Instruction/ maintenance manual of the product 1F87-0261 White Rodgers
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www .white-rodgers.com This thermostat is intended for use with a low v oltage NEC Class II system. Do not use this thermostat with a line voltage system. If in doubt about whether your wiring is milliv olt, line, or low v oltage, hav e it inspected by a qualified heating and air conditioning contractor or electrician.
2 INST ALLA TION REMO VE OLD THERMOST A T 1. Shut off electr icity at the main fuse box until installation is complete. Ensure that electr ical power is disconnected. 2. Remov e the front cover of the old ther mostat.
3 ENERGY MANA GEMENT RECO VER Y (EMR) When the EMR f eature is activated the thermostat’ s microcomputer calculates the time it will take to change the room temperature to the next heat or cool program setting.
4 WIRING DIA GRAMS R C G W Figure 4. T ypical wiring diagram for tw o transformer single stage systems with safety cir cuits in BO TH systems Changeo ve r Relay* Y O/B Compressor Contactor * Changeove.
5 The configuration menu allows you to set cer tain ther mostat operating characteristics to your system or personal requirements. T o enter the menu: Set your ther mostat to OFF and press the and buttons simultaneously .
6 Cooling System 1. Mov eSYSTEMswitchto COOL position. 2. Press to adjust thermostat setting below room temperature. The blo wer should come on immediately on highspeed,follow ed bycoldaircirculation.
7 PR OGRAMMING PROGRAMMING Y OUR THERMOST A T This section will help you plan y our ther mostat’ s program to meet your needs. F or maximum comfort and efficiency , keep the f ollowing guidelines in mind when planning y our program.
8 4. Press TIME once (the programmed time will ash). Press or until your selected time appears. The time will changein 15 minuteincrements. Whenyourselectedtime is display ed, press TIME again to retur n to the change temperature mode.
9 TR OUBLESHOO TING Reset Operation If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation, reset the ther mostat by pressing the , and TIME buttons simultaneously .
10 NO TES.
11 NO TES.
www .white-rodgers.com White-Rodgersisadivision of Emerson Electric Co. The Emerson logo is a trademark and service mar k of Emerson Electric Co.
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