EMERSON White-Rodgers 1F90-60 thermostat INSTALLATION INSTRUCTIONS

EMERSON White-Rodgers 1F90-60 thermostat

Operator: Save these instructions 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 systems. The user may program up to four time/temperature settings per 24-hour period. The thermostat stores independent heating programs for 5-day (weekday) and 2-day (weekend) periods. Three “AA” Energizer® batteries will maintain the stored program for approximately one year if incoming power should fail. If the 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.

PRECAUTIONS

If in doubt about whether your wiring is millivolt, line, or low voltage, have it inspected by a qualified heating and air conditioning contractor, electrician, or someone familiar with basic electricity and wiring. Do not exceed the specification ratings. All wiring must conform to local and national electrical codes and ordinances. This control is a precision instrument and should be handled carefully. Rough handling or distorting components could cause the control to malfunction.

CAUTION
To prevent electrical shock and/or equipment damage, disconnect electric power to the system, at the main fuse or circuit breaker box, until installation is complete.

WARNING
Do not use on circuits exceeding specified voltage. Higher voltage will damage control and could cause shock or fire hazards.
Do not short out terminals on the gas valve or primary control to test. Short or incorrect wiring will burn out the thermostat and could cause personal injury and/or property damage.

SPECIFICATIONS

ELECTRICAL DATA Electrical Rating:

• 17 to 30vAC 50/60 Hz.
• 0.05 to 1.5 Amps
• 1.5 Amps Maximum Total Load (All terminals combined)

Anticipation
Heating 2 to 40 (Reference Values)

THERMAL DATA
Setpoint Temperature Range: 40°F to 99°F (4°C to 37°C)

Operating Ambient Temperature Range
32°F to 105°F

Operating Humidity Range
0 to 90% RH (non-condensing) Shipping Temperature Range

APPLICATIONS
For use with:

• Standard two-wire heat-only systems
• Gas or oil-fired systems
• Millivolt systems
• 3-wire zone valve systems

Do not use it with

• Multi-stage systems
• Systems exceeding 30v AC and 1.5 Amps

ACCESSORIES
Thermostat Guard W. R. Part No. F29-0198 (clear) or F29-0238 (opaque)

INSTALLATION

NEW INSTALLATION
You should program the thermostat with batteries installed before attaching to the sub-base. See OPERATION GUIDE for programming instructions.

SELECT THERMOSTAT LOCATION
Proper location insures that the thermostat will provide a comfortable building temperature. Observe the following general rules when selecting a location:

1. Locate the thermostat about 5 ft. above the floor.
2. Install the thermostat on a partitioning wall, not on an outside wall.
3. Never expose the thermostat to direct light from lamps, sun, fireplaces, or any temperature-radiating equipment.
4. Avoid locations close to windows, adjoining outside alls, or doors that lead outside.
5. Avoid locations close to air registers or in the direct path of air from them.
6. Make sure there are no pipes or ductwork in that part of the wall chosen for the thermostat location.
7. Never locate a thermostat in a room that is normally warmer or cooler than the rest of the building.
8. Avoid locations with poor air circulation, such as behind doors or in alcoves

ROUTE WIRES TO THE LOCATION
All wiring must conform to local and national electrical codes and ordinances.

1. Probe for obstructions in the partition before drilling 1/2″ hole in the wall at the selected location. Take up a quarter round and drill a small guide hole for sighting (see fig. 1). From the basement, drill a 3/4″ hole in the partition floor next to the guide hole. In basementless buildings, drill 1/2″ hole through the ceiling and into the partition from above.
2. Through this hole drop a light chain, or 6″ chain attached to a strong cord. Snag cord in the basement with hooked wire. In basementless buildings, drop cord through holes in the ceiling and down partitioning; snag the cord at the thermostat location.
3. Attach the thermostat wire to the cord and pull the wire through the hole in the wall so that 6″ of wire protrudes.

REPLACEMENT INSTALLATION REMOVES THE OLD THERMOSTAT

1. Shut off electricity at the main fuse box until installation is complete. Verify power is off with a voltmeter.
2. Remove the front cover of the old thermostat. With wires still attached, remove the wall plate from the wall.
3. If the old thermostat has a wall mounting plate, remove the thermostat and the wall mounting plate as an assembly.
4. Label each wire as you disconnect it.

PULL AT AT LEAST SIX INCHES OF WIRE OUT OF THE WALL WHEN YOU DISCONNECT IT – DO NOT ALLOW THE WIRES TO FALL BACK INTO THE WALL. ATTACH SUB BASE TO WALL

1. Remove the packing material from the thermostat. Place the fingers of one hand on the center top and bottom portion of the thermostat. Grasp the sub base in the other hand on the top and bottom center, and gently pull straight out (see fig. 2). The thermostat has pin and socket connectors. Forcing or prying on the thermostat will cause damage to the unit.
2. Pull wires through the opening in the center of the sub-base.
3. DO NOT LET WIRES FALL BACK INTO THE WALL.
4. Connect wires beneath terminal screws on the subbase using the appropriate wiring schematic (see figs. 3 through 6).
5. Place the subbase over a hole in the wall and mark mounting hole locations on a wall using the subbase as a template. 5. Move the sub-base out of the way. Drill mounting holes
6. Fasten the subbase loosely to the wall, as shown in fig. 3, using two mounting screws. Place a level against the bottom of the sub-base, adjust until level, and then tighten the screws. (Leveling is for appearance only and will not affect thermostat operation.) If you are using existing mounting holes, or if the holes drilled are too large and do not allow you to tighten the subbase snugly, use plastic expansion plugs to secure sub base.
7. Push excess wire into the wall and plug the hole with a fire-resistant material (such as fiberglass insulation) to prevent drafts from affecting thermostat operation.

CAUTION
To prevent electrical shock and/or equipment damage, disconnect electrical power at the main fuse box or circuit breaker until installation is complete

NOTE
All wiring diagrams are for typical systems only. Refer to equipment manufacturers’ instructions for specific system wiring information.

ATTACH THERMOSTAT TO SUB BASE POWER TO THE THERMOSTAT MUST BE OFF BEFORE ATTACHING THE THERMOSTAT TO THE WALL. FAILURE TO TURN OFF POWER BEFORE ATTACHING THE THERMOSTAT MAY CAUSE EQUIPMENT DAMAGE DUE TO RAPID COMPRESSOR CYCLING.

To attach the thermostat to the subbase, line up the plastic snap guides at the top of the thermostat and the six connector pins on the thermostat with the connectors near the top of the subbase. Gently pivot the thermostat down until the plastic snaps lock into place (see fig. 7). Be gentle when attaching the thermostat. If the thermostat does not seem to be attaching to the sub-base easily, make sure that the connector pins and plastic snaps are properly aligned, and that excess wire is pushed into the wall. Damage to the thermostat may occur if force is used.

ATTACH THERMOSTAT TO SUB BASE
THE POWER TO THE THERMOSTAT MUST BE OFF BEFORE ATTACHING THE THERMOSTAT TO THE WALL. FAILURE TO TURN OFF POWER BEFORE ATTACHING THE THERMOSTAT MAY CAUSE EQUIPMENT DAMAGE DUE TO RAPID COMPRESSOR CYCLING.

To attach the thermostat to the subbase, line up the plastic snap guides at the top of the thermostat and the six connector pins on the thermostat with the connectors near the top of
the subbase. Gently pivot the thermostat down until the plastic snaps lock into place (see fig. 7). Be gentle when attaching the thermostat. If the thermostat does not seem to be attaching to the sub-base easily, make sure that the connector pins and plastic snaps are properly aligned, and that excess wire is pushed into the wall. Damage to the thermostat may occur if force is used.

OPERATION

SYSTEM CONFIGURATION ENERGY MANAGEMENT RECOVERY (EMR)

When the EMR feature is activated, the thermostat microcomputer automatically calculates the time it will take to change the temperature to the next program setting. Then the thermostat will activate the heating system to change the temperature so that the desired temperature is reached at or near the beginning of the next program period (the thermostat’s microcomputer
calculates 15 minutes for every 2°F temperature change). For example, assume that the thermostat is programmed to provide an overnight heating temperature of 62°F, and during the next program period, programmed to begin at 6:00 AM, the programmed temperature is 70°F. With EMR activated, the thermostat will automatically activate the heating system at 5:00 AM, so that the programmed temperature of 70°F is reached by about 6:00 AM. The thermostat is shipped with the EMR feature inactive, which means that the thermostat will activate the heating
or cooling system at, not before, the beginning of the program period (real-time). To activate the EMR function, clip wire S3 on the back of the thermostat (see fig. 8).

CHECK THERMOSTAT OPERATION
If at any time during testing the system does not function correctly, disconnect electrical power at the fuse box or circuit breaker and check that all wiring is correct.

HEATING SYSTEM

1. Press until HEAT is displayed (it may already be displayed).
2. Press to adjust the thermostat above room temperature to call for heat. The heating system should begin to operate.

Refer to the OPERATION GUIDE if you need additional information on thermostat operation.

TROUBLESHOOTING

Refer to the Question & Answer section of the OPERATION GUIDE for information on troubleshooting the thermostat. If you need further information about this product, please write to:
WHITE-RODGERS
Division of Emerson Electric Co.
9797 Reavis Road
St. Louis, MO 63123-5329
ATTN: Technical Service Department

WARRANTY INFORMATION

THIS WARRANTY STATEMENT SUPERSEDES ALL WARRANTY STATEMENTS DATED PRIOR TO MARCH 1, 1988. White-Rodgers Division of Emerson Electric Co. (“Seller”) warrants
that its products purchased for resale (the “Products”) will be free from defects in material and workmanship under normal use and service for a period of twelve (12) months from the date of installation. Seller’s obligation under this warranty, and Purchaser’s exclusive remedy for the breach thereof, shall be limited to, at Seller’s option, Seller’s replacement of any defective Product F.O.B. Seller’s factory, or Seller’s issuance of a credit in the amount of the purchase price of such Product for resale as described below. Seller shall have the option of requiring the return of any defective Product, transportation charges prepaid, before recognizing any claim.

This warranty shall not apply to any Product (1) which has been repaired or altered outside Seller’s factory or by other than Seller in any manner so as, in Seller’s judgment, to affect its serviceability or proper operation; (2) which has been subjected by persons other than Seller to improper handling, the operation, maintenance, repair or alteration; or (3) which has been
subjected to misuse, negligence, or accident. This warranty extends only to persons or organizations who purchase the Products for resale. THE FOREGOING CONSTITUTES

SELLER’S SOLE RESPONSIBILITY UNDER THIS WARRANTY, AND PURCHASER’S EXCLUSIVE REMEDY FOR BREACH THEREOF. EXCEPT AS OTHERWISE EXPRESSLY AS SET FORTH IN THIS AGREEMENT, THERE ARE NO OTHER WARRANTIES, EXPRESS OR IMPLIED, WHETHER OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
OTHERWISE. SELLER SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH THE SALE, RESALE, OR USE OF THE PRODUCTS.

Complete warranty information and instructions for replacing/ returning warranty products can be found in the White-Rodgers Product Catalog, or by telephoning or writing to:

• White-Rodgers Division
• Emerson Electric Co.
• 9797 Reavis Road
• St. Louis, Missouri 63123-5329 (314) 577-1300

WARRANTY INFORMATION FOR CONSUMERS

When you purchase a White-Rodgers Division product, it is typically for the replacement of a device that has failed on existing residential or commercial equipment, or a component of new
equipment purchased for modernization. While our warranty does not extend to you, your contractor or dealer is protected by a one-year product warranty from White- Rodgers. Your supplier can rely on a nearby White Rodgers wholesaler for prompt credit or replacement.

REFERENCE:

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EMERSON White-Rodgers 1F90-60 thermostat INSTALLATION INSTRUCTIONS