Download Residential New Construction (RNC)

Appendices
4) Next push the Config button to select a flow ring (Open= no ring,A1=ring 1,
B2=ring 2,C3=ring 3)
5) Adjust duct blaster fan speed control until Channel A reads 25 PA or as close
as possible
6) Record values
7) Repeat steps 1-6 with duct blaster test pressure of 50 PA
8) Record values and check flow exponent.
9) If flow exponent is within range test is complete.
10) Note any unusual testing conditions (wind, etc.):
11) If flow exponent is within range test is complete.
12) Note any unusual testing conditions (wind, etc.):
To check each test, calculate flow exponent as for the blower door test (previous page). The
flow exponent, n, = ln(Q50/Q25)/ln(P50/P25). If flow exponent not between 0.50 and 0.75, repeat
test.
B.3
End Use Meter Data Collection
This plan entails equipment monitoring at the primary residence(s) for the following equipment
comprising the three Title 24 end-uses over the course of one year:
1) Central and wall air conditioning units
2) Domestic hot water heaters and boilers
3) Central and wall heating systems
B.3.1
Cooling Equipment End Use Metering
1) Data points to be metered
a) Time series current logging of the unit
California Public Utilities Commission
B-17
February 8, 2010