Field Wiring & Jumper Settings; Surelight Boards 18M99 And 49M59 - Lennox G60UHV Service Manual

VIII−Field Wiring & Jumper Settings
A−SureLight Boards 18M99 and 49M59
Thermostat
1 Heat / 1 Cool
NOTE − Use dip switch
3 to set second−stage
heat ON delay.
ON−10 minutes.
OFF−15 minutes.
51M26 SignatureStat
NOTE − Use dip
switch 3 to set sec-
ond−stage heat ON
delay.
ON−10 minutes.
OFF−15 minutes.
1 Heat / 1 Cool
with CCB1
NOTE − Use dip switch
3 to set second−stage
heat ON delay.
ON−10 minutes.
OFF−15 minutes.
1 Heat / 2 Cool
NOTE − Use dip switch
3 to set second−stage
heat ON delay.
ON−10 minutes.
OFF−15 minutes.
Jumper Settings (See figure 4)
E20 W915
SINGLE Intact
SINGLE Intact
SINGLE Intact
SINGLE Cut
W914 W951
Intact Intact
Cut Intact
Cut Intact
Intact Intact
Page 53
Wiring Connections
S1 CONTROL
T'STAT TERM. STRIP
CONTROL OUTDOOR
51M26
TERM. STRIP
T'STAT
S1 CONTROL
CCB1
T'STAT TERM. STRIP
S1 CONTROL OUTDOOR
T'STAT TERM. STRIP
OUTDOOR
UNIT
HSXB15
(LSOM)
UNIT
HSXB15
(LSOM)
OUTDOOR
UNIT
HSXB15
(LSOM)
UNIT
HSXA19
(LSOM)