Instruction/ maintenance manual of the product WTL-121 Chromalox
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PK478 161-506097-001 JUNE, 1995 4 WTL Installation Instructions (Supersedes PK478) T ype WTL-121/Low V oltage Room Thermostat © 2010 Chromalox, Inc. GENERAL Note: T ype WTL thermostats are designed for temperature control service only . Because they do not fail safe, they should not be used for temperature limiting duty .
1347 HEIL QUAKER BL VD., LA VERGNE, TN 37086 Phone: (615) 793-3900 www .chromalox.com MOUNTING AND WIRING W ARNING: Hazard of Electrical Shock. Disconnect all power before wiring or servicing this control. 1. Electric wiring to heater must be installed in accordance with Local and National Electrical Codes.
An important point after buying a device Chromalox WTL-121 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Chromalox WTL-121 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 Chromalox WTL-121 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Chromalox WTL-121 you will learn all the available features of the product, as well as information on its operation. The information that you get Chromalox WTL-121 will certainly help you make a decision on the purchase.
If you already are a holder of Chromalox WTL-121, 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 Chromalox WTL-121.
However, one of the most important roles played by the user manual is to help in solving problems with Chromalox WTL-121. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Chromalox WTL-121 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