3 53-22130A100
131 EISENHOWER LANE NORTH
LOMBARD, ILLINOIS 60148-5413
630-268-0010 / 1-800-251-2408
ELECTRONIC CLIMATE CONTROL
INTELLITEC
HIGH FAN - The air conditioner fan is energized on high speed. Load shedding is active.
LOW COOL - The air conditioner fan is energized on low speed. The air conditioner compressor is
turned on when the ambient temperature goes 2 degrees above the set point temperature and
shuts off when the ambient temperature reaches the set point temperature.
Load shedding is active.
HIGH COOL - The air conditioner fan is energized on high speed. The air conditioner compressor is turned
on when the ambient temperature is 2 degrees above the set point temperature and shuts off
when the ambient temperature reaches the set point temperature. Load shedding is active.
AUTO COOL - Both the air conditioner compressor and high fan are on when the ambient temperature goes
5 degrees above the set point temperature. When the ambient temperature drops to within 3
degrees of the set point, the fan switches to low speed. When the temperature drops to set
point the compressor turns off. When the ambient temperature drops 2 degrees below the set
point, the fan turns off. As the ambient temperature rises, the reverse procedure happens.
Load shedding is active.
INDICATOR LIGHTS:
There are two indicator lights on the control panel for each of the front and rear systems. The green ON
indicator will be lit when the associated function switch is in
any
mode except the OFF mode and the system
has not shed the associated air conditioner compressor or fan. The red SHED indicator will be lit when the
associated function switch is in any mode except the OFF mode and the system has shed the associated air
conditioner compressor or fan. The ON and SHED indicators will blink alternately when the system is holding
off operation of the air conditioner compressor during the 2 minute
"
short-cycle" protection cycle.
(
see ECC Control Module
)
THE ECC TEMPERATURE PROBES:
These Temperature Probes are thermistors mounted in protective plastic housings so
they can sense the temperature of the air without being influenced by the mounting
surface temperature. Thermistors vary their electrical resistance
inversely
with
temperature; that is, the higher the temperature the lower the thermistors' resistance.
The thermistors utilized in this system have a resistance of about 10,000 Ohms at 77
degrees.
There are two temperature probes, one for each of the front and rear systems. They
are located remotely from the thermostat panel to sense temperatures in the front and
rear. The connections to the ECC Thermostat are via small 2 pin connectors labelled J1 (FRT) and J4 (REAR).
Since the devices are not polarity sensitive, the two wires leading to them can be reversed without harm.
However, it is necessary to connect the front and rear TEMPERATURE PROBE to the correct connector to
ensure the ECC Thermostat interprets the correct ambient temperatures associated with the front and rear of
the coach.
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