Product catalog Product catalog - Unicom
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Product catalog Product catalog - Unicom

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Stand alone Controllers<br />

Stand alone Controllers<br />

1-16<br />

Room temperature controller 24Vac, modulating, on/off, T8078C<br />

Digital controller for individual zone control of terminal units in fan coil and air conditioning systems,<br />

with great applications flexibility. The controller provides position control of valves or dampers (for<br />

airside control), and is capable of mounting on a switching sub-base for manual control of the fan<br />

speed.<br />

The controller can be configured (with dipswitches) for the following applications:<br />

Heat / Cool changeover<br />

Cooling only<br />

Cooling + optional 2 stages On/Off Heating<br />

Heating only<br />

Heating + optional 2 stages On/Off Cooling<br />

Heating + Cooling Sequence Control<br />

Control output signal 2 triacs for 1 valve open/close; 2 triacs for 2nd valve open/close<br />

or 2 on/off stages; max. load 8 VA /triac (24 V)<br />

Control functions dipswitch settings for:<br />

PI Modulating (3-position)<br />

PI On/Off<br />

thermal actuator control using TPM (=Thermal Predictive<br />

Modulating)<br />

proportional band<br />

zero energy band<br />

Temperature element NTC100k<br />

Temp. setpoint range 15 ... 30 o C<br />

Optional inputs remote sensor, remote setpoint adjustment, heat/cool<br />

changeover, energy savings contact<br />

Housing (HxWxD) 83 mm; 83 mm; 40 mm<br />

Protection class IP30<br />

Power supply 24Vac; 1,2VA<br />

Additional description easy system check with LED and PC-output port<br />

easy commissioning with automatic valve pulsing<br />

periodic valve excercise and synchronisation<br />

remote sensor auto-detect<br />

Accessories<br />

Range stops, to limit setpoint adjustment (20 pieces)<br />

Wall-plate to allow mounting onto different wall boxes (5 pieces)<br />

Remote setpoint module (-5..+5 K)<br />

Remote sensor and setpoint module (-5..+5 K)<br />

Wall mounted space temperature sensor<br />

Remote sensor for duct or terminal unit mounting (1.5m cable)<br />

External pipe thermostat for automatic heat/cool changeover<br />

Fan speed switching subbase (230 V)<br />

http://products.ecc.emea.honeywell.com/europe<br />

Type<br />

T8078C1009<br />

F42006646 001<br />

F42007789 001<br />

Q979B1029<br />

Q979C1036<br />

Q979A1020<br />

T8109C1002<br />

S4390A1004<br />

Q6360A1025

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