Lennox G61MPV Series - Page 38

TWO-STAGE, VARIABLE SPEED INTEGRATED CONTROL BOARD
Wl W2 G Y2 YIc(3) el2)(I) H L 0 DS
"_ INDOOR
BLOWER DIP
SWITCHES
ON-BOARD
JUMPERS
/
/
1/4"QUICK CONNECT TERMINALS
HUM : 120 VAC OUTPUT TO HUMIDIFIER
XMFR : 120 VAC OUTPUT TO TRANSFORMER
LI : 120 VAC INPUT TO CONTROL
CIRC : 120 VAC OUTPUT TO CIRCULATING BLOWER
EAC : 120 VAC OUTPUT TO ELECTRONIC AIR CLEANER
NEUTRALS=120 VAC NEUTRAL
THERMOSTAT CONNECTIONS (TB1)
DS: DEHUMIDIFICATION SIGNAL
W2: HEAT DEMAND FROM 2ND STAGE T'STAT
WI: HEAT DEMAND FROM IST STAGE T'STAT
R: CLASS 2 VOLTAGE TO THERMOSTAT
G: MANUAL FAN FROM T'STAT
C: THERMOSTAT SIGNAL GROUND CONNECTED TO TRANSFORMER
GROUND (TR) & CHASIS GROUND (GRD)
YI: THERMOSTAT Is÷ STAGE COOL SIGNAL
Y2: THERMOSTAT 2nd STAGE COOL SIGNAL
O: THERMOSTAT SIGNAL TO HEAT PUMP REVERSING VALVE
H= 24V HUMIDIFIER OUTPUT
L= LENNOX SYSTEM OPERATION MONITOR
1= FUTURE USE
HTG DIP SWITCH(ES)
1
2
3 and 4
INDOOR BLOWER
DIP SWITCH(ES)
DIP SWITCH FUNCTIONS
FUNCTION
T'stat Heat Sta,qes (sin,qle or two-sta,qe)
Second Sta,qe ON Delay (sin,qle-sta,qe t'stat)
Heatinq Fan OFF Delay
FUNCTION
5 and 6
7 and 8
9 and 10
11 and 12
Coolinq Mode Blower Speed
Blower Speed Adjustment
Coolinq Mode Blower Rampin,q Profile
Heating Mode Blower Speed
FIGURE 55
Page 38