Trane Tracer ZN517 Installation And Operation Manual page 108

Index
O
Occupancy modes, 2-heat/2-cool
General, 20
Occupied, 21
Occupied bypass, 22
Occupied standby, 21
Unoccupied, 21
Occupancy modes, 4-cool
General, 38
Occupied, 39
Occupied bypass, 40
Occupied standby, 39
Unoccupied, 39
Occupancy modes, heat pump
General, 56
Occupied, 57
Occupied bypass, 58
Occupied standby, 57
Unoccupied mode, 57
Occupancy or generic input
2-heat/2-cool configuration, 14
4-cool configuration, 32
Heat pump configuration, 50
Operating environment, 2
Outdoor air damper
Operation, 22, 40, 58
Outdoor air damper remains closed
Troubleshooting, 90
Outdoor air damper remains open
Troubleshooting, 91
Outdoor air or generic temperature
Input, 17, 35, 53
Outdoor air temperature input, 17,
35, 53
Overriding binary outputs
2-heat/2-cool, 14
4-cool, 31
General, 74
Heat pump, 49
Overshooting the setpoint, 63
P
Peer-to-peer data sharing, 23, 41, 61
PID loops, 63–72
Action, 68
Calculations, 64–65
Definition, 63
Derivative calculation, 65
Direct action, 68
Effects of aggressiveness, 63
96
Error deadband, 69–70
Integral calculation, 64
Managing with additional
settings, 71
Overview, 63
Proportional calculation, 64
Reverse action, 68
Sampling frequency for
calculations, 65–67
Tips for specific problems, 72
Troubleshooting, 71–72
Power requirements, 2, 4
Power transformers, 6
Power wiring, 85
Power-up sequence, 19, 37, 55
Product description, 1
Proportional calculation, PID loops,
64
Proportional, integral, derivative
see
(PID) loops, PID loops
Protection strategies
2-heat/2-cool, 24
4-cool, 42
Heat pump, 61
R
Rc, Rh terminal wiring, 82–84
Coupling and uncoupling with
jumper, 83
Reverse action of PID loops, 68
Reversing valve operation, 59
Rooftop units, 9, 13, 27, 31
Rover, 1
Rover service tool, 1, 4, 13, 18, 20,
21, 22, 23, 24, 25, 31, 36, 38, 39,
40, 41, 42, 43, 49, 54, 56, 57, 58, 60,
61, 62, 63, 74, 76, 77, 78, 88
S
Sampling frequency, 65–67
Changing, to troubleshoot
specific problems, 72
see
LonTalk communication, 86
Sensors
Application-specific, 15, 33, 51
CO2, 16, 34, 52
Discharge air temperature, 6, 20,
38, 56
Occupancy, 14, 32, 50
Table of options, 6
Zone humidity, 16, 34, 52
Zone temperature, 6
Sequence of operations, 2-heat/2-
cool
Demand control ventilation, 24
Discharge air tempering, 24
Economizing, 23
Fan off delay, 25
Fan operation, 23
Fan status, 25
Filter-maintenance timer, 25
Occupancy modes, 20
Outdoor air damper operation,
22
Peer-to-peer data sharing, 23
Power-up sequence, 19
Timed override control, 22
Unit protection strategies, 24
Sequence of operations, 4-cool
Demand control ventilation, 42
Discharge air tempering, 42
Economizing, 41
Fan off delay, 43
Fan operation, 41
Fan status, 43
Filter-maintenance timer, 43
Occupancy modes, 38
Outdoor air damper operation,
40
Peer-to-peer data sharing, 41
Power-up sequence, 37
Timed override control, 40
Unit protection strategies, 42
Sequence of operations, heat pump
Compressor operation, 59
Demand control ventilation, 60
Discharge air tempering, 60
Economizing, 60
Fan off delay, 62
Fan operation, 59
Fan status, 62
Filter-maintenance timer, 61
Heating or cooling mode, 59
Occupancy modes, 56
Outdoor air damper operation,
58
Peer-to-peer data sharing, 61
Power-up sequence, 55
Reversing valve operation, 59
Timed override control, 58
Unit protection strategies, 61
CNT-SVX12C-EN