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µRack

Standard compressor racks single/two circuit

User manual

NO POWER

& SIGNAL

CABLES

TOGETHER

READ CAREFULLY IN THE TEXT!

All manuals and user guides at all-guides.com

all-guides.com

Содержание uRack

Страница 1: ...Rack Standard compressor racks single two circuit User manual NO POWER SIGNAL CABLES TOGETHER READ CAREFULLY IN THE TEXT All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 2: ...All manuals and user guides at all guides com...

Страница 3: ...nal circuits and mechanisms may be irreparably damaged Do not use corrosive chemicals solvents or aggressive detergents to clean the device Do not use the product for applications other than those spe...

Страница 4: ...All manuals and user guides at all guides com...

Страница 5: ...al device operation 22 6 2 Compressor hour counter and maintenance alarm 22 6 3 Set point variation from digital input 22 6 4 Type of refrigerant 22 6 5 Auxiliary probe management 22 6 6 Prevent high...

Страница 6: ...RODUCED IN FW RELEASE 2 0 FOR MRK0000XX0 41 21 APPENDIX CHANGES INTRODUCED IN FW RELEASE 2 1 42 22 APPENDICE MODIFICHE INTRODOTTE NELLA RELEASE FW 2 2 42 All manuals and user guides at all guides com...

Страница 7: ...etic compress ns max 4 ontrol ontrol of the value f parameter protec onfigure all the un onfigure the main modify the access l omes ready for pa d 10 02 12 isplay data in BAR with the same an racks wi...

Страница 8: ...dis eric value of a para value is displayed 5 sec to set the pa f parameters is dis eric value of a para ther controlled va 5 sec to select the parameters is dis eric value of a par value is displaye...

Страница 9: ...igh Temp Low Temp Probe not connected 1 On when the value read by the discharge probe is displayed 2 If flashing with the ALARM icon indicates the activation of discharge probe alarms High Temp Probe...

Страница 10: ...forms a LA m relay it the number of ompressors fan ol and then the fa rding to the numb essors not capa pacity controlled s managed using he compressors an alarm inputs are ing parameter 14 e controll...

Страница 11: ...igh low pressure switch fan thermal overload liquid level Unit On Off Voltage free contact Tab 3 b Digital outputs Input Description Type of device connected No1 C1 Compressor 1 fan Power contactor fo...

Страница 12: ...0 02 12 12 DIN rail installation Fig 3 b Rack Line L N Rack ext temp probe amb temp probe alarm 4 alarm 2 alarm 1 alarm 3 multifunction D I alarm P Line L N P FCSER00000 FCSER00000 TRADR1W04 24 V All...

Страница 13: ...ntia n ssor calls ensures pressors with alar abled is exclude n has been selecte et for the capaci ast to stop first ca rst to stop compressors so a e with the lowest l control is activate ed on vario...

Страница 14: ...ssible 1 Pressure equal to point b same call time as the maximum compressor on time 2 Pressure between point b and point b DTNZ type of call between Max on time and Min on time 3 Pressure greater than...

Страница 15: ...call a sequence with a higher capacity In the deactivation phase the opposite will occur while in the dead band no compressors will be started or stopped An increase in the requirement will correspond...

Страница 16: ...ctive n one compressor n the proportiona stay on that is o oating condenser SET Condenser Liquid re nd MT circuits a pted for the contro pact and offering l re switches and s owing conditions TY it an...

Страница 17: ...ty control and the following Minimum time between starts of the same compressor Sets the minimum time that must elapse between two starts of the same compressor This parameter limits the number of sta...

Страница 18: ...d DF a n of a dead band sured value excee psed outside of th the measured valu n this case too th ccording to the st rameter r20 is ai ns with active ala excluded from re et ig 5 b e pressure switch h...

Страница 19: ...ting Typical application cold rooms cold stores Parameter 13 default 0 independent control Inverter control Proportional band This control requires the inverter set point STPI to be set parameter r18...

Страница 20: ...onal control Proportional Integral control T s SP RP T s 10 Volt Min In T s RP SP T s 10 Volt Min In Fig 5 e Key RP Pressure read SP Set point T Time Min In Minimum inverter output value Dead band con...

Страница 21: ...triac to zero 3 Increase Max triac until the fan operates at a speed considered sufficient make sure that after having stopped it it starts rotating if left free 4 Copy this value to the Min triac pa...

Страница 22: ...e m reds of hours as t to check the num he tens of hours to reset each indiv hown by an alarm from digita ncrease or decrea point when the m er R34 n the installation managed Refrigeran R134a R290 R60...

Страница 23: ...t threshold any other compressor start calls are ignored for a set time called Prevent time 1 parameter A13 If between the start of two prevent cycles a time less than Prevent time 2 parameter A14 ela...

Страница 24: ...that have mal status ted the initial situ gn of alarm ON u l reset meter 29 fan the are detected thes olved the red LED evices remain disa ted the initial situ f the signal device mal status arms is s...

Страница 25: ...3 thermal overload DIN Fan 3 OFF Settable no A25 Fan 4 thermal overload DIN Fan 4 OFF Settable no A26 General fan thermal overload DIN Only signal alarm Preset electronically the fan stop during overl...

Страница 26: ...dd erial line must be esponding manua ories rd protected sho otected 22 modifiable by sword 44 modifiab rs password 77 m s in the memory ion from the keyp rect PWD MANUFA ectly accessing th ng SEL acc...

Страница 27: ...d 10 02 12 rs with the correspo RER meter n meter d below will be d t available The d Fig 10 a Display Descriptio 00 Set the typ 0 LT 1 MT 2 TWO CI Password S P and L P parameters L P visibility ondin...

Страница 28: ...umber of compressors ON with suction probe 2 fault R W C 08 If the suction 2 probe fault or not connected alarm is activated this number of compressors are started These are in any case managed by the...

Страница 29: ...layed only if the parameters are enabled 0 AUTO 1 MANUAL 0 1 1 Type of fan thermal overload alarm reset R W C 30 Type of thermal overload generic alarm reset relating to the individual fan Automatic w...

Страница 30: ...U r02 Compressor differential first circuit bar C 0 to 20 0 0 5 Compressor set point circuit 2 R W U r03 Compressor set point second circuit bar C r14 tor15 1 0 For two circuits only Compressor differ...

Страница 31: ...y R W I A02 Suction probe 1 alarm delay setting s 0 to 999 60 LP suction 1 alarm R W I A03 Suction probe 1 alarm low threshold setting bar 17 to A01 0 LP suction 1 delay R W I A04 Suction probe alarm...

Страница 32: ...NO 1 YES M11 Enable ope 0 NO 1 YES M12 Enable ope 0 NO 1 YES M13 Manually o 0 NO 1 YES M14 Manually o 0 NO 1 YES M15 Manually o 0 NO 1 YES M16 Manually o 0 NO 1 YES M17 Manually o 0 NO 1 YES board cod...

Страница 33: ...ote supe upervisor are show end from the Rac eceived and sent f B4 B1 B2 ambient air B3 outside air set point circuit 1 ntial circuit 1 set point circuit 2 ntial circuit 2 ction set point 1 ction set...

Страница 34: ...pressure for dead band by time r11 R W 44 Condensing temperature delta for floating control r33 R W 45 High temp threshold probe B2 A16 R W 46 High temp threshold probe B3 A17 Tab 14 a Digital variab...

Страница 35: ...4 Capacity of compressor 4 06 R 25 Inverter readout 11 R W 26 Multifunction DI configuration 15 R W 27 B1 type probe 16 Flow Index Description Alarm code R 1 Alarm compressor 1 A01 R 2 Alarm compresso...

Страница 36: ...r speed up time r ramp up time um inverter output um inverter output mpulse duration uction pressure 1 a ction pressure 1 al uction pressure 2 a ction pressure 2 al scharge pressure a essor thermal o...

Страница 37: ...en lectrical standard Closing current to g Maximum closing r 1 B2 B3 B4 CAR he response time 4 NTC temp pro Control signal for C Modulation of imp he configuration o oadless voltage 5 hort circuit cur...

Страница 38: ...ard for pe erial board for per ming key with 12 mming key with 23 Rack RS485 DIN No panel No DIN No panel No DIN No panel No DIN No panel No d 10 02 12 2x74 24 Vac with g 24 Vac with con g RS485 prein...

Страница 39: ...rs un 0431 rel 2 2 date ix Comp it with fan spe it 2 conden d 10 02 12 pressor r eed regulator ser fans rack cont 39 troller e Fig 17 a Fig 17 b C4 C3 C2 F2 F1 C2 examples 2 C1 2 C1 s of appli ication...

Страница 40: ...el 2 2 dated 10 02 12 40 3 compressors unit with 2 fan steps and speed regulator no alarm relay output Fig 17 c 2 compressors unit 3 condenser fans Fig 17 d F1 C3 C2 C1 F2 F1 C2 C1 All manuals and use...

Страница 41: ...chan e has been change lue has been chan lue has been chan e has been change lue has been chan e has been change lue has been chan e has been change from seconds to lue has been chan e has been change...

Страница 42: ...trings and calculation o rol w more than the difiche in to 2 2 set point has bee _Probe1_Alarm a o increase the pro steps is fixed 5 s n modified 14 d visible to supe acity controlled com capacity con...

Страница 43: ...All manuals and user guides at all guides com...

Страница 44: ...HQs Via dell Industria 11 35020 Brugine Padova Italy Tel 39 049 9716611 Fax 39 049 9716600 http www carel com e mail carel carel com Cod 03P220431 rack Rel 2 2 10 02 12 All manuals and user guides at...

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