User Guide
4
4. Flame Rollout Switch See Figure 2. A device
which automatically interrupts boiler operation
when ames or excessive heat are present in the
vestibule. The control is a single use device. Do not
attempt to place boiler in operation if control was
activated to interrupt boiler operation. Contact a
qualied service agency.
5. Intermittent Ignition System See Figure 1. The
Electronic Ignition (EI) System consists of:
a. an ignition module to initiate, monitor and stop
burner operation.
b. a combination gas valve to regulate gas ow to
burners.
c. a pilot burner to provide the ignition source for
main burners.
6. Continuous Ignition System (Standing Pilot) See
Figure 1. The Continuous Ignition System consists
of:
a. a combination gas valve to regulate gas ow to
burners.
b. a constant burning pilot burner to provide the
ignition source for main burners.
c. a thermocouple to sense pilot burner ame and
cause combination gas valve to turn off main
burner and pilot burner gas ow should pilot
burner ame extinguish.
Figure 2: Flame Rollout Switch
Figure 3: Jacket Front Panel Removal
B. Instructions to place boiler in operation and to turn
off boiler are shown on the Lighting or Operating
Instruction label posted on the inside of the front
removable door. See Figure 3 for front door removal
instructions. The Lighting/Operating Instructions are
also shown in Figures 4, 5 and 6. The boiler model
number is printed on the rating label (see Figure 1).