gefran 1200 Instructions For Use Manual page 20

(FG
Configuration
This menu makes it possible to configure various control parameters.
G
F G
PV
---
SV
Enabling self-tuning, autotuning,
S. v t
PV
softstart (**)
0
SV
Proportional band for heating or hysteresis
h. P b
for ON/OFF control
PV
1. 0 [0 ... 999.9] % f.s.
SV
Integral time for heating
h. I t
PV
[0.00 ... 99.99] min.
4. 0 0
SV
Derivative time for heating
h. d t
PV
[0.00 ... 99.99] min.
1. 0 0
SV
h. P . K Maximum power limit
PV
for heating [0.0 ... 100.0] %
100. 0
SV
Minimum power limit for heating (not
h. L P.
PV
available for double heat/cool action)
0. 0
SV [0.0 ... 100.0] %
Cooling medium
G. E
PV
[0 ... 2]
0
SV
Setpoint for cooling relative to
c. P
S
heating setpoint
PV
0 [±25.0] % f.s.
SV
Proportional band for cooling or
c. b P
hysteresis for ON-OFF control
PV
[0 ... 999.9] % f.s.
1. 0
SV
Integral time for cooling
c. t I
PV
[0.00 ... 99.99] min.
4. 0 0
SV
Derivative time for cooling
c. t d
PV
[0.00 ... 99.99] min.
1. 0 0
SV
Maximum power limit for cooling
c. K P.
PV
[0.0 ... 100.0] %
100, 0
SV
A
20
Fourth menu to set up
S.tun Continuous Selftuning
autotunig
0 NO NO
1 YES NO
2 NO YES
3 YES YES
4 NO NO
5 YES NO
6 - -
7 - -
S.tun Single action Selftuning
Autotuning
8* WAIT NO
9 GO NO
10* WAIT YES
11 GO YES
12* WAIT NO
13 GO NO
*) By adding the following figures to the value indicated in the
table it is possible to enable a series of supplementary fun-
ctions:
+16 with automatic switch to GO if PV-SP > 0.5%
+32 with automatic switch to GO if PV-SP > 1%
+64 with automatic switch to GO if PV-SP > 2%
+128 with automatic switch to GO if PV-SP > 4%
**) For more information on the Self Tuning, Auto
Tuning, Soft Start functions, refer to the
Operational Notes paragraph.
Type Relative gain (rG)
[ME
(see paragraph "Application Notes")
0 AIR
1 OIL
2 WATER
Read only parameters if the Heat/Cool control typology
is enabled
(parameter CTR = 14 in the HRD menu)
81801G_MHW_1200-1300_07-2011_ENG
Softstart
NO
NO
NO
NO
YES
YES
-
-
Softstart
NO
NO
NO
NO
YES
YES
1
0,8
0,4