ABB SLTA Option Card Serial LonTalk Datasheet download pdf (Page 106)

100

Heating Controllers

TAC 200 OPT

Heating Compensator and

Optimizer

TAC 200 OTP is a heating compensator complete with optimizer control

of the boiler. It can be used for conventional supply temperature control of

mixing valve systems for radiator or ﬂoor heating. It can also be used for two

stage on/off control of gas boilers.

With a room sensor, automatic reset of the supply temperature from the

roomtemperaturecanbeobtained.Greatexibilityinadjustingthereset

curve – a number of curves are available for each individual application –

enables optimum matching to the pertinent heating system. TAC 200 OTP

has high and low limits for the supply water temperature.

The controller has a built-in safety function with three stages of frost protec-

tion.Readingandadjustingvaluesiseasythankstoadisplaywindowand

push buttons on the front of the controller.

SPECIFICATIONS

Power supply voltage . . . . . . . . . . 220–230 V AC±10%, 50–60 Hz

Power consumption . . . . . . . . . . . 2 VA

Dimensions. . . . . . . . . . . . . . . . . . 14x96x96mm(5.7”x3.8”x3.8”)

Real Time Clock

Accuracy . . . . . . . . . . . . . . . . . . . max. dev. 12 min./year at +25°C (77ºF )

Backup memory . . . . . . . . . . . . . . 12 hours

Ambient Temperature

Operation . . . . . . . . . . . . . . . . . . 0 to +50 °C (32 to +77ºF)

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

Ambient humidity . . . . . . . . . . . . max. 90% RH, non-condensing

Protection . . . . . . . . . . . . . . . . . . IP 40

Application selection . . . . . . . . . . DIP-switch with 8 switches

Digital inputs . . . . . . . . . . . . . . . . 2

Analog inputs . . . . . . . . . . . . . . . . 3

Thermistor type . . . . . . . . . . . . . . 1800 ohm/25 °C (77ºF)

Relay Outputs

Number of outputs . . . . . . . . . . . . 4

Function . . . . . . . . . . . . . . . . . . . . making (NO)

Voltage rating . . . . . . . . . . . . . . . max. 250 V AC

Load rating . . . . . . . . . . . . . . . . . . 2 A, min. 50 mA at 24 V

DESCRIPTION

200-1005-000 TAC 200 OPT

FUNCTIONAL FEATURES

• Outdoor-reset control

• Automatic calculation of

the reset curve from a room

sensor

• Control of mixing valve

systems for radiator or floor

heating

• Functions for two or three

stage on/off control of gas

boilers

• Night setback and morning

boost

• Pump control

• Day and week scheduling

• Daylight saving function

• Easy program selection with

dip switches

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