K4C COMPACT-MULTI – INSTALLATION/OPERATION MANUAL
K4C Compact-multi Feb-06
15
Using too much oil
Oil leak in line or tank Check fittings for tightness. Inspect tank and replace
if necessary.
Draft regulator set high Adjust regulator for -0.04” wc draft pressure at
breech.
Nozzle too large Replace nozzle to lower input.
Burner reset cuts out
No oil Call oil supplier.
Frozen oil line Call technician or oil supplier.
Dirty oil filter Replace filter.
Dirty nozzle, smoky fire Replace nozzle, adjust burner air.
Faulty oil pump Have pump replaced, adjust burner air.
Faulty or dirty electrodes Have technician clean or replace.
Warm air register blowing cold air
Basement cooling ducts Insulate and seal ductwork to maintain duct
temperature.
Ducts running through Change or insulate ductwork.
unheated spaces
Low speed switch is on Switch off blower low speed.
“FAN OFF” set low Fan control – Set “FAN OFF” higher.
Motor speed set too high Reset motor speed to slow blower.
Warm air registers blowing too hot
Blower running slow Speed blower up.
Return air restricted Open up return air ductwork to ensure adequate air
flow.
Nozzle too large Lower nozzle size to suit ductwork.
All rooms at different temperatures
Supply air not regulated Adjust warm air regulators to suit each room.
Return air not regulated Check for sufficient return air.
Noisy operation
Loose blower wheel Tighten wheel set screw or replace.
Blower wheel hitting housing Center wheel in housing.
Damaged motor bearings Replace blower motor.
Faulty oil pump Repair or replace oil pump. Reset to correct
pressure.
Air leak in oil line Tighten all connections.
Vacuum too high on pump Check pump vacuum. Check filters and pump
screen.