MIL-HDBK-1003/3
APPENDIX
A
(Continued)
to allow diagnostics of HVAC system operation from a remote
location.
Use care to provide and locate accurate sensors
required by NFGS-15972.
There are many advantages of using DDC systems that
make them preferred over conventional pneumatic, electric, or
These include lower first cost, systems with
electronic
systems.
fewer components, lower failure rate, greater accuracy of
reliability, and lower maintenance cost.
DDC
control, higher
systems may also incorporate remote monitoring and self-tuning to
simplify operation and maintenance.
Figure A-l
Occupied/Unoccupied Hot Water
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