Automation Components, Inc.
2305 Pleasant View Road | Middleton, WI 53562
Phone:
1-888-967-5224 |
Website:
workaci.com
Page 2
Version: 6.0
I0000647
FIGURE 3:
SENSOR PROBE/
ENCLOSURE REMOVAL
Note:
The mounting bracket can be removed from
the shield if needed for easier access. Loosen the
two Phillip screws holding the probe retaining clip
until the sensor probe/enclosure is loose enough
to remove as shown in
Figure 3
.
• Finger tighten the assembly around the
mounting pole. With a level, make sure the solar
radiation shield is level, and tighten the hex nuts
with a wrench.
Surface Mounting
• Loosen the two Phillip screws holding the probe
retaining clip until the sensor probe/enclosure is
loose enough to remove as shown in
Figure 3
.
• Attach the mounting bracket directly to the wall
or post(Hardware not included).
• Slide the sensor probe/enclosure back into the
shield. Tighten the two Phillip screws holding
the probe retaining clip until the sensor probe/
enclosure is tight.
Install the PG11 watertight fitting supplied
with the sensor if not using conduit. The outer
knockout ring (PG 11/16) on housing should not
be removed when using a ½" NPT conduit fitting.
The 4X enclosure has (4) screws. Confirm gasketed
cover is fastened securely in order to prevent any
moisture being introduced into housing.
Refer to Wiring Instructions) to make necessary
connections.
WIRING INSTRUCTIONS
PRECAUTIONS
• Remove power before wiring. Never connect
or disconnect wiring with power applied.
• When using a shielded cable, ground the
shield only at the controller end. Grounding
both ends can cause a ground loop.
• Do not run the temperature sensor wiring in
any conduit with line voltage (24/120/230
VAC) if utilizing resistance temperature signal.
• It is recommended you use an isolated UL-
listed class 2 transformer when powering the
unit with 24 VAC. Failure to wire the devices
with the correct polarity when sharing
transformers may result in damage to any
device powered by the shared transformer.
• If the 24 VDC or 24VAC power is shared
with devices that have coils such as relays,
solenoids, or other inductors, each coil must
have an MOV, DC/AC Transorb, Transient
Voltage Suppressor (ACI Part: 142583), or
diode placed across the coil or inductor. The
cathode, or banded side of the DC Transorb
or diode, connects to the positive side of the
power supply. Without these snubbers, coils
produce very large voltage spikes when de-
energizing that can cause malfunction or
destruction of electronic circuits.
RELATIVE HUMIDITY WIRING
INSTRUCTIONS
Open the cover of the enclosure. ACI recommends
16 to 26 AWG twisted pair wires or shielded cable
for all transmitters. Twisted pair may be used for
2-wire current output transmitters or 3-wire for
voltage output. Refer to
FIGURE 4
(p. 3) or wiring
diagrams.
TEMPERATURE WIRING INSTRUCTIONS
ACI recommends 16 to 26 AWG twisted pair wires
or shielded cable for all temperature sensors.
ACI recommends a separate cable be pulled for
Temperature signal only. Temperature Signal
wiring must be run separate from low and high
voltage wires (24/120/230VAC). All ACI thermistors
and RTD temperature sensors are both non-
polarity and non-position sensitive.
All thermistor type units are supplied with (2)
flying lead wires, and all RTD’s are supplied with
(2) or (3) flying lead wires – see
FIGURE 6
(p. 3).
