Reznor R6GF Option - Installation - Horiz. Economizer - Light Commercial - Manual (Page 2)

Step 4:
Locate the mixed air sensor (MAS) on the blower deck next to the blower intake opening using the self-tapping screw
provided. Connect MAS to two (2) prewired red wires in blower compartment.
Step 5:
Attach and seal weather tight return duct to Economizer.
Step 6:
If the barometric relief is to be installed cut a 10" x 20" hole in the return air duct near Economizer.
Step 7:
Secure barometric relief damper near Economizer over hole in return air duct using (4) screws provided.
Step 8:
Place the adhesive backed wiring diagram on the electrical access panel by the unit diagram.
INSTALLATION
INSTRUCTION
INSTALLATION INSTRUCTIONS FOR
547841
ECONOMIZERS USED WITH R4GM 072
P6SD, Q6SD, R6GD 024-060 UNITS
SUPPLY DUCT
RETURN DUCT
ECONOMIZER
CUT OPENING 10" X 20"
ECONOMIZER DUCT CONNECTION
UNIT RETURN DUCT CONNECTION