Reznor R6GN Option - Installation - Economizer - Manual (Page 5)

SYS TEM CHECK
1. Disconnect main power to unit.
2. Install jumper on auxiliary contacts of blower contactor in
main unit control box.
3. Turn thermostat control to “OFF” position.
4. Install jumper on damper motor terminals T and T1. See
Figure 9.
5. Restore power to unit. Damper should drive to fully opened
position (requires 1 ½ minutes for full travel). Observe travel
for proper damper operation.
6. Disconnect power to unit. Damper should spring return to
closed position.
7. Remove T and T1 jumper on damper motor, then restore
power to unit. Adjust minimum vent position on potentiometer
on damper motor. See Figure 10.
8. Disconnect power to unit and remove jumper on auxiliary
contacts of blower contactor in main unit control box. Restore
power to unit.
MAIN TE NANCE
1. Damper motor is prelubricated and does not require further
lubrication.
2. Make visual inspection of dampers and linkage assemblies
during routine maintenance.
3. Filters should be checked periodically and cleaned when
necessary.
4. The washable filters supplied with the economizer can be
cleaned with water and a mild detergent.
5. Take note of “Air Flow Direction” marking on filter frame when
reinstalling.
6. If filter must be replaced, filter of like kind and size must be
used. DO NOT replace permanent filters with throwaway
type filters.
ENTHALPY CONTROL
SETPOINT ADJUSTMENT
MINIMUM POSITION
IN STAL LA TION
IN STRUC TION
INSTALLATION INSTRUCTIONS FOR
555621
ECONOMIZERS USED WITH R4GM 150/180 UNITS
DAMPER ACTUATOR
CONTROL MODULE
SUPERSEDES 12-19-07
AUGUST 27, 2008
NEIEC10
Fig ure 9
Fig ure 10