Instruction/ maintenance manual of the product 1F78H Emerson
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Installation Instructions for Heating & Air Conditioning 1F78H Non-Pr ogrammable Thermostat CONTENTS Preparations .................................................. 1 Thermostat Details ........................................ 1 Removing Old Thermostat .
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, 4-wire, single transformer systems TRANSFORMER.
CHECK THERMOST A T OPERA TION CONTINUED FROM THIRD PAGE www.white-rodgers.com Before you begin using 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 have a time delay built in and do not require this feature. Your compressor manufacturer can tell you if the feature is already present in their system. When the compressor time delay occurs it will flash the for about five minutes then turn on the compressor.
Symptom Possible Cause Corrective Action No Cool 1. System Switch not set to Cool. Set System Switch to Cool and lower temp below room temp. 2. Loose connection to thermostat or system.
An important point after buying a device Emerson 1F78H (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 1F78H 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 1F78H - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Emerson 1F78H you will learn all the available features of the product, as well as information on its operation. The information that you get Emerson 1F78H will certainly help you make a decision on the purchase.
If you already are a holder of Emerson 1F78H, 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 1F78H.
However, one of the most important roles played by the user manual is to help in solving problems with Emerson 1F78H. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Emerson 1F78H 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
