User guide

9-2
Individual room control
http://products.ecc.emea.honeywell.com/europe
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Individual room control
Digital controller for individual zone control of terminal units in fan coil and air conditioning systems,
with great applications flexibility. The controller provides position control of valves or dampers (for
airside control), and is capable of mounting on a switching sub-base for manual control of the fan
speed.
The controller can be configured (with dipswitches) for the following applications:
• Heat / Cool changeover
• Cooling only
• Cooling + optional 2 stages On/Off Heating
• Heating only
• Heating + optional 2 stages On/Off Cooling
• Heating + Cooling Sequence Control
Accessories
Room temperature controller 24Vac, modulating, on/off, T8078C
Control output signal 2 triacs for 1 valve open/close; 2 triacs for 2nd valve open/close
or 2 on/off stages; max. load 8 VA /triac (24 V)
Control functions dipswitch settings for:
• PI Modulating (3-position)
• PI On/Off
• thermal actuator control using TPM (=Thermal Predictive
Modulating)
• proportional band
• zero energy band
Temperature element NTC100k
Temp. setpoint range 15 ... 30
o
C
Optional inputs remote sensor, remote setpoint adjustment, heat/cool
changeover, energy savings contact
Housing (HxWxD) 83 mm; 83 mm; 40 mm
Protection class IP30
Power supply 24Vac; 1,2VA
Additional description • easy system check with LED and PC-output port
• easy commissioning with automatic valve pulsing
• periodic valve excercise and synchronisation
• remote sensor auto-detect
Type
T8078C1009
Range stops, to limit setpoint adjustment (20 pieces)
F42006646 001
Wall-plate to allow mounting onto different wall boxes (5 pieces)
F42007789 001
Remote setpoint module (-5..+5 K)
Q979B1029
Remote sensor and setpoint module (-5..+5 K)
Q979C1036
Wall mounted space temperature sensor
Q979A1020
Remote sensor for duct or terminal unit mounting (1.5m cable)
T8109C1002
External pipe thermostat for automatic heat/cool changeover
S4390A1004
Fan speed switching subbase (230 V)
Q6360A1025