Carel IR33C7HB0E Read Me First

+050001531 - rel. 1.1 del 09.03.2010
ir33 smart
- IR33C7HB0E electronic controller for normal and low temperature ventilated refrigeration units
•
Electronic controller for normal and low temperature ventilated refrigeration units
• 115/230 Vac switching power supply
• 16 A compressor relay
• Management of NTC (-50 to +90°C) and PTC (-50 to +150°C) sensors
• Simple and intuitive installation and confi guration
• 6 pre-loaded confi gurations for the most common refrigeration applications
• HACCP reports
• Real time clock
READ ME NOW!!!
With reference to the label on the rear of the instrument and the required application
1. Check that power supply, probes and loads (compressor, heaters, etc.) are suitable for the
instrument.
2. Fasten the instrument to the panel as shown in the following fi gure.
3. Make all the required electrical connections.
4. Power up the unit.
5. After around 2 seconds, if the instrument displays the temperature read by the probes connected
to the device, go directly to point 7. If nothing is displayed or an alarm is signalled (alarm codes on
the display), power down, check the connections and the power supply and go to point 6.
6. Power the unit up again. If the instrument now correctly displays the temperature, go to point 7. If,
on the other hand, the problem described in point 5 is repeated, see the table "Alarms and signals:
display, buzzer and relay" to identify the cause of the problem.
7. ir33 smart is now ready to be confi gured. For correct confi guration based on the required
application, see the section "How to select and load a confi guration".
Dimensions (mm)
70,5
76,2
79
80,6 56,5
65
Wall mounting ir33
1
2
Wall mounting by two plastic brackets sliding in from side
Wiring diagram
N R1
R3 R4
L EN60730-1 12 (2) A
UL 873 12A 5FLA
30LRA
POWER
-10T60
SUPPLY
R1 R2
L N
1 2 1
N L
PROBES DI DI
Optional connections
IROPZ48500
Serial board interface RS485
1
2
IMPORTANT: separate the probe and digital input cables from the
NO POWER
cables to inductive loads and power cables to avoid electromagnetic
& SIGNAL
CABLES
disturbance. Never run power cables (including electrical panel
TOGETHER
READ CAREFULLY IN THE TEXT! cables) and signal cables in the same conduits.
How to select and load a user confi guration
Step Action Effect Meaning
After 2 seconds the 'bn0' is the current confi guration. (Standard CAREL
Switch the instrument on
1 display shows the when fi rst switched on or other user confi guration,
while holding
message 'bn0' if loaded)
The display shows the
Select the required confi guration
def
2 messages 'bn1', 'bn2',
Press or
(refer to the following table)
'bn3', 'bn4', 'bn5', 'bn6'
aux
The display shows "Std" The user confi guration selected in point 2 will be
3
Press
Set
for 1 sec loaded
This procedure can only be performed once: the most suitable confi guration for the application, once
loaded, will remain active the next time the instrument is started.
When switching on the fi rst time, bn0 corresponds to the Carel standard (default confi guration). The
procedure for loading one of the user confi gurations involves copying one of the sets of parameters
(bn1,...,bn6) to bn0. bn0 therefore always corresponds to the last confi guration loaded.
Confi gurations
ir33 SMART is loaded with 6 default confi gurations (sets of parameters). Each confi guration identifi es
a specifi c refrigeration application, and can be identifi ed simply by the index (bn*) when switching the
instrument on.
Index Application Op. T. range Inputs
Normal temperature ventilated refrigeration
bn1 2T10°C
units with heater defrost (timed)
Normal temperature ventilated refrigeration
bn2 units with heater defrost (by temperature) 2T10°C
and light control
Normal or low temperature ventilated refrige-
-20T-14°C
bn3 ration units with heater defrost
2T10 °C
(by temperature) and light control
Normal temperature ventilated refrigeration
bn4 units with heater defrost (with two evapora- 2T10°C
tors, by temperature)
Normal or low temperature ventilated
-20T-14°C
bn5 refrigeration units with heater defrost (with
2T10 °C
two evaporators, by temperature)
bn6 Standard CAREL (default confi g.) -50T90 °C
bn1: normal temperature (+2T10 °C) ventilated refrigeration units
with heater defrost (timed) -
Temperature control
Compressor
DIRECT MODE
NO POWER
& SIGNAL
CABLES
TOGETHER
READ CAREFULLY IN THE TEXT!
Set point
Inputs Room probe
Compressor
Outputs Defrost heater
Evaporator fan
Name
Main parameters
(type F) AL (*)
AH (*)
(*) alarm thresholds AL & AH absolute. Relay R4 is not used.
bn2: normal temperature (+2T10 °C) ventilated refrigeration units
with heater defrost (by temperature) and light control
Temperature range: 2T10 °C
Temperature control
Compressor
DIRECT MODE
Set point
*: short-circuit terminals 10 and 11 if the door switch is
not used
dima di foratura
drilling template
Room probe
71x29 mm
Inputs Defrost probe
Door switch
Compressor
Defrost heater
Outputs
Evaporator fan
Light
Name
Main parameters
(type F)
AL (*)
AH (*)
R2 R3 R4
(*) absolute alarm thresholds
8 (4) A 8 (4) A 8 (4) A
8A 2FLA 8A 2FLA 8A 2FLA
bn3: normal (+2T10 °C) or low temperature (-20T-14 °C) ventilated
12LRA 12LRA 12LRA
SERIAL BOARD & KEY
refrigeration units with heater defrost (by temperature) and light control
Temperature range -20T-14 °C & +2T10 °C
tLAN interface
Temperature control
Compressor
2
DIRECT MODE
Set point
*: short-circuit terminals 10 and 11 if the door switch is not used
IROPZKEY**
Programming key
Room probe
Inputs Defrost probe
Door switch
Compressor
Defrost heater
Outputs
IROPZDSP00
Evaporator fan
Display interface option
Light
Name
Main parameters
(type F)
AL (*)
AH (*)
(*) absolute alarm thresholds
bn4: normal temperature ventilated refrigeration units (+2T10 °C)
with heater defrost (by temperature) and two evaporators
Temperature range +2T10 °C
Temperature control
Compressor
DIRECT MODE
Set point
Relay outputs Room probe
Compressor Inputs Defrost probe 2a
Defrost probe 2b
NTC room Defrost
Compressor
Fans
Defrost heater 1
Compressor
Outputs
NTC room
Defrost heater 2
Defrost
NTC evaporator
Evaporator fan
Fans
DI door switch
Name
Light
Compressor
NTC room
Defrost
NTC evaporator
Fans
DI door switch
Light
Compressor
NTC room
Main parameters
Defrost
NTC evaporator 1
(type F)
Evap fans 1
NTC evaporator 2
Evap fans 2
AL (*)
Compressor
AH (*)
NTC room
Defrost
NTC evaporator 1
Evap fans 1
NTC evaporator 2
Evap fans 2
confi gurable confi gurable
(*) absolute alarm thresholds
Temperature range: 2T10 °C
Connection diagram
N
R3 R4
L
POWER
SUPPLY
R1 R2
L N
1
Temp. °C
115/230 V~
rd
N L
50mA~ max PROBE
NTC 1
R1: 16 A relay
R3: 8 A relay
R2: 8 A relay
Type Description Default value
St Set point 4 °C
CtL
rd Control differential (hysteresis) 2 °C
dl Interval between defrosts
8 hours
dEF
dP1 Maximum evap. defrost duration 30 min
Minimum temperature alarm -30 °C
Maximum temperature alarm
30 °C
ALM
Ad Temperature alarm delay
30 min
F0 Fan management 0
FAn
Fd Fans off after dripping 0 min
Connection diagram
R3 R4
POWER
SUPPLY
R1 R2
L N
Temp. °C 1 2
rd
115/230 V~
N L
50mA~ max PROBES
NTC 1
NTC 2
Digital input DI1
R1: 16 A relay
R3: 8 A relay
R2: 8 A relay
R4: 8 A relay
Type Description Default value
St Set point 2 °C
CtL
rd Control differential (hysteresis) 2 °C
dl Interval between defrosts
6 hours
dt1 Evaporator end defrost temperature 4 °C
dEF
dd Dripping time 2 min
d/1 Defrost probe 1 reading
-
Minimum temperature alarm -30 °C
Maximum temperature alarm 30 °C
ALM
Ad Temperature alarm delay
30 min
F0 Fan management 0
F1 Fan on temperature
5 °C
FAn
Fd Fans off after dripping
2 min
Connection diagram
R3 R4
POWER
SUPPLY
R1 R2
L N
1
Temp. °C
rd 115/230 V~
N L
50mA~ max PROBES
NTC 1
NTC 2
Digital input DI1
R1: 16 A relay
R3: 8 A relay
R2: 8 A relay
R4: 8 A relay
Type Description Default value
St Set point -14 °C
CtL
rd Control differential (hysteresis)
2 °C
dl Interval between defrosts 6 hours
dt1 Evaporator end defrost temperature 4 °C
dEF
dd Dripping time
2 min
d/1 Defrost probe 1 reading -
Minimum temperature alarm -50 °C
Maximum temperature alarm
30 °C
ALM
Ad Temperature alarm delay 30 min
F0 Fan management 0
F1 Fan on temperature 5 °C
FAn
Fd Fans off after dripping 2 min
Connection diagram
R3 R4
POWER
SUPPLY
R1 R2
L N
1 2a
Temp. °C
115/230 V~
rd
N L
50mA~ max PROBES
NTC 1
NTC 2
NTC 3
R1: 2 HP relay
R3: 8 A relay
R4: 8 A relay
R2: 8 A relay
Type Description Default value
St Set point
2 °C
CtL
rd Control delta 2 °C
dl Interval between defrosts 6 hours
dt1 Evaporator end defrost temperature
4 °C
dt2 AUX evap. end defrost temperature 4 °C
dEF
dd Dripping time 2 min
d/1 Defrost probe 1 reading
-
d/2 Defrost probe 2 reading -
Minimum temperature alarm -30 °C
Maximum temperature alarm
30 °C
ALM
Ad Temperature alarm delay
30 min
F0 Fan management 0
F1 Fan on temperature 5 °C
FAn
Fd Fans off after dripping 2 min
bn5: normal (+2T10 °C) or low temp. (-20T-14 °C) ventilated refrigera-
tion units with heater defrost (by temperature) & two evaporators
Temperature range -20T-14 °C & +2T10 °C
Temperature control
Compressor
DIRECT MODE
Temp. °C
rd
Set point
Room probe NTC 1
Inputs Defrost probe 2a NTC 2
Defrost probe 2b NTC 3
Compressor R1: 2 HP relay
Defrost heater 1 R3: 8 A relay
Outputs
Defrost heater 2 R4: 8 A relay
Evaporator fan R2: 8 A relay
Name Type Description
St Set point
CtL
rd Control delta
dl Interval between defrosts
dt1 Evaporator end defrost temperature
dt2 AUX evaporator end defrost temp.
dEF
dd Dripping time
Main parameters
d/1 Defrost probe 1 reading
(type F)
d/2 Defrost probe 2 reading
AL (*) Minimum temperature alarm
AH (*) Maximum temperature alarm
ALM
Ad Temperature alarm delay
F0 Fan management
F1 Fan on temperature
FAn
Fd Fans off after dripping
(*) absolute alarm thresholds
bn6: standard CAREL (default confi guration)
Connection diagram
R3 R4
DOOR
SWITCH
DI
R1 R2
N L
Name Type Description
St Set point
rd Control delta
rt Temperature monitoring interval
CtL
rH Maximum temperature read
rL Minimum temperature read
dl Interval between defrosts
dt1 Evaporator end defrost temperature
dt2 AUX evaporator end defrost temp.
dP1 Maximum evaporator defrost duration
Main parameters
dP2 Maximum evaporator defrost duration
(type F)
dEF
dd Dripping time
Alarm bypass time after defrost and/or door
d8
open
d/1 Defrost probe 1 reading
d/2 Defrost probe 2 reading
AL Minimum temperature alarm
AH Maximum temperature alarm
ALM
Ad Temperature alarm delay
F1 Fan on temperature
FAn
Fd Fans off after dripping
Indications on the display
When fl ashing, the signals on the display indicate a request that cannot be implemented until the delay
timers have expired.
Icon Function
ON OFF
COMPRESS. compressor on compress. off
DOOR
2
FAN fan on fan off
SWITCH
DI
DEFROST defrost in progress no defrost call
AUX auxiliary output AUX auxiliary output not
AUX
active active
delayed external alarm
ALARM (before the time "A7"has no alarm present
elapsed)
if at least one timed no timed defrost has
CLOCK
defrost has been set been set
light auxiliary output light auxiliary output not
LIGHT
active active
SERVICE no malfunction
function enabled (HA
HACCP function not enabled
and/or HF)
CONT. CYCLE function activated function not activated
Buttons on the keypad
But. Pressing the button alone Pressing together with other buttons
• if pressed for more than • if pressed with SET for more
5 s, accesses the menu than 5s, accesses the menu
for setting the type F for setting type C parameters
parameters (frequent) (confi guration) or downloa-
• in the event of alarms: ding the parameters
mutes the audible alarm • if pressed together with UP/
(buzzer) and deactivates AUX for more than 5s resets
the alarm relay any alarms with manual reset
if pressed for more than 1 • if pressed together with DOWN/DEF for more than 5s, activates/deactiva-
s, activates /deactivates the tes the continuous cycle
aux
auxiliary output • if pressed with SET for more than 5s starts the report printing procedure
(function available but to be implemented)
• if pressed with PRG/MUTE for more than 5s, resets any alarms with
manual reset
2b
if pressed for more than 5 • if pressed together with UP/AUX for more than 5s activates/deactivates
def
s, activates /deactivates a the continuous cycle
manual defrost • if pressed for more than 1 s with SEL, displays a submenu with the
HACCP alarm parameters (HA, HAn, HF, HFn)
if pressed for more than 1 • if pressed with PRG/MUTE for more than 5s, accesses the menu for setting
Set
s, displays and/or sets the type C parameters (confi guration) or downloading the parameters
set point • if pressed for more than 1 s with DOWN/DEF, displays a submenu with the
HACCP alarm parameters (HA, HAn, HF, HFn)
• if pressed with UP/AUX for more than 5s starts the report printing procedu-
re (function available but to be implemented)
How to set the set point
Step Action Effect
After 2 seconds the display will show
1 Press Set for 2 seconds
the current set point
The value on the display will increase
def
2
Press or
or decrease
aux
The controller will show the temp.read by
3 Press Set
the probes again
Another way of changing the set point is to set parameter "St" (see the tables below)
Connection diagram
R3 R4
POWER
SUPPLY
R1 R2
L N
1 2a 2b
115/230 V~
N L
50mA~ max PROBES
Default value
-14 °C
2 °C
6 hours
4 °C
4 °C
2 min
-
-
-50 °C
30 °C
30 min
0
5 °C
2 min
N
L
POWER
SUPPLY
L N
1 2 1 2
115/230 V~
50mA~ max PROBES DI DI
Default value
-14 °C
2 °C
-
-
-
8 hours
4 °C
4 °C
30 min
30 min
2 min
1 hour
-
-
0 °C
0 °C
120 min
5 °C
1 min
Normal operation
Startup
Flashing
compress. call
fan call
defrost call
anti-sweat heater
function active
alarms in norm.
operation (e.g. high/low
temp.) or immediate or
delayed ext. alarm from
digital input
ON if Real-
clock alarm Time Clock
present
anti-sweat heater
function active
malfunction (e.g.
EEPROM error or faulty
probes)
HACCP alarm saved
function called
Start-up: if pressed Automatic address as-
for more than 5 s at signment: if pressed
start-up activates the for more than 1 s
RESET procedure enters the automatic
serial address assign-
ment procedure
Meaning
This the currently active control
set point
Set the desired value
The set point is modifi ed and
saved