Reznor LDAP Unit Installation Manual - Manual (Page 35)

Form I-LDAP, P/N 207733R6, Page 35
Fan
Motor
Heat Section Pressure Switch
Venter Motor Capacitor
Fan Motor Capacitor
High Limit Control
Disconnect Switch
Transformer
Gas Valve
DSI Control
(Circuit Board)
Fan Permissive
Relay
Ignitor
Heat Permissive Relay
(Models 800 and 1200)
Flame
Sensor
Terminal
Boards
Limit Control
Vent Permissive
Relay (Models 800
and 1200)
Remote Destrat
Relay
Destratification
Relay
24V Thermostat
Terminal Board
Burner Assembly
Heat Section
Venter Motor
Adjustable Destratification
Fan Control
Optional Relay
Burner Orifice
Heat Section
Flue Wrapper
FIGURE 22 - Location of Controls
10.1.3 Burner
Maintenance
Each section of this heater is equipped with a
T
CORE
2
® burner. Size 400 has
one; Size 800 has two; and Size 1200 has three.
Inspect each burner/control compartment annually to determine if cleaning is
necessary. If there is an accumulation of dirt, dust, and/or lint, clean the com-
partment and follow the instructions below to remove and clean the burner.
1. Outside the cabinet, shut the gas supply off at the manual valve ahead of
the union.
2. Turn off electric supply.
3. Disconnect the gas supply at the union outside of the cabinet.
4. Remove the access panel.
5. Disconnect the Gas Train and Move It Out of the Way - At the gas valve,
mark and disconnect the wires. Disconnect the union on one or both sides
Burner Removal
Instructions
(Refer to
FIGURE 23.)
10.1.2 Heat
Exchanger
Maintenance
Each section of this heater is equipped with a
T
CORE
2
® heat exchanger. Size
400 has one; Size 800 has two; and Size 1200 has three.
Remove any external dirt or dust accumulation. Visually check each heat
exchanger for cracks and holes. If a crack or hole is observed, replace the heat
exchanger.
NOTE: Inspection of the lower portion of the heat exchanger is done with the
burner removed. See the Burner Service section below for information on
inspecting the lower portion of the heat exchanger.