Honeywell ELECTRONIC REFRIGERATION CONTROL PCR-300 RC user manual

User manual for the device Honeywell ELECTRONIC REFRIGERATION CONTROL PCR-300 RC

Device: Honeywell ELECTRONIC REFRIGERATION CONTROL PCR-300 RC
Category: Refrigerator
Manufacturer: Honeywell
Size: 0.63 MB
Added : 10/24/2013
Number of pages: 20
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Summaries

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Abstracts of contents
Summary of the content on the page No. 1

PCR-300
PCR-300 RC
Installation and Operating
Instructions
Electronic refrigeration control
EB-PCR-04 EN1H-1924GE23 R1207

Summary of the content on the page No. 2

TABLE OF CONTENTS 11 Unpacking the unit and conditions of use 3 12 General instructions 3 13 Use and function 3 3.1 Use for the purpose intended 3 3.2 Function 4 14 Safety 4 4.1 Sources of danger 4 4.2 Safety precautions 5 15 Installation and commissioning 5 5.1 Mechanical installation 5 5.2 Electrical installation 6 5.3 Setting the DIP switch for the emergency setpoint and clock back-up battery 8 16 Operating of the controller 9 6.1 Switching on the operating voltage 9 6.2 Display 9 6.3 Key fu

Summary of the content on the page No. 3

1 Unpacking the unit and conditions of use Before and when unpacking the unit, make a visual inspection to identify any possible damage which may have occurred during transportation. Please look for loose parts, dents, scratches, etc. Report any damage immediately to the freight company. (Please see “Conditions if damage has occurred”.) In other cases, the latest edition of the “General conditions for the supply of goods and services” issued by the ZVEI (German Central Association for the Electr

Summary of the content on the page No. 4

I The controller must not be used as a safety cut-out device or excess temperature limiter. If the controller is used for purposes other than those stated here, it shall not be considered to be use for the purpose intended. I Only connect sensors supplied with the unit. If a replacement sen- sor is required, only use sensors of the same type (part no. H61007). I The controller is not intended for use in vehicles because the possible operating voltage ranges, interference level and environmental

Summary of the content on the page No. 5

I Never expose the unit to excessive heat, dust and vibrations. Avoid knocks and pressure loads. If the housing is damaged, there is a risk of an electric shock causing death or injury. I If the unit cannot be operated without the risk of danger, it must be taken out of service and precautions taken so that it cannot be switched on again unintentionally. This applies, in particular, if: u The housing has damage which is visible, u the unit is no longer operational or u it has been stored for a

Summary of the content on the page No. 6

a) housing with 2 mounting tabs: open out the lateral mounting tabs; clip the unit on the 35 mm rail and press tabs in again. b) housings with 1 mounting tab: put housing on the upper 35 mm rail. Clip the unit on the 35 mm rail, lower tab clips on the rail automatically. To remove the unit from the rail press in lower mounting tab with a screw driver, lift unit. I Mounting of sensor: I Use a cable clamp to secure sensor T1 in a suitable position. I Secure evaporator sensor T2 in the evaporato

Summary of the content on the page No. 7

Terminal: Description: 1 - 2 T1 = Cold store sensor 3 - 4 T2 = Evaporator sensor 10 - 12 Mains = Power supply 13 - 15 V = Compressor contactor (cooling) 17 - 18 Ev = Evaporator fan (contactor) 20 - 21 Alarm = Remote alarm indicator; indicator lamp or contactor (with RC-element) 23 - 24 Def = Defrost heating (contactor) or hot gas valve * The unit is equipped with an opto-decoupled electronic alarm output. Take note of the alarm output limit values. I Supply voltage: Max. 250 V AC. I Minimu

Summary of the content on the page No. 8

5.3 Setting the DIP switch for the emergency setpoint and the clock back-up battery Carefully lift the housing cover off the side, using your fingers. I Selection of the emergency setpoint for the cold store temperature: This will be activated if the data in the memory is lost and alarm AL1 is activated. This sets all program parameters to the preset value. The cold store temperature setpoint can be preset to +4 °C or –18 °C, as desired. This ensures that chilling systems with temperatures above

Summary of the content on the page No. 9

* Note: It takes approximately 24 hours for the battery to achieve its full back-up capacity. The battery will provide cover for a power failure of approximately 1 month. 6 Operation of the controller Front view of controller: 6.1 Switching on the operating voltage The controller is started by means of a control switch provided by the customer. The first time the controller is started, pre-programmed setting values are used which at later point can be adapted for individual requirements. If ala

Summary of the content on the page No. 10

Three spot indicators show the switching status of the relays during operation: Pos. 1: On : Compressor relay on. Off: Compressor relay off. Flashes: Compressor start-up delay E05 active. Pos. 2: On : Evaporator fan relay on. Off: Evaporator fan relay off. Pos. 3: On : Defrost relay on. Off: Defrost relay off. Flashes: Drain time E09 is running. 6.3 Key functions * Never operate the keys with sharp objects (screwdriver or similar). Display of setpoint Press and hold down key. temperature Clear

Summary of the content on the page No. 11

u Access the first programming level by pressing the and keys at the same time for 5 seconds. u Then use the and keys to access the parameters to be changed. u Access the second programming level by pressing the and and keys simultaneously for 5 seconds. I To exit from the programming levels and save the data, press the key after the last input parameter. If no key is pressed in either of the programming levels for 10 minutes, this mode will be exited without the data being saved. I Do not

Summary of the content on the page No. 12

If the set temperature difference E03 is negative, an alarm is given if it is too cold in the refrigerated area, e.g. E03 = –10 K, cold store setpoint = –18 °C alarm at –28 °C in refrigerated area. If the set temperature difference E03 is positive, the alarm is given if it is too warm in the refrigerated area, e.g. E03 = +10 K, cold store setpoint value = –18 °C alarm at –8 °C in the refrigerated area. Attention: any change of the cold store setpoint valve changes also the alarm temperat

Summary of the content on the page No. 13

6.7 Manual defrosting Press and hold down the key for 5 seconds. The manual defrosting process will be initiated. 7 Programming Access to the second programming level: I Press and hold down the , and keys at the same time for approx. 5 seconds (Display: E01 for PCR-300, E00 for PCR-300RC). I Use or key to select parameters. I Setting: Press and hold down the key. Adjust the setpoint value to the desired figure using the or key. I Do not display altered parameter data before saving the data, as

Summary of the content on the page No. 14

The time is entered in increments of 10 minutes in each case . Important: The times must be entered in ascending order. E03 Alarm temperature difference –50 K to + 50 K 20 K E04 Delay time – Alarm 0 to 99 mins. 10 mins. E05 Compressor start-up delay 0 to 15 mins. 5 mins. E06 Defrost type 1 or 2 1 1 = Electrical (compressor off) 2 = Hot gas (compressor on) E07 Defrost limit temperature 0 to 50 °C 8 °C E08 Defrost time limit 1 to 99 mins. 25 mins. E09 Drainage time, evaporator 0 to 99 mins. 3 mi

Summary of the content on the page No. 15

E15 Sensor calibration T1 –5 to +5 K 0 K (cold store) E16 Sensor calibration T2 –5 to +5 K 0 K (evaporator) E17 Operation of 0 = Relay de-energizes 2 compressor relay 1 = Relay is perma- if cold store sensor T1 nently engergized is defective 2 = Alternately ener- gized/de-ener- gized according to time set in E18 and E19. E18 “On” time at E17 1 to 99 mins. 15 mins. E19 “Off” time at E17 1 to 99 mins. 15 mins. To exit from the programming mode: Press the key after inputting the last level. 7.2

Summary of the content on the page No. 16

8 Maintenance The controller does not require any maintenance. It does not have any fuses so, if brief voltage spikes occur, the refrigeration system will not stop operating for a prolonged period. Once the disturbance has passed, the controller will automatically start up again. Cleaning the housing: Only a dry anti-static cloth may be used to wipe clean all plastic parts. Do not use water or cleaning agents containing solvents! 9 Alarm messages If an alarm occurs, the alarm output will be acti

Summary of the content on the page No. 17

Clearing alarm: Press the key. All alarm messages, with the exception of AL2, are also reset by switching off the operating voltage. AL2 can only be reset using the key. 10 Problem solving Fault Cause Remedy Evaporator fan does not Evaporator Refit switch on during sensor T2 has sensor. cooling when the fallen out of programmed setting the fins. of parameter E11 is set to position 3 (fan run-on). For PCR-300RC only: Back-up battery Switch on The real-time clock is switched off. back-up stop

Summary of the content on the page No. 18

12 Technical data Mains voltage/frequency 230 V AC ± 10% / 50/60 Hz Rated wattage 2.5 watts Display 3-digit, 7-segment, red LED, 14.2 mm Resolution 1 K Measuring range –55 to +50 °C Outputs 1 relay with changeover contact, 8 A, 230 V AC, resistive load, (cooling). 1 relay with N.O. contact, 8 A (5A PCR-300RC), 230 V AC, resistive load, (defrost heating). 1 relay with N.O. contact, 8 A (5A -PCR-300RC), 230 V AC, resistive load (fan control). Control response Two-step Alarm output Opto bidirec

Summary of the content on the page No. 19

EC Declaration of Conformity as defined in the EMC Directives 89/336/EEC and the EC Low Voltage Directives 73/23/EEC Product: FLICA, electronic coldstore control Model designation: PRC-300, PCR-300RC has been developed, designed and manufactured in accordance with the EC Standards listed above. The following harmonized Standards have been applied: EN 50081-1 (1991) Part 1 for the trades sector, emitted interference EN 50081-2 (1993) Part 1 for the industrial sector, emitted interference EN 500

Summary of the content on the page No. 20

Automation and Control Solutions Honeywell GmbH Hardhofweg • 74821 Mosbach / Germany Phone: +49 (0) 62 61 / 81-475 Fax: +49 (0) 62 61 / 81-461 E-Mail: Cooling.Mosbach@honeywell.com www.honeywell-cooling.com


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