White Rodgers 1E78 140 Thermostat User Manual

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Single Stage  
White-Rodgers  
Digital 5/2 Day  
Programmable and  
Non-Programmable  
Battery  
70Series  
E C O N O M Y  
1E78-144  
1E78-151  
The Digital Thermostat That Builds  
1E78-140  
Your Business and Flexes Your Inventory.  
The new vertical 70 Seriesthermostats 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  
ACCURACY  
OPTIMUM COMFORT  
AND PERFORMANCE  
1E78-151  
construction customers who want a quick and easy transition to job completion.  
Single Stage  
2 Programs  
T h e r m o s ta t  
Programming  
Comfort & Convenience  
Choice of 5/2 day programming  
Electronic temperature accuracy  
(weekday/weekend) or non-programmable  
Adjustable room temperature calibration  
4 time and 4 temperature settings per program  
for heating and cooling (1E78-151)  
Performance  
1E78-144  
B & O terminals  
Single Stage  
Non-Programmable  
T h e r m o s ta t  
Energy savings up to 33%  
Meets California Building Code, Title 24  
(1E78-151)  
Display  
Large, easy-to-read thermostat display  
Millivolt compatible  
New — Lighted display for easier  
low-light viewing  
Battery-powered thermostat for maximum  
compatibility (2 “AAA” Energizer  
batteries included)  
®
B
1E78-140  
Single Stage/Heat  
Non-Programmable  
T h e r m o s ta t  
Maintains room temperature differential  
within +/- 1 degree  
ENERGY  
SAVER  
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White-Rodgers  
Single Stage  
Digital 5/2 Day  
Programmable and  
Non-Programmable  
Battery  
70Series  
E C O N O M Y  
Dimensions  
3.25"W x 5.3"H x 1.1"D  
Thermal Specifications  
Accessories  
Wall Plate F61-2593 (4.5"W x 6.6"H)  
Setpoint Temperature Range: 45° to 90°F  
(7° to 32°C)  
Electrical Specifications  
Subbase F4-1748 (3.25"W x 5.3"H)  
Rated Differential: 0.6° to 1.9°F with adjustable  
Rating  
“New Construction Stat” 1D78-140 with  
heat only 65° setpoint  
anticipation  
0 to 30 VAC, 50/60 Hz or DC  
Operating Ambient Temperature: 32° to 105°F  
(0° to 40°C)  
0.05 to 1.0 Amp (load per terminal)  
Thermostat Guard F29-0143  
(For additional guard options refer to White-Rodgers catalog.)  
1.5 Amps maximum load (all terminals  
combined)  
Operating Humidity Range: 90%  
non-condensing maximum  
For Additional Information  
Standard Systems  
Single stage gas, oil, electric  
Shipping Temperature Range: -4° to 150°F  
(-20° to 65°C)  
Single stage heat pump  
(1E78-151 and 1E78-144)  
Millivolt compatible  
Terminal Designations  
1E78-151, 1E78-144 and F4-1748  
1E78-140  
RC  
RH  
W
Y
G
O
B
RH  
W
“New Construction Stat”  
1D78-140  
Wall Plate F61-2593  
F4-1748 Subbase mounted on 2" x 4" Junction  
Box with 1D78-140 “New Construction Stat”  
1E78-151  
Single Stage  
2 Programs  
T h e r m o s ta t  
1E78-144  
Single Stage  
Non-Programmable  
T h e r m o s ta t  
Application Guide  
Series  
90 - Premium  
System  
Programs  
7 day  
5/1/1 day  
5/2 day  
Power Source  
Power stealing w/battery back-up  
Hardwired/battery  
Battery  
Hardwired  
Single Stage  
Multi-Stage  
Heat Pump  
1E78-140  
80 - Standard  
70 - Economy  
Single Stage/Heat  
Non-Programmable  
T h e r m o s ta t  
Non-programmable  
Controlling Indoor Comfort Worldwide  
Since 1937  
St. Louis, Missouri  
314-577-1300  
Markham, Ontario  
905-201-4701  
WR-6526  
The Emerson logo is a trademark and  
a service mark of Emerson Electric Co.  

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