Trane CNT-SVX07C-EN Manual de usuario descargar pdf (Pagina 15)

Additional components

CNT-SVX07C-EN 5

returns the valve to normally open or closed (dependent on the desired

default position). For modulating valve control, use tri-state modulating

actuators with or without a spring return, as required by the application.

Damper actuators

Damper actuators cannot exceed 12 VA draw at 24 Vac. For control of out-

door/return air dampers, use tri-state modulating actuators that incorpo-

rate a spring return.

Zone humidity sensor

For measurement of relative humidity (RH), the Tracer ZN521 requires a

zone humidity sensor with a 4–20 mA output, where 4 mA is 0% RH and

20 mA is 100% RH. The controller provides 20 Vdc to power the zone

humidity sensor.

sensor

For CO

measurement, the Tracer ZN521 requires a CO

sensor with a 4–

20 mA output, where 4 mA = 0 ppm and 20 mA = 2000 ppm.

Table 1. Tracer zone temperature sensor options

BAS

order

number

Use

Fan Zone

Timed

override

buttons

Comm

jack

High Med Low Auto Off

Setpoint

thumb-

wheel

Temperature

sensor

On Cancel

4190 1087 Any x

4190 1088 Any x x x x

4190 1090 Any x x x x x

4190 1094 Any x x x

4190 1095 Unit

ventilator

xxxxxxxx

4190 1115 Fan coil x x x x x x x x x x

4190 1116 Unit

ventilator

xxxxxxxxx

4190 1117 Any x x x x x x x

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 83 84

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