Instruction/ maintenance manual of the product 460 Emerson
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Infra struc ture Mana geme nt & Monit oring For Bu siness -Critic al C ontinuity™ Lieber t Liqui -tec t ® 460 Installa tion Manu al - Z one L eak Det ection Sens or.
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i T ABLE OF CONTENTS I NTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 E XTERIOR D IMENSIONS AND M OUNTING D ET AILS . . . . . . . . . . . 1 P LACEMENT ON S UBFLOOR U NDER C OOLI NG S UPPORT E QUIPMENT . . . . . .
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1 Introduction Liebert Liqui-tect ® Leak Detection Sensors install quickly an d work simply for reliable detection of condu ctive aqueous fluid leaks. The Liqui-tect 460 Sensor provides zo ne protecti on using the easy-to- install and quick-drying Liebert leak detection cable.
2 Placement on Subfloor Under Cool ing Support Equipment (Other applications such as long perimeter walls can be monitored) As shown above , the Liqui-tect 460 (LT460) may be placed on a sub- floor, w.
3 Power Wiring The LT460 is rated for 24 VAC, 50/60 Hz and 0.12 amp. Figure 1 24V from Liebert environment al units to L T460 Figure 2 24V from transformer to L T460 Power Wi ring 24V from Li ebe rt E.
4 Wiring to Auxiliary Alarm Panels The LT460 has two Form-C dry contac t alarm output contacts (TB2 & TB3). Each contact is rated for 24 VAC at 3 amp.
5 Configuration Switch Settings A four-position DIP switch is used to select two alarm (filter) delays and three mutually exclusive alarm modes. The switches are located next to the wiring termination blocks.
6 Alarm Retest Delay (SS3) SS3 selects the alarm retest delay , the setting in which an alarm is latched and reteste d every hour. OFF = Non-latching (default) ON = Latching-retest each hour The factory default is OFF = Non-latching.
7 LED Operation System Normal (Green): • ON contin uously whe n power is applied to sensor. Alarm Pending (Y ellow): • ON continuously duri ng leak detect filter delay and cable fault delay. • FLASHING (with Leak Detected LED) to indicate cable fault cond ition.
8 Inst allation of Leak De tection System Cable 1. Attach the leak detection cable to the LT460 module. 2. Activate module and test detect ion cable. (Touch detection cable with a clean moist cloth or paper towel. ) Dry detection cable to remove the alarm condition.
9 4. The installation o f th e hold-down clips should be in pairs according to Figure 5 with the follow ing considerations: Figure 5 Inst a llation of hold-down clip s in pairs a. On e pair every 6 to 8 feet in stra ight patterns (see Figure 6 ). b. On e pair every 3 to 4 feet in circular patterns (see Figure 7 ).
10 Leak Detection Kit In st allation Scenarios Scenarios Upflow Unit Detection around entire unit Up flow Unit Detection on sides and in front of unit Downflow Unit Detection around entire unit Downfl.
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Ensuring The High A vaila bility Of Mission-Critic al Dat a And App lic ations. While every precaution has been tak en to ensure the accuracy and comple teness of this lite rature, Lie bert Corporation assumes no responsibility and disclaims all liability for damages resulting from u se of this inform ation or for any e rrors or omissions .
An important point after buying a device Emerson 460 (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 460 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 460 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Emerson 460 you will learn all the available features of the product, as well as information on its operation. The information that you get Emerson 460 will certainly help you make a decision on the purchase.
If you already are a holder of Emerson 460, 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 460.
However, one of the most important roles played by the user manual is to help in solving problems with Emerson 460. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Emerson 460 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
