Carrier CCU - Page 54

Access level No. Description Setting By default Display condition
CONTROL SELECTION
3 8 Heating control
0: No heating control
0
1: One hot water coil
2: One electric heater
3: Electric heater or hot water coil via contact
3 9 Dehumidication control
0: No dehumidication control
01: One chilled water coil
2: One direct expansion system
3 10 Humidication control
0: No humidication control
2: Progressive MODBUS
0
3 11 Free cooling control
0 = Without
1 = With
0 P07 > 0
CONFIGURATION OF THE EXCHANGERS
3 16 Electric heater control
1: One on/off output (one stage)
2: Two on/off outputs (three stages)
3: One progressive stage
4: One progressive stage and one on/off
stage
1 P08 = 2 or 3
3 17 Direct expansion system control
5: Control of a staged condensation unit with
external management of automatic systems
and unit faults.
= 1
P07 = 2 to 4
or P09 = 2 to 4
6: Control of two condensation units with 1
stage with external management of
automatic systems and unit faults
3 18 Humidier type
1: 3 kg/h 230 V
2: 3 kg/h 400 V
3: 8 kg/h 400 V
4: 15 kg/h 400 V
1 P10 = 2
3 19 Type of water coil
1: One mixed coil (cooling/heating operation
via contact)
2: Two independent coils (one cooling coil,
one heating coil)
2
P07 = 1
and P08 = 1 or 3)
MODE SELECTION
2 31 Cooling setpoint offset
0: No control
1: Set offset shifted up by outer contact
2: Set offset shifted up by internal timer
0 P07 > 0
2 32 Heating setpoint offset
0: No shift
1: Set offset shifted down by outer contact
2: Set offset shifted down by internal timer
0 P08 > 0
3 35
Differential pressure
measurement
0: Via 0-10 V pressure sensor
1: Via 0.5 - 4.5 V pressure sensor
0
3 37
Controlled temperature sensor
type
0: Return sensor tted
1: Remote room sensor
0 P07>0 or P08>0
AIR FLOW
3 40 Max. setpoint for air ow control
4000 to 13,300 m³/h
4000 to 27,000 m³/h
4000 to 40,000 m³/h
13,300 m³/h
27,000 m³/h
40,000 m³/h
P02 = 17 and P05 = 1
P02 = 17 and P05 = 2
P02 = 17 and P05 = 3
FMA DIALOGUE CONFIGURATION
3 71 FMA1 conguration (*)
0: Not completed
1: Completed
0 P05 = 1 or 2 or 3
3 72 FMA2 conguration (*)
0: Not completed
1: Completed
0 P05 = 2 or 3
3 73 FMA3 conguration (*)
0: Not completed
1: Completed
0 P05 = 3
6 - CONFIGURING THE UNIT
54