Reznor R6GN Option - Installation - Economizer - Manual

Economizers are used with 12 ½ - 15 ton units for automatic sensor-controlled introduction of outdoor air into the system
through an electro-mechanically controlled damper.
Fig ure 1
Step 1:
Check for correct number of parts. See list below.
1 - Economizer Assembly
(Discharge Air Sensor Included)
1 - Barometric Relief Hood Kit
1 - Fresh Air Hood Kit
1 - Hardware Bag
Step 2:
Disconnect all power to unit.
Step 3:
Remove the following parts shipped with the air
conditioning unit:
A - Fresh Air Panel
(discard panel but retain screws)
B - Return Air Panel
(discard panel but retain screws)
C - Economizer Access Panel
(located behind filter access)
D - Blower Access
Step 4:
Set economizer partly in opening in unit.
Step 5:
Remove factory jumper plug. Route economizer
wiring harness up to unit plug and firmly connect it to
unit plug. Secure harness up out of the way of
damper blades as shown in Figure 3.
IN STAL LA TION
IN STRUC TION
INSTALLATION INSTRUCTIONS FOR
555621
ECONOMIZERS USED WITH R4GM 150/180 UNITS
FORM# 654B-0808 (654B-0905)
Fig ure 2
FRESH AIR HOOD KIT
ECONOMIZER ASSEMBLY
UNIT
FILTER ACCESS
UNIT CONTROL ACCESS
BLOWER ACCESS
BAROMETRIC RELIEF HOOD KIT
Fig ure 3
ECONOMIZER HARNESS
LOCATION OF UNIT 15 PIN PLUG
ABOVE FILTER ASSEMBLY