ENVIRO-TEC
23
FORM ET115.24-NOM11 (118)
DISCHARGE AIR SENSOR
General Information
The Discharge Air Sensor is a nickel 1kΩ sensor probe
with a flanged mounting bracket (no enclosure).
Suggested Location
The Discharge Air Sensor is fitted to the side of the coil
flange in the holes provided for this accessory. (See
Figure 13.)
Replacement instructions
a. Disconnect the main power on the unit.
b. Mount the Discharge Air Sensor with two screws
as shown. (See Figure 13.)
c. Secure the plenum-rated cable into control
enclosure using the control enclosure knockouts
accordingly.
d. Once all of the connections are made, reconnect
the main power.
Figure 13
LOW TEMPERATURE CUTOUT CONTROL
General information
This low temperature device will de-energize the system
if the operating conditions begin to approach freezing
(as water freezes it expands and will rupture the coil
barrel tubes). The function of this low temperature
device is to cycle a SPST switch in response to changes
of temperature. Refer to fig. 4 to locate the device on
your unit.
Adaptable cold control
Range of adjustments are limited to the rotation of the
dial for the required temperature set point needed.
Altitude correction chart
(CW TURNS OF RANGE SCREW)
Feet
Turns
Feet
Turns
2000
35
8000
215
4000
100
9000
250
6000
160
10000
270
Electrical ratings
WARNING: Do not exceed the
maximum wattage, ratings, or
published operating conditions as
noted below.
