Trane Agility HDWA - Chiller Running Sequence and Modes

HDWA-SVX001D-EN
53
Running
The following figure shows a typical running sequence.
Figure 37. Sequence of events: running
AFD Status
is “Running”
Limit Mode
Exit Limit Mode
Chiller is Running Chiller is Running - Limit Chiller is Running
Modulate IGV/AFD
for LWT Control
MBC Cooling Control
Economizer Superheat
Control
AFD Cooling Control
Motor Cooling Control
(200 Ton Only)
Condenser Liquid
Level Control
Modulate IGV/AFD
for Limit Control
MBC Cooling Control
Economizer Superheat
Control
AFD Cooling Control
Motor Cooling Control
Condenser Liquid
Level Control
Modulate IGV/AFD
for LWT Control
MBC Cooling Control
Economizer Superheat
Control
AFD Cooling Control
Motor Cooling Control
Condenser Liquid
Level Control
Starting
Compressor
Chiller
is
Running
Capacity and Current
Softloading
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