Emerson 1E78-140, 1E78-144, 1E78-151 User Manual
White-Rodgers
™
70 Series
Single Stage Thermostat
• Digital 5/2 Day Programmable
or Non-Programmable
• Battery Powered
1E78-151
Single Stage
5/2 Day Programmable
1E78-144
Single Stage
Non-Programmable
1E78-144
Single Stage
ACCURACY
OPTIMUM COMFORT
AND PERFORMANCE
1E78-140
Single Stage/Heat Only
Non-Programmable
1E78-140
The Digital Thermostat That Builds
Your Business And Flexes Your Inventory.
The vertical 70 Series™ thermostats build your new construction
business. It's the first series of flexible thermostats enabling
customers to wire and mount one subbase for use with the temporary
new construction thermostat and easily snap on an upgrade to any
1E78 digital model upon building completion. The vertical 70 Series
low-profile design blends narrow width with new home decors.
The universal subbase, for use with all 1E78 models, is designed
to mount on a 2" x 4" junction box or directly to the wall. There is also
an optional wallplate for use in retro-fit applications. The 70 Series
thermostats are battery powered, making them easy to install and
compatible with most heating and cooling systems. The vertical
70 Series is perfect for new construction customers who want
a quick and easy transition to job completion.
1E78-151
White-Rodgers
1E78-151
5/2 Day Programmable
™
70 Series
Programming
Choice of 5/2 day programming
(weekday/weekend) or non-programmable
4 time and 4 temperature settings per
program for heating and cooling
(1E78-151)
Energy savings up to 33%
Single Stage Thermostat
Display
Large, easy-to-read thermostat display
Lighted display for easier low-light viewing
Comfort & Convenience
Electronic temperature accuracy
Adjustable room temperature calibration
Terminal Designations (1E78-151, 1E78-144, F4-1748)
RH
W
Cooling
System
O
Energized
in Cooling
B
G
Blower/Fan
“New Construction Stat”
Energized
in Heating
RC
24V Hot
(cooling)
24V Hot
(heating)
Heating
System
Wall Plate F61-2593
Y
1D78-140
1E78-144
Non-Programmable
1E78-140
Non-Programmable, Heat only
Performance
B & O terminals
Meets California Building Code, Title 24 (1E78-151)
Millivolt compatible
Battery-powered thermostat for maximum
compatibility (2 “AAA” premium brand batteries included)
Maintains room temperature differential
within +/- 1 degree
Terminal Designations (1E78-140)
RH
W
24V Hot
(heating)
Heating
System
F4-1748 Subbase mounted on 2" x 4" Junction Box (not supplied)
with 1D78-140 “New Construction Stat”
Dimensions
3.25"W x 5.3"H x 1.1"D
Electrical Specifications
Rating
0 to 30 VAC, 50/60 Hz or DC
0.05 to 1.0 Amp (load per terminal)
1.5 Amps maximum load (all terminals combined)
Standard Systems
Single stage gas, oil, electric
Single stage heat pump
(1E78-151 and 1E78-144)
Millivolt compatible
St. Louis, Missouri Markham, Ontario
314-553-3600 905-201-4701
Thermal Specifications
Setpoint Temperature Range:
45° to 90°F (7° to 32°C)
Rated Differential:
0.6° to 1.9°F with adjustable anticipation
Operating Ambient Temperature:
32° to 105°F (0° to 40°C)
Operating Humidity Range:
90% non-condensing maximum
Shipping Temperature Range:
-40° to 150°F (-40° to 65°C)
www.white-rodgers.com
1D78-140
The Emerson logo is a trademark and
a service mark of Emerson Electric Co.
F4-1748
Accessories
Wall Plate F61-2593 (4.5"W x 6.6"H)
Subbase F4-1748 (3.25"W x 5.3"H)
“New Construction Stat” 1D78-140 with
heat only 65 setpoint (Must be used with
F4-1748 subbase)
Thermostat Guard F29-0143
(For additional guard options refer
to White-Rodgers catalog)
For Additional Information
Visit www.white-rodgers.com
WR-6526-2
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