Carel IR32C Manual Download Page 52

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Cod. +030220151 - Rel. 2.1 - 04/09/98

CODE NUMBERS FOR ORDERING CONTROLS AND

ACCESSORIES

NTC Sensors

Description

Operating range

Index of protection

Code

NTC, bulb 6x15mm

-50÷50°C

IP67

NTC0**HP00

NTC, bulb 6x40mm

-50÷100°C

IP67

NTC0**W*00

NTC for insertion

-50÷110°C

IP67

NTCINF0600

NTC for wall mounting

-10÷70°C

IP30

ASWT011000

NTC for duct mounting

-10÷70°C

IP55 (*)

ASDT011000

NTC for wall mounting
(tempe humidity)

0÷50°C / 10÷90% rH

IP30

ASWC111000

NTC for duct mounting
(tempe humidity)

0÷50°C / 10÷90% rH

IP55 (*)

ASDC111000

(*) the index of protection above mentioned refers to the case: IP40 refers to the sensor.

PTC Sensors

Description

Operating range

Index of protection

Code

PTC, bulb 6x40, 1,5m

150°C

IP65

PTC0150000

PTC, bulb 6X40, 1,5m

-50

100°C

IP67

PTC015W000

PTC, bulb 6x180, 6m

-50

100°C

IP67

PTC060WA00

PANEL MOUNTING THERMOMETER

Thermometer

IR32M: 2½ digits, NTC, 12-24Vac/dc

IR32M0L000

Panel mounting thermostats with defrost timer

IR32S: 2½digits, 12-24Vac/dc

IR32S0L000

IR32S: 2½digits, 12-24Vac/dc, for remote control, with buzzer

IR32S0LBR0

IR32S: 2½digits, 24-240Vac/dc

IR32S0U000

IR32S: 2½digits, 24-240Vac/dc, for remote control, with buzzer

IR32S0UBR0

IR32S: 2½digits, 110-240Vac/dc

IR32S0H000

IR32S: 2½digits, 110-240Vac/dc, for remote control, with buzzer

IR32S0HBR0

Panel mounting thermostats and defrost controls for static units at low temperature

IR32Y: 2½digits, 12-24Vac/dc

IR32Y0L000

IR32Y: 2½digits, 12-24Vac/dc, for remote control

IR32Y0LBR0

Panel mounting thermostats and defrost controls for ventilated units at low temperature

IR32C: 2½digits, 12-24Vac/dc

IR32C0L000

IR32C: 2½digits, 12-24Vac/dc

IR32C0LBR0

IR32P: 2½digits (¹)

IR32P0L000

IR32P: 2½digits, for remote control (¹)

IR32P0LBR0

(¹) IR32P: must be used with S90RDPW200 (24-240 supply voltage, 3 relays, 4 Din modules casing) or
S90OEM4PWR (24-240 supply voltage, 4 relays, PC board) connected by S90CONN000/1/2.

Options

Alarm buzzer

IR32***B**

IR receiver

IR32***B**

IR32 serial output board

IR32SER000

Summary of Contents for IR32C

Page 1: ...ers for the temperature regulation 18 c parameters for the compressor management 19 d parameters for the defrost management 21 A parameters for the alarm control 24 F parameters for controlling evapor...

Page 2: ...frost You can select the time interval between successive defrost cycles as well as their duration Defrosting will be stopped when the defrost end temperature is reached it is necessary to connect a d...

Page 3: ...flash in case of external problems relative to the output see Multifunction input or during active current procedures Buzzer All controllers come complete with an alarm buzzer upon request Remote con...

Page 4: ...rial of the keypad ensure a very high protection index IP65 All controllers come complete with a flat gasket that contributes to increase the protection index of the panel housing the controller Faste...

Page 5: ...e the decimal part of the degree by modifying the value of the 6 parameter The display will show one of the following values codes depending on the function being performed normal functioning value me...

Page 6: ...onds together with the button no 9 allows you to enter the C parameters section Configuration if pressed when turning ON the instrument activates the RESET procedure displays and or selects the SET PO...

Page 7: ...efrost duration 30 minutes and 8 hour intervals between successive defrost cycles The temperature displayed during the defrost cycle will be that acquired before the beginning of the cycle At the end...

Page 8: ...r sharing routes with power leads As defrost sensors use only guaranteed IP67 sensors place the sensors with the bulb upright in a position to assist drainage of any condensation which may occur Note...

Page 9: ...r important parameters For all the models As indicated above all Infrared instruments have been programmed to detect both the high and the low temperature alarm In the event of abnormal conditions the...

Page 10: ...dI Time interval between defrost cycles defrost cycles occur periodically depending on the time intervals hours set through the dl parameter When the time interval is 0 dl 0 the defrosting cycle is ne...

Page 11: ...word appears confirm pressing the display shows the code of the first modifiable parameter that is C How to modify the parameters Modifying parameters after having displayed the first parameter either...

Page 12: ...uirements Also the 0 parameter will be displayed thus allowing you to select the type of sensor you want to use NTC or PTC Important after the RESET procedure the values of each single parameter will...

Page 13: ...5V alkaline batteries type UM 4 AAA IEC R03 Case plastic Dimensions 60x160x18mm Storage 25 70 C Operating temperature 0 50 C Transmission Infrared Weight 80g without batteries Keypad description On th...

Page 14: ...rameter 1 goes to the next parameter 2 increases the displayed data parameters selection phase AUX activates deactivates the auxiliary output 1 goes to the previous parameter 2 decreases the displayed...

Page 15: ...press PRG to exit and memorize all modifications press CANCEL to exit without memorizing the previous modifications do not press any button for at least 60 seconds TIME OUT In this way the previous mo...

Page 16: ...hich intentionally complicates access to Configuration parameters in order to prevent accidental changes or any that might be made by unauthorised persons Type C parameters are in fact those which alt...

Page 17: ...cal values 4 3 2 1 0 1 2 3 30 25 20 15 10 5 0 5 10 15 20 25 30 Variation of Carel NTC probe Variation of PTC 985 Ohm probe at 25 C It is nevertheless possible to use Infrared equipment with PTC sensor...

Page 18: ...ensors IR32M IR32Y IR32C IDRDC and IR32P this parameter allows a choice as to whether temperature is regulated by reference to one sensor alone P1 on the IR32M or by reference to a weighted average of...

Page 19: ...value that can be given to the setpoint Using this parameter prevents the user from fixing a setpoint lower than the value assigned to r1 Default 40 Available on IR32S IRDRSE S0 IR32Y IR32P IR32C and...

Page 20: ...less than six minutes the compressor will not start up In the case of installations with more than one compressor the parameter A0 can also be used to avoid simultaneous start ups of several compress...

Page 21: ...s during this phase After this periodic operation commences according to the operating time set under c4 If the sensor defect alarm is signalled while the equipment is defrosting or in continuous cycl...

Page 22: ...ms are over ridden during defrosting Default 8 hours Available on IR32S IRDRSE S0 IR32Y IR32P IR32C and IRDRC Parameter with direct access from remote control dt SETPOINT for temperature at end of def...

Page 23: ...tion digital input see parameter A4 Defrosting will be activated when the timer contacts close Where several units are connected to the same timer we suggest to use the parameter d5 to delay the vario...

Page 24: ...is fitted When the parameter d has been selected pressing will not allow the value to be changed but the value registered by the defrost sensor can be read Available on IR32Y IR32P IR32C and IRDRC Pa...

Page 25: ...int i e the requested operating temperature that is permitted The low temperature alarm is given as follows Low temperature alarm setpoint value of AL A0 Note that changing the setpoint automatically...

Page 26: ...y signal see alarm A1 sound the buzzer if so designed and initiates the following actions compressor functions according to values under parameter A6 blocking compressor by external alarm fans continu...

Page 27: ...ith these installations it is necessary to defrost an island at a time so at anyone moment some islands will be empowered to defrost and others inhibited Another use for this function is to inhibit de...

Page 28: ...0 0 Note T refers to the IR32S version when used in thermostatic operation i e with parameter H1 0 X refers to the IR32Y version with time defrost as well as temperature i e with parameter H1 0 A5 Th...

Page 29: ...apter Notes for the new release to a more detailed description of this parameter functionalities effective for the instrument with serial number greater than 100 000 F1 Fan cut out temperature operati...

Page 30: ...defrosting thus avoiding forcing warm air into the interior of the refrigerator Where the fan controller is in command it is not necessary to select a time for Fd as the controller starts the fans wh...

Page 31: ...y output for lighting anti mist fan or other on off function or as an alarm output In the first case auxiliary output it is possible to start and stop the item connected by pressing button If the rela...

Page 32: ...on the rt interval F 50 90 C F These functions are now available on the IR32M model which in addition to the insertion of the Ad delay allows on the version with the infrared receiver the modification...

Page 33: ...cording to the absolute temperature of the evaporator The F3 parameter is now fully operative Description of the new parameters Type Min Max U M Def F0 Management of fans 0 fans always ON specific pha...

Page 34: ...t open alarm active 2 external alarm with delay Contact open alarm active Delay see parameter A7 3 enabling of defrost Contact open defrost not enabled 4 start of defrost Defrost is activated when the...

Page 35: ...diagram for multiple units 4 5 TRF IR32 4 5 IR32 4 5 IR32 TRF TRF INS 4 5 IR32 TRF TRF INS MAIN SER MAIN mains power supply TRF transformer INS TRF insulating transformer earth SER multiple connectio...

Page 36: ...Cod 030220151 Rel 2 1 04 09 98 35...

Page 37: ...Cod 030220151 Rel 2 1 04 09 98 36...

Page 38: ...Cod 030220151 Rel 2 1 04 09 98 37...

Page 39: ...tors temperature operating set differential etc General remarks made earlier on the state of LEDs should be borne in mind SEQUENCE OF MAIN PHASES For easy reference we give below a diagram showing the...

Page 40: ...rm ALL EA EE Eb inactive data memorisation error ALL Ed inactive defrost end by time out IR32Y IR32C iRDRC IR32P dF inactive defrost in progress ALL Description of the main alarm signals FLASHING LED...

Page 41: ...ipment is carrying out a defrost Appears only if parameter d6 0 Note The following pages list some other incorrect operating situations model by model The most likely causes and corrective action are...

Page 42: ...o short dp interval between defrosting dl 0 in this case defrost will not be activated parameter dP and dl manual defrost not activated and defrost LED flashing compressor protection delays operating...

Page 43: ...if H1 1 end defrost temperature is too low Suggest checking defrost sensor and temperature reading on evaporator parameter d parameter dt and d defrost sensor manual defrost not activated and defrost...

Page 44: ...erature alarm given after defrosting alarm delay after defrost too short or alarm threshold too low parameters d8 and AH after changing a value or programming continues to work with old values unit ha...

Page 45: ...defrosting NTC Carel 10 K a 25 C standard ON PTC 985 Ohms a 25 C upon request Range of operation 40 90 C 40 130 C with PTC Operating conditions 0 60 C with relative humidity less than 80 rH 0 50 C mo...

Page 46: ...s across insulating parts Long Environmental pollution Normal Heat and fire resistance category D Category surge immunity 1 Software class and structure Class A EN60730 1 Time constant 35 s in forced...

Page 47: ...0 c2 Minimum compressor off time C 0 15 min 0 c3 Minimum compressor on time C 0 15 min 0 c4 Duty setting compressor safety 0 OFF 100 ON C 0 100 min 0 cc Duration of continuos cycle C 0 15 hrs 4 c6 Al...

Page 48: ...Duty setting for external alarm 0 OFF 100 ON C 0 100 min 0 A7 External alarm delay A4 2 Multi function input C 0 199 min 0 FAN PARAMETERS Type Min Max Unit Def New F0 Fans under fan regulator 0 no 1...

Page 49: ...in the table In view of the variation shown by thermistors three resistance values are given in the table for each temperature Rstd the typical resistance value at the temperature indicated Rmin is th...

Page 50: ...ence impulses of electromagnetic origin the unit may reveal errors in its internal memorisation of data These errors can affect the correct operation of the unit If the microprocessor identifies an er...

Page 51: ...Cod 030220151 Rel 2 1 04 09 98 50 IR32 DIMENSIONS IR32M IR32S IR32P IR32Y IR32C A 75 75 B 33 33 C 64 72 D 64 64 IRDR and S90RDPW2 S90OEM4PWR IR32...

Page 52: ...Vac dc IR32M0L000 Panel mounting thermostats with defrost timer IR32S 2 digits 12 24Vac dc IR32S0L000 IR32S 2 digits 12 24Vac dc for remote control with buzzer IR32S0LBR0 IR32S 2 digits 24 240Vac dc I...

Page 53: ...low temperature IRDRC0 2 digits 12 24Vac dc buzzer optional serial interface 2 digital inputs 4 relay outputs for remote control IRDRC00000 Options Serial output board for IR Din Rail and IR96 IRDRSE...

Page 54: ...e ambient sensor during an interval which can reach up to 199 hours more than 8 days In any moment it is possible to restart the logging period by pushing a button Refer to parameters rt rH rL next pa...

Page 55: ...revious state the digital input can be programmed as remote ON OFF In this case the ON OFF button on the front panel is disabled Refer to parameters A4 A5 c2 next pages N O and N C alarm relay On Ir96...

Page 56: ...250V Alarm output SPDT relay max switching capacity 8A 250V Kind of environmental pollution normal Frontal protection index IP54 Important warning the cables to be connected to the controller contact...

Page 57: ...see section alarms and signalling if pressed for more than 5 seconds allows access to the frequent parameters selection menu if pressed for more than 5 seconds together with the sel button allows acc...

Page 58: ...or more than 5 seconds to force a defrosting cycle which will be activated only if the conditions are favourable for example the defrost sensor should be lower than the selected defrost end temperatur...

Page 59: ...ed 4 confirm by pressing 5 the display shows the code of the first parameter to be modified To modify the parameters see the following section parameters modification Parameters Modification To modify...

Page 60: ...perature read in the rt interval F 50 90 C F c COMPRESSOR PARAMETERS c0 Compressor start up delay after unit start up C 0 15 min 0 c1 Minimum interval between two compressor start up C 0 15 min 0 c2 M...

Page 61: ...t on specific phases see parameters F2 F3 and Fd 1 fans controlled by a thermostat according to the difference between ambient temp and evap temp 2 fans controlled by a thermostat according to the eva...

Page 62: ...en effected Dig In1 if A4 5 or Dig In2 if A5 5 see wiring diagram If H1 1 the fourth relay becomes an alarm output The relay is normally de energised and on alarm condition the contact will close If H...

Page 63: ...A0 Check parameters AL Ad and A0 The alarm will cease as soon as the temperature returns within the limits selected HI FLASHING high temperature alarm temperature higher than SET AH A0 Check paramete...

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