Installation Instructions

CAUTION: Failure to read and follow all installation and operating instructions could lead to personal injury and/

or damage to property.

CAUTION: All electrical installations must comply with local building and safety codes and must be performed by

qualied personnel only.

System Overview

• Thiscontrolsystemisintendedtobeusedwithanevaporativecoolerwitha2-speedblowerandawaterpump.Itwillalsooperatea

waterpurgepumporvalve,ifequipped.

• Thecontrolisdesignedforfanmotorsupto1HP(120V)or2HP(240V),withwaterpumpandpurgepumpupto2A(120V)or1A

• WireNutforcommonEarthconnection.

• Spare3.15Ampfuseforcontrol.

• JumperwireforLinktoN-Link(TobeusedonlywhenbothFanandPumpvoltagesarethesame).

Additional Requirements

Dependingonapplicationandinstallation,thefollowingadditionalitemsmayberequired:

• ScrewsorboltsformountingtheApplianceControlBoxandWallControl

• WiringforconnectionbetweenpowersupplyandApplianceControlBox;WallControlandApplianceControlBox;andbetween

ApplianceControlBoxandthecoolerconnectionbox.

• Conduitandwatertightconnectorstoprotectallwiring.

Installation of the Appliance Control Box

correctsizeholeforyourtting.

4) Mounttheboxusingsuitablescrews.

5) Installconduitandconnections,ensuringawatertightseal,especiallyaroundthe

locationswheretheknockoutswereremoved.

6) Runwiring,inaccordancewithlocalandnationalelectricalcodes,tosuitthe

installation.

7) Connectthewiresinaccordancewiththewiringdiagramonnextpage(wiring

diagramalsolocatedontheinsidelidofApplianceControlbox).

 WARNING: Use the jumper wire between Link and NLink only

when fan and pump voltages are the same.

fortheconnectionterminal.

3) Makeaholeinthewalljustlargeenoughtoaccommodatetheconnectionterminalandassociatedwiring.

4) Routeaninsulatedthree-conductorthermostatcable(orsimilarlowvoltagecable)fromtheApplianceControl

Boxthroughthehole,leavingaboutsixinchesprotruding.

5) Routethewiringthroughtheopeninginthewallcontrolmountingplate.Usingwallanchors,screwthe

mountingplatetothewall.

6) Connectthewirestotheterminalsasperthewiringconnectiondiagrambelow.Thesesamewirecolorsmatch

thoseindicatedonthecontrolbox.

7) Plugtheconnectionterminalintothebackofthewallcontrol.Placethetabsonthemountingplateintotheholesinthetopofthe

thermostatandrotatetheWallControluntilitsnapsontothemountingplate.Youmayusetheprovidedscrewtosecureitinplace.

Pecom

Fan/Pump 120V

Fan/Pump 240V

Fan 240V

Pump 120V

Fan 120V

Red

Black

White

MountingPlate

Installation of the Wall Control - using an existing wall-mounted outlet box

CAUTION: Only use a single outlet box and do not share wiring with any other

equipment.

1) Routeaninsulatedthree-conductorthermostatcable(orsimilarlowvoltagecable)fromthe

ApplianceControlBoxtotheoutletbox,leavingaboutsixinchesprotruding.

2) Routethewiringthroughtheopeninginthewallcontrolmountingplate.Screwthemount-

mountingplateintotheholesinthetopofthe

thermostatandrotatetheWallControluntilit

snapsontothemountingplate.Youmayuse

theprovidedscrewtosecureitinplace.

Operating Instructions

Automatic Operation

Automaticoperationisactivatedbypressingthe‘Mode’buttonuntil‘Auto’isdisplayedontheLCD.The‘Mode’buttonchangesthe

controlbetweenOff,AutoandManual.

TheSettemperature(thetargettemperatureforthecontrol)maybealteredbyrepeatedlypressingorholdingthe‘Up’and‘Down’but-

forashorttime.PresstheUporDownarrowbuttonstochangebetween8or12hours.Thisactionalsostartsamanualpurgecycle.A

purgepumporpurgevalve,whichisnotsuppliedwiththethermostatcontrolorevaporativecooler,isrequiredforthisoperation.

Manual Operation

Toactivatethemanualmodefromthe‘Off’state,pressthe‘Mode’buttonuntil‘Manualisdisplayed.Ifthecontrolisinthe‘Auto’

mode,youcanchangetomanualmodebypressingeitherthe‘Mode’,‘Fan’or‘Pump’buttons.Eachpressofthe‘Fan’buttonchanges

thefantoHigh,LoworOff.EachPressofthe‘Pump’buttonchangesthepumpstatuseitherOnorOff.

TheLCDwilldisplay‘Manual’ontheleftandthefanandpumpsettingsontheright.Thefanspeedwillbedisplayedas‘FanHi’or

‘FanLo’.Ifneitheraredisplayedthefanisoff.Withthefanandpumpbothrunning‘Cool’willbedisplayed.Ifonlythefanisrunning

‘Vent’willbedisplayed.Ifonlythepumpisrunning‘Pre-Wet’willbedisplayed.

Temperaturewillbethelastsettingwhenrunningin‘Auto’mode.

‘TimerDelay’andtheremainingtimearedisplayedontheLCDwhilethetimerfeatureisactivated.

YoucancanceltheTimerfunctionatanytimebypressingthe‘Timer’button.The‘TimerDelay’indicatorwillnolongerdisplayonthe

LCD.

In the event of a power outage

Ifpowerisinterruptedwhilethecoolerisrunningineither‘Auto’or‘Manual’modethecoolerwillremainoffwhenpowerisrestored.

Thecoolermustbestartedmanuallybypressingthe‘Mode’buttononthewallcontrol.Thethermostatwillrememberthelast‘Set’

temperatureentered.

Trouble Shooting Guide

TheguidebelowisintendedtoaidanInstallerorServiceTechnicianinresolvingsimpleproblems.