Honeywell PCR-300 RC manuale d’uso

PCR -300 PCR -300 RC Installation and Oper ating Instructions Electronic refrigeration contr ol EB-PCR-04 EN 1H-1924GE23 R 1207[...]

2 T ABLE OF C ONTENTS 1 1 Unpac king t he unit and conditions of use 3 1 2 Gener al instructions 3 1 3 Use and function 3 3. 1 Use for the purpose int ended 3 3.2 Function 4 1 4 Safety 4 4. 1 Sources of danger 4 4.2 Safety precautions 5 1 5 Installation and commissioning 5 5. 1 Mechanical installation 5 5.2 Electrical installation 6 5.3 Setting the[...]

3 1 Un packing t he unit and conditions of use Before and when unpacking the unit, mak e a visual inspection to identify any possible damage which may ha ve occurred during transportation. Please look for loose par ts, dents, scratches, etc. Report any damage immediately to the freight company . (Please see “Conditions if damage has occurred”.)[...]

I The controller must not be used as a safety cut-out device or e xcess temper ature limiter . If the controller is used for purposes other t han 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 (p[...]

I Never e xpose the unit to ex cessive heat, dust and vibrations. A void knocks and pressure loads. If the housing is damaged, there is a risk of an electric shock causing death or injur y . I If the unit cannot be operat ed without the risk of dang er , it must be tak en out of ser vice and precautions taken so that it cannot be switched on again [...]

6 a) housing with 2 mounting tabs: open out the later al 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, lo wer tab clips on the rail aut omatically. T o remove the unit from the rail pr ess in lower mounting tab with a scr[...]

7 T erminal: Description: 1 - 2 T1 = Cold store sensor 3 - 4 T2 = Evapor ator sensor 1 0 - 1 2 Mains = Pow er supply 1 3 - 1 5 V = Compressor contactor (cooling) 1 7 - 18 Ev = Evapor ator fan (contactor) 20 - 2 1 Alarm = Remot e alarm indicator; indicat or lamp or contactor (with R C-element) 23 - 24 Def = Defrost heating (contactor) or hot gas v a[...]

8 5.3 Setting the DIP switc h for the emergency setpoint and t he clock bac k-up battery Carefully lif t the housing cover off the side, using your fingers. I Selection of the emergency setpoint for the cold store temper ature: This will be activat ed if the data in the memor y is los t and alarm AL1 is activat ed. This se ts all progr am paramet e[...]

☛ Note: It tak es approximately 2 4 hour s for the battery to achiev e its full back -up capacity . The battery will provide cov er for a power failure of appr oximat ely 1 month. 6 Operation of the controller Fr ont view of controller: 6. 1 Switching on t he operating v oltage The controller is star ted by means of a contr ol switch provided b y[...]

Three spot indicators show the switching status of the rela ys during operation: Pos. 1: On : Compr essor relay on. Of f: Compressor relay off. Flashes: Compressor star t-up delay E05 activ e. Pos. 2: On : Ev aporator f an relay on. Of f: Evapor ator fan rela y of f. Pos. 3: On : Defr ost relay on. Of f: Defrost relay off. Flashes: Drain time E09 i[...]

1 1 u Access the first programming le vel by pressing the and k eys at the same time for 5 seconds. u Then use the and k eys to access the paramet er s to be changed. u Access the second programming le vel by pressing the and and k eys simultaneously for 5 seconds. I T o exit from the progr amming levels and sav e the data, press the ke y af ter th[...]

If the set temper ature dif ference E03 is negativ e, an alarm is given if it is too cold in the refriger ated area, e.g. E03 = –1 0 K, cold s tore setpoint = –1 8 °C ➝ alarm at –28 °C in refrigerat ed area. If the set temper ature dif ference E03 is positiv e, the alarm is given if it is too w arm in the refrigerated area, e.g. E03 = +1 [...]

6.7 Manual defrosting Press and hold down the k ey for 5 seconds. The manual defrosting process will be initiated. 7 Progr amming Access to the second programming le vel: I Press and hold down the , and k eys at the same time for approx. 5 seconds (Display: E01 f or PCR -300, E00 for PCR-300RC). I Use or k ey to select paramet er s. I Setting: Pres[...]

1 4 The time is entered in increments of 1 0 minutes in each case . Impor tant : The times must be entered in ascending order . E03 Alarm temper ature dif ference –50 K to + 50 K 20 K E04 Delay time – Alarm 0 to 99 mins. 1 0 mins. E05 Compressor star t-up delay 0 to 1 5 mins. 5 mins. E06 Defrost type 1 or 2 1 1 = Electrical (compressor of f) 2 [...]

1 5 E1 5 Sensor calibration T1 –5 t o +5 K 0 K (cold store) E1 6 Sensor calibration T2 –5 t o +5 K 0 K (ev aporator) E1 7 Operation of 0 = Relay de-energizes 2 compressor relay 1 = Rela y is perma- if cold store sensor T1 nently engergized is defective 2 = Alternat ely ener- gized/de-ener- gized according to time set in E1 8 and E1 9. E1 8 “O[...]

1 6 8 Maintenance The controller does not require an y maintenance. It does not ha ve any fuses so, if brief voltage spik es occur , the refrigeration system will not stop operating f or a prolonged period. Once the disturbance has passed, the controller will automatically start up again. Cleaning the housing: Only a dr y anti-static cloth may be u[...]

Clearing alarm: Press the k ey . All alarm messages, with the exception of AL2, are also r eset by switching of f the operating v oltage. AL2 can only be reset using the ke y. 1 0 Pr oblem solving F ault Cause Remedy Evapor ator fan does not Evapor ator Refit switch on during sensor T2 has sensor . cooling when the fallen out of programmed setting [...]

1 8 1 2 T ec hnical data Mains voltage/frequency 230 V A C ± 10% / 50/60 Hz Rated w attage 2.5 w atts Display 3-digit, 7-segment, red LED, 1 4.2 mm Resolution 1 K Measuring range –55 to +50 °C Outputs 1 relay with changeo ver contact, 8 A, 230 V A C, resistive load, (cooling). 1 relay with N.O. contact, 8 A (5A PCR-300RC), 230 V A C, resistive [...]

1 9 EC Declar ation of Conformity as defined in the EMC Directives 89/336/EEC and the EC Low V oltage Directives 73/23/EEC Product : FLICA , electronic coldstore control Model designation: PRC-300, PCR-300RC has been dev eloped, designed and manufactured in accordance with the EC Standards listed abo ve. The f ollowing harmonized S tandards have be[...]

Automati on and Contro l Solution s 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 Manufactured for and on behalf of the Environment and Combustion Controls Division of Honeywell Technologies Sàrl, Ecublens, Route du Boi[...]