Instructions / Assembly

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
(240V)
• Thefanmotormaybe120Vor240Vrated.
• Thewaterpumpandpurgepumpmotors/valvessharethesameelectricalsupply,ratedfor120Vor240V.
Included in Kit
• WallControlThermostat
• 2-SpeedEvaporativeCoolerControl
• 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
CAUTION: To prevent electrical shock and/or damage to the equipment, disconnect electrical power to the system at
the main fuse or circuit breaker before starting the installation, and leave disconnected until the installation is complete.
1) AfterdeterminingasuitableplacetoinstalltheApplianceControlBox,markthelocationofthethreemountingpoints(withthe
‘TOP’indicationuppermost)anddrillpilotholesforthemountingscrews.
2) Determinewhichknockoutlocationswillbeusedforthesystemwiring.
3) Usingasuitabletool,cutouttherequiredknockouts.Makesureyoucutoutthe
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.
Wall Control Thermostat and 2-Speed Evaporative Cooler
Control System • Model 110423-2