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GF-135
Esteem 399 Low NOx Boiler
OMM-0089_0A
Installation, Operation & Maintenance Manual
18.3.3 Absolute Max CH Setpoint (Default: 188°F [87°C]) ................................................................................. 123
18.3.4 CH1 Maximum Setpoint (Default: 180°F [82°C])..................................................................................... 123
18.3.5 CH1 Minimum Setpoint (Default: 120°F [49°C]) ..................................................................................... 124
18.3.6 Reset Curve Coldest Day (Default: 0°F [-18°C])....................................................................................... 124
18.3.7 Reset Curve Warmest Day (Default: 64°F [18°C]) ................................................................................... 124
18.3.8 CH2 Circuit (Default: Enabled) ................................................................................................................ 125
18.3.9 CH2 Maximum Setpoint (Default: 140°F [60°C])..................................................................................... 125
18.3.10 CH2 Minimum Setpoint (Default: 80°F [27°C]) ..................................................................................... 125
18.3.11 Warm Weather Shutdown (Default: Off).............................................................................................. 126
18.3.12 Pump Constant Circulation (Default: Disabled) .................................................................................... 126
18.3.13 CH Post Pump Time (Default: 1 Minute)............................................................................................... 127
18.3.14 Freeze Protection (Default: Enabled) ................................................................................................... 128
18.3.15 Frost Protection Setpoint (Default: -22°F [-30°C]) ................................................................................ 129
18.3.16 Parallel Shift Value (Default: 0°F [0°C]) ................................................................................................. 129
18.3.17 CH Call Blocking (Default: 1 Minute)..................................................................................................... 130
18.3.18 System Pump (Default: CH1/CH2) ........................................................................................................ 130
18.4 DHW SETTINGS MENU
....................................................................................................................... 135
18.4.1 DHW Operation (Default: Enabled) ........................................................................................................ 136
18.4.2 Demand Type (Default: Switch) .............................................................................................................. 137
18.4.3 Boiler DHW Setpoint (Default: 186°F [86°C]).......................................................................................... 137
18.4.4 DHW Storage Setpoint (Default: 140°F [60°C]) ....................................................................................... 137
18.4.5 DHW on Differential (Default: 6°F [3°C])............................................................................................... 138
18.4.6 DHW Storage Adder (Default: 46°F [25°C])............................................................................................ 139
18.4.7 DHW Post Pump Time (Default: 1 Minute) ............................................................................................ 139
18.4.8 DHW Priority Timeout (Default: OFF) .................................................................................................... 140
18.4.9 DHW Priority (Default: ENABLED) ......................................................................................................... 140
18.4.10 DHW Call Blocking (Default: 0 Minutes) ............................................................................................. 141
18.4.11 DHW to CH Call Blocking (Default: 1 Minute) ..................................................................................... 141
18.4.12 Antilegionella Function (Default: DISABLED) ...................................................................................... 142
18.5 BOILER SETTINGS MENU
...................................................................................................................... 143
18.5.1 Lockout Temp (Default: 210°F [99°C]) .................................................................................................... 143
18.5.2 Modbus Address (Default: 0=BCST) ........................................................................................................ 144
18.6 RESET ALL SETTINGS MENU
............................................................................................................... 144
18.7 CASCADE MENU AND OPERATING INFORMATION ........................................................................................ 146
18.7.1 Cascade Installation – System Piping ...................................................................................................... 148
18.7.2 Cascade Installation – System Sensor Installation .................................................................................. 148
18.7.3 Cascade Installation – Cascade Communication Cable........................................................................... 149
18.7.4 Cascade Installation – Low Voltage Wiring Connections ........................................................................ 149
18.7.5 Cascade Installation – Line Voltage Wiring Connections ........................................................................ 150
18.8 CASCADE AUTODETECTION
MENU ...................................................................................................... 151
18.8.1 Cascade Operation – Lockouts ............................................................................................................... 151
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AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
MC1 06/19/14
Ph.: 800-526-0288
