Two Stage Ignition / Blower Control Terminals; Surelight Board 5 Pin Terminal Designation; Surelight Board 12Pin Terminal Designation; Surelight Board 16 Pin Blower Control Terminals - Lennox G60UHV Service Manual

TABLE 1

Two Stage Ignition / Blower Control Terminals

LINE
XFMR Transformer 120VAC Neutral
EAC Electronic Air Cleaner 120VAC Neutral
CIRC Indoor Blower 120VAC Neutral
HUM Humidifier 120VAC Neutral
HUM
XMFR
LINE
CIRC Indoor Blower 120VAC Hot
EAC Electronic Air Cleaner 120VAC Hot
TABLE 2

SureLight Board 5 Pin Terminal Designation

PIN #
1
2 Combustion Air Inducer High Speed
3 Combustion Air Inducer Low Speed
4 Combustion Air Inducer Neutral
5
Line 120VAC Neutral
Humidifier 120VAC Hot
Transformer 120VAC Hot
Line 120VAC Hot
Function
Ignitor
Ignitor Neutral
Page 11
TABLE 3

SureLight Board 12Pin Terminal Designation

PIN #
1
2 Second Stage Pressure Switch
3
4
5
6
7
8
9
10
11
12
TABLE 4

SureLight Board 16 Pin Blower Control Terminals

PIN #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Function
Gas Valve High Fire
Not Used
Ground
24V Hot
Primary Limit In
Gas Valve Low Stage
Gas Valve Common
24V Neutral
Ground
Primary Limit Out
1st Stage Pressure Switch
Function
Ground
Low Heat Speed
Ground
DELAY" Dip Switch Selection
COOL" Dip Switch Selection
Y1" Signal
ADJUST" Dip Switch Selection
Ground
0" From Thermostat
DS" Output Signal
HEAT" Dip Switch Selection
24 VAC
HIGH HEAT Speed
Y2" Signal
G"
CFM LED