Report No.: 300-ELAB-2526-EPA Rev4 110821
Date:
11.08.2021
Initials:
JSA/
Page
4 of 49
300-ELAB-2526-EPA Rev4 110821
General
This report concerns testing of a free-standing cast iron wood heater, type Morsø 2B Classic 2020
The certification test report holds 35 annexes. From this 2. revision of the report, do not any longer
distinguish between CBI and non-CBI reports. The same unitary report applies for all purposes, meaning
only one version of the report is issued.
Please find the full list of annexes in chapter 14.
Figures are stated in European notation, with a comma as the decimal separator and period as the
thous
and’s
separator.
Report revision history overview
Release
Report number
Number of pages
(report only)
Issued date
initial
300-ELAB-2526-EPA (CBI and non-CBI)
45 (non-CBI)
18. Nov. 2020
Rev 1
300-ELAB-2526-EPA Rev 1 211221 (CBI
and non-CBI)
45 (non-CBI)
21. Jan. 2021
Rev 2
300-ELAB-2526-EPA Rev 2 220621
48
22. June 2021
Rev 3
300-ELAB-2526-EPA Rev 3 250621
49
25. June 2021
Rev 4
300-ELAB-2526-EPA Rev 4 110821
49
11. August 2021
Revision 1 changes
•
New issue date 21. January 2021 and revision # raised to Rev 1
•
Clause 3.5 amended with the laboratory’s declaration of test appropriateness, starting with “Based on the
evidence above”
•
Clause 3.6 amended with the laboratory’s declaration of test appropriateness, starting with “Based on t
he
evidence above”
•
Clause 3.8 amended with the laboratory’s declaration of test appropriateness, starting with “Based on the
evidence above”
•
Annex 35; new annex holding the laboratory hand notes
Revision 2 changes
•
New issue date 22. June 2021 and revision # raised to Rev 2
•
Clause 1.1 General amended with notice of abandoning of distinguishing between a CBI and a non-CBI report.
Now one unitary report applies for all purposes.
•
New clause 1.3 added, holding the EPA list of findings
•
Clause 3.2, further elaboration of the reason for discarding of the HF1 test due to a clogged filter
•
Clause 4.2, Note added on discarding of the HF1 results
•
Report page count raised from 45 to 48
Revision 3 changes
•
New issue date 25. June 2021 and revision # raised to Rev 3
•
Clause 7.3, the test string “and the action of the air controls” was added
•
Revised Annex 26, Assembly drawings showing in detail how the lower restriction of the air controls is
accomplished, notably drawing 2B-148 (Primary Air Controls) showing the bushing which stops the spinner
from being closed below three quarters of a turn. Further drawing 2B-511 (Main assy drawing) displaying an
explanatory note on the air controls extreme settings, the minimum being 0,75 turn which resembles an
effective open valve area of 212 sq mm.
•
R
evised annex 31a, US Users’ manual, on page 9 (printed manual pages 14
-15) providing information in a
highlighted frame on the nature of the lower air controls restriction and a warning of NOT to tamper with the
physical stop.
•
R
evised annex 31b, CAN(Fr) Users’ manual, the same warning
Summary of Contents for 2B Classic 2020
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