Instruction/ maintenance manual of the product 750 Emerson
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CONTENTS Preparations .................................................. 1 Thermostat Details ........................................ 1 Removing Old Thermostat ............................ 1 Mounting and Wiring ..................................... 2 Check Thermostat Operation .
MOUNTING AND WIRING Take care when securing and routing wires so they do not short to adjacent terminals or rear of thermostat. Personal injury and/or property damage may occur. CAUTION ! ATTENTION! This product does not contain mercury. How- ever, this product may replace a unit which contains mercury.
CHECK THERMOST A T OPERA TION www.white-rodgers.com 5 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.
CHECK THERMOST A T OPERA TION CONTINUED FROM THIRD PAGE Before you begin programming your thermostat, you should be familiar with its features and with the display and the location and operation of the thermostat buttons. Your thermostat consists of two parts: the thermostat cover and the base .
www.white-rodgers.com • TEMPERATURE DISPLAY ADJUSTMENT — Your new thermostat has been accurately set in our factory. However, if you wish, you may adjust your new thermostat temperature display to match your old thermostat. This can be accom- plished (within a ± 3 ° range) as follows: 1.
Symptom P ossible Cause Corrective Action No Heat/No Cool/No Fan 1. Blown fuse or tripped circuit breaker . Replace fuse or reset break er . (common prob lems) 2. Fur nace po wer s witch to OFF . T ur n s witch to ON. 3. Fur nace b lower compartment door or Replace door panel in proper position to engage panel loose or not properly installed.
Symptom P ossible Cause Corrective Action No Heat (continued) 5. Heating system requires ser vice or Diagnostic: Set SYSTEM Switch to HEA T and raise thermostat requires replacement. the setpoint abov e room temperature . Within a f ew seconds the thermostat should make a soft click sound.
An important point after buying a device Emerson 750 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Emerson 750 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 Emerson 750 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Emerson 750 you will learn all the available features of the product, as well as information on its operation. The information that you get Emerson 750 will certainly help you make a decision on the purchase.
If you already are a holder of Emerson 750, 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 Emerson 750.
However, one of the most important roles played by the user manual is to help in solving problems with Emerson 750. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Emerson 750 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
