Retrotech DM-2A - Manual (Page 46)

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Retrotec Energy Innovations, Ltd. DM-2A Mark II 2008-02-22
To perform your CGSB 149.10 standards test procedure, follow these steps:
1. Assess and measure the Envelope Area as specified in the standard.
2. With your gauge on and running and from the main operation screen, press the
M
Ode
keypad button to set your gauge to EqLA/Area mode.
For the EqLA/Area mode to be available, it must be enabled. To enable a mode use options
in the Setup screen. A mode is enabled when it is set to a value other than off.
3. Press the e
nteR
keypad button and input the envelope area value according to
your measurements.
4. Conduct door-fan test at 50 Pa or as specified in the standard.
5. Use the @ p
ReSSuRe
keypad button to display the Flow @ 25.0 Pa and the EqLA @
10.0 Pa.
6. Results for EqLA and NLA (=EqLA/Area) may be read directly from your gauge.
7. Your CGSB 149.10 standards test procedure is complete.
For more information on standards used by the Canadian General Standards Board, visit
http://pwgsc.gc.ca/cgsb/home/index-e.html .
Canadian ecoENERGY Configuration
The Canadian ecoENERGY Program requires reading of EqLA at 10 Pa and air-changes at 50 Pa.
Most test technicians prefer using imperial units but metric units are simply to apply. Your DM-
2A gauge will provide these values automatically without doing a multipoint test or you can
use Retrotec’s Door-Fan 3.0 software to perform the test manually or even automatically with
Retrotec model Q systems such as the Q46, Q4E and Q56.
DM-2A Mark II Dual-Channel Pressure Gauge User Manual
A:
Specific Configurations