Product Updates

Description: A new diagnostic code, 021 (Continuous
DHW), will display when DHW is in
continuous operation for extended periods
of time (Fig 3).
Model(s): Combi
Manual
Reference:
For more information on diagnostic code
021, refer to section “12.8 Diagnostic
Codes” in the “I-Series Combi Boiler
Installation and Operation Manual.”
Fig 3. Diagnostic Code 021 as shown
in the “I-Series Combi Boiler
Installation and Operation Manual”
❺
Diagnostic Code 021
Description: The following Ubbink Rolux® flexible venting is
approved for vertical, non-direct vent (room air)
applications: 2 in. (60 mm) Polypropylene (PP)
(Fig 4).
Model(s): Combi and Solo
Manual
Reference:
For more information on Ubbink Rolux® flexible
venting, refer to section “5.5.5 Non-Direct Vent
(Room Air)” in the “I-Series Boiler Installation and
Operation Manual” (Combi and Solo versions).
Fig 4. Ubbink Rolux® Flexible
Venting
❻
Ubbink Rolux® Flexible Venting
2 in. (60 mm) PP
Flexible Venting
Description: A new parameter setting, Parameter 18 (DHW Continuous Operation Time), has been
implemented to prevent the building/house from unnecessarily cooling due to a
potentially long uncontrolled DHW demand. Parameter 18 can be set to 60 minutes, 120
minutes, 180 minutes, or unlimited (Table 3).
Model(s): Combi
Manual
Reference:
For more information on Parameter 18, refer to section “12.4.1 Parameter Settings
Table” in the “I-Series Combi Boiler Installation and Operation Manual.”
❹
DHW Time Limit
Table 3. Parameter 18 as shown in the “I-Series Combi Boiler Installation and Operation Manual.”