Install Instructions

Part number 550-100-260/0520
94
ECO
®
Tec GAS-FIRED WATER BOILER – 80/110/150/199 BOILER MANUAL
DIAGNOSTIC menu
&IGURE DIAGNOSTICS menu
-ENU)TEM #OMMENT
4EMPERATURES
3TATUS
Current operating status of the boiler. Prepurge, Ignition, Name of the system Type being satisfied, post purge, Warm Weather
Shut down, Trouble
"OILER Out1
Temperature of the first sensing element of the boiler’s heat exchanger outlet sensor
"OILER/UT
Temperature of the second sensing element of the boiler’s heat exchanger outlet sensor
$(7/UT
Temperature of the first sensing element of the boiler’s Combi DHW outlet sensor
$(7/UT
Temperature of the second sensing element of the boiler’s Combi DHW outlet sensor
Boiler In
Temperature of the boiler’s heat exchanger inlet sensor
3YSTEM3UPPLY
Temperature of the system water after the boiler loop
3YSTEM2ETURN
Temperature of the system water returning to the boiler loop
&LUE
Temperature of the first sensing element of the boiler’s flue gas sensor
&LUE
Temperature of the second sensing element of the boiler’s flue gas sensor
/UTDOOR
Temperature of the remote outdoor air temperature sensor
4ARGET4EMPERATURE
Current target temperature of the active priority.
)NPUTS
3TATUS
Current operating status of the boiler. Prepurge, Ignition, Name of the system Type being satisfied, post purge, Warm Weather
Shut down, Trouble
)NPUT
Call for heat status on Input 1
)NPUT
Call for heat status on Input 2 (Input 2 can be TT1 or 0-10VDC input)
)NPUT
Call for heat status on Input 3
)NPUT
Call for heat status on Input 4
n6
Voltage input for target adjust or modulation
-ANUAL,IMIT
External manual limit on low voltage terminal strip
!UTO,IMIT
External auto limit on low voltage terminal strip
,OW7TR#UTOFF
Low water cutoff device (inside boiler jacket)
!IR03WITCH
Limit device (inside boiler jacket) that will shut off the boiler if flue pressure becomes too high
#LOSURE3WITCH
J18 jumper circuit closed or open (flow switch, CAD, etc.)
"LOWER3PEED
Feedback from blower
&LAME3IGNAL
Number indicating the presence and quality of the flame used to shut down or boost the boiler
$(7&LOW
Approximate gallons per minute water flow passing through the Combi brazed plate.
/UTPUTS
3TATUS
Current operating status of the boiler. Prepurge, Ignition, Name of the system Type being satisfied, post purge, Warm Weather
Shut down, Trouble
'AS6ALVE
Control’s gas valve circuit status
#IRCULATOR
Control’s circulator 1 relay status
#IRCULATOR
Control’s circulator 2 relay status
#IRCULATOR
Control’s circulator 3 relay status
#IRCULATOR
Control’s circulator 4 relay status
"OILER#IRC
Boiler’s circulator
"LOWER3IGNAL
Control’s signal controlling the blower speed
!DDITIONAL(EAT$EMAND
Additional heat demand contact status
!LARM
Alarm contact status