17
Maintenance
Burner Air Adjustment
CAUTION: If white smoke appears from burner
exhaust vent during start-up or operation, discon-
tinue use and readjust air bands.
NOTE: If a flue is installed, have a professional
serviceman adjust your burner for a #1 or #2 smoke
spot on the Bacharach scale.
Coil Removal:
1.
Removal of coil because of freeze breakage, or to
clean soot from it can be done quickly and easily.
2.
Disconnect hose from pump to inlet side of the coil.
3.
Carefully disconnect the thermostat sensor making
sure you do not crimp the capillary tube.
4.
Remove burner assembly from combustion
chamber.
5.
Remove the 3-3/8" bolts from each side of coil and
tank assembly (these bolts are used to fasten tank
to chassis).
6.
Remove fittings connected to the 1/2" pipe nipples
from inlet and discharge sides of coil.
7.
Remove top tank wrap, bend back insulation tabs
and fold back blanket.
8.
Remove bolts that hold down coil to bottom wrap.
9.
Remove coil.
10. Replace or repair any insulation found to be torn or
broken.
11. Remove insulation retainer plates.
Coil Reinstallation:
To reinstall new or cleaned coil, reverse steps 9
through 1.
Landa PDHW Series Operator’s Manual 8.919-980.0 - B
Reference Numbers
Air Band Locking Screws
Air Band
Summary of Contents for PDHW5-35624E
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