ABB SLTA Option Card Serial LonTalk Datasheet download pdf (Page 56)

Lo n Ma r k

certiﬁed individual room controllers for fan coil systems with heat-

ing and/or cooling. The heating/cooling switch can be centrally controlled,

or controlled via the average temperature. Incoming air and room tempera-

ture can be controlled in sequence. Fans are controlled continuously, 3-speed

or on-off depending on the fan coil controller type. The controller can be

operated in a stand-alone system or within a L

o n Wo r k s

network.

PI control with individual P-band and I-time settings for heating and cooling

can be set. Values can be monitored and parameters can be set centrally via

the central system or remotely with the TAC Xenta Operator Panel.

FUNCTIONAL FEATURES

• Various applications:

Single-step control with

cooling, heating or changeover

operation for cooling/heating.

Two-step control with cooling

and heating in sequence. Fan

control via 3-step relays, on/off

or speed control.

• Slave function mode of

operation and setpoint for

several slave controllers are

controlled by one master

controller.

•Setpointadjustmentviaawall

modulewithsetpointadjuster,

or via a L

o n Wo r k s

network

variable.

• Seven types of operation:

comfort, stand-by, bypass,

unoccupied, off, slave, fan

only.

• Several fan operation modes.

• Min and Max values limit air

flow.

• Alarm monitoring high or

low room temperature, open

window, temperature sensor

error etc.

• Occupancy sensor, window

contact and cool-down

protection, CO

measurement

input.

SPECIFICATIONS

Operating voltage . . . . . . . . . . . . . 24 V AC or 230 V AC ±20%

Power consumption . . . . . . . . . . . . 4 VA

Dimensions . . . . . . . . . . . . . . . . . . . 127x126x50mm(5”x5”x2”)

Ambient temperature

Operation . . . . . . . . . . . . . . . . . . . . 0°C to +50°C (32°F to 122°F)

Storage . . . . . . . . . . . . . . . . . . . . . . –20°C to +50°C (–4°F to 122°F)

Humidity . . . . . . . . . . . . . . . . . . . . . max. 90% RH non-condensing

Enclosure rating . . . . . . . . . . . . . . . . IP 30

Inputs and outputs

Window contact . . . . . . . . . . . . . . . Digital input

Occupancy sensor . . . . . . . . . . . . . Digital input

Cooling valve . . . . . . . . . . . . . . . . . . 3-point, on/off or PWM control

Heating valve . . . . . . . . . . . . . . . . . 3-point, on/off or PWM control

Fan . . . . . . . . . . . . . . . . . . . . . . . . . 3-step (250 V / 3 A) 101-VF

Room temperature . . . . . . . . . . . . . Thermistor input

Inlet air temperature . . . . . . . . . . . . Thermistor input

Wall module . . . . . . . . . . . . . . . . . . As selected

For further speciﬁcations, see technical data sheet.

TAC Xenta 101-VF

Fan Coil Unit Controller

DESCRIPTION

0-073-0505-0 TAC Xenta 101-VF/24 Fan Coil Unit heating/cooling, Fan 3 steps

0-073-0507-0 TAC Xenta 101-VF/230 Fan Coil Unit heating/cooling, Fan 3 steps

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ABB SLTA Option Card Serial LonTalk Datasheet Page 56

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