Instruction/ maintenance manual of the product 1F73 Emerson
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Installation Instructions for Heating & Air Conditioning 1F73 Non- Pr ogrammable, A uto Changeover Multi-stage/Heat Pump Thermostat CONTENTS Preparations .................................................. 1 Thermostat Details .....................
www.white-rodgers.com 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.
www.white-rodgers.com MOUNTING AND WIRING CONTINUED FROM PAGE 2 4 L R E/W1 24 VAC 120 VAC Hot SYSTEM MONITOR SWITCH Neutral THERMOSTAT SYSTEM G W2 Figure 2.
MOUNTING AND WIRING CONTINUED FROM PAGE 3 4 C* R O/B/Y2* Compressor Contactor Stage 1 Heat Relay Stage 1 Heat Relay Stage 2 24 VAC 120 VAC Hot Neutral THERMOSTAT SYSTEM Y1 E/W1 W2 Figure 5.
CAUTION ! CHECK THERMOST A T OPERA TION www.white-rodgers.com NOTE To prevent static discharge problems, touch side of ther- mostat to release static build-up before touching any keys. If at any time during testing your system does not operate properly, contact a qualified serviceperson.
CHECK THERMOST A T OPERA TION CONTINUED FROM PAGE 4 5 1 Step Press Button(s) Displayed Press (Factory Default) to select: 2 HP 4* Configuration Menu 3 Set SYSTEM switch to OFF no HP and for at least 2.
www.white-rodgers.com Symptom P ossible Cause Corrective Action No Heat/No Cool/No Fan 1. Blown fuse or tripped circuit breaker . Replace fuse or reset breaker .
Symptom Possible Cause Corrective Action Furnace/Air Conditioner Cycles T oo Fast or 1. The location of the thermostat and/or the Digital thermostats normally provide precise T oo Slo w (narrow or wide temperature s wing) size of the Heating/Cooling System may be temperature control and may cycle faster than influencing the cycle rate .
An important point after buying a device Emerson 1F73 (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 1F73 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 1F73 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Emerson 1F73 you will learn all the available features of the product, as well as information on its operation. The information that you get Emerson 1F73 will certainly help you make a decision on the purchase.
If you already are a holder of Emerson 1F73, 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 1F73.
However, one of the most important roles played by the user manual is to help in solving problems with Emerson 1F73. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Emerson 1F73 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
