Carrier 33CS - Page 3

Table1—Temperature Sensor Resistance vs Temperature Values
TEMPERATURE
OHMS
FC
30 −1 34,480
32 0 32,630
34 1 30,760
36 2 29,220
38 3 27,470
40 4 26,020
42 6 24,680
44 7 23,320
46 8 22,070
48 9 20,910
50 10 19,830
52 11 18,820
54 12 17,870
56 13 16,920
58 14 16,160
60 16 15,260
62 17 14,530
64 18 13,790
66 19 13,090
58 20 12,480
70 21 11,860
72 22 11,270
74 23 10,750
TEMPERATURE
OHMS
FC
76 24 10,250
78 26 9,750
80 27 9,300
82 28 8,840
84 29 8,432
86 30 8,042
88 31 7,668
90 32 7,310
92 33 6,993
94 34 6,661
96 36 6,368
98 37 6,085
100 38 5,811
102 39 5,571
104 40 5,313
106 41 5,088
108 42 4,869
110 43 4,660
112 44 4,450
114 46 4,268
116 47 4,091
118 48 3,918
120 49 3,750
DO NOT USE
MOUNTING HOLES
TERMINAL BLOCK
WITH SCREW
TERMINALS
TERMINAL BLOCK
WITH SCREW
TERMINALS
INSTALL WIRING
THROUGH OPENING
C B L
SI S2
O/W2
Y1
R G
Y/Y2
W/W1
Fig. 1 — Commercial Programmable Thermostat Wiring and Installation
TERMINAL BLOCK LEGEND
B—Normally Closed Contact
C—Common
G—Fan
L—Do Not Use
O—Reversing Valve
R—+ 24 Volts
S1 — Optional Sensor
S2 — Optional Sensor
W—Heating
Y—Cooling
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