IBC DC 33-124

INSTALLATION AND OPERATION INSTRUCTIONS
2-4
DC SERIES COMBI BOILERS DC 23-84, DC 29-106, DC 33-124, DC 33-160
2.3.4 Table of Programmable Parameters
PARA-METER DESCRIPTION DEFAULT RANGE / OPTIONS
USER SET UP
Boiler Supply Temperature 180°F (82°C) 86°F (30°C) to 194°F (90°C)
Tankless Domestic Hot Water
Temperature
120°F (49°C) 104°F (40°C) to 149°F (65°C)
15 - INSTALLER SET UP MENU
1 System Type
(SEE CHART BELOW FOR
ADDITIONAL DETAILS)
DC series = 0
HC series = 3
DC - 0 – Both Space Heating and Tankless DHW
HC - 1 – Space Heating and Indirect DHW Tank
DC - 2 – Tankless DHW Only
HC - 3 – Space Heating Only
DC - 4 – Space Heating and Tankless DHW with
a Storage Tank
DC - 5 – Tankless DHW with a Storage Tank Only
DC – 6 – Space Heating, Indirect DHW Tank and
Tankless DHW
3 Maximum Power available for
Space Heating
100% Parameter “c” value to 100%
5 Min Heating Curve Supply Water
Temp
90F (32°C) 50°F (20°C) to 194°F (90°C)
Must be at least 18°F (10°C) lower than
Parameter “5.”
5. Max Heating Supply Water Temp 194°F (90°C) Range 86°F (30°C) to 194°F (90°C)
6 Min Outdoor Design Temp 14°F (-10°C) Range to -22°F (-30°C) to 55°F (13°C)
7 Summer Shut Down Temperature 64°F (18°C) Range 59°F (15°C) to 86°F(30°C)
Pump will run but the burner will not re if
Outdoor Temperature is above this setting
8 Internal Boiler Pump Post Purge 1 min Range 0 min to 15 min
9 External DHW Pump Post Purge 1 min Range 0 min to 15 min
C Burner Modulation (Ramp up)
with a Space Heating Demand
1 0 = OFF
1 = ON
2 = Open Therm control
E Minimum Space Heating
Temperature with an Open Therm
heating demand
104°F (40°C) 50°F – 140°F (10°C – 60°C)
Only for use with an Open Therm thermostat
E. Open Therm or RF Space Heating
Control
1 0 = Ignore a call for heat if the target temperature
is less than “E”
1 = Answer a call for heat with a temperature
equal to “E”
2 = Answer a call for heat with a temperature
equal to that set in the user menu “Boiler
Maximum Temperature”
F Fan RPM at Burner Start for
Space Heating
Model Dependent 50-100% of High Fire
DC 23-84 = 70
DC 29-106 = 60
DC 33-124 = 50
DC 33-160 = 40 (Range = 40-75)
NOTE: The control displays codes that include upper and lower case letter and a combination with a period after the letter.
Example: C, c., c are all valid parameter codes. When adjusting settings, double check that you are in the correct parameter.