Status And Sub-Status - UTICA BOILERS UCS-380 Installation, Operation & Maintenance Manual

9.17 Status And Sub-Status

The information menu
State (St)
0 Rest
Boiler starts (Demand for
1
heat)
2 Burner start
3 Burner on (heating mode)
4 Burner on (DHW mode)
5 Burner stop
6 Boiler stops (End of heat call)
8 Stop
9 Lock-out
17 Deaeration/ air purge
9 - START UP PROCEDURE
gives the following status and sub-status information:
0 Rest
1 Short pre-purge of the fan
2 Control three-way valve
3 Start pump
4 sw checks sensor temperatures before the burner starts
10 Open flue gas damper/external gas valve
11 Increase fan speed
13 Pre-purge
14 Wait for release signal from RL connection
15 Burner on
17 Pre-ignition
18 Ignition
19 Flame detection
20 Intermediate ventilation
30 Temperature control
31 Limited temperature control (ΔT safety)
32 Output controlled by 0-10 v signal
33 Temperature protection gradient level 1 (Modulate down)
34 Temperature protection gradient level 2 (low-fire)
35 Temperature protection gradient level 3 (Blockage)
36 Modulate up for flame control
37 Temperature stabilization time
38 Cold start
30 Temperature control
31 Limited temperature control (ΔT safety)
32 Output controlled
33 Temperature protection gradient level 1 (Modulate down)
34 Temperature protection gradient level 2 (low-fire)
35 Temperature protection gradient level 3 (Blockage)
36 Modulate up for flame control
37 Temperature stabilization time
38 Cold start
40 Burner off
41 Post-purge
42 Close flue gas damper/external gas valve
43 Recirculation protection (checks to see if gas valve has closed)
44 Fan Stops
60 Pump post circulation
61 Pump off
62 Control three-way valve
63 Short-cycling counter activates
0 Wait for burner start
1 Short cycling protection function
xx Shutdown codexx
0 Rest
2 Control three-way valve
3 Start pump
61 Pump off
61 Control three-way valve
Sub-status (Su)
62
P/N 240011662, Rev. D [06/30/2017]