PCR-100 PCR-110 Installation and Operating Instructions EB-PCR-02 EN1H-1925GE23 R0106 Electronic thermostat
TABLE OF CONTENTS 11 Unpacking the unit and conditions of use 3 12 General instructions 3 13 Use and function 3 3 4 3.1 Use for the purpose intended 3.2 Function 14 Safety 4 4 5 4.1 Sources of danger 4.2 Safety precautions 15 Installation and commissioning 5.1 Mechanical installation 5.2 Electrical installation 16 Operation of the controller 6.1 6.2 6.3 6.4 6.5 Switching on the operating voltage Display Key functions Adjusting the cold store temperature Manual defrost 17 Programming 7.
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”.
If the unit 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 sensor 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 operating exceed the limits for which the controller can be used.
I 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 long time in unfavourable conditions. The unit must not be opened.
I Snap – in housings: Fit the unit in an aperture 28,5 x 70,5 mm and secure it with the relevant mounting frame. a) housings with terminal box coverplate (max. wall thickness 22 mm) b) housings without terminal box cover plate (max. wall thickness 18 mm) for walls thicker than 10 mm: remove lateral plastic spacers from the mounting frame. For the final fixing of the unit the side screws have to be tightened carefully. I Use a cable clamp to secure sensor T1 in a suitable position. 5.
☛ Instructions: I For PCR-110 the total current via terminal 5 of the common relay connection must not exceed 10 A. I Pay attention to the contact loading of the relay (8A/5A resistive load, 2A/1A inductive load). As a general rule, contactors are recommended. I The maximum tested sensor cable length is 50 m, with a minimum cross section of 2 x 0.75 mm2. Solder the extension cable to the sensor cable to prevent contact resistances. I It is advisable to use shielded sensor extension cables.
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 a later point can be adapted for individual requirements. If alarm “AL 2” (temperature in refrigerated chamber too high or too low) is displayed when the controller is switched on, this can be cleared by pressing the key. 6.
I I I I I Input values are always changed using the or key with the key held down. Input parameters, e.g. the switching difference is shown as “E” with a 2-digit number, e.g. “E 01”. Access to the programming level is by pressing the and key at the same time for 5 seconds. The parameters to be changed can then be accessed by pressing the and keys. To exit from the programming level and save the data, press the key after the last input parameter.
7.1 Input parameters and input ranges: Parameter on display ( or ) Setting range ( and or ) Preset E00 Cold store temperature difference 1 to 20 K 2K E01 Min. permissible cold store temp. –55 °C to E02 –55 °C E02 Max. permissible cold store temp. E01 to +50 °C +50 °C E03 Delay time, relay energizing 0 to 15 mins. 5 mins. E04 Alarm temperature difference –50 K to +50 K 20 K If the set temperature difference E04 is negative, an alarm is given if it is too cold in the refrigerated area, e.g.
☛ If the time interval between two defrost cycles is changed when the system is in operation, the new time interval will not be applied until after the next time defrosting has occurred. E09 Defrost time (0 = no defrosting) 0 to 99 mins. 25 mins. E10 Max. display delay 0 to 99 mins. 15 mins. after defrosting ☛ During the defrosting process, the last current temperature before defrosting started is retained in the display.
If the measured temperature is higher than the one displayed, set the positive difference as the programming value (e.g. 2K). The temperature display is then corrected by the set value. 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.
10 Conditions of warranty I I I I Warranty is provided for a period of 24 months, starting at the date the item was delivered. Proof of this should be furnished in the form of a delivery note or invoice. All functional faults caused by poor workmanship or faulty materials will be repaired free of charge during the warranty period. More extensive claims, in particular for consequential damage, are excluded.
Control performance: Two-step Display accuracy: ± 0.5 K internal, ±1 digit, at 25 °C Operating conditions: 0 to 50 °C, 30 to 85 % R.H., excluding dew Storage temperature: –20 to +80 °C Data back-up: Non-volatile memory (EEPROM) Sensor: 1 PTC – Sensor cable length: 2.
EC Declaration of Conformity as defined in the EMC Directive 89/336/EEC and the EC Low Voltage Directive 73/23/EEC Product: Model designation: FLICA, Electronic thermostat PRC-100, PCR-110 has been developed, designed and manufactured in accordance with the EC Standards listed above.
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.
