North America Help Desk

Specifications 1

• WPU Specifications

Manual 2

• WPU Installation and Operation Manual (Controller Models ASLLC.2, ASLLC.2.48)
• WPU Installation and Operation Manual (Ethernet Connected Controller Models ASLLC.2A, ASLLC.2A.48)

Schematics/Drawings 3

• WPU External Dimensions
• WPU Wiring Diagrams, 13 Wire Interconnect, Controller Models ASLLC.2, ASLLC.2.48
• WPU Wiring Diagrams, Ethernet (Cat 5) Interconnect, Controller Models ASLLC.2A, ASLLC.2A.48

Troubleshooting 2

• WPU Troubleshooting Guide
• AIRSYS WPU Emergency Wiring

Choosing your WPU 3

• Model Identification
• "Right-Sizing" your WPU
• Right Sizing HVAC Equipment for Electronic Cooling Applications

PM Service and Repair 9

• AIRSYS WPU Part Replacement Procedures
• Evaporator Fan Replacement Procedure
• Condenser Fan Replacement Procedure
• Evaporator Coil Replacement Procedure
• Condenser Coil Replacement Procedure

See all 9 articles

Supporting Documents 3

• WPU Filter Size by Cabinet Size
• AIRSYS HVAC System: Commissioning Checklist
• Running the Step Test