Compressor Control (K2)
• Sealed single pole compressor relay switch with optical feedback feature (arc
detection)
Thermostat Connector (E2)
• R – 24VAC from the indoor unit 24VAC transformer (40 VA minimum)
• C – 24VAC Common from the indoor unit 24VAC transformer
• 1-Data: System Communications Line 1
• 2-Data: System Communications Line 2
Low Volt Fuse
• If required replace with 3 A automotive ATC style blade fuse
Low Pressure Control (LPC Input)
• Low-pressure control is factory installed
• Low pressure control is an automatic resetting device
High Pressure Control (HPC Input)
• High-pressure control is factory installed
• High pressure control is an automatic resetting device
Ambient Temperature Sensor (included with all applications)
• Included with all applications
TEST and SW2 Buttons
• TEST and SW2 buttons used to enter Test and Fault Recall Mode
Memory Card
• The memory card stores all unit information.
• The unit information is called shared data.
• The shared data is all the information needed for proper unit operation.
FIGURE 6
COMFORT CONTROL
2
BOARD
COMPRESSOR
WIRING
CONNECTOR
O.D. FAN (OFM) RELAY
COMPRESSOR
CONTROL (K2)
ICC (INTEGRATED
COMPRESSOR CONTROL)
TEST BUTTON
7-SEGMENT LED
AMBIENT DEFROST
CONTROL
DEFROST SENSOR
SW2 BUTTON
RED LED (Y1)
LOW VOLT FUSE
THERMOSTAT
CONNECTION (E2)
LOW PRESSURE CONTROL INPUT
HIGH PRESSURE CONTROL INPUT
{
MEMORY CARD
LINE VOLTAGE
CONNECTION
19
COMFORT CONTROL
2
SYSTEM™ CONTROL WIRING
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