Running - Trane Agility HDWA Installation, Operation And Maintenance Manual

Running

The following figure shows a typical running sequence.
Figure 37. Sequence of events: running
AFD Status
is "Running"
Starting
Chiller is Running
Compressor
Capacity and Current
Softloading
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
HDWA-SVX001D-EN
Limit Mode
Chiller is Running - Limit
Modulate IGV/AFD
for Limit Control
MBC Cooling Control
Economizer Superheat
Control
AFD Cooling Control
Motor Cooling Control
Condenser Liquid
Level Control
S S t t a a r r t t - - u u p p a a n n d d S S h h u u t t - - d d o o w w n n
Exit Limit Mode
Chiller is Running
Modulate IGV/AFD
for LWT Control
MBC Cooling Control
Economizer Superheat
Control
AFD Cooling Control
Motor Cooling Control
Condenser Liquid
Level Control
Chiller
is
Running
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