(© Oct, 2007)
Air Technology Systems, Inc.
Compact CW Series Installation, Operation & Maintenance Manual
2-9
2.8.2
Controls
SATS offers a wide range of control features to solve
your air conditioning control/alarm requirements. The
Compact CW system is furnished with a C1002 or
C6000 Microprocessor controller. If it is mounted on
the unit (standard), no utility connection is required. As
an option a factory supplied display may be remote
mounted. A six-conductor cable harness is provided for
interconnect wiring. Refer to the electrical drawing
provided with the unit for details on interconnecting
field wiring.
2.8.3
Optional Equipment
Additional control conductors may be required depend-
ing on the options purchased with the equipment.
Refer to the electrical diagram supplied with your unit
to determine the total number of interconnecting
conductors required for your system. It is important to
note that control transformer(s) supplied with the
equipment are sized and selected based upon the
expected loads for each system.
CAUTION
Do not connect any additional loads to the sys-
tem control transformers. Connecting additional
loads to the factory supplied control transformer
may result in overloading of the transformer.
NOTE
All wiring must be provided in accordance with
local and national electrical code requirements.
2.7.3.1 Remote Temperature/Humidity Sensor
The remote temperature/humidity sensor requires a
three conductor shielded cable, with the shield
terminated at the unit electric box. Both the electric
box and the sensor are provided with a terminal strip
for the wire connections. Refer to the electrical
schematic supplied with your unit for proper wire
terminations.
2.7.3.2 Remote Water Detector
Each remote water detector used will require two
conductors to be wired to the control terminal board
within the unit electrical box (see Figure 13). The wire
insulation must be rated at 600V. Refer to the electri-
cal schematic supplied with your unit for proper wire
terminations.
The number callouts in Figure 13 coincide with the
numbered items listed below:
1. Control I/O Board
2. Interface Terminals
3. Main Power Disconnect Switch
4. Ground Lug
5. Power Switches/Motor Start Protectors
(Quantity varies by size of A/C unit)
6. Water Detector Circuit Board (Optional)
7. Transformer Circuit Breakers
CAUTION
Improper wire connections may result in the re-
verse rotation of the fans/blower motors and may
eventually result in damage to the unit. To cor-
rect this problem, exchange any two of the in-
coming main power wires at the main power dis-
connect switch. Do NOT rewire the unit's indi-
vidual components.
CAUTION
Prior to unit operation, an adequate unit-to-earth
ground must be connected to the unit.
4
1
3
5
2
6
7
Figure 13- Electric Box
