27
9. CONTROL FUNCTIONS
The UTBS PRO-REG units are supplied with integrated electronic control in the unit. It
allows to perform the following functions:
Without
batteries
With
water
coils
With
electrical
battery
Witch
DX
battery
MAIN COMPONENTS
General proximity switch over the electrical box
•
•
•
•
Fresh air temperature probe
-
•
•
•
Extract air temperature probe
-
•
•
•
Supply air temperature probe
-
•
•
•
Defrost temperature probe
•
CHANGE OVER thermostat to be installed on the water
supply coil
-
O
-
-
3 way valve with proportional 0-10V actuator
3WV PROP 24V
-
O
-
-
Frequency converter
•
•
•
•
Cloged filters switches
•
•
•
•
FEATURES
ON/OFF function (Remote ON/OFF via external power free
contact)
•
•
•
•
Automatic airflow adjustment, according to time band (inter-
nal Timer)
•
•
•
•
Flow control in CAV mode. Constant airflow regardless of the
state of fouling of the filters
•
•
•
•
Automatic airflow adjustment in VAV mode, according to
external signal 0-10V (CO2 accessory)
•
•
•
-
Automatic speed adjustment of the fans in Constant
Pressure mode (Increase of fan speed when pressure in the
duct system decreases). It is necessary TDP-S accessory
•
•
•
-
BOOST function (Forced speed preset via external power free
contact)
•
•
•
•
Regulation of water coil thermal power. 0-10V control of the
water valve (accessory)
-
•
-
-
Regulation of electric heater battery thermal power.
Proportional control via SSR
-
-
•
-
Proportional control of thermal demand (0-10V output sig-
nal) to manage expansion valve kit (verify compatibility with
used DX control valve kit)
-
-
-
•
Isolation damper control (accessory)
•
•
•
•
Operation of an external mixing box (accessory)
•
•
•
-
Speed-control of an external fan (slave) with analogic signal
0-10V available
•
•
•
•
• included; O optional; - Non available
Содержание UTBS PRO-REG Series
Страница 1: ...SERIE UTBS PRO REG EN...
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Страница 29: ...29 10 CONTROL DIAGRAM Version with electric batteries...
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Страница 31: ...31 Versions with reversible water coil...
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