Data Sheet for Product

Page 6 of 10 Siemens Building Technologies, Inc.
Document No. 127-0028
Table 3. Logic Controller Unit Status (Point 3).
Value Description
0 Off – load recycle. Leaving chilled water temperature
goes below setpoint, so chiller turns off. The chiller
satisfied the load.
Off – time clock. Chiller is in local and the internal time
schedule is unoccupied, so chiller turns off.
Off – remote signal. Chiller is in remote and the
remote start/stop switch is opened, so chiller turns off.
Off – manual switch. Rocker switch on the front panel
switched to stop position, so chiller turns off.
Off – network signal. Higher ranking controller such as
a lead-lag/load balance (lllb) wants chiller off, so
chiller turns off.
Off – ready to start
1 Start Requested
2 Waiting – Low Oil Sump Temperature
3 Evaporator Pump On
4 Waiting For Load
5 Oil Pump On
6 Condenser Pump On
7 Startup Unloading
8 Motor Control Relay (MCR) Started
9 Running Ok
10 Begin Routine Shutdown
11 Begin Rapid Shutdown
12 Waiting – High Current
13 Motor Control Relay (MCR) Off – Post Lubrication
14 – 16 Reserved
17 Off – Fault = No Transition
18 Off – Fault = Low Oil Sump Temperature
19 Off – Fault = High Oil Feed to Bearings Temperature
20 Off – Fault = Low Evaporator Pressure
21 Off – Fault = High Discharge Pressure
22 Off – Fault = High Discharge Temperature
23 Off – Fault = Surge
24 Off – Fault = High Suction Temperature
25 Off – Fault = High Motor Temperature
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