AERCO Esteem Boiler with EZ-Set Controller - Manual (Page 126)

GF-135 Esteem 399 Low NOx Boiler
Chapter 18
OMM-0089_0A Installation, Operation & Maintenance Manual Controller Operation
18.3.11 Warm Weather Shutdown (Default: Off)
Figure 18-15: WARM WEATHER SHUTDOWN Menu
Warm Weather Shutdown allows the installer to enter an optional out-door temperature at which
to disable the central heating function. The Esteem will continue to respond to a domestic hot
water call or a 0-10V Modulation Signal when the outdoor temperature exceeds the Warm
Weather Shutdown Temperature setting. Press the LEFT or RIGHT buttons to adjust the Warm
Weather Shutdown Temperature then press the OK button to store the setting. The Warm
Weather Shutdown icon is displayed on the home screen when the outdoor temperature
reaches the Warm Weather Shutdown Temperature.
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18.3.12 Pump Constant Circulation (Default: Disabled)
Figure 18-16: PUMP CONSTANT CIRCULATION Menu
Pump Constant Circulation allows the central heating circulators to be constantly enabled even
without a central heating call. A domestic hot water call will cause the circulators to be disabled
during the domestic callas long as DHW Priority is enabled. Press the UP or DOWN buttons to
select Enabled or Disabled then press the OK button to store the setting.
•
Enabled: The central heating circulators will be enabled for constant circulation without a
central heating call.
• Disabled: The central heating circulators will only be enabled during a central heating call.
Table 18-1: Circulator Operation with Pump Circulation = Enabled
CH2 Pump/System Pump Auxiliary Boiler Pump DHW Pump CH (1) Pump
ON ON OFF ON
Page 126 of 188 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0089_0A
MC1 06/19/14 Ph.: 800-526-0288