Hitecsa 1602.2 Installation, Operation & Maintenance Manual Download Page 7

 
 
 

 

IOM_UMXCBA-UMXCA_801.1a4502.2_208027_200201_EN

 

UMXCBA/UMXCA

 

CONDENSER UNITS WITH 
COMPRESSOR AND AXIAL FAN

 

 

 

SAFETY INSTRUCTIONS 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

  

DANGER

 

 

• Should it be necessary to open the electrical box in order to get inside the equipment, it is 
COMPULSORY to plug the main power cable out prior to this operation. The equipment MUST 
ALWAYS BE FREE OF VOLTAGE when opening the electrical box. 
 
 

• Do not touch or adjust the safety devices inside the unit. For repairs use only original spare parts 

and install them properly in the same position where the old parts were fitted. 
 
• The installation and maintenance of air conditioning equipment may be dangerous due to the 
pressure of the system, the high temperature of some of its parts and the electrical components.  
 
• Do not install the unit in an explosive atmosphere. 

 

 

 

 
 
 

 

Only  qualified  and  trained  service  staff  (technical  service)  is  authorized  to  carry  out  installation, 
commissioning  and  maintenance.  Unqualified  personnel  will  carry  out  basic  tasks  only  such  as 
cleaning and replacement of filters, or filter cleaning (excluding the refrigerant filters), etc.

… 

 

Prevent access to children to avoid that they play with the equipment. 

 

For all visits, follow carefully all recommended precautions: the instructions recommended in the 
installation, operation and maintenance manual, as well as the precautions stated on the stickers 
placed on the unit. Do not forget to strictly follow any other legal safety instructions. 

 

DO NOT introduce objects into the air inlets or outlets that might be drawn into the fan, people, etc. 

 

Use  safety  glasses,  work  gloves  and  any  other  safety  accessory  that  may  be necessary  for  the 
operation. 

 

For brazing operations use a quenching cloth and make sure you have a fire extinguisher close to 
you. 

 

This product contains fluorinated greenhouse gases. In case of leakage air may be displaced which 
may cause lack of oxygen. 

 

•  

Please follow all the safety recommendations carefully. 

 

 

 

ATTENTION!

 

 

Before starting any installation, service or maintenance operation, turn the main power switch 

off in order to avoid electrical discharges that may cause personal injuries.

 

WARNING 

Summary of Contents for 1602.2

Page 1: ...2 2402 2 3002 2 3502 2 4002 2 4502 2 Cooling capacity from 25 9 kW to 134 7 kW Heating capacity from 27 3 kW to 142 4 kW CONDENSER UNITS WITH COMPRESSOR AND AXIAL FAN INSTALLATION OPERATION MAINTENAN...

Page 2: ...ars Our approach is based on efficiency flexibility and on practical solutions This has been the hallmark of our product catalogue The versatility of our factory allows us to deliver solutions that ca...

Page 3: ...S 12 Refrigerant circuit 12 Discharge lines 12 LINE DESIGN 12 REFRIGERANT LINES 13 LINE DRAWING 13 Additional load in the interconnection pipes 14 REFRIGERATION CONNECTIONS 15 Guidelines for the corre...

Page 4: ...erature adjustment 24 System operating modes change 24 Time Schedule 25 Local Network 28 Alarms 29 MAINTENANCE 31 CONSERVATION AND CLEANING 31 COMPRESSOR LUBRICANT 32 REFRIGERANT CHARGE 32 DIMENSIONS...

Page 5: ...the Data The continuous improvement in design and performance to which we are committed to gives us the right to modify the specifications of our products without prior notice Electrical Supply Check...

Page 6: ...d manipulation reparation or modification of the unit will automatically invalidate the warranty Packaging and Replacement of Equipment The material of the package plastic bags insulating materials na...

Page 7: ...carry out basic tasks only such as cleaning and replacement of filters or filter cleaning excluding the refrigerant filters etc Prevent access to children to avoid that they play with the equipment Fo...

Page 8: ...1 5 8 Gas line diameter circuit 1 1 1 8 Liquid line diameter circuit 2 Gas line diameter circuit 2 FAN Type Outdoor Axial Rotor Nominal air flow m3 h 17700 17700 19700 19700 Available static pressure...

Page 9: ...er circuit 1 5 8 Gas line diameter circuit 1 1 1 8 Liquid line diameter circuit 2 5 8 Gas line diameter circuit 2 1 1 8 FAN Type Outdoor Axial Rotor Nominal air flow m3 h 35400 35400 39400 39400 Avail...

Page 10: ...circuit 1 7 8 Gas line diameter circuit 1 1 3 8 Liquid line diameter circuit 2 7 8 Gas line diameter circuit 2 1 3 8 FAN Type Outdoor Axial Rotor Nominal air flow m3 h 46400 65900 65900 Available sta...

Page 11: ...own below Be sure to hoist the machine through the points indicated in the diagram Make sure that the unit is balanced stable and without any deformations during the lifting operations STORAGE If the...

Page 12: ...transmission of noise and vibration Check that the direction of the sound level will not disturb anybody The standard version of this equipment has been designed for installation inside a building wit...

Page 13: ...qualified technicians An incorrect design may reduce the unit s performance and may be a hindrance when access to the unit for maintenance operations is needed in particular where there is only one po...

Page 14: ...ne pressure drop The refrigerant circulation speed The refrigerant mass in the system The length of the interconnection pipes please contact Hitecsa for lines longer than 50 meters Discharge lines In...

Page 15: ...indoor unit is installed at the same level as the outdoor unit raise the suction line to a higher level than the indoor heat exchanger in order to avoid refrigerant return into the compressor during...

Page 16: ...2 647 22 9 808 28 6 1 3 8 24 853 120 4 3 241 8 5 481 17 1 722 25 6 963 34 1 1204 42 6 1 5 8 34 1219 172 6 1 344 12 2 688 24 4 1033 36 6 1377 48 8 1721 60 9 2 1 8 61 2149 303 10 7 607 21 5 1213 43 0 18...

Page 17: ...d leave particles inside the pipe Reduce the number of brazing and remember that it should always be of the strong type In compliance with local laws the welder must be an authorized person A bad weld...

Page 18: ...ding to the current local laws The interconnecting wires shall be protected by a tube or an electrical cable conduit cable tray etc ELECTRICAL DIAGRAM For further details please refer to the electrica...

Page 19: ...MXCBA UMXCA CONDENSER UNITS WITH COMPRESSOR AND AXIAL FAN INSTALLATION ELECTRICAL DIAGRAM pGD1 or Mini pGD control Connection to pGD1 via 6 wire telephone cable for lines longer than 50m intercalate w...

Page 20: ...make the connections Make sure that all electrical connections are properly tight The power supply of the unit must comply with the data stated on the serial plate Damage caused by the start up of th...

Page 21: ...e unit air flow is too low How to change the fan speed 1 Remove the belt Move the motor along its track or loosen the tensor set screw in order to release it 2 Loose the set screws of the motor pulley...

Page 22: ...t flexibility is calculated in millimeters by dividing S by 40 OPERATION LIMITS OUTDOOR AIR TEMPERATURE Dry temperature COOLING CYCLE C Minimum conditions 20 Maximum conditions 50 HEATING CYCLE C Mini...

Page 23: ...or negative that shall be added to the value of the probe A value equal to zero will not change the value of the probe Press keys FAN ON OFF and keep them pressed until a password is required Enter pa...

Page 24: ...rd Auto will disappear from the icon The fan works in a continuous mode Keep the button pressed during 3 seconds minimum until Clock appears if the stated hour is not correct you can change it here tu...

Page 25: ...3 disconnected Comp 1 discharge Temperature AL05 Alarm probe B5 disconnected Return humidity AL06 Alarm probe B6 disconnected Return humidity AL07 Alarm probe B7 disconnected Outdoor humidity AL11 Ala...

Page 26: ...submenu help is shown on the main screen UP KEY Scrolling through the menus or modification of the values of the regulation parameters ENTER KEY Confirmation of the introduced values DOWN KEY Scrollin...

Page 27: ...hedule pGD1 models as standard HIT005 You will have 4 types of start in time schedule and when the time schedule is ON the screen will display the word PHASE A Manual type by selecting this type of st...

Page 28: ...from 6 30 to 11 00 etc D ON OFF schedule type with SET limit of ON This option makes the start stop as option B ON OFF schedule including a safety start up of the unit out of the schedule when the tem...

Page 29: ...2 00 a m Example DST of 60 min Enabled from the first Monday of February at 10 00 goes off at 11 00 until the last Sunday of October at 3 00 goes back at 2 00 The pGD1 is an option HITSAA01 Various ty...

Page 30: ...5 Press the three buttons until the next image appears again on the screen return the display address setting value to 32 Press Enter to confirm 6 Set I O Board address to the desired value that we e...

Page 31: ...ALARM MESSAGES pGD1 Optional HITSAA01 Message in Display Type Alarms Clock card error or not connected Warning Alarms Probe B01 broken or disconnected Warning Alarms ThTune offline Alarm Alarms ThTune...

Page 32: ...m General Alarm of the Burner Alarm Severe Damaged Memory indication Warning Missing Clock or not working Alarm Maintenance of the unit Only indication Warning Alarms Severe Return Temperature Probe B...

Page 33: ...opped and control that nobody may start it during the intervention A regular inspection of the unit is required to avoid dirt accumulation in propellers turbines motors and grids that could entail ris...

Page 34: ...or system should not remain open to atmosphere for more than 15 minutes Synthetic ester type lubricants POE Polyol Ester with a high solubility level with R 410A are used These types of oil are very h...

Page 35: ...7_200201_EN UMXCBA UMXCA CONDENSER UNITS WITH COMPRESSOR AND AXIAL FAN DIMENSIONS UMXCBA UMXCA 801 1 1001 1 1201 1 1501 1 LEGEND 1 Liquid pipes connection 2 Gas pipes connection 3 Electrical box 4 Mai...

Page 36: ...2 3002 2 CENTRE OF GRAVITY X Y Z UMXBCA 1602 2 684 1056 635 UMXCBA 2002 2 680 1057 670 UMXCBA 2402 2 680 1058 665 UMXCBA 3002 2 685 1058 672 LEGEND 1 Lower inlet for electrical power 2 Electrical box...

Page 37: ...S WITH COMPRESSOR AND AXIAL FAN DIMENSIONS UMXCBA UMXCA 3502 2 4002 2 4502 2 LEGEND 6 Lower inlet for electrical power 7 Electrical box 8 Main switch 9 Standard inlet for electrical power 10 Connectio...

Page 38: ...of high temperatures flames burning surfaces and excess humidity Hazardous Reactions Contact with certain red hot metals may result in exothermic or explosive reactions and yield toxic and or corrosi...

Page 39: ...Subject to modifications without prior notice...

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