Start-Up and Shutdown
RTAF-SVX001K-EN
69
Immediate Shutdown to Stopped or Run Inhibit
The figure below shows the transition from Running
through an Immediate Shutdown. The dashed lines on the
top attempt to show the final mode if you enter the stop via
various inputs.
Figure 47.
Sequence of events: immediate shutdown to stopped or run inhibit
g
g
Chiller Level Diagnostic – Immediate Shutdown Latching
Front Panel Immediate Shutdown
Run Inhibit
or
Stopped
Compressor Deceleration Time
De-Energize Evaporator
Water Pump Relay
9
9
9
/
/
/
/
9
9
9
2
2
2
/
/
/
/
/
9
9
9
/
/
/
/
9
9
9
2
2
2
/
/
/
/
/
0
0
0
1
1
1
2
2
2
-
1
1
1
2
2
2
/
/
/
/
2
2
2
1
1
1
/
/
/
/
/
1
1
1
/
/
/
/
2
2
2
/
/
/
/
/
0
0
0
1
1
1
2
2
2
Stopped
6
6
6
6
/
/
/
/
6
6
6
6
1
1
1
1
/
/
/
/
/
/
2
2
2
2
/
/
/
/
2
2
2
2
2
2
2
2
/
/
/
/
/
/
/
/
0
0
0
0
1
1
1
1
2
2
2
2
-
9
9
9
9
/
/
/
/
9
9
9
9
2
2
2
2
/
/
/
/
/
/
/
/
9
9
9
9
/
/
/
/
9
9
9
9
2
2
2
2
/
/
/
/
/
/
/
/
0
0
0
0
1
1
1
1
2
2
2
2
Shutting Down
12/
2 1
// 1/2
// 012
a
a
a
s
s
s
d
d
d
f
6/
6 1
// 3/
3 2
// 012
asdf
9/
9 2
// 9/
/
9 2
// 012
as
s
df
One or More
Running
Compressors
Send Stop Command to
All Running Compressors
Energize All Heaters
Fully Close Both EXVs
Turn Off All
Running Circuits
Condenser Fans
Automatic Evaporator
Isolation Valve control
may close valve
Economizer – EEV
and port loader close