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Table 9 — IGC Connections
TERMINAL LABEL POINT DESCRIPTION SENSOR LOCATION TYPE OF I/O
CONNECTION
PIN NUMBER
INPUTS
RT, C Input power from TRAN 1 control box 24 VAC —
SS Speed sensor gas section analog input J1, 1-3
FS, T1 Flame sensor gas section switch input —
W Heat stage 1 LCTB 24 VAC J2, 2
RS Rollout switch gas section switch input J2, 5-6
LS Limit switch fan section switch input J2, 7-8
CS Centrifugal switch (not used) — switch input J2, 9-10
OUTPUTS
L1, CM Induced draft combustion motor gas section line VAC
IFO Indoor fan control box relay J2, 1
GV Gas valve (heat stage 1) gas section relay J2, 11-12
Table 10 — Orifice Sizes
ORIFICE
DRILL SIZE
CARRIER
PART NUMBER
DRILL
DIA. (in.)
#30 LH32RF129 0.1285
1/8 LH32RF125 0.1250
#31 LH32RF120 0.1200
#32 LH32RF116 0.1160
#33 LH32RF113 0.1130
#34 LH32RF111 0.1110
#35 LH32RF110 0.1100
#36 LH32RF105 0.1065
#37 LH32RF104 0.1040
#38 LH32RF102 0.1015
#39 LH32RF103 0.0995
#40 LH32RF098 0.0980
#41 LH32RF096 0.0960
#42 LH32RF094 0.0935
#43 LH32RF089 0.0890
#44 LH32RF086 0.0860
#45 LH32RF082 0.0820
#46 LH32RF080 0.0810
#47 LH32RF079 0.0785
#48 LH32RF076 0.0760
#49 LH32RF073 0.0730
#50 LH32RF070 0.0700
#51 LH32RF067 0.0670
#52 LH32RF065 0.0635
#53 LH32RF060 0.0595
#54 LH32RF055 0.0550
#55 LH32RF052 0.0520
#56 LH32RF047 0.0465
#57 LH32RF043 0.0430
#58 LH32RF042 0.0420
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