46
Alt-169 ALT-169 Process Alert - High
Evaporator Pressure
Automatic As above Check evaporator pressure sensor input
And check evaporator pressure override congurations
Alt- 191 ALT- 191 Process Alert - High
Ref Filter Pressure Dierence
Automatic As above Replace refrigerant lter
Alt-170 ALT-170 Master Slave Alert
- Master Slave Same Address
Manual Master slave work
independent
Check master slave address congurations
Alt-171 ALT-171 Master Slave Alert -
Conict SW Version
Manual As above Check master slave SW version number
Alt-172 ALT-172 Master Slave Alert -
Conict Cooling Heating Mode
Manual As above Check master slave cooling heating selection
Alt-173 ALT-173 Master Slave Alert -
Incorrect Slave Control Type
Manual As above Check slave control type
Alt-174 ALT-174 Master Slave Alert -
Slave Tripout
Manual automatic in Master
side
As above Check slave chiller alarms
Alt-175 ALT-175 Master Slave Alert -
incorrect Master Control Type
Manual As above Check master control type
Alt-176 ALT-176 Master Slave Alert - No
Communication Master / Slave
Automatic As above Check communication between master and slave, wiring, etc.
Alt-179 ALT-179 Master Slave Alert -
aster CCN Write Rejection
Manual As above Check CCN communication, hardware and software
Alt-180 ALT-180 Master Slave Alert -
Slave address not slave
Manual As above Check master slave congurations
A event state is a specic set of conditions which the controller may encounter when controlling the chiller. Event states are
predictable and repeatable and represent known states of the control. If the control is in a particular state, there is a unique
message associated with that state. The event states message are displayed on default screen of control panel.
1 Chiller O
2 Chiller Tripout
3 Pumpdown/Lockout
4 Terminate Pumpdown/Lockout
5 Guide Vane 1 Calibration
6 Quick Test in Progress
7 Ice Build Done
8 Ice Build in Progress
9 Free Cooling in Progress
10 Auto Restart Pending
11 Condenser Flush in Progress
12 Guide Vane 2 Calibration
13 Envelope Control Valve Calibration
20 Startup Inhibited - Loadshed in Eect
21 Prestart Check in Progress
22 Timeout - Delay to Start In XX Min
23 Recycle in Progress
24 Startup in Progress
25 Swift Restart in Progress
30 Ramp Loading - Temperature
31 Ramp Loading - Motor Load
32 Ramp Loading - Capacity Inhibit
39 Demand Limit - Capacity Inhibit
40 Demand Limit - Capacity Decrease
41 Demand Limit - Inhibit Clamp
45 Override - High Condenser Pressure
47 Override - High Motor Temperature
48 Override - Low Evap Refrig Temp
50 Override - High Bearing Temp
51 Override - Low Discharge Superheat
52 Override - Manual VFD Speed Target
53 Override - High Motor Current
54 Override - High Discharge Temp
55 Override – Low Source Temp
60 Running - Temp Reset by 4-20 Ma Signal
61 Running - Temp Reset by Remote Temp Sensor
62 Running - Temp Reset by Water Dt
63 Running - Cooling Leaving Chilled Water
64 Running - Cooling Entering Chilled Water
65 Running - Heating Leaving Cond Water
66 Running - Heating Entering Cond Water
67 Envelope Control - Surge Correction
68 Envelope Control - Acts Before Recycle Shutdown
69 Envelope Control - Low Load Application
70 Envelope Control - Forced
71 Running - VFD Rampdown
72 Running - Guide Vane 1 Position Forced
73 Running - VFD Speed Forced
74 Surge Prevention - Low
75 Surge Prevention - High
76 Surge Protection
77 Running - VFD Overcurrent
79 Running - Damper Valve Forced
80 Operation - Oil EXV Forced
81 Running - Head Pressure Valve Forced
82 Purge - Forced
83 Running - Guide Vane 2 Position Forced
84 Operation - Refrigerant Lub Forced
85 Running - Vapor Source Valve Forced
87 Purge - Regeneration Forced
90 Shutdown - Normal
91 Shutdown - Alarm
93 Shutdown - Recycle
94 Shutdown - Recycle Ice Build
95 Shutdown - Compressor Deenergized
96 Shutdown - Emergency Stop
97 Transducer Calibration In Eect
98 ISM Calibration in Eect
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