Index

Electric heat, 1 Face-and-bypass dampers, 1 Outdoor/return air dampers, 1 Rover service tool, 1

Tri-state modulating dampers, 1 Tri-state modulating valves, 1 Two-position valves, 1

Current-sensing switches, 4

D

Dampers Actuators, 5 Exhaust, 41

Face-and-bypass, 1, 21, 46 Modulating outdoor/return air,

43, 46

Outdoor/return air, 1, 21, 41, 43 Supported applications, 1, 21 Tri-state modulating, 1 Two-position control, 46

Data sharing, 48

Dehumidification, 47

Device addressing for BAS communication, 9

Diagnosing operational problems, 63–67

Diagnostics Automatic, 58 Clearing, 58

CO2 Sensor Failure, 60 Condensate Overflow, 59 Discharge Air Temp Failure, 60 Discharge Air Temp Limit, 60 Entering Water Temp Failure, 60 Freeze protection, 60

Generic AIP Failure, 61

Generic Temperature Failure, 61 Humidity Input Failure, 60 Informational, 59

Invalid Unit Configuration, 61 Latching, 58

Local Fan Mode Failure, 61

Local Setpoint Failure, 61 Low Coil Temp Detection, 59 Maintenance (filter change), 59 Manual, 58

Nonlatching, 58 Normal, 61

Outdoor Air Temp Failure, 60 Smart reset, 59

Table, 59

Types, 58

Zone Temp Failure, 59

Dimensional diagram, 3

Dimensions, 2

Discharge air temperature Failure diagnostic, 60 Low limit diagnostic, 60

Discharge air temperature input, 18

Discharge air temperature low limit, 50

Discharge air tempering, 39

DX cooling Operation, 46 Supported application, 21 Troubleshooting, 65

E

Economizing, 19, 45

Electric heat Operation, 47 Supported application, 21 Troubleshooting, 65

Entering water temperature Diagnostic, 60

Input, 17

Sampling function, 40

Equipment supported, 1, 13, 21

Exhaust control, 41

F

Fan

Exhaust, 41

Mode input, 17

Operation, 40

Supply, 41

Troubleshooting, 63

Fan coils, 1, 21

Fan off delay, 49

Fan status

Input, 15

Switching devices, 4

Unit protection, 49

Filter-maintenance timer, 50

Four-pipe operation, 43

Free cooling, see Economizing

Freeze avoidance, 19, 50

Freeze protection, 50

Freeze-protection switch, 4, 14

G

Generic

Binary input, 15

Binary output, 59

Temperature input, 18

Generic AIP failure diagnostic, 61

Generic binary input, 15

Generic binary output, 21

Generic temperature failure diagnostic, 61

H

Heating or cooling mode, 39

Humidity

Input failure diagnostic, 60 Measurement input, 20 Zone sensor, 20

Hydronic cooling, 21

I

Informational diagnostics, 59

Input/output functions, 13–34

Input/output terminal wiring, 7

Invalid unit configuration diagnostic, 61

Isolation valve operation, 46

L

LEDs General, 51

Interpreting green (status), 57 Interpreting red (service), 56 Interpreting yellow

(communications), 57 Location, 51

Local fan mode input failure diagnostic, 61

Local setpoint failure diagnostic, 61

Local setpoint input, 17

LonTalk communication Description, 1 Termination resistors, 9 Wiring and addressing, 9

LonTalk protocol, see LonTalk communication

40

CNT-SVX07C-EN

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Trane CNT-SVX07C-EN, Zone Controller, N512 manual Index