Reznor ADFH Unit Installation Manual - Manual (Page 23)

Form I-ADF, P/N 131805 R5, Page 23
 Check disconnect switch to be sure that it is tightly secured against the cabinet.
 If disconnect is fusible, check that fuses are installed. If fuses are not installed,
insert correct fuses. Verify continuity of fuses.
6. Open the hinged gas/electrical control compartment door --

Close all manual gas valves.
 Open hinged electrical panel cover.
 Check all wiring and wiring connections on gas controls and electrical components.
 If equipped with any manually reset devices such as a firestat limit switch, or high
gas pressure switch, reset devices.
Optional
Freezestat
Time Delay
Relay
Optional
Firestat
Energy
Cutoff
Electrical
Box Divider
Single Speed
or Two Speed
Starter
Contactor
Optional Two
Speed Starter
Relay
Standard
Starter
Relay
24V Transformer
and/or 120V
Terminal Block with
Mounting Rail
Relays Circuit
Analyzer Board
Inside View of
Left Side
Maxitrol
Amplifier
Ignition
Control
Board
High Air
Pressure
Switch
Low Air
Pressure Switch
Time Delay Relay
Inside View
of Top Side
Optional High AmbientLimit Control Inside View of
Bottom Side
Terminals
Relays
FIGURE 24 - Control Locations
7. Open the hinged blower compartment door --

Remove any blocking and shipping supports.
 Check all fasteners for tightness and all parts to be sure they are secure.
 Rotate the blower wheel to be sure that no parts are rubbing. Check for and
remove any obstructions and/or foreign material that may damage the blower
wheel.
 Check that the blower belts have correct tension (See Paragraph 6.4) and that
pulleys are in alignment and locked to the shaft.
 Remove the cover from the limit switch junction box; reset manual limit switch.
 Check wiring connections to limit switch, discharge air sensor, and motor.
 Close blower compartment door panel; secure latches.
8. Turn ON gas supply valve and manual shutoff valve on the manifold --

Leak test gas connections upstream of the electric gas valve. Be sure all
connections are tight and leak tested. WARNING: DO NOT TEST WITH OPEN
FLAME.
 Turn OFF manual gas valves.