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Part number 550-100-260/0520
93
ECO
®
Tec
GAS-FIRED WATER BOILER – 80/110/150/199 BOILER MANUAL
AUX Pump/Output
AUX PUMP/OUTPUT operation
Failure to set correctly could
result in severe personal injury, death or substantial
property damage.
1. Access contractor menus by pressing and holding the WM
Logo for 7 seconds from the home screen.
2. See the following pages for explanations of control setting
options.
Standby
TT
Closed
Pre-
Pump
Pre-
Purge
Burner
Running
Post-
Purge
Post-
Pump
Standby
off
ON
off
See Figure 86 for explanation of
differences between the ANY TT
INPUT options.
off off off
ON
off off
Output is always energized whenever the control is powered.
Hot loop for seasonal boilers that are manually
shut down at end of season and started up at
start of heating season.
The output is energized on closure of an external switch wired to this
input and is de-energized when the external switch opens.
Hot loop for boilers whose CH is manually
shut down at end of season and started up at
start of heating season, but remain available for
local calls (DHW, etc.).
This output is energized only when outdoor temperature is below the
WWSD setting (see BOILER SETTINGS menu).
This setting is non-selectable if WWSD is set to OFF or Outdoor Temp
is not connected at initial boiler power. If Outdoor Below WWSD is
already chosen and WWSD is later set to OFF, Outdoor Below WWSD
will behave as Always On.
Hot loop for boilers whose CH is automati-
cally shut down based on outdoor temperature
(inferred heat loss), but remain on for local
calls (DHW, etc.).
The assigned output is energized if there is an input closure on this boiler.
The assigned output will de-energize once there are; no input on this
boiler, post-purge has finished and post-pump time has expired.
If the closed input is configured for a heat demand, its output will de-
energize after post-purge and post-pump.
Energize a system pump relay if pump must
run during all heating calls.
The assigned output is energized:
If there is an input closure on this boiler.
. . . . . .
RUN AUX PUMP/OUTPUT is set to YES for the priority as-
signed to the closed input.
The assigned output will de-energize once there are no input closures
on any of the network boilers, post-purge has finished, and post-pump
time has expired.
Energize a system pump relay if pump must
run only on some heat calls (such as systems
with locally-connected DHW heating).
The assigned output is energized when the boiler receives a call for
heat and starts to pre-purge.
The assigned output is de-energized once the burner is off and post-
purge is complete.
Activates if either this boiler or Additional Heat Demand is activated.
Use for interlocking with combustion air
damper, flow switch, etc.
The assigned output is de-energized once the burner is off and post-
purge is complete.
Only activates if this boiler is attempting to fire.
Use for interlocking with combustion air
damper, flow switch, etc.
SYSTEM/LOCAL DAMPER operation — start, run and stop, based on boiler status
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