Accessory List

TC-2974
F-27382-1 © Copyright 2006 TAC. All Rights Reserved. 259
Strap-on Thermostat
Model Chart
Specifications
Accessories
Typical Applications
Figure 1 TC-2974 Switch Action and Screw Terminal Identification.
This thermostat provides hot water unit heater
control and summer-winter changeover. May be
used as either an open high control or an open low
control.
Features:
• Available lock cover and concealed setpoint kit.
• Adjustable setpoint.
Model No. Voltage (Vac)
Full
Load Amps
Locked Rotor
Amps
Pilot Duty (VA) Non-inductive (amps)
TC-2974
120 9.8 58.8
360 22
240 8 48.8
Setpoint adjustment range
50 to 210°F (10 to 99°C), graduated external setpoint adjustment marked in °F on one side and °C
on the other.
Sensing element Liquid-filled copper.
Differential 10 F degrees (5.5 C degrees) fixed.
Ambient temperature limits
Case
Storage: -40 to 160°F (-40 to 71°C).
Operating: -40 to 140°F (-40 to 60°C).
Bulb 260°F (127°C) maximum.
Locations NEMA Type 1.
Electrical Switch Heavy duty snap-acting SPDT.
Ratings Refer to Model Chart.
Connections Coded screw terminals.
Case Steel with 1/2 in. to 3/4 in. conduit opening on bottom.
Mounting On up to 4 in. O.D pipe with metal strap and spring provided.
Dimensions 4-5/8 H x 2-1/4 W x 2-5/8 D in. (117 x 57 x 67 mm)
Agency Listing UL, CSA.
General Instructions Refer to F-16441.
Model No. Description
AT-210 Concealed adjustment plate.
C
-
2974
200
1
8
0
160
140
12
0
100
80
60
Red
N.C.
Brown
N.O.
Temperature
Drop
Brown makes ON temperature drop
(Orange) Common