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Part number 550-100-400/0119
106
U-Control operation and setup — advanced (continued)
Figure 117 U-Control diagnostic inform ation see iure pae for location in menu seuence
Status
Text data Current operating status of the boiler. Prepurge, Ignition, Name of the system Type being
satisfi ed, post purge, Warm Weather Shutdown, Trouble
System Supply
°F data Temperature of the remote system supply sensor
System Return
°F data Temperature of the remote system return sensor
Boiler Out1
°F data Temperature of the fi rst sensing element of the boiler’s heat exchanger outlet sensor
Boiler Out2
°F data Temperature of the second sensing element of the boiler’s heat exchanger outlet sensor
Boiler In1
°F data Temperature of the boiler’s heat exchanger inlet sensor
Flue1
°F data Temperature of the fi rst sensing element of the boiler’s fl ue gas sensor
Flue2
°F data Temperature of the second sensing element of the boiler’s fl ue gas sensor
Outdoor
°F data Temperature of the remote outdoor air temperature sensor
Status
Text data Current operating status of the boiler. Prepurge, Ignition, Name of the system Type being
satisfi ed, post purge, Warm Weather Shutdown, Trouble
Priority 1
on-off data Call for heat status on Priority 1 Input
Priority 2
on-off data Call for heat status on Priority 2 Input
Priority 3
on-off data Call for heat status on Priority 3 Input
Analog Input
vdc data Value of 0–10 VDC input signal on P15 #5 and #6
Manual Limit
open-closed data External manual limit P13-1 & P13-2
Auto Limit
open-closed data External auto limit P13-3 & P13-4
Low Wtr Cutoff
open-closed data Low water cutoff device on P12-3 & P12-4
Blower Tach
rpm data Feedback from blower sensor
Flame Signal
no units data Number indicating the presence and quality of the fl ame used to shutdown boiler
Gas Valve
on-off data Control’s gas valve circuit status
Circulator 1
on-off data Control’s circulator 1 relay status
Circulator 2
on-off data Control’s circulator 2 relay status
Circulator 3
on-off data Control’s circulator 3 relay status
Blower Signal
% of rate data Control’s signal controlling the blower speed
Add’l Heat Demand
on-off data Control’s signal controlling the additional heat demand
Alarm
on-off data Control’s alarm contact status
Analog Output
vdc data Value of 0–10 VDC output signal on P16 #1 and #2
Control Fault
# 0 Displays number of control faults
Ignition Retries
# 0 Displays number of ignition attempts boiler is currently on
Manual Reset Cnt
# 0 Displays number of manual reset lockouts since last cleared
Auto Reset Cnt
# 0 Displays number of auto reset lockouts since last cleared
Lockout History 1
Choose this to view the most recent error recorded
Time & Date
text data Displays time and date that lockout occurred
Status
text data Displays what the status of the boiler at the time of the error
Manual Reset
yes or none data Choose this to view the details of manual reset lockouts
Auto Reset
yes or none data Choose this to view the details of auto reset lockouts
Inputs
menu menu Choose this to view the status of the Boiler Inputs at the time of the error
Outputs
menu menu Choose this to view the status of the Boiler Outputs at the time of the error
Temperatures
menu menu Choose this to view the Boiler Temperatures at the time of the error
Lockout History 2
Choose this to view the second most recent error recorded
Time & Date
text data Displays time and date that lockout occurred
Status
text data Displays what the status of the boiler at the time of the error
®
Series 4
gas-fired water boiler — Boiler Manual
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