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AH-New
condensing air handling unit
40
code HG0310.05GB ed.A-2010
AH
41
code HG0310.05GB ed.A-2010
AH
Parameters of CPU-SMART PCB version 7.03.xx
PARAMETER
AH034
AH065
AH105
AH160
AH210
AH320
AH420
DESCRIPTION
Limit NTC1 control (with D0=5 or 7)
SEL (2)
-
1
Modulation probe 1=NTC probe1; 3=NTC3 probe
S1
(2)
-
1
NTC1 probe enabling: 0=disabled; 1=enabled
ST1 (1)
°C
65
NTC1 setpoint: -10÷140
SP1 (2)
°C
5
SP1 hysteresis: 0÷10
XD1 (3)
%
20
Proportional band from 4 to 100
TN1 (3) sec
100
Integral coefficient: 1÷255
AC1 (3)
-
1
0=only modulation; 1= modulation and ON/OFF
TH1 (2)
°C
75
Upper Temperature limit for fault F51 activation: 10÷95
autoreset if NTC1<TH1-15°C
S3
(2)
-
0
NTC3 probe enabling: 0=disabled; 1=enabled
TH3 (2)
°C
95
Upper temperature limit for F53 fault activation (auto-reset if
NTC3<TH3): 0÷140
Fan and damper output control
H11 (2)
-
2
0=output disabled;
1=analogue output Y1 enabled (PWM);
2=analogue output Y2 enabled (0÷10Vdc);
3=outputs Y1 (PWM) and Y2 (0÷10Vdc) enabled;
4=outputs Y1 (PWM) and Y2 (0÷10Vdc) enabled for
pressostatic structures;
5=analogue output Y2 (0÷10Vdc) enabled for operating mode
d1=10/12;
6=outputs Y1 (PWM) and Y2 (0÷10Vdc) enabled for boiler
summer ventilation with EC fan heater
H12 (1)
V
6
Y2 output minimum voltage: 0÷10
H13 (1)
V
10
Y2 output maximum voltage: 0÷10
H14 (3)
%
80
PWM minimum value: 0÷100
H15 (3)
%
100
PWM maximum value: 0÷100
H16 (3)
-
2
0, 1=not used;
2=blower modulation proportional to FAN (do not change);
3=blower modulation proportional to B1 input (0-10V);
4 proportional to B2 input for pressure check in pressostatic
structures;
5= proportional NTC1 for checking Queen/Fan heaters (only
output Y2)
H17 (3)
-
0
0=PWM (Y1) or 0/10V (Y2) output according to "direct" logic;
1=PWM (Y1) or 0/10V (Y2) output according to "reverse" logic;
2= PWM (Y1) "reverse" and 0/10V (Y2) "direct” output;
3= PWM (Y1) "direct" and 0/10V (Y2) "reverse” output
H18 (1)
-
8
Y2 output fixed voltage
H19 (3)
-
32
Reading of NTC1 to which the minimum value of Y2 output
corresponds - NOT USED
H20 (3)
-
65
Reading of NTC1 to which the maximum value of Y2 output
corresponds - NOT USED
Main modulation PCB configuration:
MASTER
