Carrier CCU Regelungshandbuch Seite 56

6 - CONFIGURING THE UNIT
Access level No. Description
Free cooling activation
2 125
differential
Free cooling activation low limit
2 126
setpoint
2 128 Free cooling opening limit
External weight in water low
2 129
limit setpoint
External weight in water high
2 130
limit setpoint
1 140 Low limit setpoint
Proportional band for the low
1 141
limit
1 142 High limit setpoint
Proportional band for the high
1 143
limit
2 144 Cooling setpoint offset
2 145 Heating setpoint offset
2 146 Air flow rate setpoint
2 147 Air flow rate proportional band
2 148 Air flow rate integration time
2 149 Air flow rate derivation time
2 150 Discharge pressure setpoint
Discharge pressure
2 151
proportional band
Discharge pressure integral
2 152
time
Discharge pressure derivative
2 153
time
Electric heater maximum
2 154
percentage
Percentage of the rotation
2 155
speed
Minimum percentage of the
2 156
rotation speed
Maximum percentage of the
2 157
rotation speed
Percentage of proportional
2 158 bands reserved for controlling
just the valves
Return/supply air temperature
2 159
differential setpoint
Return/supply air temperature
2 160
proportional band
56
Setting
FREE COOLING CONTROL
3 to 20 K
-5 to 20°C
0 to 100%
0 to 15 g
8 to 18 g
LIMITATION OF THE SUPPLY AIR TEMPERATURE
5 to 30 °C
1 to 20 K
30 at 60°C
1 to 20 K
TEMPERATURE SETPOINT SHIFT
0 to 30 K
0 to 20 K
AIR FLOW
4000 to P40 m³/h
100 to 50,000 m³/h
0 to 1800 s
0 to 1800 s
FLOOR PRESSURE
20 to 250 Pa
20 to 1000 Pa
0 min 0 s to 30 min 0 s (0 to 1800 s)
0 min 0 s to 30 min 0 s (0 to 1800 s)
LIMITING THE POWER OF THE GRADUAL ELECTRIC HEATER
0 to 100%
LIMITATION OF THE FAN ROTATION VARIABLE SPEED CONTROL
P156 to P157
0 to 90 % if P08 = 0 or 1 and P10 = 0
50 to 90% if P08 > 1 or P10 > 0
P156 to 100%
0 to 100%
RETURN/SUPPLY AIR TEMPERATURE CONTROL
5.0 to 20.0 °C
1.0 to 10.0 °C
By default Display condition
3 K P11 = 1
0°C P11 = 1
100% P11 = 1
P11 = 1 and
4 g (P09>0 or
P10>0)
P11 = 1 and
12 g (P09 >0 or
P10 > 0)
P06 = 1 and (P07 > 0 or P09 >
14°C
0)
P06 = 1 and (P07 > 0 or P09 >
4 K
0)
50°C P06 = 1 and P08 > 0
4 K P06 = 1 and P08 > 0
5 K P31 > 0
5 K P32 > 0
1000 m³/h P02 = 17
6000 m³/h P02 = 17
0 s P02 = 17
0 s P02 = 17
100 Pa P2 = 15
50 Pa P2 = 15
3 min 0 s P2 = 15
3 min 0 s P2 = 15
(P08 = 2 or 3) and (P16 = 3 or
100%
4)
(P156+P157)/2
60% P02 > 9
100% P02 > 9
50 % P02 = 10 to 13
10.0 °C P2 = 16
2.0 °C P2 = 16