229965370 Owner’s Manual

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GAS VALVE SAFETY SHUTDOWN TEST

With main burners firing,disconnect the ign_on cable

from the intermittent pilot control box. The gas valve

should shut off the main burners. TURN OFF

ELECTRIC POWER to boiler before reconnecting

ignition cable, to prevent electric shock,

ADJUST PILOT BURNER

1. Remove screw cover over pilot adjusting screw.

2. Insert small screwdriver and adjustflame as needed.

(Fig. 14). Turn screw counterclockwise to increase

flame, clockwise to decrease (Fig. 15).

3, Replace screw cover over pilot adjusting screw.

MAIN BURNER(S)

The main burners do not require primary air

adjustment and are not equipped with primary air

shutters. Main burner flames should form sharp

blue inner cones in a softer blue outer mantel, with

no yellow. Puffs of air from blowing on the flame or

stamping on the floor will cause the flames to turn

orange momentarily. This is not unusual. Remain

still when observing the main burner flames. If the

flame appearance is not correct, check main burner

orifices and the burner throat and flame ports for

dust and lint obstruction. It may be necessary to

remove the rolloutshield to observe the main burner

flames. Replace rollout shield after observation.

Refer to Figure 16.

ADJUST LIMIT CONTROLS

Instructionsforeachcontrolareincludedwiththecontrols

RECOMMENDEDBOILERWATERTEMPERATURES I

Tvoe of Heatino Unit Limit Control Seffinq I

StandingRadiators.............................................180 F I

BaseboardandConvectorRadiators..............200° E I

These settings can be changed after you have had

some idea howthe system works. Example: Ifyour

system does notgive quite enough heat invery cold

weather, you can raise the limit setting to 220 ° E

ADJUST THERMOSTAT HEATANTICIPATOR

INSTRUCTIONS FOR THE FINALADJUSTMENT

OF THE THERMOSTATARE PACKAGED WITH

THE THERMOSTAT. Set Heat anticipator at .2.

Check thermostat operation. When set above

temperature indicated on the thermometer, boiler

burners should ignite. Make certain the thermostat

turns offthe boilerwhen room temperature reaches

the selected setting and starts the boiler operating

when room temperature falls a few degrees.

Aftersetting limit control to desired setting, check

to see if it shuts off the gas supply to the

burners.Turn your thermostat up to call for heat

and let your boiler run until the temperature of the

water reaches the limit setting. The gas valve should

shut off and the circulator keep running until the

thermostat is satisfied, or the water cools enough

to restart the burners through the limit control.

To check the operation of the contacts in the

pressure switch, disconnect the rubber tubing

(located between the blower and the pressure

switch) from the pressure switch, while the boiler

is operating. The burners should extinguish and

the blower should keep running. When the tubing

is reconnected to the pressure switch, the ignition

sequence should begin, resulting in ignition of the

main burners.

Finally, set the thermostat for the desired

temperature. Special conditions in your home and

the location of the thermostat will govem this setting.

Safe lighting and other performance criteria were

met with the gas manifold and control assembly

provided on the boiler when the boiler underwent

tests specified in ANSI Z21.13-latest revision.

_ on sensor

PRESSURE REGULATOR

AOJUSTMENT

(UNDER C_P SCREW)

INLET

PRESSURE

TAP \

INLET _ I_QUTLET

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Owner’s Manual - Page 27