Hitecsa KUBIC RMXRBA HE Series User manual

IOM_RMXRBA HE_40.3a219.4_207816_200308_EN

INSTALLATION, OPERATION AND MAINTENANCE MANUAL

Heat Pump

RMXRBA HE

ROOF TOP UNITS –AXIAL FANS

Models: 40.3 │ 45.3 │ 57.3 │ 71.3 │ 77.3

102.3 │ 114.2 │ 125.2 │ 135.2 │ 171.4 │ 200.4 │ 219.4

Cooling capacities: from 39.5 kW to 218.5 kW

Heating capacities:

from 42.4 kW to 226.7 kW

IOM_RMXRBA HE_40.3a200.4_207816_200308_EN

ROOF TOP UNITS –AXIAL FANS

RMXRBA HE

Thank you for trusting the Hitecsa Products. Our company has been offering the market an extended range of specialized

equipment for air conditioning and cooling installations for over 35 years. 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 can meet any requirement and we endeavour solving any problem

that may arise in designing and implementing air conditioning installations.

From all of us at Hiplus Aire Acondicionado, once again, thank you very much.

IOM_RMXRBA HE_40.3a200.4_207816_200308_EN

ROOF TOP UNITS –AXIAL FANS

RMXRBA HE

INDEX

INTRODUCTION ......................................................................................................................................................... 6

Name plate.......................................................................................................................................................... 8

REGULATIONS AND CERTIFICATIONS.................................................................................................................. 9

SAFETY INSTRUCTIONS........................................................................................................................................ 10

TECHNICAL SPECIFICATIONS.............................................................................................................................. 12

Models 40.3 –77.3............................................................................................................................................ 12

RMXRBA HE 40.3-77.3 RCF / VRC modules...................................................................................................... 14

RMXRBA HE 102.3-219.4..................................................................................................................................... 15

RMXRBA HE 102.3-219.4 RCF / VRC.................................................................................................................. 17

OPERATION LIMITS ............................................................................................................................................... 18

COOLING MODE.................................................................................................................................................. 18

.............................................................................................................................................................................. 18

HEATING MODE.................................................................................................................................................. 18

TRANSPORT & RECEPTION.................................................................................................................................. 19

INSPECTION AT RECEPTION............................................................................................................................. 19

RIGGING .............................................................................................................................................................. 19

STORAGE ............................................................................................................................................................ 19

DIMENSIONS AND WEIGHT................................................................................................................................... 20

WEIGHT OF STANDARD MODELS..................................................................................................................... 20

WEIGHT OF UNITS WITH RCF MODULE........................................................................................................... 20

WEIGHT OF UNITS WITH VRC MODULE........................................................................................................... 20

DIMENSIONS....................................................................................................................................................... 21

Models 40.3 –77.3............................................................................................................................................ 21

Models 102.3 - 114.2........................................................................................................................................ 23

Models 102.3 - 114.2 RCF and VRC............................................................................................................... 24

Models 125.2 and 135.2 ....................................................................................................................................... 25

Models 125.2 and 135.2 RCF and VRC................................................................................................................ 26

Models from 171.4 to 219.4 .................................................................................................................................. 27

Models from 171.4 to 219.4 RCF and VRC.......................................................................................................... 28

INSTALLATION ....................................................................................................................................................... 29

REFRIGERATION DIAGRAMS ............................................................................................................................ 29

MODELS 114.2 –135.2 .................................................................................................................................... 30

Models from 171.4 to 219.4 .................................................................................................................................. 31

INSTALLATION LOCATION................................................................................................................................. 32

UNIT SETTLEMENT............................................................................................................................................. 32

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RMXRBA HE

SERVICE AREA ................................................................................................................................................... 32

MODELS 40.3 –77.3........................................................................................................................................ 32

MODELS 102.3 –114.2 .................................................................................................................................... 32

MODELS from 125.2 to 135.2........................................................................................................................... 33

MODELS from 171.4 to 219.4........................................................................................................................... 33

MODELS from 40.3 to 77.3 with RCF ............................................................................................................... 34

MODELS 102.3-114.2 with RCF ....................................................................................................................... 34

MODELS 125.2 - 135.2 with RCF ..................................................................................................................... 35

MODELS from171.4 to 219.4 with RCF............................................................................................................. 35

WATER DRAIN..................................................................................................................................................... 36

Drainage –internal side..................................................................................................................................... 36

Drainage –external side.................................................................................................................................... 36

AIR DUCTS........................................................................................................................................................... 36

Assembly types................................................................................................................................................. 37

Assembly types for units with RCF module....................................................................................................... 38

ELECTRICAL INSTALLATION ............................................................................................................................. 39

ELECTRICAL DATA ............................................................................................................................................. 39

ELECTRICAL CONNECTION DIAGRAM............................................................................................................. 39

INSTALLATION .................................................................................................................................................... 40

TH-Tune control connection (PGD or Mini-pGD optional) ............................................................................... 40

pLan network connection (communication between some units). ..................................................................... 40

INSTALLATION .................................................................................................................................................... 41

TCONN bypass device connection.................................................................................................................... 41

Remote connection ........................................................................................................................................... 41

OPERATION............................................................................................................................................................ 42

BEFORE START-UP ............................................................................................................................................ 42

START UP............................................................................................................................................................ 42

INDOOR CENTRIFUGAL FAN TRANSMISSION ADJUSTMENT (optional)........................................................ 43

TH TUNE CONTROL............................................................................................................................................ 44

Screen............................................................................................................................................................... 44

Start / Stop....................................................................................................................................................... 44

Temperature Adjustment................................................................................................................................ 44

Calibration of the probe of indoor temperature of Th-Tune ........................................................................ 44

System Operating Modes.................................................................................................................................. 44

Indoor Fan Modes: ............................................................................................................................................ 44

Time Schedule .................................................................................................................................................. 45

Alarms............................................................................................................................................................... 46

PGD or Mini pGD THERMOSTAT ........................................................................................................................ 47

KEYBOARD ...................................................................................................................................................... 47

On/Off................................................................................................................................................................ 47

Temperature adjustment ................................................................................................................................... 47

System operating modes change...................................................................................................................... 47

Clock adjustment............................................................................................................................................... 48

Time schedule................................................................................................................................................... 48

Local Network.................................................................................................................................................... 49

Alarms............................................................................................................................................................... 50

DIAGNOSIS OF THE ALARMS............................................................................................................................ 51

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RMXRBA HE

MAINTENANCE....................................................................................................................................................... 54

CONSERVATION AND CLEANING ..................................................................................................................... 54

INDOOR FANS WITH EC MOTOR....................................................................................................................... 56

Diagnosis / Faults............................................................................................................................................ 56

Status Out with flash code ............................................................................................................................. 57

OUTDOOR FANS WITH PKDM / PKDT............................................................................................................... 58

Led of internal state, diagnosis through flash codes................................................................................... 58

REPAIRING OPERATIONS.................................................................................................................................. 60

REFRIGERANT CHARGE.................................................................................................................................... 60

OPTIONS ................................................................................................................................................................. 61

APPENDIX: SAFETY DATA R-410A....................................................................................................................... 63

IOM_RMXRBA HE_40.3a200.4_207816_200308_EN

ROOF TOP UNITS –AXIAL FANS

RMXRBA HE

INTRODUCTION

Purpose of this Manual

The present manual together with any other technical document such as refrigeration or

hydraulic lines drawings and electrical diagrams among others have been issued to provide the

necessary information for installation, start-up and maintenance of the unit. Therefore it is

essential to read the instructions very carefully. Please contact us if your machine is equipped

with an option or any special modification that are not mentioned in the present manual.

Make sure that all the necessary information for the correct installation of the system is included

in the manuals that have been supplied together with this unit and/or the rest of the indoor units,

accessories, etc. The manufacturer declines any responsibility in case of people/animals injuries

or material damages resulting from an incorrect use of the unitand/or non-compliance with these

instructions.

In case of different interpretations and/or errors, the priority order of validity of the given

documents will be: 1. Name plate of the unit stating the specifications. 2. IOM (the present

document), 3. EDM, technical catalogue, 4. UM user manuals.

Storage of the Manual

This manual and the electrical diagram of the unit must be preserved and remain available to the operator for any

further consultation.

Updating 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 that the electrical network features comply with the data shown in the data nameplate of the

unit.

Local Safety Regulations

Observe and analyse all the possible causes of accidents that may arise in the place or places of installation of the

units, check all the medium and the tools that will be used, etc. It is not possible to anticipate each one of the potential

circumstances of danger in this manual. Respect the valid local security standards during installation.

Principles of Security

The unit has been designed and built so that it does not represent any risk to the health and safety of people.

Appropriate solutions for the project have been planned to eliminate the possible causes of risk during installation.

Installation

Please read carefully the present document. Any damage to the equipment caused by an incorrect

installation will not be covered by the insurance. Any installation operation shall be completed according

to the instructions of the manufacturer and carried out by certified personnel. This document has been

issued for installers, however, should you find the instructions not clear enough, please do not hesitate

to contact us.

Reminder: all operations shall be completed according to the local security regulations.

IOM_RMXRBA HE_40.3a200.4_207816_200308_EN

ROOF TOP UNITS –AXIAL FANS

RMXRBA HE

INTRODUCTION

Utilization

The unit will be used only for the purpose it has been designed for. Any other use does not imply any kind of liability

or responsibility from the manufacturer.

Incorrect Operation

In case of breakdowns or operation faults, turn the unit off.

Periodic Inspections and Maintenance

Carry out periodic inspections to detect possible damaged or broken parts. If these parts are not

repaired, people injuries or material damages could be caused. Disconnect the power supply of the

unit before carrying out any maintenance operation.

Make sure that the maintenance areas are accessible. If these areas have to be invaded bythe lateral

air supply and/or return ducts, verify that the design of the ducts allows the access to the fans and

that they are not a hindrance when replacing the filters. If that is not possible make sure access is

possible from the other side.

All operations shall be carried out in accordance with the local safety regulations.

Repairing Operations

The reparations shall always and exclusively be completed by trained personnel previously authorized

by the manufacturer and only original spares shall be used. The safety devices of the unit may be

damaged in case of non-compliance with these warnings.

Modifications

The manufacturer will not respond to possible warranty claims and damages of the unit in case of electrical and/or

mechanical modifications. The unauthorized 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, nails, etc.) is a potential source of

danger. Consequently, it should be kept out of the reach of children and properly recycled according

to the valid local safety regulations.

Do not mix this product with household waste at the end of its life. Due to the refrigerant, oil and other

components contained in this product, it must be dismantled by professional installers. All the

waste, depending on its nature shall be sent to recycling, composting or treatment plants, or to an

authorized management agency in accordance with the current local legislations.

Refrigerant

This product is hermetically sealed and contains R-410A which is a HFC fluorinated greenhouse gas.

IOM_RMXRBA HE_40.3a200.4_207816_200308_EN

ROOF TOP UNITS –AXIAL FANS

RMXRBA HE

INTRODUCTION

Name plate

Description of the name plate placed on the unit.

1. Name of the unit.

2. Production year

3. Unit code.

4. Serial number.

5. Test Pressure, Refrigerant Side.

6. Cooling capacity in rated conditions (EN-14511)

7. Heating capacity in rated conditions (EN-14511)

8. Fluid flow indoor heat exchanger (air).

9. Capacity of support coils or heating (if any)

10. Maximum operating pressure of the support coil if

applicable (“X” if not applicable).

11. Maximum operating pressure outdoor heat exchanger

refrigerant side.

12. Air flow in the outdoor heat exchanger.

13. Water flow in the outdoor heat exchanger (“X” if not

applicable).

14. Maximum operating pressure outdoor heat exchanger

water side (“X” if not applicable).

15. Number of compressors.

16. Protection code IP (Dust/water tightness).

17. Type of refrigerant needed for unit operation.

18. Basic load of the unit. In case of difference with

catalogue value, the indicated value of the nameplate is

the most appropriate for this unit in particular (E.g. “2 x

7” == “7 + 7“ means a charge of 7 kg per circuit)

19. Total weight of the unit + optional and accessories in

operating conditions.

20. Number of phases (three-phase ±N, single phase, etc.)

and voltage at which this unit must be supplied.

21. Frequency of the electrical network to which the machine

must be connected.

22. Power input of the machine (standard unit operating

under rated cold conditions ± optional, etc.)

23. Gross performance of the unit (+ optional and

accessories) in the heating mode.

24. Maximum current operating in the cooling mode.

25. Maximum starting current (all electrical components

running at maximum current and commissioning stage of

compressors).

26. Gross performance of the unit (+ optional and

accessories) in heating mode.

27. Maximum current operating in cooling mode.

28. Maximum starting current (all electrical components

running at maximum current and largest compressor in

blocked rotor).

29. Maximum TS allowed lower/higher design temperature,

according to pressure equipment directive 2014/68/UE

(PED).

30. Maximum PS allowed design pressure (PED).

31. Unit category (PED) and fluid group (refrigerant)

32. Global warming potential of refrigerant relative to CO2.

33. CE label and number of the certifying entity (only

category II or over).

IOM_RMXRBA HE_40.3a200.4_207816_200308_EN

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RMXRBA HE

REGULATIONS AND CERTIFICATIONS

ISO 9001 CERTIFICATION: HIPLUS AIRE ACONDICIONADO S.L., by endeavouring to always gain the maximum

satisfaction from their customers, obtained the ISO 9001: Quality System for our design and production activities. That

result shows our continuous determination to improve quality and the reliability of all our products. Our commercial

activities, design, raw materials, production processes and after-sales service represent the means to reach our goal.

CE MARKING: Our products are CE marked according to the essential requirements of the applicable EC directives and

their last modifications and comply with the national legislation of each country.

EUROVENT CERTIFICATION: HITECSA participates in the EUROVENT Certification program. Please check which

models are certified on the web.

IOM_RMXRBA HE_40.3a200.4_207816_200308_EN

ROOF TOP UNITS –AXIAL FANS

RMXRBA HE

SAFETY INSTRUCTIONS

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.

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.

It is absolutely forbidden to carry out work on electrical live parts. The protection class of the opened unit is IP00!

Check the safe isolation from the supply by using a two-pole voltage detector.

Even after disconnecting the main voltage, life-threatening charges may appear between the protective ground “PE” and

the main connection.

If the motor of the fan runs independently after the unit has been switched off because it is pushed by airflowfor example,

dangerous voltage of more than 50 V may be present in some of the internal connection parts of the motor. In that case

the fan is working as a generator.

When the unit is equipped with EC motors or motors with variable speed control, the ground wire (depending on the

switching frequency, the current source voltage and the motor capacity) is conducting high discharge currents. Therefore

check that the earth grounding is complying with the EN standards even for testing and trial operations (EN 50 178, Art.

5.2.11). Without grounding dangerous voltages may be present in the motor housing.

The use of capacitors implies a danger of death even after switching the device off in case of direct contact with

conductive parts or with parts that carry voltage due to fault conditions. Removing or opening the housing of the controller

and the terminal box for example is only permitted after the power supply cable has been disconnected for 3 minutes.

DANGER

This manual suits for next models

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