ORIGINALLY INSTALLED YOUR VENT DAMPER IS SHOWN ON THE INSTALLATION LABEL. DAMPER MUST BE IN OPEN POSITION WHEN BOILER MAIN BURNERS ARE OPERATING.
FLAIR DAMPER |
|
SYSTEM SCHEMATIC | LEGEND |
LADDER DIAGRAM
|
| R |
|
|
|
| R2 | SS2 | ES |
| SC |
| SS 1 | |
|
| R1 |
|
|
|
|
| JUMPER | |
|
| M |
|
|
| 1 | 2 | 3 | 4 |
| GV | HL |
|
|
|
|
| TH | |
| 24 VAC |
|
| |
|
| TR |
|
|
| 120 VAC |
|
| |
L | 60Hz | L |
|
|
| 1 | 2 |
|
|
M - Damper motor R - Relay
ES - End switch
SS1 - N/C Safety switch SS2 - N/O Safety switch contacts
TR - Transformer 120/24V HL - High limit
GV - 24V gas valve
TH - Thermostat, heating, low voltage
J - Jumper
Note: Circuit shown with damper in closed position, no call for heat.
Fig. #9002
24 | V | AC |
|
TH | R |
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|
|
|
| |
2 |
|
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4 |
|
| GV |
|
| SS | |
3 | J | HL | |
| 1 | ||
ES |
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|
|
| SS | R |
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| 2 | 2 | SC |
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|
| |
M |
|
| R 1 |
|
|
|
Fig. #9003
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