Lennox EL280DFE Series, Unit Information

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Page 8
FIGURE 5
HEATING BLOWER − OFF DELAY
60 SECOND
HTG BLOWER
OFF DELAY
120 SECOND
HTG BLOWER
OFF DELAY
180 SECOND
HTG BLOWER
OFF DELAY
FLAME
1 5
HSI/CAI
2ND STAGE HEAT ON DELAY
7 MIN
UPSTAGE
DELAY
12 MIN
UPSTAGE
DELAY
*
W915
2 STAGE
COMPR
1 − STG COMPRESSOR
2 − STAGE
COMPRESSOR LINK
(JUMPERS Y1 to Y2)
W915
DO NOT CUT
2 − STG COMPRESSOR
HEAT PUMP LINK
(JUMPERS R to O)
W951
(JUMPERS R to DS)
W914
W915
2 STAGE
COMPR
CUT LINK
A/C UNIT
DO NOT CUT
HEAT PUMP UNIT
CUT LINK
W951
HEAT
PUMP
W951
HEAT
PUMP
W914
DEHUM
NO SIGNATURESTAT
W/ DS CONNECTION
DO NOT CUT
SIGNATURESTAT W/
DS CONNECTION
CUT LINK
W914
DEHUM
1
1
1
ON − BOARD LINK
OPTION SELECTION
1 2
3
4 5
6 7
1 2
3
4 5
6 7
1
2
3
5 6 7
4
1
2
3
5 6 7
4
NEUTRALS
L1
ACC HUM
1 4
3 6
P79
1 10
3 12
J2
4 7
W915
2 STAGE
COMPR
W951
HEAT
PUMP
W914
DEHUM
CUT FOR
OPTION
SELECTION
1 2 3 4 5 6
ON
SureLight
®
W1W2
G
Y2
Y1 C C DH L O DS R
W1 W2
G
Y2
Y1
C C R L
DH
7
− PROTECTIVE PLASTIC FILM ON DIP SWITCHES MAY BE
REMOVED FOR EASE IN SETTING OF DIP SW.
− CUT ON − BOARD LINK (SOLDER TRACE) COMPLETELY THROUGH
BOTH LAYERS ON THE CONTROL BOARD
− LINKS CUT IN ERROR − INSTALL A JUMPER ON THE APPROPRIATE
TERMINALS ON THE TERMINAL STRIP
1
ON
ON
ON
ON
90 SECOND
HTG BLOWER
OFF DELAY
*
1 2
3
4 5
6 7
ON
1 2
3
4 5
6 7
ON
THERMOSTAT SELECTION
1 − STAGE
THERMOSTAT
(TIMED STAGING)
− SEE SW #2
TWO STAGE
THERMOSTAT
*
1
2 3 4
5 6 7
1
2 3 4
5 6 7
ON
ON
− BLOWER ON DELAY − 30 SEC. FIXED
1 2 3
4
5
6
7
ON
SENSE
IGN
CAI2 CAI1
N N
J3
S1
S4
S3
* FACTORY DEFAULT
DIAGNOSTIC
LED
DIAGNOSTIC
PUSH BUTTON
INTEGRATED CONTROL CONFIGURATION GUIDE
*45 SECOND
COOL BLOWER
OFF DELAY
2 SECOND
COOL BLOWER
OFF DELAY
1
2
3
5 6 7
4
1
2
3
5 6 7
4
ON
ON
COOLING BLOWER-OFF DELAY
1 2 3
4
5
6
7
ON
1 2 3
4
5
6
7
ON
1 2 3
4
5
6
7
ON
CONTINUOUS FAN SETTINGS
LOW HEAT SPEED
LOW COOL SPEED
HIGH HEAT SPEED
HIGH COOL SPEED
DEHUMIFICATION LINK