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THERMOSTATS
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70 SERIES
THERMOSTATS
1F72-151
1F78-151
1E78-151
1E78-144
70 SERIES HEAT PUMP – SINGLE STAGE THERMOSTATS
Residential Single Stage and Heat Pump Applications.
70 Series are the Perfect Upgrade from Mechanical Thermostats.
CoversWall Marks Left by Most Mechanical Thermostats the
Need for an Extra Wall Plate
FEATURES
• Fossil fuel or electric compatible.
• Large LCD with backlight.
• Selectable Celsius or Fahrenheit temperature display.
• Includes B/O terminals.
• Electronic accuracy.
SPECIFICATIONS
Electrical Rating:
Hardwire . . . . . . . . . . . . 20 to 30 VAC, NEC Class II, 50/60 Hz
Batterry Power . . . . . . . . . . 20 to 30 VAC, NEC Class II
Terminal Load . . . . . . . . . . 1.0 A per terminal,
1.5 A maximum all terminals combined
Setpoint Range . . . . . . . . . . 45 to 90°F (7 to 32°C)
Rated Differentials - Single Stage Models: Fast
Slow
Heat (Single Stage) . . . . . . . 0.8°F 1.5°F
Cool (Single Stage) Fixed . . . . . 1.2°F
Heat Pump . . . . . . . . . . . 1.2°F 1.5°F
Aux./Emer. Heat . . . . . . . . . 0.8°F 1.2°F
Operating Ambient . . . . . . . . . 32 to +105°F (0 to +41°C)
Operating Humidity . . . . . . . . 90% non-condensing max.
Shipping Temperature Range . . . . -4 to +150°F (-20 to 65°C)
Dimensions . . . . . . . . . . . 3
13
/
16
”
H x 5
1
/
8
”
W x 1
1
/
8
”
D – (1F78)
5
5
/
16
”
H x 3
3
/
16
”
W x 1
1
/
8
”
D – (1E78)
PARTS AND ACCESSORIES
See end of thermostats section for additional parts and accessories
• F61-2510 — Wallplate for 1F models with adaptor for horizontal or
vertical junction box 6
1
/
2
”
W x 4
1
/
2
”
H
• F61-2593 — Wallplate for 1D70, 1E70 models with adaptor for horizontal or
vertical junction box 4
1
/
2
”
W x 6
19
/
32
”
H
• Thermostat Guards — see pages 34–35
24 VOLT