User Guide

2 © Copyright 2008 TAC All Rights Reserved. F-18783-4
SPECIFICATIONS
Setpoint Adjustment Range: Setpoint dial marked in °F. See Table-1 for specific ranges.
Sensing Element: Liquid-filled thermal element.
Electrical Switch: One snap-acting SPDT per stage.
Ratings, See Table-1.
Connections: Coded terminals.
Case: Rugged die cast with metal cover. Half inch conduit openings at top and bottom.
Ambient Temperature Limits:
Case, -40 to 140°F (-40 to 60°C).
Bulb, 230°F (110°C).
Output: Switch action is adjustable. See Table-1.
Dimensions:
Case, See Figure-18.
Thermal Element, 3/8" diameter x 9-1/2" long (9.5 mm x 241 mm).
Table-1 Specifications.
*20' (6 m) and 45' (14 m) capillary lengths are available.
**Celsius scale is available as an option. Specify -216 suffix.
†1600 VA maximum load.
ACCESSORIES
AT-201 Copper bulb well (provided)
AT-203 Stainless steel bulb well (provided)
AT-208 Bulb duct mounting kit (order separately)
AT-211 Outside bulb shield (order separately)
AT-401 Housing for hazardous locations
TYPICAL APPLICATIONS
Part
Number
Description Capillary*
Scale
(°F)**
Volts
Switch Ratings (AC Only)†
50/60 Hz
Thermal Differential
°F (°C)
FLA
Amps
LRA
Amps
Resistive
Amps
Pilot
Duty VA
Factory
Set
Adjustable
TC-202
Single stage
heating or cooling
6' copper 10 to 90
120
240
—
—
—
—
12
6
125
125
2 (1.1)
1 to 15
(0.55 to 8.3)
TC-252
Two stage
heating or cooling
6' copper 10 to 90
2 (1.1)
per stage
3 (1.66)
between
stages
2 to 7
(1.1 to 3.8)
per stage
0 to 20 (0 to 11)
between high and
low stages
TC-271 10' armored 0 to 160
TC-282
Three stage
heating or cooling
6' copper 10 to 90
24
120
240
277
3.8
3.8
2.9
—
22.8
22.8
17.4
—
15
15
15
15
26
125
125
—
TC-288
Four stage
cooling only
Figure-1 Typical of TC-202, Single Stage.
B
R
C
Temp. Drop
Figure-2 Typical of TC-252 and TC-271, Two Stage.
B
R
C
Temp. Drop
High
B
R
C
Temp. Drop
Low
R makes on temp. drop.
Heat Cool
First stage R High B Low
Second stage R Low B High