Emerson 1E78 140 Thermostat User Manual

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White-Rodgers  
7
0 Series  
Single Stage  
ACCURACY  
OPTIMUM COMFORT  
AND PERFORMANCE  
Single Stage Thermostat  
Digital 5/2 Day Programmable  
or Non-Programmable  
Battery Powered  
1
E78-151  
Single Stage  
/2 Day Programmable  
5
1
E78-144  
1E78-144  
Single Stage  
Non-Programmable  
1
E78-140  
Single Stage/Heat Only  
Non-Programmable  
1
E78-140  
1
E78-151  
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  
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.  
1
E78 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  
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1
E78-151  
5
/2 Day Programmable  
White-Rodgers  
1
E78-144  
Non-Programmable  
7
0 Series Single Stage Thermostat  
1
E78-140  
Non-Programmable, Heat only  
Programming  
Display  
Performance  
B & O terminals  
Choice of 5/2 day programming  
Large, easy-to-read thermostat display  
Lighted display for easier low-light viewing  
(weekday/weekend) or non-programmable  
Meets California Building Code, Title 24 (1E78-151)  
4
time and 4 temperature settings per  
program for heating and cooling  
1E78-151)  
Energy savings up to 33%  
Comfort & Convenience  
Electronic temperature accuracy  
Adjustable room temperature calibration  
Millivolt compatible  
Battery-powered thermostat for maximum  
(
compatibility (2 “AAA” premium brand batteries included)  
Maintains room temperature differential  
within +/- 1 degree  
Terminal Designations (1E78-151, 1E78-144, F4-1748)  
Terminal Designations (1E78-140)  
RC  
RH  
W
Y
G
O
B
RH  
W
2
4V Hot  
24V Hot  
(heating)  
Heating  
System  
Cooling  
System  
Blower/Fan Energized Energized  
in Cooling in Heating  
24V Hot  
(heating)  
Heating  
System  
(
cooling)  
Wall Plate F61-2593  
“New Construction Stat”  
D78-140  
F4-1748 Subbase mounted on 2" x 4" Junction Box (not supplied)  
with 1D78-140 “New Construction Stat”  
1
F4-1748  
1
D78-140  
Dimensions  
.25"W x 5.3"H x 1.1"D  
Thermal Specifications  
Accessories  
3
Setpoint Temperature Range:  
Wall Plate F61-2593 (4.5"W x 6.6"H)  
Subbase F4-1748 (3.25"W x 5.3"H)  
45° to 90°F (7° to 32°C)  
Electrical Specifications  
Rated Differential:  
0.6° to 1.9°F with adjustable anticipation  
New Construction Stat” 1D78-140 with  
Rating  
heat only 65 setpoint (Must be used with  
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)  
Operating Ambient Temperature:  
32° to 105°F (0° to 40°C)  
F4-1748 subbase)  
Thermostat Guard F29-0143  
(For additional guard options refer  
to White-Rodgers catalog)  
Operating Humidity Range:  
9
0% non-condensing maximum  
Shipping Temperature Range:  
40° to 150°F (-40° to 65°C)  
Standard Systems  
Single stage gas, oil, electric  
For Additional Information  
-
Single stage heat pump  
Visit www.white-rodgers.com  
(1E78-151 and 1E78-144)  
Millivolt compatible  
St. Louis, Missouri Markham, Ontario  
14-553-3600 905-201-4701  
www.white-rodgers.com  
3
The Emerson logo is a trademark and  
a service mark of Emerson Electric Co.  
WR-6526-2  

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