Catalog Page

THERMOSTATS
1C26-101
1C20-101
MECHANICAL
THERMOSTATS
?
PAGE
165
ECONOMY MECHANICAL THERMOSTATS –
MERCURY-FREE
Reliable Performance in an Attractive Design
FEATURES
• Ruggedsnap-actioncontacts.
• Adjustableheatanticipator.
• Bi-Metalthermometer.
• Heat/Coolmodelincludesswitchingsubbase.
• Heat/CoolmodelcompatiblewithElectricHeatsystems.
SPECIFICATIONS
Anticipation Rating, Heating .....  Adjustablefrom0.15to1.2Amps
Anticipation Rating, Cooling .....  Fixed
Differential, Heating ...........  2°F(1.1°C)
Differential, Cooling ...........  4°F(2.2°C)
Dimensions.................. 3
3
/
4
”Hx2
7
/
8
”Wx1
1
/
2
”D
Dimensions,SwitchingModels... 3
3
/
4
”Hx3
1
/
8
”Wx1
5
/
8
”D
Electrical Rating . . . . . . . . . . . . . .  mVto30V,50/60HzorDC
PARTS AND ACCESSORIES See end of thermostats section for additional parts and accessories
• WallplateF61-2499—5
1
/
8
”Hx5”W
• ThermostatGuards—seepages34–35
TECHNICAL HELP
Conguration/Wiring................... Seepage165
Model
Number
Typical
Application
Stages
Heat / Cool
System
Switch
Fan
Switch Contacts
Anticipation
Heat / Cool Range Shape Terminals
1C20-101
Heat Only ➂
1
None➀
None Snap-Action Adjustable 50-90°F(10-32°C) Vertical R, W
1C20-102 Heat Only 1 None None Snap-Action Adjustable 50-90°F(10-32°C) Vertical R, W
1C21-101 Cool Only 1 None None Snap-Action Fixed 50-90°F(10-32°C) Vertical R, Y
1C26-101
Heat/Cool➁
➂
1/1 Heat-Off-Cool Auto-On Snap-Action Adjustable/Fixed 50-90°F(10-32°C) Vertical RC, RH, W,
Y,O,B,G,A
➀ Lowesttemperaturesettingis“OFF”position
➁ Includesoptional“A”terminalconnectionforElectricHeatsystemsthatrequirethethermostattoenergizetheBlower(Gterminal)onacallforheat
➂ IncludesF61-2499wallmountingplatetocovermarksleftbypreviousthermostat
24 VOLT
R-4425-24E
www.white-rodgers.com
25