White Rodgers 1F90-60 user manual

Summary of the content on the page No. 1

1F90-60
5-Day/2-Day Electronic Digital Thermostat (for
WHITE-RODGERS
Heating Only Systems)
INSTALLATION INSTRUCTIONS
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/tempera-
tur

Summary of the content on the page No. 2

SPECIFICATIONS ELECTRICAL DATA APPLICATIONS Electrical Rating: For use with: 17 to 30vAC 50/60 Hz. • Standard two-wire heat-only systems 0.05 to 1.5 Amps • Gas or oil fired systems 1.5 Amps Maximum Total Load (All terminals • Millivolt systems combined) • 3-wire zone valve systems Anticipation: Do not use with: Heating 2 to 40 (Reference Values) • Multi-stage systems • Heat pump systems THERMAL DATA • Systems exceeding 30v AC and 1.5 Amps Setpoint Temperature Range: 40°F to 99°F (4°C to 37°

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6. Fasten subbase loosely to wall, as shown in fig. 3, REPLACEMENT INSTALLATION using two mounting screws. Place a level against bottom of subbase, adjust until level, and then tighten REMOVE OLD THERMOSTAT screws. (Leveling is for appearance only and will not affect thermostat operation.) If you are using existing 1. Shut off electricity at the main fuse box until installa- mounting holes, or if holes drilled are too large and do tion is complete. Verify power is off with a voltmeter. not al

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6 MV W From millivolt system THERMOSTAT 6 MV W RH 6 W SYSTEM MV Millivolt System RH From millivolt system Thermostat Terminal Connections Figure 5. Typical Wiring Diagram for Millivolt Systems From zone valve THERMOSTAT 6 W 6 MV W RH SYSTEM MV 64 5 Zone Valve 1 2 Hot 24vAC 120vAC RH From 24vAC transformer Neutral (through zone valve) TRANSFORMER Thermostat Terminal Connections Figure 6. Typical Wiring Diagram for Heat Only, 3-Wire, Zone Valve Systems ATTACH THERMOSTAT TO SUBBASE CAUTION ! POWE

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S3 OPERATION Batteries 6-pin Connector SYSTEM CONFIGURATION ENERGY MANAGEMENT RECOVERY (EMR) When the EMR feature is activated, the thermostat's 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 Figure 8. Back of Thermostat next program period (the thermostat's microcomputer ca

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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 This warranty extends only to persons or organizations who STATEMENTS DATED PRIOR TO MARCH 1, 1988. purchase the Products for resale. THE FOREGOING CONSTI- TUTES SELLER’S SOLE RESPONSIBILITY UNDER THIS WAR- White-Rodgers Division of Eme