52
Fig. 7.q
0 x 08 0 x 04 0 x 02 0 x 01
3210
Tasto Set
Tasto down/def
Tasto up/aux
Tasto prg/mute
Tastiera standard
0x08 0x04 0x02 0x01
3210
Tasto Set
Tasto down/def
Tasto up/cc
Tasto prg/mute
Tastiera standard
0x40 0x20 0x10
7654
0x80
Tasto haccp
Tasto aux
Tasto on/off
Tasto luce
Fig. 7.r
ENGLISH
ir33 +030220441 - rel. 2.0 - 01.05.2006
H1=11- reverse output in control with dead band: used to activate control with dead band (‘St’ ‘rd’ ‘rn’
‘rr’), using the auxiliary output aux1 for the reverse function.
H1=12 - second compressor step output.
H1=13 - second compressor step output with rotation .
Important: lmode ‘H1’=0 is also useful for signalling power failures.
Default: H1=1 => relay energised with alarm active. Available on all models supplied with the aux output.
H2: Disable keypad and/or remote control
Parameter ‘H2’ can be used to inhibit some functions relating to the use of the keypad, for example, the
modifi cation of the parameters and the set point if the unit is accessible to the public.
The following options are available:
Parameter “H2” 0 1 2 3 4 5 6
HACCP
PRG/MUTE (mute)
UP/aux • • •
DOWN/DEF (defrost) • • •
set (modifi cation of type F parameters) • • • • •
Modifi cation of the set point • • • •
Modifi cation from the remote control • •
ON/OFF • •
Tab. 7.n
When the set point modifi cation and parameter modifi cation functions are inhibited, neither the set
point nor the type F parameters can be changed, while their values can still be displayed. The type
C parameters, on the other hand, being password protected, can also be modifi ed from the keypad,
following the procedure described previously. With the remote control disabled, only the values of the
parameters can be displayed, but they cannot be modifi ed; in addition, the mute, defrost, continuous
cycle, aux (auxiliary 1), light (auxiliary 2) and on/off functions are disabled. Warnings: If H2=2 or H2=3
is set on the remote control, this is immediately disabled. To re-enable the remote control, set H2=0 or
H2=1 on the keypad.
Default: H2=1=> all enabled
H3: Enabling code for programming from the remote control
Parameter H3 assigns an access code to the remote control. As already described, this allows the remote
control to be used when there is more than one controller present on the same panel, without the risk
of interference. For further details, see the paragraph on the use of the remote control.
Default: H3=00 => programming from the remote control without code.
H4: Disable buzzer
This parameter can have two values:
H4=0 buzzer enabled;
H4=1 buzzer disabled
Default: H4=0=> buzzer enabled.
Available on all models.
H5: AUX2 operating mode
See parameter H1, however referring to the auxiliary 2 logical output (or relay 5).
H6: Lock keypad
Using the corresponding bits, the functions relating to the individual buttons on the keypad can be
disabled (setting to 0), according to the following relationships:
Total (value of parameter H6): to calculate the value to be assigned to parameter H6, simply sum the
values assigned to the functions that should be disabled.
For ir33, ir33power and ir33DIN see Table 7.q, for powercompact, powercompact small and mastercella
see Table 7.q.
Important: the functions disabled using parameter H6 are added to those disabled using parameter H2.
Example: disable the “SET button”, “AUX button”:
ir33, ir33power and ir33DIN: 1+4 = 5 = value or parameter H6;
powercompact, powercompact small and mastercella: 1+32 = 33 = value of parameter H6.
Bit Value Button Functions that can be enabled/disabled
01 Report printing procedure
12
Defrost
24
Continuous cycle
38
Mute
416
Enter HACCP
532
Enable/disable auxiliary output 1
664
On/Off
7128
Enable/disable auxiliary output 2
Tab. 7.o
Default: H6=0 => all buttons disabled.
ir33, ir33power and ir33DIN:
powercompact, powercompact small and MasterCella
keypad
Value
Function Disabled +
set button 1
down/def button 2
up/aux button 4
prg/mute button 8
Tab. 7.p
Bit Mask But-
ton
Functions that can be enabled/disabled
01
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