Rheem R-410A Manual de usuario Pagina 19

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CONTROL DESCRIPTION (SEE FIGURE 3)
7-Segment LED
Displays status and diagnostic codes (See Status and Diagnostic Description)
Displays diagnostic/fault recall (See Test Mode/Fault Recall)
Red LED (Y1)
Y1 red LED (solid on) indicates Y1 call from thermostat is present
Line Voltage Connector (ST1)
Line voltage is connected to control board at Connector ST1
Maximum wire size accepted is 6 AWG copper wire
Torque terminals up to 20 in. lbs. max (Check wire terminations annually)
Compressor Wiring Connectors (ST2)
Compressor wiring assembly is factory installed (Red Run, Yellow Start,
Black Common)
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
Y1 Call for unit operation (cooling)
L Communicate/flash diagnostic codes to an indoor thermostat that is enabled
with an ‘L’ terminal, ‘check service light’, or similar function
Y2 Call for unit second stage operation (cooling)
FIGURE 3
I
CC BOARD
F
IELD LINE VOLTAGE
C
ONNECTION (ST1)
COMPRESSOR
WIRING
CONNECTOR (ST2)
O
.D. FAN (OFM) RELAY
COMPRESSOR
CONTROL (K2)
ICC (INTEGRATED
COMPRESSOR CONTROL)
7-SEGMENT LED
A
MBIENT SENSOR
SW2 BUTTON
T
HERMOSTAT
C
ONNECTION
(
E2)
TEST BUTTON
RED LED (Y1)
L
OW VOLT FUSE
LOW PRESSURE CONTROL INPUT
H
IGH PRESSURE CONTROL INPUT
C
OMPRESSOR
S
OLENOID
O
UTPUT
{
!
CAUTION
UNIT MAY START SUDDENLY AND WITHOUT WARNING
Solid red light indicates a thermostat call for unit operation is present at
the ICC control. ICC control will attempt to start unit after short cycle timer
expires or when in Active Protection mode will attempt to restart unit prior
to Lockout mode.
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