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230/1/50   400/3/50

SPLIT-AIR

A/C  UNITS

Index 39

Edition 2.04

PRECISION  A/C  UNITS

AIR  CONDITIONING

OPERATING INSTRUCTIONS

Содержание Split-Air CST 40

Страница 1: ...230 1 50 400 3 50 SPLIT AIR A C UNITS Index 39 Edition 2 04 PRECISION A C UNITS AIR CONDITIONING OPERATING INSTRUCTIONS...

Страница 2: ...E 0204 39 2...

Страница 3: ...chanical Parts 25 9 Cooling Components 26 10 Motors 27 11 Control Monitoring and Safety Components 27 12 Installation 45 13 Electrical Connections 52 14 Start up 55 15 First Checks after starting the...

Страница 4: ...l available options are now described Beyond this some options have been changed substantially GRxxSOP this option previously GRxxS now includes an overpressure damper which is fixed at the exhaust ai...

Страница 5: ...plate by contacting your local STULZ partner CURRENT TECHNOLOGY This manual reflects the state of the art existing at the time the product is marketed and shall not be deemed to be inadequate for the...

Страница 6: ...2 Number Type Air flow External static pressure EER index type 2 Outside operating limit temp min max Shelter operating limit temp min max Duty cycle Outdoor unit Noise level Weight Height Width Dept...

Страница 7: ...e 2 Number Type Air flow External static pressure EER index type 2 Outside operating limit temp min max Shelter operating limit temp min max Duty cycle Outdoor unit Noise level Weight Height Width Dep...

Страница 8: ...ion Operating current OA Locked rotor current LRA Evaporator Fan Power consumption Operating current OA Locked rotor current LRA Ambient temp 35 C Inside cabinet temp 25 C RH 40 Type 1 with free cooli...

Страница 9: ...t OA Locked rotor current LRA Evaporator Fan Power consumption Operating current OA Locked rotor current LRA Indoor UnitType 2 Power consumption Operating current OA Locked rotor current LRA Evaporato...

Страница 10: ...E 0204 39 10 A B A C B C Dimensions Inside Unit CST 40 50 without free cooling 15 320 310 800 856 800 54 5 15 320 80 80...

Страница 11: ...E 0204 39 11 A A C B B C Dimensions Inside Unit CST 40 50 with free cooling center point 310 800 856 1050 54 5 15 15 320 320 45 45 320 650 255 78 38 23 32 363 159 5...

Страница 12: ...E 0204 39 12 A B A C B C Dimensions Inside Unit CST 60 80 without free cooling 375 900 956 1000 54 5 15 396 15 396 104 104...

Страница 13: ...E 0204 39 13 A A C B B C Dimensions Inside Unit CST 60 80 with free cooling center point 375 900 956 1300 54 5 15 15 390 390 65 65 390 795 308 78 27 24 43 424 5 197...

Страница 14: ...E 0204 39 14 A B C B C A Dimensions Outside Unit CST 40 50 400 800 350 580 54 5...

Страница 15: ...E 0204 39 15 A B C B C A 54 5 Dimensions Outside Unit CST 60 80 450 950 400 640...

Страница 16: ...ck that it does not contain documents or parts of the machine Any damage that is encountered must be notified to the carrier by registered letter within 8 days of receipt The carrier is responsible fo...

Страница 17: ...placed on the market and date of commencement of warranty Voltage to be supplied to the unit Working voltage of the auxiliary circuits if different from the voltage rating Voltage phase Voltage freque...

Страница 18: ...ere the air in the environment and the air in the cabinet are treated without coming into contact with each other during cooling mode The system operates as follows The compressor compresses the refri...

Страница 19: ...ir inside the shelter is always assured This circulation of air is combined with free cooling mode when the necessary conditions to enable this operation mode are respected Versions with 48VDC standar...

Страница 20: ...E 0204 39 20 Airflow Inside Unit CST without Free Cooling Refrigerant connections Evaporator fan Filter Evaporator Horizontal Installation Vertical Installation E box...

Страница 21: ...9 21 Airflow Inside Unit CST with Free Cooling Compressor Operation Horizontal Installation Vertical Installation Damper Outside Outside Outside Refrigerant connections Evaporator fan Filter E box Eva...

Страница 22: ...22 Airflow Inside Unit CST with Free Cooling Free Cooling Operation Refrigerant connections Evaporator fan Evaporator Horizontal Installation Vertical Installation Damper Outside Outside Outside Filt...

Страница 23: ...E 0204 39 23 Airflow Outside Unit CST Refrigerant connections Condenser fan Condenser Compressor...

Страница 24: ...on the inside or the outside then the equipment must be thoroughly checked before starting the unit and if necessary STULZ s technical department should be contacted Machine connections and the main e...

Страница 25: ...of a thickness of 10 mm which consists of polyurethane foam based on open cell polyester fire tested according to FMVSS motor vehicle safety std 302 8 2 AIR FILTER EU3 class It is designed to prevent...

Страница 26: ...spirals positioned one inside the other One spiral is fixed while the other performs orbital motion which aspirates and compresses the gas 9 3 CONDENSER This part allows the release of the heat of the...

Страница 27: ...adjustments or interventions If for specific reasons it becomes necessary to perform modifications on the settings of automatic device this task must only be performed subsequent to notification to t...

Страница 28: ...all installation with expansion steam humidity sensor It should be installed in the room to be conditioned with a sufficient distance to the supply air outlet so as to measure an average temperature I...

Страница 29: ...e optionally linked to a supervisory telemaintenance system via serial line The C1010 controller is housed in the A C unit itself and can control only 1 A C unit The controller can be connected to a l...

Страница 30: ...ure M01 1 for unit 1 M01 is the unit adress for sequencing Configure M02 2 M02 is the number of units in sequencing Configure M03 2 M03 is the number of units which can be ON parallel Press 2x ESC to...

Страница 31: ...eed according to description for two units Configure M05 1 or 2 for all units Configure M01 1 for first unit 2 for 2nd unit 3 for 3rd unit 4 for 4th unit 5 for 5th unit Configure M02 3 or 4 or 5 if yo...

Страница 32: ...X15 pin 1 2 X15 pin 3 4 X16 pin 1 2 X16 pin 3 4 Silk screen DI 1 DI 2 DI 3 DI 4 DI 5 Terminal minifit 2 of 4x2 2 of 4x2 2 of 4x2 2 of 4x2 2 of 4x2 2 of 4x2 2 of 4x2 2 of 4x2 2 of 2x2 2 of 2x2 2 of 2x...

Страница 33: ...m Common alarm not used Logic ID R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 Terminal minifit 1 of 2x2 1 of 2x2 1 of 2x2 1 of 2x2 1 of 2x2 1 of 2x2 1 of 2x2 1 of 2x2 2 of 12x2 2 of 12x2 2 of 12x2 2 of...

Страница 34: ...rminal number 1 of 2x2 1 of 2x2 1 of 2x2 1 of 2x2 Logic ID 1 V 1 V 1 OUT 1 IN Description Evaporator fan 1 V supply 5A flow Evaporator fan 1 V supply 5A flow Evaporator fan 1 PWM signal 450 Hz Evapora...

Страница 35: ...ressor heating element Unit 1 SET2 SET1 SET2 SET1 Conditioner 1 operates with setting at 25 C between 27 5 C and 25 C Heating elements operate with setting at 15 C between 12 5 C and 15 C Conditioner...

Страница 36: ...mpressor heating element Unit 2 SET2 SET1 SET2 SET1 Conditioner 1 operates with setting at 25 C between 32 C and 29 5 C Heating elements operate with setting at 15 C between 12 5 C and 15 C Conditione...

Страница 37: ...e cooling SET only with LAN connection of both units With setting at 25 C free cooling of unit 1 operates in the proportional range between 25 C and 28 75 C Free cooling unit 2 operates with setting a...

Страница 38: ...ing the air flow with constant heat rejection brings air down to the dew point Therefore humidity in the air condenses and deposits on the evaporator surface When the surface temperature of the evapor...

Страница 39: ...ultaneous compressor operation An electric reheat is additionally operated if the temperature difference to the cooling set point exceeds a certain value below the set point Stop value Dehumidificatio...

Страница 40: ...can move through the various parameters modifiable inside the USER SET UP menu The procedure to modify all these parameters is the same As an example in the following you can find the procedure to mo...

Страница 41: ...nt for the temperature control managed by the compressor Set point for the temperature control managed by the heating resistor Setpoint of temperature associated to the control of second heater Humidi...

Страница 42: ...delay humid temper Intrusion vibration alarm delay Language selection Setting clock Hour Setting clock Minute Setting clock Day Setting clock Month Setting clock Year Set point for the low humidity a...

Страница 43: ...Press Menu to choose the menu Press 2x Arrow Up key to go to I O Menu press SET Type in the password with Arrow up down keys press SET to confirm Use arrow up down keys to go to the following menu po...

Страница 44: ...3 1 opens when the differential pressure increases to the adjusted value Simultaneously contact 3 2 closes the signal is transmitted by this contact 11 11 MECHANICAL HYGROSTAT only in units controlle...

Страница 45: ...for all the models Therefore in case of free cooling to connect the fresh air intake of the indoor unit to the opening on the shelter wall air ducts are required These ducts are offered as option see...

Страница 46: ...s option includes a pair of shelves of galvanised steel with standard RAL7032 orange peel painting and anti vibration supports NOTE the screw anchors included in the kit are suitable to fix the shelve...

Страница 47: ...ient and problems of oil transport occur In the table above you can see in which cases this problems occurs In this case the following measures have to be carried out All the horizontal piping section...

Страница 48: ...tity of the same refrigerant must be added according to table 2 below if the distance is more than 5 m In this table d distance measured in meter 5m TABLE 2 Additional charge of R407c refrigerant for...

Страница 49: ...r from heat sources if this is not possible it has to be insulated 6 If the condensing unit is placed above the evaporating unit the last segment of the intake pipe insulated pipe must lean towards th...

Страница 50: ...be insulated in this area so that the pipes are not attacked by the masonry and a certain flexibility is retained 10 Make sure that all refrigerant pipes are perfectly clean and dry inside 11 Connect...

Страница 51: ...heating C 8 12 NOTE values applying with condensation T 50 C OIL CHARGE The compressor is supplied with an initial oil charge The standard oil charge for the use of the refrigerants R407c and R134a is...

Страница 52: ...all an omni pole automatic switch curve type C eventually complete of another differential switch Alternatively besides the isolating omni pole switch install a safety fuse retarded aM type On the DC...

Страница 53: ...n additional hole to the condensing unit into a hole on its rear side Then the cable must be connected to the electrical panel of condensing unit as shown in the electrical diagrams NOTE provide prope...

Страница 54: ...8 not used Main power supply Emergency power supply with units type 1 C1010 controller Master Slave Connector Remote Panel Connector Pin Description C1 1 5 Air flow alarm 2 6 High pressure alarm 3 7 L...

Страница 55: ...the start up please fill up the Start up form supplied with each unit and send a copy of it to the address which is specified on the form NOTE the start up can only be made by personnel trained by St...

Страница 56: ...A Space required for maintenance vertical application without free cooling vertical application with free cooling 1 option DVIN for vertical application Indoor unit A min 200mm C min 1000mm B min 500m...

Страница 57: ...rizontal application with and without free cooling Outdoor unit A free space of 250 mm between wall and outdoor unit must be maintained at any time A min 200 mm B 200 mm C 300 mm D 300 mm A 200 mm B 5...

Страница 58: ...he MTBF of the most critical components in the following table COMPRESSOR 30 000 operating hours CONDENSER FAN 35 000 operating hours EVAPORATOR FAN 40 000 operating hours MECHANICALTHERMOSTAT 100 000...

Страница 59: ...top of the right panel near the rear side Then pull the damper towards the front side and draw it down Then unscrew the motor and replace it The inner parts of the evaporating unit must be cleaned wi...

Страница 60: ...of a pair of shelves made of zinc plated steel sheet with plastic coating In this kit are present also the necessary screw anchors to fix the shelves to the shelter wall suitable only to concrete or b...

Страница 61: ...t When switched off it interrupts power supply to the unit circuits from it downstream According to the indications on chapter 13 a main switch must always be installed upstream from the unit in order...

Страница 62: ...application Another opening is necessary for exhaust air discharge during free cooling Minimum sections of this opening are 0 15 m2 for Split Air CST40 50 0 24 m2 for Split Air CST60 80 On this openin...

Страница 63: ...mm If a higher distance is required the option DHINRO is the only suitable see next paragraph Dimensions of the opening on the cabinet wall for fresh air intake are Width 650 mm Height 220 mm for Spli...

Страница 64: ...ens correct operation and performance of the unit are not assured 1 wall cut out CST 40 50 CST 60 80 500 x 300 mm 800 x 300 mm 2 grille with overpressure damper 3 wall cut out CST 40 50 CST 60 80 650...

Страница 65: ...a minimum of 200mm to a maximum of 2000mm Diameter of these ducts is 200 mm for CST40 50 250 mm for CST60 80 Dimensions of the opening on the cabinet wall for fresh air intake are Width 650 mm Height...

Страница 66: ...ce of the unit are not assured 1 wall cut out CST 40 50 CST 60 80 500 x 300 mm 800 x 300 mm 2 grille with overpressure damper 3 wall cut out CST 40 50 CST 60 80 650 x 220 mm 770 x 270 mm 4 grille 5 wa...

Страница 67: ...with its own key pad When two or more units are connected together in sequencing only one key pad can be connected to the master unit With this configuration the key pad can display the data from all...

Страница 68: ...y Only for 3 phase scroll compressors PSCR protects them from turning in the wrong direction If not ordered please refer to the instruction on Chapter 13 for correct connection of this kind of compres...

Страница 69: ...E 0204 39 69 27 x 0 34 mm SIGNAL CABLE 3m SIGC3 SEQUENCING CABLE 2m SEQC2 RJ11 connector 4 conductors...

Страница 70: ...TMC With units controlled by C1010 high temperature alarm is already included in microprocessor functions This alarm can be available also in case of mechanically controlled units adding TMC option It...

Страница 71: ...must never be blocked Slippery areas that could be a potential risk for persons must be covered with anti slip materials Proper tools and suitable procedures must be used for every specific activity T...

Страница 72: ...its can cause burns shock unconsciousness or even death for the persons involved This problem can be caused by poor understanding of the dangers inherent to use of electrical device s Damage to the hu...

Страница 73: ...is clean an dry inspect work tools These must be suited for the job to be done and be in good condition in order to permit safe maintenance measuring instruments must be periodically calibrated check...

Страница 74: ...ficial respiration avoid brazing or welding in the presence of refrigerant vapours do not place gas heating equipment or electrical radiators in places where refrigerant vapours may be present do not...

Страница 75: ...A C unit produces condensate which is drained into the environment if it is not dissipated by the dissipator It is recommended to drain this fluid adequately by condensate lines so as to prevent possi...

Страница 76: ...ssor s electrical parts 2 Compressor start relay defective 1 Replace compressor start relay 3 Where present start up condenser defective 1 Replace start up condenser 4 Compressor motor defective 1 Con...

Страница 77: ...led air to short circuit 2 Check that requirements concerning minimum distance from a wall from the ceiling from the electric cabinet or from any other air cooling unit are as described in this manual...

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