Commissioning Instructions

3
Unrestricted
A6V12035398
Table of Contents
Before You Begin ............................................................................................................. 5
Fault Detection and Diagnostics Configuration for DXR .............................................. 6
Scope and Purpose............................................................................................................ 6
DXR Template Feature Selections ..................................................................................... 7
Step 1 – On-board outputs .................................................................................. 7
Step 2 – On-board inputs .................................................................................... 7
Step 3 – Room Temperature .............................................................................. 7
Step 4 – HVAC Configuration ............................................................................. 8
Step 5 – Room Segment (Auxiliary functions) .................................................... 8
Step 6 – Room (HVAC coordination) ................................................................ 10
Step 7 – Default values .................................................................................................... 11
Heating coil ....................................................................................................... 11
Ventilation control ............................................................................................. 11
Supply air VAV .................................................................................................. 13
Extract air VAV ................................................................................................. 13
Step 8 – Fault detection and diagnostics parameters ...................................................... 14
Supply VAV air flow fault diagnostics ................................................................ 15
Supply VAV air flow fault determination ............................................................ 17
Supply heat temp fault and diagnostics ............................................................ 18
Supply heat temp fault determination................................................................ 21
Extract flow fault and diagnostics ...................................................................... 22
Extract VAV fault determination ........................................................................ 24
Dual Duct flow fault and diagnostics ................................................................. 25
Dual Duct VAV fault determination ................................................................... 27
Step 9 – Fault suppression .............................................................................................. 29
Condition of AHU Mode .................................................................................... 29
Primary air temperature .................................................................................... 30
For the Tester .................................................................................................................. 31
Test 1: Sensor Drift/Failure – Supply air differential pressure ........................... 31
Test 2: Supply air damper fault – damper stuck open ....................................... 31
Test 3: Supply air damper fault – damper stuck closed .................................... 31
Test 4: Heating valve actuator .......................................................................... 32
Test 5: Feedback loop tuning fault – unstable airflow ....................................... 32
Test 6: Disconnect inlet duct ............................................................................. 32
Test 7: Discharge air temperature sensor ......................................................... 32
Appendix......................................................................................................................... 33
Fault detection & diagnostic (FDD) alarms ....................................................................... 33
California Title 24 zone level requirements ...................................................................... 34
Dual Maximum VAV Control ............................................................................................ 36
Automatic Demand Shed ................................................................................................. 37
Demand Control Ventilation ............................................................................................. 38