User Guide

2 © Copyright 2008 TAC All Rights Reserved. F-18895-6
°C = (°F - 32) 5/9.
Table-2 Specifications.
Part
Number
Type
Setpoint
Adjustment
Range
°F (°C)
Dual
a
Bulb
Ratio
Dimensions
Differential
°F (°C)
Safe Bulb
Temperature
Range
°F (°C)
Capillary
Copper
ft. (m)
Bulb Copper
in. (mm)
Indoor Outdoor
TC-4111
Single Stage
Single Bulb
-40 to 120
(-40 to 49)
6 (1.8)
3/8 x 4
(9.5 x 102)
Factory Set 3 (2)
Adj. 3 to 16 (2 to 9)
-40 to 170
(-40 to 77)
TC-4111-020 20 (6)
TC-4112
100 to 260
(38 to 127)
6 (1.8)
-40 to 310
(-40 to 154)
TC-4115
b
-40 to 120
(-40 to 49)
-40 to 170
(-40 to 77)
TC-4121
10 (3)
Armored
TC-4122
100 to 260
(38 to 127)
-40 to -310
(-40 to 154)
TC-4123
190 to 350
(88 to 176)
-40 to 400
(-40 to 204)
TC-4151
Single Stage
Dual Bulb
70 to 120
(21 to 49)
1:1-1/2
c
30 (9)
Each Bulb
3/8 x 4
(9.5 x 102)
3/8 x 5-1/2
(9.5 x 140)
Factory Set 3 (2)
Adj. 1-1/2 to 10 (1 to 5)
Total of indoor and
outdoor
temperatures
must not exceed
280 (138)
TC-4152 1:1
3/8 x 4
(9.5 x 102)
3/8 x 4
(9.5 x 102)
Factory Set 3 (2)
Adj. 3 to 16 (2 to 9)
TC-4166
Single Stage
Return Air
Bulb
50 to 90
(10 to 32)
None
Coiled
2-1/2 x 2 (64 x 51)
Fixed 2 (1)
-40 to 145
(-40 to 63)
TC-4211
Two Stage
Single Bulb
-40 to 120
(-40 to 49)
6 (1.8)
3/8 x 4
(9.5 x 102)
Per Stage Fixed 3 (2)
Between Stages Set 3 (2)
Adj. 2 to 10 (1 to 5)
-40 to 170
(-40 to 77)
TC-4221
10 (3)
Armored
TC-4222
100 to 260
(38 to 127)
-40 to 310
(-40 to 154)
TC-4223
190 to 350
(88 to 176)
-40 to 400
(-40 to 204)
TC-4251
Two Stage
Dual Bulb
70 to 120
(21 to 49)
1:1-1/2
c
30 (9)
Each Bulb
3/8 x 4
(9.5 x 102)
3/8 x 5-1/2
(9.5 x 140)
Per Stage Fixed 3 (2)
Between Stages Set 3 (2)
Adj. 1.5 to 6.5 (1 to 4)
Total of indoor and
outdoor
temperatures
must not exceed
280 (138)
TC-4252 1:1
3/8 x 4
(9.5 x 102)
3/8 x 4
(9.5 x 102)
Per Stage Fixed 3 (2)
Between Stages Set 3 (2)
Adj. 2 to 10 (1 to 5)
TC-4266
Two Stage
Return Air
Bulb
50 to 90
(10 to 32)
None
Coiled
2-1/2 x 2 (64 x 51)
Each Stage Fixed 2 (1)
Between Stages Set 3 (2)
Adj. 1 to 5 (0.5 to 3)
-40 to 145
(-40 to 63)
a
First number of reset ratio typically indicates outdoor air temperature change required to increase the setpoint by the second number.
b
See Electrical Rating.
c
For 1-1/2:1 ratio, reverse bulbs and use extra dial supplied with unit.
Table-3 Ratio Selection Table.
Outdoor
Temperature
in °F
Ratio
Change in Water Temperature for Different Ratios as
Outdoor Temperature Drops from 70°F to Design Temperature
Dial Set at 70°F Dial Set at 80°F Dial Set at 90°F
Dial Set at
100°F
Dial Set at
110°F
Dial Set at 120°F
-30
1 to 1-1/2
1 to 1
1-1/2 to 1
70 to 220
70 to 170
70 to 137
80 to 230
80 to 180
80 to 147
90 to 240
90 to 190
90 to 157
100 to 250
100 to 200
100 to 167
110 to 260
110 to 210
—
120 to 270
120 to 220
—
-20
1 to 1-1/2
1 to 1
1-1/2 to 1
70 to 205
70 to 160
70 to 130
80 to 215
80 to 170
80 to 140
90 to 225
90 to 180
90 to 150
100 to 235
100 to 190
100 to 160
110 to 245
110 to 200
—
120 to 255
120 to 210
—
-10
1 to 1-1/2
1 to 1
1-1/2 to 1
70 to 190
70 to 150
70 to 123
80 to 200
80 to 160
80 to 133
90 to 210
90 to 170
90 to 143
100 to 220
100 to 180
100 to 153
110 to 230
110 to 190
—
120 to 240
120 to 200
—
0
1 to 1-1/2
1 to 1
1-1/2 to 1
70 to 175
70 to 140
70 to 117
80 to 185
80 to 150
80 to 127
90 to 195
90 to 160
90 to 137
100 to 205
100 to 170
100 to 147
110 to 215
110 to 180
—
120 to 225
120 to 190
—
+10
1 to 1-1/2
1 to 1
1-1/2 to 1
70 to 160
70 to 130
70 to 110
80 to 170
80 to 140
80 to 120
90 to 180
90 to 150
90 to 130
100 to 190
100 to 160
100 to 140
110 to 200
110 to 170
—
120 to 210
120 to 180
—
+20
1 to 1-1/2
1 to 1
1-1/2 to 1
70 to 145
70 to 120
70 to 103
80 to 155
80 to 130
80 to 113
90 to 165
90 to 140
90 to 123
100 to 175
100 to 150
100 to 133
110 to 185
110 to 160
—
120 to 195
120 to 170
—
+30
1 to 1-1/2
1 to 1
1-1/2 to 1
70 to 130
70 to 110
70 to 97
80 to 140
80 to 120
80 to 107
90 to 150
90 to 130
90 to 117
100 to 160
100 to 140
100 to 127
110 to 170
100 to 150
—
120 to 180
120 to 160
—