Instruction/ maintenance manual of the product Liebert OpenComms SL-19534 Emerson
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Precision Cooling For Business -Critic al C ontinuity™ Li eber t D ua l Un i t Cont r ol fo r I ntele Coo l ® and Int e l eC ool2 ® User Ma nual.
i T ABLE OF CONTENTS 1.0 I NST ALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Connecting the Dual Unit Controlle r to an Electronic Thermostat . . . . . . . . . . . . .
Installation 1 1.0 I NST ALLATION The optional Dual Unit Control is designed to con t rol two InteleCool or two InteleCool2® units in a lead/lag fash ion. The control contains a n electronic timer for switching the o perating sequence of two units at intervals of one, two, four or eight days.
Installation 2 1.1.2 Connecting the Dual Unit Controller to the Intele Cool 1. Install and le vel the Dual Unit Control.Leveli ng is not critical because the electronic thermostat does not contain mercury -filled limit switches. 2. Wire the InteleCool units to the Dual Unit Co ntrol using industry-standard thermostat cab le.
Control Startup 3 2.0 C ONTROL S TA R T U P 2.1 St art the Dual Unit Control 1. Turn the thermostat Off. 2. Turn on power to bo th InteleCool2 units. 3.
Control Startup 4 Figure 1 Dual Unit Control Board ! WARNING InteleCool and InteleCo ol2 units contain potentially lethal voltage. Shut off power before perf orming any service work. During service, the P2 jumper sh ould be placed on the pins th at identi fy the unit NOT being serviced.
Disposal of Dual Unit Control 5 3.0 D ISPOSAL OF D UAL U NIT C ONTROL Some thermostats used on this control ma y contain mercury in a sealed tube. Do not place the control in the tr ash at the end of its useful li fe. If this control is replacing a control that contains mercury in a sealed tube, d o not place the ol d con- trol in the trash.
Ensuring The Hi gh A vai labilit y 0f Mission-Critic al Data And Ap plic ations. Emerson Net work P ower , the global leader in enabling business-critical continuity , ensures net work resiliency and .
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