Install Instructions

18
9. Return other gas-red appliances to previous
conditions of use.
P. Adjust gas input rate to boiler (LP/Propane).
1. Adjust thermostat to highest setting.
2. Check manifold pressure. Adjust gas valve pressure
regulator to obtain 10 inches w.c. manifold pressure.
Adjust gas valve pressure regulator as necessary
(turn adjustment screw counterclockwise to
decrease manifold pressure, or clockwise to increase
manifold pressure). If pressure can not be attained,
check gas valve inlet pressure. If less than minimum
gas supply pressure listed on rating label, contact
gas supplier for assistance.
3. Recheck Main Burner Flame
i. Remove Main Burners per procedure in
Section VIII. Service.
ii. Remove gas orices. Drill one (1) drill size
larger (drill size is stamped on orice, or see
Section IX. Repair Parts).
iii. Reinstall gas orices and main burners.
Measure input rate.
6. Recheck Main Burner Flame.
7. Follow instructions to TURN OFF GAS TO
APPLIANCE. See Figure 16 for intermittent
ignition (EI). Remove manometer.
8. Follow Lighting or Operating Instructions to place
boiler in operation. See Figure 16 for intermittent
ignition (EI). Adjust thermostat to normal setting.
Figure 16: Operating Instructions
VII. System Start-up (continued)