E.Alliance SL™ Water Heater (if used). May be used with Intermittent Circulation only.
Refer to Alliance SL™ Installation, Operating and Service Instructions for wiring, piping and additional information.
F.Vent Damper Sequence of Operation. See Figure 28 for schematic wiring diagram.
1.The Vent Damper is continuously powered at Terminal 1.
2.When there is a call for heat, the damper relay coil is energized through Terminal 5 if all limits ahead of the damper are satisfied.
3.The relay coil closes contacts which energize the damper motor, causing the damper to open.
4.When the damper blade reaches the fully open position, power is sent back to the ignition circuit
Table 9: Heat Anticipator Settings
through Terminal 2 and the damper motor is de- energized.
5.When the call for heat is satisfied, the damper relay coil is
POWER FAILURE - The damper blade will stop in the position it was in when power failed. (Combustion can never take place unless the damper blade is in the fully open position).
G.Sequence of Operation and Wiring. Refer to Table 10 for the appropriate control system.
H.Optional
Control System | Heat Anticipator Setting * | ||
Continuous Circulation | Intermittent Circulation | ||
| |||
24V Standing Pilot | 1.1 | 0.3 | |
24V Electronic Ignition | USA: 0.9 | 0.3 | |
Canada: 1.2 | |||
|
| ||
* If room is heated above thermostat temperature setting, reduce heat anticipator setting by 0.1 or
0.2 amps. If boiler short cycles without room reaching desired temperature, increase heat anticipator by 0.1 or 0.2 amps.
35
