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All installations and services must be performed by qualified service personnel.
Or in this case,
_2.5 A. = 0.25 A. (Anticipator Setting)
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iv. Adjust the position of the anticipator indicator to match the calculated
ammeter setting. If a slightly longer cycle is desired, the pointer should
be moved to a higher setting. Slightly shorter cycles can be achieved
by moving to a lower setting.
v. Remove the meter jumper wire and reconnect the thermostat. Check
the thermostat in the heating mode for proper operation.
If a digital ammeter is used, read the current draw directly from meter.
(Steps 1 through 3 are not required.) The meter reading is the correct
anticipator setting.
3. Blower Motor Speed Selection
: Turn off the electrical power to the unit, before attempting
to change supply air blower speed wiring.
The OPB comes from the factory with the proper cooling speed selected
and the heat rise set to approximately 65°F on low-fire.
The heat rise is determined by the nozzle size and the switch selection on
the control board located in the vestibule compartment.
Switches 1, 2 & 3 of switch block SW1 (the six switch red block) are used
to select the proper blower speed. Please refer to the table below:
123
LOW-
FIRE
HIGH FIRE
HEAT RISE
OFF OFF OFF
ON OFF OFF
OFF ON OFF 74
ON ON OFF 67
OFF OFF ON 64
ON OFF ON 73
OFF ON ON 67
ON ON ON 60
OPERATION IN THIS RANGE MAY CAUSE
COMBUSTION GASES TO CONDENSE AND VOID
THE WARRANTY
SW1 POSITION
OPERATION IN THIS RANGE MAY FORCE THE
SAFETY LIMIT TO OPERATE REDUCING
PERFORMANCE
FACTORY
SET
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