Cypress WPT - Page 113

113
Cypress Confidential
Using Trends – Proper Response (example)
SETPOINT TEMPERATURE
•1
st
DR Event bumped up setpoint 2 deg
•2
nd
DR Event bumped up additional 2 deg
•Completion of Event – back to normal
ZONE TEMPERATURE
•Morning A/C comes on
•Temp climbs after initial DR event
•Continues climbing after 2
nd
DR event
DELTA SETPOINT MINUS ZONE TEMP
• Should maintain to within 2 degrees of
setpoint throughout
BRANCH PRESSURE
• Drops after first event called
• Drops after second event called
• Stays about neutral 8psi during entire DR
period.