S&P CADB-N 05 PRO-REG, Installation Manual And Instructions For Use

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48
ENGLISH
8. CONTROL FUNCTIONS
FUNCTION COMMENTS
1 Temperature regulation Only versions with postheating batteries
incorporated (-DI/-DC)
2 Manual selection of speed: preset speed (slow/medium/
high)
3 Automatic management of the fan speed by CO
2
or
HR sensors. VAV operation
Requires the sensor accessory
SCO2-G 0-10V
SCO2-A 0-10V
4 Automatic fans speed control in CAV mode. Fan speed will
adjust as fi lters become dirty Requires the pressure sensor accessory
TDP-S (2 units)
5 Automatic fans speed control in COP mode. Fan speed will
adjust to maintain a constant pressure in the duct system Requires the pressure sensor accessory
TDP-S (1 or 2 units depending if the control
circuit is the supply/extraction or both)
6 Booster: Fans at maximum speed during a predefi ned time The activation of this function should be
performed by external contact
7 Weekly programs
8 Remote control On/Off by digital contact The activation of this function should be
performed by external contact.
9 By-pass automatic management
10 Exchanger frost prevention
11 Management of electrical post-heating. Proportional mode
12 Management of water coil post-heating. Proportional mode It is necessary the 3 way valve
3WV…PROP 24V
13 Unit status and alarms displayed in touch screen
14 Monitoring of the state fouling of the fi lters via differential
pressure switches Pressure switches mounted
inside the unit
15 Individual indications for the clogging of the supply and
extraction air fi lter
16 Monitoring of the state of the fans
17 Communication Modbus RTU
9. CONTROL SCHEME
D Version with By-pass
Accessory