Overview of 70 Series

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Education
Central
Engage, Apply, Retain
White-Rodgers 70 Series
Thermostats
Homeowner Support Hotline:
800-284-2925
Note: This module covers common elements. Refer
to Specification Sheet or Instruction Sheet for
detailed information.
Education You Can Build On
White-Rodgers 70 Series Thermostat
Selecting the Right Thermostat for the Job
Heat Pump
1F72-151
Single Stage / Heat Pump
1F78-144 (H)
1E78-144 (V)
1/1
Single Stage
1E78-140
1/Ø
Heat Pump
1F79-111
Humidity Control
1/1
Millivolt Compatible
1F78-151 (H)
1E78-151 (V)
3-Wire Zone Value
Single Stage / Heat Pump
Programming Options
Power Source
Gas/Oil/Electric
Model Number
Applications
Heat Pump
Single Stage (SS)
Multi-Stage (MS)
Heat Pump (HP1 or HP2)
Universal (All)
Multi-Stage
Model
Single Stage
Stages Heat /
Cool by System
Application Coverage by System
1/1
✓
2/1
✓
1/1
✓
✓
Ø
Ø
B
✓
✓
Ø
Ø
B
Ø
Ø
H
2/1
✓
✓
Program Days per
Week
Program
Periods per
Day
Hardwire
Battery
Power Assist
5+2
4
B
5+2
4
H
White-Rodgers 70 Series Thermostats Agenda
• Applications
• Wiring
• Configuration
• Programming
Featured Products In This Module
– 1E/F78-151
• Single Stage / Programmable
• Vertical and Horizontal
– 1E72-151
• Heat Pump / Programmable
• Vertical
Look at the Box for Detailed Information
Staging By System Type
Programming Options
Applications
Terminal Identification
Part Number
White-Rodgers 70 Series Thermostat Overview
The Digital Thermostats That
Builds Your Business and
Flexes Your Inventory
• Vertical or Horizontal Options
• Single Stage or Two Stage Heat Pump
• Hardwire or Battery Only Options
• Millivolt Compatible
• Choice of Programmable or Non-Programmable
• Meets California Building Code, Title 24
• Comfort Alert™ Compressor Protection
• +/-1 Degree Accuracy- For Optimum Comfort and Equipment Life
White-Rodgers 70 Series
Specification Sheets Contain Detailed Information
White-Rodgers 70 Series Applications
1E Series
(Vertical)
Application
Stages
Conventional Heat Only
1/0
1F Series
(Horizontal)
Programming
Type
0
1E78-140
Vertical
1E78-144
Vertical
1F78-144
Horizontal
1E78-151
Vertical
1F78-151
Horizontal
0
1F79-111
Horizontal
5+2
1F72-151
Horizontal
Orientation
0
Conventional or Heat Pump
with No Aux
1/1
5+2
Heat Pump Only With Aux
2/1
White-Rodgers 70 Series Terminal Designations
Conventional
White-Rodgers 1F70
Terminal
W
E
W2
Y
O/B
O and B
G
Description
Orientation
Programming
Stages
Heat Only
1E78-140
Horizontal
0
1/0
1st Stage Heat
●
Emergency Heat
Relay
Aux 1st Stage for
HP
1st Stage
Compressor
Reversing Valve
Combined
Reversing Valve
Separate
Fan Relay
R
24 VAC Hot (TH)
Combined
RH and RC
24 VAC Hot (TH)
Separate
C
24 VAC Common
(TR) Wire
L
Diagnostics
Notes:
Heat Pump
HP Only With
CONV or HP With No Aux *
Aux/Emer**
1E78-151 1F78-151 1E78-144 1F78-144 1F79-111
1F72-151
Vertical Horizontal Vertical Horizontal Horizontal Horizontal
5+2
0
0
5+2
1/1
2/1
●
●
●
●
●
●
●
●
●
●
● (RH Only)
●
●
* Requires Field Wiring from Y to W for Heat
Pump
●
** Heat Pump Only
Y is 1st Stage Heat
70 Series Application Jumpers and Switches
1E78-140
1E/F78-151
1E/F78-144
●
●
●
●
●
●
●
●
●
1F79-111
1F72-151
●
●
●
●
●
●
●
●
●
Jumpers
EMR
W903
F° to C°
W904
Slower Cycles
W905
Fast 2nd stage W906
Switches
Gas/Electric Fan Selection
O/B Selection
JUMPERS
•W903, Disables EMR on Programmable
Thermostats
•W904, Changes Display From F° to C°
•W905 , Slows the Cycle Rate by Opening the
Temperature Differential for longer run times.
This is typically used on hydronic applications
•W906, For Emergency Heat 2nd Stage Fan
Control
SWITCHES
• O/B Reversing Valve. Determines
when the reversing valve is energized
• Electric/Gas, If used on an application
where the fan is energized immediately
on a call for heat (ie electric furnace or
heat pumps) turn the switch to ELEC
Fossil Fuel Wiring
1E78 and 1F78
•
For Two Transformer Systems Remove the Jumper Between RC and RH
Heat Pump Wiring
1E78 and 1F78
1F72 and 1F79
•
•
•
•
•
Reversing Valve Energized will be
determined by either by “O” for
Cooling or “B” for Heating
Terminals
Jumper Required between “Y” and
W to use on a Heat Pump
For Two Transformer Systems
Remove the Jumper Between RC
and RH
Reversing Valve Energized will be
based on moving selection switch
on back of subbase.
Jumper Required between W2
and E to use a single Aux Heat for
both 2nd Stage Heat and
Emergency System Switch
Operation
70 Series Navigation
Day of Week
Desired Temperature
Time of Day
Alternates to
Actual Room
Temperature
Temperature or Config
Adjustment Buttons
Time
Button
Program
Hold
Button
Button
Run
Fan
Button
Button
System
Button
1E78 is the same but
in a vertical position
1F72-151 Entering System Configuration
2. Press Hold Button to
Advance the Menu
Most technical
service calls are
the result of
improper system
configuration
1. Press PRGM and RUN at the
same time
70 Series Programming Worksheet
Technical Service has never spoken to anyone who
could not program the thermostat once they filled out the
schedule worksheet in the manual and KEPT it.
Save a call back and fill it out the form from the
homeowners manual with the homeowner. Ensure they
have the Homeowner Support Hotline: 800-284-2925
70 Series Set Time and Day
Set Current Time and Day
1. Press TIME button once. The display will
show the hour only
2. Press and hold either UP or DOWN until
you reach the correct hour and AM/PM
designation (AM begins at midnight; PM
begins at noon)
3. Press TIME once again. The display
window will show the minutes only.
4. Press and hold either UP or DOWN until
you reach the correct minutes.
5. Press TIME once again. The display will
show the day of the week.
6. Press UP or DOWN until you reach the
current day of the week.
7. Press RUN once. The display will show
the correct time, day, room temperature
and set-point temperature.
70 Series How To Set A Program
1. Move the SYSTEM switch to Heat
2. Press PRGM once. “Mo Tu We Th Fr” (indicating weekday
program) will appear in the display.
3. Press UP or DOWN to change the displayed temperature to
your selected temperature for the 1st program period.
4. Press TIME once (the programmed time will flash). Press UP or
DOWN until your selected time appears. The time will change
in 15 minute increments. When your selected time is displayed,
press TIME again to return to the change temperature mode.
5. Press PRGM once. The currently programmed start time and
setpoint temperature for the 2nd program period will appear.
6. Repeat steps 4 and 5 to select the start time and temperature
for the 2nd program period.
7. Repeat steps 4 through 6 for the 3rd and 4th program periods.
8. Press PRGM once. “SA” (indicating Saturday program) will
appear in the display, along with the start time for the 1st period
and the currently programmed temperature.
9. Repeat steps 4 through 8 to complete weekend programming.
10.When you have completed entering your program, press RUN.
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