Manual

Functional Checkout:
CAUTION:
if equipped with a compressor
crankcase heater, wait 24 hours prior
to performing a function checkout to
allow for heating of the compressor
crankcase. Failure to comply may
result in damage and could cause
premature failure of the system.
Indoor Blower -- Set the thermostat function
switch to COOLING and the fan switch to ON.
Verify that the indoor blower is operating and
that airflow is not restricted. Set the fan switch
back to AUTO.
NOTE: This module does not provide safety
protection! The Comfort Alert TM module is a
monitoring device and cannot shut down the
compressor directly.
LED Description (See Figure 2)
POWER LED (Green): indicates voltage
is present at the power connection of the
module.
ALERT LED (Yellow): communicates an
abnormal system condition through a unique
flash code.The ALERT LED will flash a number
of times consecutively, pause and then repeat
the process. The number of consecutive
flashes, defined as the Flash Code, correlates
to a particular abnormal condition. Detailed
descriptions of specific ALERT Flash Codes are
shown in Table 1 of this manual.
Positive Temperature Coefficient Resistor
(PTCR) -- (select models) A PTCR is factory
installed and located on the control panel of the
outdoor unit. The PTCR is a soft start device for
use with reciprocating compressors. If a hard
start kit is needed on this model the soft start
(PTCR) must be removed first.
Low=Pressure Switch -- A low-pressure
switch is factory-installed in select models only.
If provided, this switch is located in the suction
line internal to the outdoor unit. The switch is
designed to protect the compressor from a loss
of charge. Under normal conditions, the switch
is closed. If the suction pressure falls below 5
psig, then the switch will open and de-energize
the outdoor unit. The switch will close again
once the suction pressure increases above 20
psig. Please note that the switch interrupts the
thermostat inputs to the unit. Thus, when the
switch opens and then closes, there will be a 5
minute short cycling delay before the outdoor
unit will energize.
Comfort Alert TM Diagnostics (Select Models)
-- The Comfort Alert TM diagnostics module is
a breakthrough innovation for troubleshooting
heat pump and air conditioning system failures.
The module installs easily in the electric box of
the outdoor unit near the compressor contac-
tot. By monitoring and analyzing data from the
Copeland Scroll compressor® and the thermo-
stat demand, the module can accurately detect
the cause of electrical and system related failures
without any sensors. A flashing LED indicator
communicates the ALERT code and guides the
service technician more quickly and accurately
to the root cause of a problem.
TRIP LED (Red): indicates there is a demand
signal from the thermostat but no current to the
compressoris detected bythe module.TheTRIP
LED typically indicatesthe compressor protector
is open or may indicate missing supply power
to the compressor.
The scroll compressor's run (R), common (C) and
start (S) wires are routed through the holes inthe
Comfort Alert TM module marked "R,'"C" and "S."
The common (C) wire need not be routed through
the module for it to operate properly.
24 VAC Power Wiring -- The Comfort Alert TM
module requires a constant nominal 24 VAC
power supply.The wiring to the module's R and
C terminals must be directly from the indoor unit
or thermostat.
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Figure 2. Comfort Alert TM Diagnostics
Module