Control Schemes; Control Basic Operation; Description; Main Functions - S&P CADB-HE BASIC Series Manual

8. CONTROL SCHEMES

Supply fan
SF
Extract fan
EF
Supply temperature probe
S1
Outdoor temperature probe
S2
Extract temperature probe
S3
S4 Exhaust temperature probe
FCD Polluted filters detector (pressure switch)
FFD Fan Failure Detector (fan relay)

9. CONTROL BASIC OPERATION

9.1. DESCRIPTION

The control BASIC is a Plug & Play control factory mounted and wired that allows the management and
supervision of heat recovery units of the series CADB/T-HE-D without heating/cooling coils.

9.2. MAIN FUNCTIONS

The BASIC controller allows the management of the following functions:

9.2.1. Via the remote terminal supplied with the unit

FUNCTIONALITY
Manual fans speed adjustment
Automatic fans speed adjustment in VAV mode. Fans adjust their speed from the signal measured by an external
sensor (CO , Relative humidity or Temperature)
2
Remote stop / start of the unit via external contact (Free of voltage)
BOOST function: Forced preset speed via external contact free of voltage. Only available for models 04 to 27
Bypass damper management
Heat exchanger anti-freezing protection
Alarm display in remote control
Control of polluted fi lters via pressure switches (included)
Control of fans status / failure
Modbus RTU communication
M
HE High-efficiency heat exchanger
RT Remote control panel
Supply filter
F7
Extract filter
M5
Bypass actuator
M
SCO2 CO2 sensor (accessory)
TDP Pressure sensor TDP-S (accessory. Exclusively for use in
case of Modbus integration)
17