Aux Pump/Output - Weil-McLain EcoTec 80 Manual

G -
®
ECO Tec
AS FIRED WATER BOILER

AUX Pump/Output

result in severe personal injury, death or substantial
property damage.
AUX PUMP/OUTPUT operation
Output is always energized whenever the control is powered.
The output is energized on closure of an external switch wired to this
input and is de-energized when the external switch opens.
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.
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.
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.
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.
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.
SYSTEM/LOCAL DAMPER operation — start, run and stop, based on boiler status
Part number 550-100-260/0520
–
Failure to set correctly could
. . .
TT Pre- Pre-
Standby
Closed Pump Purge
off ON
off off off
ON
B
80/110/150/199
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.
Hot loop for seasonal boilers that are manually
shut down at end of season and started up at
start of heating season.
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.).
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.).
Energize a system pump relay if pump must
run during all heating calls.
Energize a system pump relay if pump must
run only on some heat calls (such as systems
with locally-connected DHW heating).
Use for interlocking with combustion air
damper, flow switch, etc.
Use for interlocking with combustion air
damper, flow switch, etc.
Burner Post- Post-
Standby
Running Purge Pump
off
M
OILER ANUAL
See Figure 86 for explanation of
differences between the ANY TT
off
INPUT options.
off
93