Trane Tracer AH540 Setup And Operation page 126

Index
discharge air temperature control,
39
space temperature control, 33
communication
as peer controllers, 3
jack on zone sensor, 29
status indicators, 83
configuration
analog inputs, 76
analog outputs, 75
binary inputs, 76
binary outputs, 75
coil defrost input, 24
control mode, 73
cooling source, 74
daytime warm-up setpoint, 79
dehumidification, 77
diagnostic alarm level, 81
discharge air temperature control
setpoint, 79
duct static pressure setpoint and
limit, 79
DX cooling, 77
entering water temperature
sampling, 80
exhaust fan status input, 27
face-and-bypass heat modulation,
80
fan status input, 26
filter status input, 27
freeze avoidance setpoint, 80
freeze avoidance valve, 80
heating, 74
local zone sensor fan switch, 78
mixed-air temperature control, 79
outdoor air damper, 77
overview, 73
run/stop input, 25
sequencer, 81
space temperature setpoint and
limit configuration, 78
supply fan heating source, 74
supply fan status ignore time, 80
supported air-handling unit types,
1
table of controller function
options, 2
table of unit configuration options,
2
timer, 81
unit operation, 73
conformance, agency, 7
connecting portable operator
display, 11
connector for stand-alone operator
display, 10
constant-volume
air-handler configuration, 73
supply fan operation, 50
contrast, adjusting operator display,
13
116
control loop for space temperature
control, 32
control modes
configuration, 73
discharge air temperature, 31, 38
space temperature, 31
controller (main) board drawing, 4
controller function options, table of,
2
cool valve output, 16
cool-down, 49
cooling operation
space temperature control, 35
cooling source configuration, 74
D
DAC. See Discharge Air Controller
(DAC) profile.
damper operation
face-and-bypass, 55
outdoor air, 56
data sharing, 3
date and time, set up on operator
display, 12
daytime warm-up
operation, 48
setpoint configuration, 79
defrost operation, 65
coil defrost input, 66
evaporator refrigerant
temperature, 65
dehumidification
configuration, 77
cooling and reheat, 69
cooling only, 69
occupied and unoccupied mode,
68
reheat only, 69
diagnostics
alarm level configuration, 81
CO2 Sensor Failure, 21, 92
Dirty Filter, 92
Discharge Air Temp Failure, 19
Duct Static Press Failure, 22, 51, 92
Duct Static Press High Limit, 51
Entering Water Temp Failure, 21,
92
Evap Refrigerant Temp Failure, 22,
92
Exhaust Fan Air Flow, 60
Generic Temperature Failure, 22,
92
Humidity Input Failure, 21, 92
interpreting multiple, 90
interpretive table, 91
Local Fan Switch Failure, 92
Local Space Setpoint Failure, 92
Low Exhaust Fan Air Flow, 27
Low Supply Fan Air Flow, 26, 50
Low Temp Detect, 24, 92
Low Temperature Detect, 24
Maintenance Required, 70, 92
Mixed Air Temperature Failure, 20
Outdoor Air Temp Failure, 20
resetting, 89
Setpoint Failure, 18
Space Temperature Failure, 18, 92
types, 89
Unit Shutdown, 25
differential pressure switch
filter status, 26
supply fan status, 26
Dirty Filter diagnostic, 92
Discharge Air Controller (DAC)
profile
conformance, 1, 31
network variable inputs, 111
network variable outputs, 112
Discharge Air Temp Failure
diagnostic, 19, 91
discharge air temperature control
Auto mode, 40
based on effective heat/cool
output, 103
communicated heating/cooling
request, 39
communicated values, 39
configuration, 73
configuration parameters, 39
cool-down, 49
daytime warm-up, 48
Discharge Air Controller (DAC)
profile, 31
Discharge Air Controller (DAC)
profile network variable
inputs, 111
Discharge Air Controller (DAC)
profile network variable
outputs, 112
flow diagram, 38
heating/cooling mode control, 39
limits, 38
morning warm-up, 48
occupied mode, 41
operation based on effective
heat/cool output, 103
sequence of operations, 38
setpoint configuration, 79
unoccupied mode, 42
variable-air-volume supply fan, 51
discharge air temperature input, 19
Duct Static Press Failure diagnostic,
22, 51, 91, 92
Duct Static Press High Limit
diagnostic, 51, 91
duct static pressure
control sequence, 51
high limit, 70
input, 22
CNT-SVX05B-EN