APPENDIX A
A-2
BOILER MENU ITEM DESCRIPTIONS - Continued
MENU LEVEL & OPTION DESCRIPTION
SETUP MENU
Password Allows password to be entered.
Once the valid password (159) is entered, options in
the Setup, Configuration and Tuning Menus can be
modified.
Language English Only
Time Displays time from 12:00am to 11:59pm.
Date Displays dates from 01/01/00 to 12/31/99
Unit of Temp Permits selection of temperature displays in
degrees Fahrenheit (°F) or degrees Celsius (°C).
Default is °F.
Comm Address For RS-485 (MODBUS) communications (0 to 255).
Default address is 0. RS-232 should have its own
(programmable) password.
Baud Rate Allows communications Baud Rate to be set (2400
to 19.2K). Default is 9600.
Software Version Identifies the current software version of the control
box.
CONFIGURATION MENU
Internal Setpoint Allows internal setpoint to be set . Default is 130°F.
Unit Type Allows selection of Boiler or Water Heater. Default
is Boiler.
Unit Size Sets unit size from 0.5 to 3.0 MBTUs. Default is 1.0
MBTU.
Boiler Mode It allows selection of: Constant Setpoint, Remote
Setpoint, Direct Drive, Combination, or Outdoor
Reset Mode. Default is Constant Setpoint Mode.
Remote Signal Used to set the type of external signal which will be
used when operating in the Remote Setpoint, Direct
Drive or Combination Mode. The factory default is
4-20 mA/1-5V.
Bldg Ref Temp
Allows the building reference temperature to be set
when operating a boiler in the Outdoor Reset Mode.
Default is 70°F.
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