Instruction/ maintenance manual of the product 875 White Rodgers
Go to page of 8
F AILURE T O READ AND FOLLO W ALL INSTRUCTIONS CAREFULL Y BEFORE INST ALLING OR OPERA TING THIS CONTROL COULD CA USE PERSONAL INJUR Y AND/OR PR OPER TY D AMA GE. This thermostat is intended for use with a low v oltage system; do not use this thermostat with a line voltage system.
2 Mounting holes Mounting holes Electric/Gas switch Screw anchors INST ALLA TION REMO VE OLD THERMOST A T 1. Shut off electricity at the main fuse bo x until installation is complete. Ensure that electrical power is disconnected. 2. Remove the front co ver of the old thermostat.
3 RH 24 VAC 120 VAC Hot Neutral THERMOSTAT SYSTEM G W Figure 2. Typical wiring diagram for heat only, 3-wire, single transformer systems TRANSFORMER Heating System Fan Relay Y C ‡ RC JUMPER WIRE O B For 2-wire Heat only, attach to RH and W NOTE RH Y 24 VAC 120 VAC Hot Neutral TRANSFORMER THERMOSTAT SYSTEM G W Figure 3.
4 Bef ore you begin progr amming your thermostat, you should be f amiliar with its features and with the displa y and the location and operation of the thermostat buttons. Y our ther mostat consists of two par ts: the ther mostat cover and the base . T o remove the cov er , pull it straight out from the base.
5 4) Select Energy Management Reco very OFF or ON – (not av ailable on all Ther mostats) Energy Management Recov er y (EMR) causes the thermostat to star t heating or cooling early to make the building temper ature reach the program setpoint at the time y ou specify .
6 Planning Y our Program Look at the f actor y preprogrammed times and temperatures shown in the sample schedule . If this program will suit your needs, simply press the R UN button to begin running the fac- tor y preset program. If you w ant to change the preprogrammed times and tempera- tures, f ollow these steps.
7 NOTE If you are prog ramming your thermostat for the fi rst time and you w ant programming f or all days of the week to be the same as Monda y’ s program, press R UN or HOLD at this point, and proceed to Enter Cooling Program . (This simplifi ed COPY D A Y f eature only works the fi rst time you program y our ther mostat.
Symptom P ossible Cause Corrective Action No Cool 1. SYSTEM Switch not set to COOL Set SYSTEM Switch to COOL and lower setpoint below room temperature . 2. Loose connection to ther mostat or system. V erify ther mostat and system wires are securely attached.
An important point after buying a device White Rodgers 875 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought White Rodgers 875 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data White Rodgers 875 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, White Rodgers 875 you will learn all the available features of the product, as well as information on its operation. The information that you get White Rodgers 875 will certainly help you make a decision on the purchase.
If you already are a holder of White Rodgers 875, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime White Rodgers 875.
However, one of the most important roles played by the user manual is to help in solving problems with White Rodgers 875. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device White Rodgers 875 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
