Home > WHITE RODGERS > WHITE-RODGERS 1F90-71 5-Day 2-Day Electronic Digital Thermostat Instruction Manual
WHITE-RODGERS 1F90-71 5-Day 2-Day Electronic Digital Thermostat Instruction Manual
1F90-71
5-Day/2-Day Electronic Digital Thermostat
WHITE-RODGERS
INSTALLATION INSTRUCTIONS
Operator: Save these insructions for future use!
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY
BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE
PERSONAL INJURY AND/OR PROPERTY DAMAGE.
DESCRIPTION
This wall-mounted, low voltage thermostat maintains
room temperature by controlling the operation of heating
and cooling systems. The user may program up to four
time/temperature settings per 24 hour period. The ther-
mostat stores independent heating and cooling programs
for 5-day (weekday) and 2-day (weekend) periods. The
thermostat will store both heating and cooling programs
simultaneously.Three“AA”Energizer® batterieswillmain-
tain the stored program for approximately one year, if
incoming power should fail. If power failure is extensive
and the program is lost, after power restoration, the
thermostat will automatically maintain a factory
preprogrammed heating temperature of 64°F or a cooling
temperature of 82°F.
PRECAUTIONS
Ifindoubtaboutwhetheryourwiringismillivolt,line,orlow Do not exceed the specification ratings.
voltage, have it inspected by a qualified heating and air
All wiring must conform to local and national electrical
codes and ordinances.
conditioning contractor, electrician, or someone familiar
with basic electricity and wiring.
This control is a precision instrument, and should be
handled carefully. Rough handling or distorting compo-
nents could cause the control to malfunction.
CONTENTS
CAUTION
!
Description ......................................................... 1
Precautions ........................................................ 1
Specifications..................................................... 2
Installation.......................................................... 2
New Installation
To prevent electrical shock and/or equipment
damage, disconnect electric power to system, at
main fuse or circuit breaker box, until installation
is complete.
Select Thermostat Location
Route Wires to Location
Replacement Installation
WARNING
!
Remove Old Thermostat
Attach Subbase to Wall
Attach Thermostat to Subbase
Operation ........................................................... 6
System Configuration
Do not use on circuits exceeding specified volt-
age. Higher voltage will damage the control and
could cause shock or fire hazard.
A. Set Group A Option Switches
B. Set Group B Option Switches
C. Electric Heat Systems
Donotshortoutterminalsongasvalveorprimary
control to test. Short or incorrect wiring will burn
out thermostat and could cause personal injury
and/or property damage.
Check Thermostat Operation
Fan Operation
Heating System
Cooling System
Troubleshooting
WHITE-RODGERS DIVISION
EMERSON ELECTRIC CO.
9797 REAVIS ROAD
PART NO. 37-5086B
Replaces 37-5086A
9517
Printed in U.S.A.
ST. LOUIS, MISSOURI 63123-5398
R
| General | Details |
|---|---|
| Name | WHITE-RODGERS 1F90-71 5-Day 2-Day Electronic Digital Thermostat Instruction Manual |
| Make | WHITE RODGERS |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.13 MB |
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White-Rodgers 1F90-71 5-Day 2-Day Manual: Questions and Answers
What voltage range does the White-Rodgers 1F90-71 thermostat require?
17 to 30 VAC, 50/60 Hz. Instruction Manual, p. 2
Where do I install the White-Rodgers 1F90-71 thermostat on my wall?
On a partitioning wall, not an outside wall, about 5 feet above the floor, away from direct sunlight, windows, doors, air registers, and pipes or ductwork. Instruction Manual, p. 2
What battery type does the White-Rodgers 1F90-71 5-Day 2-Day thermostat use?
Three AA Energizer batteries maintain the program for approximately one year if power fails. Instruction Manual, p. 1
Can the White-Rodgers 1F90-71 5-Day 2-Day thermostat work with a millivolt heating system?
Yes. The thermostat supports millivolt systems and includes an MV terminal for connection to millivolt system controllers. Instruction Manual, p. 5
Why won't my White-Rodgers 1F90-71 5-Day 2-Day thermostat attach to the subbase?
Check alignment and connection.
- Align the plastic snap guides at the bottom of the thermostat with the connectors near the bottom left of the subbase
- Ensure the three connector pins on the thermostat line up with the connectors on the subbase
- Push excess wire into the wall so it does not interfere with attachment
- Do not use force, as it may damage the thermostat Instruction Manual, p. 6
How long must batteries stay removed when changing option switches?
A minimum of two minutes when modifying Group B option switches. Do not remove batteries when adjusting Group A switches. Instruction Manual, p. 6
What does the Limited Temperature Range setting do on the White-Rodgers 1F90-71?
Temperature may be raised or lowered only within the programmed limits, and cannot exceed the lowest cooling or highest heating program temperatures. The ADV, HOLD, SET, PRGM, TEMP, and DAY buttons are disabled. Instruction Manual, p. 6
What's the difference between Automatic Changeover and Limited Temperature Range on the White-Rodgers 1F90-71 5-Day 2-Day?
| Setting | Function |
|---|---|
| Automatic Changeover | Thermostat automatically switches between heating and cooling programs to maintain desired room temperature |
| Limited Temperature Range | Temperature adjustments are restricted within programmed limits; several buttons are disabled |
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