Reznor APD User Manual

52
UEZ-IOM (07-23) 1034347-I
GAS VALVE
ORIFICE
ADAPTER
LOCKING
NUT
VENTURI TUBE
BURNER ASSEMBLY
SECONDARY AIR BAFFLE
SECONDARY AIR SHIELD
BURNER BODY SUPPORT
MAINTENANCE—CONTINUED
Maintenance Procedures—Continued
Burner Maintenance (Unit Sizes 130–310)
NOTE: The unit is equipped with a TCORE
2
® burner.
Visually inspect the burner compartment (see Figure 32). If there is an accumulation of dirt, dust, and/or lint,
clean the compartment and remove and clean the burner as follows:
1. Remove gas and electric supply:
a. Shut OFF gas supply ahead of union at manual valve outside cabinet.
b. Turn OFF electric supply.
c. Disconnect gas supply at union outside of cabinet.
2. Remove burner assembly (see Figure 32):
a. Remove access panel.
b. Disconnect gas train:
(1) Mark and disconnect wires at combination gas valve.
(2) Carefully remove burner orifice and orifice adapter locking nut.
(3) Slide orifice adapter out through bracket on burner while pushing gas train to right. This will move gas
train out of way.
Figure 32. Burner Compartment—Unit Sizes 130–310
c. Detach control assembly:
(1) Remove two screws that secure control assembly bracket.
(2) Being careful not to disconnect any wires, slide control assembly to right.
d. Remove secondary air baffle(s):
(1) Locate flat plate(s) identified as secondary air baffle(s)—vertical along right side of burner. Quantity of
baffles could be one to four depending on heater size. Each baffle is held in place by one screw.
(2) For correct re-assembly on secondary air shield, mark location (top and bottom) of each baffle.
(3) Remove screw(s) and remove baffle(s) (all).

Reznor APD Specifications

General

Brand	Reznor
Model	APD
Category	Gas Heater
Language	English