Trane Technologies Agility HDWA PC 747 - Running

56
HDWA-SVX002C-EN
Running
The following figure shows a typical running sequence.
Figure 39. 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
Start-up and Shutdown