PARADIGM – INSTALLATION/OPERATION MANUAL
Paradigm
13 Jun 10
2.12 THERMOSTAT ANTICIPATOR SETTING
If the thermostat has an anticipator it should be set at 0.2 amps for any burner. Check that the
thermostat anticipator setting matches the primary control circuit current draw. This setting
affects the thermostat’s response to the control. The Paradigm is compatible with any quality
thermostat.
2.13 BLOCKED VENT SHUT-OFF SYSTEM
The Paradigm furnace is equipped with both a thermal and a pressure blocked vent switch.
These devices require manual reset after shutdown. When either switch is tripped a qualified
technician must be called to determine the root cause of the problem and to reset the switches.
The thermal switch is accessed through the air filter opening. Remove the filter and reach
down on the left side of the furnace. The pressure switch is reset by pushing the reset button
on the rear left side of the furnace.
2.14 AIR CONDITIONING
An air conditioning coil may be installed on the supply side only. Coils installed on the return
side will cause condensation on the heat exchanger that will shorten the heat exchanger life
and may cause products of combustion to enter the house. Ensure that the coil is compatible
with an oil-fired furnace. The bottom of the drain pan must be at least 6 inches (152 mm)
above the top of the cabinet or follow the coil manufacturer’s recommendations.
2.15 CONDENSATE NEUTRALIZER
The neutralizer canister must be replaced once per year or for every 600 USG (2300L) of oil
used in the furnace. The condensate from the furnace is slightly acidic with a pH of about 4; a
neutral fluid would have a pH of 7. If the condensate is not conditioned, damage could result in
waste water handling system which would result in expensive repairs. A replacement
neutralizer cartridge can be acquired from your local Kerr dealer.
2.16 COMBUSTION AIR
The Paradigm Condensing Furnace is designed to operate with combustion air from outside
the house. The incoming air should be fed to the burner using 3” diameter PVC/CPVC pipe or
and reducing if necessary, to a smaller size only at the burner. The pipe bringing in the
combustion air should not be insulated. For the Riello burner use a 4” to 3” galvanized vent
reducer. The 3” end on the burner and a 3” PVC coupling or elbow in the 4” end of the reducer.
The 3” vent pipe can be run from the elbow or coupling to the termination.
3.0 BLOWER REMOVAL
The blower is accessed by removing the lower rear panel. There are four 1/4” Tek screws and
two carriage bolts holding the blower in place. The pressure switch bracket and condensate
conditioner must be removed first. Remove the bolts and then remove the blower. Replace the
blower assembly using the reverse procedure. DO NOT start the oil burner until installation is
complete and all covers are secured in place. Refer to Figure – 2.
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