Specification Sheet

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23
THERMOSTATS
ECONOMY MECHANICAL THERMOSTATS
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.
• Classic White color.
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
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
PARTS AND ACCESSORIES See end of this section for parts and accessories
• Thermostat Guards — see pages 28-29
• Wallplate F61-2499 — 5
1
/
8
”H x 5”W
1C26-101
Model Typical Stages System Fan Anticipation
Number Application Heat/Cool Switch Switch Contacts 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 1/1 Heat-Off-Cool Auto-On Snap-Action Adjustable/Fixed 50-90°F (10-32°C) Vertical RC, RH, W,
➂ Y, G, O, B, A
LOW VOLTAGE
THERMOSTATS
1C20-101
TECHNICAL HELP
Conguration/Wiring. . . . . . . . . . . . . . . . . . . See page 191
SINGLE STAGE
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