Diagnostic Menu - Weil-McLain Eco Tec 2 Series Manual

ECO ® Tec series 2 gas-fired water boiler – boiler manual

DIAGNOSTIC menu

Figure 108 DIAGNOSTICS menu
Menu/Item
Temperatures
Current operating status of the boiler. Prepurge, Ignition, Name of the system Type being satisfied, post purge,
Status
Warm Weather Shut down, Trouble
Temperature of the first sensing element of the boiler's heat exchanger outlet sensor
Boiler Out1
Temperature of the second sensing element of the boiler's heat exchanger outlet sensor
Boiler Out2
Temperature of the first sensing element of the boiler's Combi DHW outlet sensor
DHW Out1
Temperature of the second sensing element of the boiler's Combi DHW outlet sensor
DHW Out2
Temperature of the boiler's heat exchanger inlet sensor
Boiler In
System Supply
Temperature of the system water after the boiler loop
System Return Temperature of the system water returning to the boiler loop
Temperature of the first sensing element of the boiler's flue gas sensor
Flue1
Temperature of the second sensing element of the boiler's flue gas sensor
Flue2
Temperature of the remote outdoor air temperature sensor
Outdoor
Current target temperature of the active priority.
Target Temperature
Inputs
Current operating status of the boiler. Prepurge, Ignition, Name of the system Type being satisfied, post purge,
Status
Warm Weather Shut down, Trouble
Call for heat status on Input 1
Input 1
Call for heat status on Input 2 (Input 2 can be TT1 or 0-10VDC input)
Input 2
Call for heat status on Input 3
Input 3
Call for heat status on Input 4
Input 4
Voltage input for target adjust or modulation
0–10V
External manual limit on low voltage terminal strip
Manual Limit
External auto limit on low voltage terminal strip
Auto Limit
Low Wtr Cutoff
Low water cutoff device (inside boiler jacket)
Limit device (inside boiler jacket) that will shut off the boiler if flue pressure becomes too high
Air P-Switch
J18 jumper circuit closed or open (flow switch, CAD, etc.)
Closure Switch
Feedback from blower
Blower Speed
Number indicating the presence and quality of the flame used to shut down or boost the boiler
Flame Signal
Approximate gallons per minute water flow passing through the Combi brazed plate.
DHW Flow
Outputs
Current operating status of the boiler. Prepurge, Ignition, Name of the system Type being satisfied, post purge,
Status
Warm Weather Shut down, Trouble
Control's gas valve circuit status
Gas Valve
Control's circulator 1 relay status
Circulator 1
Control's circulator 2 relay status
Circulator 2
Control's circulator 3 relay status
Circulator 3
Control's circulator 4 relay status
Circulator 4
Boiler's circulator
Boiler Circ
Control's signal controlling the blower speed
Blower Signal
Additional Heat Demand
Additional heat demand contact status
Alarm contact status
Alarm
116
Comment
Part number 550-100-270/0122