Reznor R6GF Option - Installation - Economizer - Light Commercial - Manual (Page 5)

INSTALLATION
INSTRUCTION
DOWNFLOW ECONOMIZER # 558870
PACKAGE EQUIPMENT MODELS
*R6G(D,F) 024*–060* / *R8GD 036*-060*
*P6SD 024*-060* / *Q6SD 024*-060*
4
Mixed-Air Sen sor In stal la tion In struc tions
For Gas Heat Mod els:
Step A:
Remove Blower Door and unit supply duct-cap
assembly if necessary.
Step B:
Locate Unit mixed-air sensor wires. Connect
economizer mixed air sensor wires supplied in parts
bag.
Step C:
Locate and remove plastic plug in wire routing location
in blower shelf. Install supplied star-bushing and route
wires through bushing
Step D:
Install mixed air sensor with supplied self-tapping
screw to duct lip through the hole in the flange of the
sensor bracket.
Locate the sensor approximately 3" to 6" inches from
corner of supply opening, while ensuring that the wires
will reach the sensor.
Note: See picture for mixed air sensor locations
for Gas Heat Units. For Electric Heat
applications refer to the instruction on next
page.
Step E:
Connect sensor wires to mixed air sensor, ensure that
connections are tight, wires are protected from sharp
edges and cannot become entangled by rotating
equipment. Secure wires with zip-ties as necessary.
Step F:
Go back to step 12 of installation instructions and
complete economizer installation steps.
Note: Some older units may not have the wire
routing hole located in blower shelf. For these
units it is recommended to create the wire
routing hole as instructed below to locate the
mixed air sensor as described above for
optimum economizer performance but the
mixed air sensor can be mounted in location 1
(see figure, previous page) if desired.
Do not, under any circumstances, route wires
around any sheet metal edges.
Cre at ing Wire Rout ing hole:
Measuring 1 ½" from both the bottom right flange of the
blower shelf and exposed edge of the blower shelf,
(see picture to right) mark hole location. Drill pilot hole
and punch hole with
7
8
" sheet-metal hole punch.
Alternately drill hole to 7
8
" with sheet metal "step-bit".
De-bur hole diameter and install 7
8
" star-bushing.
Route wires and mount sensor as described above.
UNIT MIXED AIR
SENSOR WIRES
DUCT-CAP ASSEMBLY
HORIZONTAL
SUPPLY CLOSE
OFF COVER
MIXED AIR SENSOR
WIRE ROUTING
LOCATION
3" TO 6" FROM CORNER
ALTERNATE MIXED AIR
SENSOR LOCATION
(GAS HEAT MODELS)