11
Below is a description of the outputs in the table.
Operating
mode
Outputs CU24V1
Y3
Y4
Q3
Q4
Heating
0-10V:
Heating control
5-10V:
Heating control
Unit start
Operating mode select
Open: heating
Cooling
0-10V:
Cooling control
5-0V:
Cooling control
Unit start
Operating mode select
Closed: cooling
4.2
P
ARAMETER VALUES
4.2.1
S
UPPLY AIR PARAMETERS
Name
Default value
Range Description
MIN
15
C
0 ÷
66
C
Minimum temperature of air supply
MAX
35
C
5 ÷
70
C
Maximum temperature of air supply
4.2.2
H
EATING PARAMETERS
Name
Default value
Range
Description
PBAND
30.0°C
0 ÷ 999.9°C
Proportional band.
Setting PBAND = 0 means ON / OFF
operation with hysteresis and the
entered HYS parameter.
INT
100 sec
0 ÷ 6000 sec
Integral time
HYS
1.5°C
0.5 ÷ 10.0°C
Hysteresis for two-position control.
If the PBAND = 0, hysteresis determines
the HYS parameter
Operation ON/OFF
HDIS
18
o
C
10 ± 22
o
C
Outside temperature above which the
heating is turned off (the SUMMER mode)
PREHEAT
(preheating -
only water
heating)
ON
ON, OFF
Preliminary heating:
Before the fans start the heater is warm
up.
FOVER
MAN
AUTO, MAN
Frost alarm clearing:
MAN
–
Manual start of the unit after
clearing alarm manually.
AUTO
–
Automatic alarm reset and unit
start after the alarm signal disappears.
HDIS parameter operation scheme
