20
MOUNTING, INSTALLATION, AND WIRING
Mounting the Economizer Controller Base
Module
Before mounting, leave specific mounting clearances so that there
is space for mounting, wiring, and servicing. See Fig.
33 and
Table 18 for economizer controller wiring details.
POL 224 can be mounted to sheet metal. Use two No. 6-3/4 in.
self-tapping screws to mount POL 224. Order screws and spac
-
ers separately as they are not provided with the products.
Contact Application Engineering for detailed clearance require-
ments and graphical mounting instructions.
Mounting Devices Connected To the
Economizer Controller
Devices like damper actuators, sensors (temperature sensor, hu-
midity sensor, combination temperature and humidity sensor, CO
2
sensor), thermostats and exhaust fans can be connected to the
economizer controller. For information on how to mount the de-
vices, see the device’s installation instructions.
Fig. 33 — Economizer Control Wiring
WARNING
Failure to follow this caution may result in damage to
equipment. Be sure to allow enough time for compressor
startup and shutdown between checkout tests so that the
compressors do not short-cycle.
To Next Page
Loading...
