IOM 1206-1
59
Optional Low Ambient Fan VFD
Recommended Periodic Inspection
Table 43: Periodic Inspection Checklist
Optional BAS Interface
The AGZ chiller controller is configured for stand-alone
operation or integration with BAS through an optional
communication module.
The following installation manuals for optional BAS
interface modules are shipped with the chiller.
They can
also be found and downloaded from www.DaikinApplied.com.
• IM 966-1, BACnet® IP Communication Module
• IM 967-1, BACnet® Communication Module (MS/TP)
• IM 968-1, L
ON
W
ORKS
Communication Module
• IM 969-2, Modbus® Communication Module
• ED 15120, Protocol Information for MicroTech III
chiller, BACnet and L
ON
W
ORKS
• ED 15121, Protocol Information for MicroTech III
chiller, Modbus
WARNING
Electrical Shock Hazard. Before servicing or inspecting the equipment, disconnect power to the unit.The internal
capacitor remains charged after power is turned off. Wait at least the amount of time specified on the drive before
touching any components.
!
Inspection Area
Inspection Points
Corrective Action
General
Inspect equipment including wiring, terminals,
resistors, capacitors, diode and IGBT for
discoloration from overheating or deterioration.
Replace damaged components.
Inspect for dirt or foreign particles
Use dry air to clear away.
Relays and Contactors
Inspect contactors and relays for excessive
noise.
Check for over or undervoltage
Inspect for signs of overheating such as melted
or cracked insulation
Replace damaged parts.
