Hitecsa VERNE WPHBA Series Manual
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Hitecsa VERNE WPHBA Series Manual

Packaged horizontal water-to-air conditioners
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WPHBA │ WPHA
Heat pump
PACKAGED HORIZONTAL WATER-TO-AIR CONDITIONERS
091│121│141│171│201│251│351│401│501│701│751│1001│1201
Models:
Cooling Capacities: from 2.4 to 41.0 kW
Heating Capacities: from 2.8 to 46.4 kW
IOM_WPHBA-WPHA_091a1201_207954_180610_EN
Cooling only

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  • Page 1 WPHBA │ WPHA Heat pump Cooling only PACKAGED HORIZONTAL WATER-TO-AIR CONDITIONERS 091│121│141│171│201│251│351│401│501│701│751│1001│1201 Models: Cooling Capacities: from 2.4 to 41.0 kW Heating Capacities: from 2.8 to 46.4 kW IOM_WPHBA-WPHA_091a1201_207954_180610_EN...
  • Page 2 Thank you for trusting the Hitecsa Products. Our company has been offering the market an extended range of specialized units for air conditioning and cooling installations for over 35 years. Our approach is based on efficiency, adaptability, usability and practical solutions.

  • Page 3: Table Of Contents

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS WPHBA │ WPHA INDEX INTRODUCTION ........................... 5 CONTENTS ........................... 5 REGULATIONS AND CERTIFICATIONS ................... 6 SAFETY PRECAUTIONS ......................... 7 TECHNICAL SPECIFICATIONS ......................8 OPCIONAL MOTOR EC ........................ 14 TRANSPORT & RECEPTION ......................15 INSPECTION AT RECEPTION .......................
  • Page 4 WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS OPERATION ..........................35 BEFORE START UP ........................35 START UP ........................... 36 OPERATING LIMITS ........................37 Cooling cycle ........................37 Heating cycle ........................37 INDOOR FAN TRANSMISSION ADJUSTMENT................37 TH TUNE CONTROL ........................39 Start / Stop ...........................

  • Page 5: Introduction

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS INTRODUCTION CONTENTS Purpose of this Manual This manual and any other instructive document attached as refrigeration lines design, electrical diagrams, etc. have been written to allow a correct installation, commissioning and maintenance of the unit. Therefore it is essential to read the instructions with due attention.

  • Page 6: Regulations And Certifications

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS INTRODUCTION CONTENTS Periodic Inspections and Maintenance Carry out periodic inspections to detect possible damaged or broken pieces. If they are not repaired it could cause damage to people or stuff. Before executing any maintenance operation, cut off the unit power supply.

  • Page 7: Safety Precautions

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS SAFETY PRECAUTIONS DANGER  Do not touch or adjust the safety elements inside of any unit of the system. In the repairs use only original spare parts and install them properly in the same position where old parts were placed. ...

  • Page 8: Technical Specifications

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS TECHNICAL SPECIFICATIONS VERNE RANGE WPHBA / WPHA COOLING CAPACITIES Nominal Cooling Capacity (1) 2.33 3.15 3.88 4.79 5.76 Power Input (3) 0.75 1.00 1.14 1.18 1.64 EER Coefficient kW / kW 3.12 3.15 3.39 4.05...
  • Page 9 WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS TECHNICAL SPECIFICATIONS VERNE RANGE REFRIGERANT Type R-410A Global Warming Potential (GWP) (4) 2088 Refrigerant load WPHA 0.55 Refrigerant load WPHBA COMPRESSOR Type Rotational Quantity Voltage V / ~ / Hz 230 / I / 50 EVAPORATOR FAN Type Centrifugal.
  • Page 10 WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS TECHNICAL SPECIFICATIONS VERNE RANGE WPHBA / WPHA COOLING CAPACITIES Nominal cooling capacity (1) 7.42 11.3 13.08 16.35 Power Input (3) 1.87 2.99 3.44 3.48 EER Coefficient kW / kW 3.97 3.78 Energy class WPHBA (Heat Pump Units) HEATING CAPACITIES Heating capacity (2)
  • Page 11 WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS TECHNICAL SPECIFICATIONS VERNE RANGE REFRIGERANT Type R-410A Global Warming Potential (GWP) (4) 2088 Refrigerant load WPHA Refrigerant load WPHBA COMPRESSOR Type Rotative Scroll Quantity Voltage V / ~ / Hz 230/1/50 400/3/50 230/1/50 400/3/50 400/3/50...
  • Page 12 WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS TECHNICAL SPECIFICATIONS VERNE RANGE 1001 1201 WPHA COOLING CAPACITIES Nominal cooling capacity (1) 19.77 25.18 33.9 39.96 Power Input (3) 4.46 6.11 7.78 9.25 EER Coefficient kW / kW 4.44 4.12 4.36 4.32 Energy class WPHBA (Heat Pump Units)
  • Page 13 WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS TECHNICAL SPECIFICATIONS VERNE RANGE 1001 1201 REFRIGERANT Type R-410A Global Warming Potential (GWP) (4) 2088 Refrigerant load WPHA Refrigerant load WPHBA COMPRESSOR Type Scroll Quantity Voltage V / ~ / Hz 400/3/50 EVAPORATOR FAN Type Centrifugal.

  • Page 14: Opcional Motor Ec

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS TECHNICAL SPECIFICATIONS OPCIONAL MOTOR EC WPHBA EC Fan 1001 1201 Type RADIAL with EC motor (Plug-Fan type) Quantity / Size - / mm 1/190 1/190 1/190 1/250 1/250 1/310 1/310 1/310 1/400 1/400 1/400 1/450 1/450 Nominal Electrical Specifications (for a fan) Power supply V/~/Hz...

  • Page 15: Transport & Reception

     Verify the correct voltage of the nameplate and make sure it is in accordance with local power supply.  In case of any flaw or anomaly detected, please contact HITECSA. RIGGING  Before moving the unit, make sure that all panels are well fixed.

  • Page 16: Installation

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS INSTALLATION INSTALLATION LOCATION  Consult and respect the rules and local regulations which regulate the installation of air conditioning systems.  Choose a site without dust and debris.  Respect the appropriate service area for the equipment which will be installed. ...

  • Page 17: Dimensions And Weight

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS INSTALLATION DIMENSIONS AND WEIGHT Standard Fan Models 091 – 141 Legend 1 Electrical connections input 8 Evaporator turbine 2 Water inlet 9 Turbine engine 3 External drainage 3/4’’ male 10 External coil 4 Water outlet 11 Internal coil 5 Air filter...
  • Page 18 WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS INSTALLATION DIMENSIONS AND WEIGHT Standard Fan Models 171 - 201 Legend 1 Electrical connections input 8 Evaporator turbine 2 Water inlet 9 Turbine engine 3 External drainage 3/4’’ male 10 External coil 4 Water outlet 11 Internal coil 5 Air filter...
  • Page 19 WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS INSTALLATION DIMENSIONS AND WEIGHT Standard Fan Models 251 - 401 Legend 8 Evaporator turbine 1 Electrical connections input 9 Turbine engine 2 Water inlet 3 External drainage 3/4’’ male 10 External coil 11 Internal coil 4 Water outlet 12 Pressure valve connection (optional)
  • Page 20 WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS INSTALLATION DIMENSIONS AND WEIGHT Standard Fan Models 501 - 751 Legend 8 Evaporator turbine 1 Electrical connections input 9 Turbine engine 2 Water inlet 3 External drainage 3/4’’ male 10 External coil 11 Internal coil 4 Water outlet 12 Pressure valve connection (optional)
  • Page 21 WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS INSTALLATION DIMENSIONS AND WEIGHT Standard Fan Models 1001 - 1201 Legend 1 Electrical connections input 8 Evaporator turbine 2 Water inlet 9 Turbine engine 3 External drainage 3/4’’ male 10 External coil 4 Water outlet 11 Internal coil 5 Air filter...

  • Page 22: Ec Radial Fan

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS INSTALLATION DIMENSIONS AND WEIGHT EC RADIAL FAN Models 091 - 141 DIMENSIONS (mm) MODELS WEIGHT(kg) MODELS NET WEIGHT PACKAGED WEIGHT Legend: Electrical connections input Water inlet External drainage Ø 3/4” male Water outlet Air filter Manoeuvre Compressor...
  • Page 23 WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS INSTALLATION DIMENSIONS AND WEIGHT EC RADIAL FAN Models 171 – 201 Legend: Electrical connections input Water inlet External drainage Ø 3/4” male Water outlet Air filter Manoeuvre Compressor EC fan Condenser coil 10.
  • Page 24 WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS INSTALLATION DIMENSIONS AND WEIGHT EC RADIAL FAN Models 251 – 451 DIMENSIONS (mm) MODELS WEIGHT (kg) MODELS NET WEIGHT PACKAGED WEIGHT Legend: Electrical connections input Water inlet External drainage Ø 3/4” male Water outlet Air filter Manoeuvre...
  • Page 25 WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS INSTALLATION DIMENSIONS AND WEIGHT EC RADIAL FAN Models 501 - 751 DIMENSIONS (mm) MODELS WEIGHT (kg) MODELS NET WEIGHT PACKAGED WEIGHT Legend: Electrical connections input Water inlet External drainage Ø 3/4” male Water outlet Air filter Compressor...
  • Page 26 WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS INSTALLATION DIMENSIONS AND WEIGHT EC RADIAL FAN Models 1001 - 1201 WEIGHT (kg) MODELS NET WEIGHT PACKAGED WEIGHT 1001 1201 Legend: Electrical connections input Water inlet External drainage Ø 3/4” male Water outlet Air filter Compressor Manoeuvre...

  • Page 27: Drainage

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS INSTALLATION DRAINAGE  The indoor drain unit (of condensate water) has a 3/4” MPT connection.  Condensate drain pipe diameter should be equal or larger than the unit drain connection depending on the line length and general building configuration.

  • Page 28: Hydraulic Installation

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS INSTALLATION HYDRAULIC INSTALLATION The selection of the components and the installation shall be made by a qualified installer according to the valid local legislation and the good practice rules. Make sure that you are aware of all the local rules and regulations for hydraulic installations and that you comply with them.

  • Page 29: The Hydraulic Circuit And Its Components

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS INSTALLATION THE HYDRAULIC CIRCUIT AND ITS COMPONENTS The plate heat exchanger is the most fragile part of the hydraulic circuit. Therefore it is very important that the units provided with a plate exchanger work in an open hydraulic circuit and in a closed thermal circuit within the control values as stated in the following chart.

  • Page 30: Installation Of The Flow Switch As An Option

    3 times the diameter of the tube. No other component or accessory shall be installed on that tube. If you use a flow switch from another supplier (not delivered by Hitecsa), refer to the instructions of the producer and respect the dimensions as previously stated.
  • Page 31 WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS INSTALLATION Installation of the paddle according to the diameter of the tube: Tube Paddle 1" - 1 ½” 2" - 2 ½” 3" - 4” 1+2+3 INSTRUCTIONS VERIFICATION OF THE PADDLE MOVEMENT ELECTRICAL CONNECTIONS ADJUSTING SCREW ADJUSTING SCREW...

  • Page 32: Water Connections With The Optional Pressostatic Valve

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS INSTALLATION WATER CONNECTIONS WITH THE OPTIONAL PRESSOSTATIC VALVE Install the by-pass solenoid valve with the optional pressostatic valve in the Heat Pump units. UNIT WATER SIDE 1. Antivibratory coupling. 2. Shut off valve 3.

  • Page 33: Elements And Hydraulic Connections Of The Installation Diagram

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS INSTALLATION ELEMENTS AND HYDRAULIC CONNECTIONS OF THE INSTALLATION DIAGRAM WPHA/BA unit Condensate drain Dry cooler Thermometer Drain Air duct Shut off valve Automatic purge Pressure gauge Expansion tank Flexible connection Water line Mesh filter Circulation pump Flow switch...

  • Page 34: Electrical Connections

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS INSTALLATION ELECTRICAL CONNECTIONS 1. Main power supply : * 091- 251 Single phase (phase + Neutral) ** 351-1201 Three-phase + Neutral 2. Ground 3. Delayed-action fuses or circuit breaker D curve. 4. Main switch 5.

  • Page 35: Installation

     The power supply of the unit must be as indicated on the serial plate. Damage caused by the start-up of the unit in an incorrect voltage line is not covered by Hitecsa’s warranty.  The unit must not be supplied with any other voltage than that indicated on the serial plate. The power supply to the unit must be within 10% of the voltage indicated on the serial plate.

  • Page 36: Start Up

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS START UP It is very important to evacuate air from the system and clean dirt particles of the water circuit. The two operations must be done at the same time.  At first start up the water pump for a few minutes. ...

  • Page 37: Operating Limits

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS OPERATION OPERATING LIMITS Cooling cycle INPUT TEMPERATURE MINIMUM MAXI MUM Dry indoor air 19ºC 31ºC Wet indoor air 15ºC 21ºC Water inlet 15ºC * 45ºC ** *For water inlets lower than 25ºC, it is necessary to install the presostatic valve accessory. ** On request units can be manufactured to 50 ºC.
  • Page 38 WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS OPERATION INDOOR FAN TRANSMISSION ADJUSTMENT Align fan and motor pulleys: Loose fan pulley set screws. Slide fan pulley along the shaft and align with motor by using a ruler in order to ensure that is parallel to the belt. Tighten fan pulley set screws.

  • Page 39: Th Tune Control

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS OPERATION TH TUNE CONTROL Serial controller for standard models with µPC control board. Start / Stop  Press and hold the (On / Off) button for two seconds to turn the thermostat on or off. ...
  • Page 40 WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS OPERATION Description of the Alarm Codes CODE DESCRIPTION AL01 Alarm probe B1 disconnected (Outdoor temperature) AL02 Alarm probe B2 disconnected (Supply temperature) AL03 Alarm probe B3 disconnected (Discharge temperature comp.1) AL05 Alarm probe B5 disconnected (Return temperature) AL06 Alarm probe B6 disconnected (Return temperature) AL07...

  • Page 41: Maintenance

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS MAINTENANCE WARNING! Before performing any service or maintenance operation it is mandatory to turn off the main power switch of the system to avoid any personal injuries. Locked it so that nobody other than a qualified technician can switch on electrical power.

  • Page 42: Compressor Lubricant

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS MAINTENANCE COMPRESSOR LUBRICANT Compressors with R-410A refrigerant use POE oils. Each compressor manufacturer is using different oil for its products. The compressor or system cannot remain open to atmosphere more than 15 minutes. Compared with the mineral oil used with R22 compressors, the synthetic polyester lubricants absorb 100 times more moisture.

  • Page 43: Refrigerant Charge

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS MAINTENANCE REFRIGERANT CHARGE WARNING! Never use oxygen to pressurize system or purge lines for leak test. Oxygen reacts violently with oil, which can cause an explosion resulting in damage, personal injury or death. ...

  • Page 44: Optional

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS OPTIONAL EC MOTOR FANS Safety instructions This document contains information to avoid personal and material damage. These instructions are not intended to be complete. If you have questions or problems, our technicians are at your disposal for any queries you wish to make. Intended use ...

  • Page 45: Working On Device

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS OPTIONAL EC MOTOR FANS Safety instructions Explanations of symbols Safety instructions are highlighted with warning triangles and are depicted according to the degree of hazard as follows. Attention! General hazardous area. Death or severe injury or significant property damage can occur if the corresponding precautions are not taken! Danger due to electric current Warning of dangerous voltage of dangerous current.
  • Page 46 WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS OPTIONAL EC MOTOR FANS Working on device Danger due to electric current WARNING!  It is generally forbidden to carry out work on electrical live parts. Protection class of the device when complete open is IP00! It is possible to touch hazardous voltages directly.

  • Page 47: Modifications / Interventions In The Device

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS OPTIONAL EC MOTOR FANS Working on device Attention, hot surface! WARNING! Temperatures of above 85ºC can occur on the motor surfaces, especially on the controller housing! Modifications / interventions in the device WARNING! For reasons of safety, no unauthorized interventions or modifications may be made on the device.

  • Page 48: Diagnosis / Faults

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS OPTIONAL EC MOTOR FANS Diagnosis / Faults Trouble shooting Type of error Possible cause Remedial measures Failure line voltage. Failure of one Check line voltage. phase. Under – or overvoltage. Earth fault. Check motor connection and line voltage.

  • Page 49: Status Out With Flash Code

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS OPTIONAL EC MOTOR FANS Diagnosis / Faults Status Out with flash code Relay contact 11-14 LED Code Cause (Explanation) Fan alarms Open No line voltage Closed Normal operation without fault Closed No enable = OFF Closed Active temperature management Open...

  • Page 50: Rotation Caused By An Air Flow In False Direction

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS OPTIONAL EC MOTOR FANS Rotation caused by an air flow in the wrong direction When the fan is stopped (no signal, no electrical supply, etc.), the control of the motor does not interfere if the fan rotates in wrong direction (due to, for example, an air flow).

  • Page 51: Cleaning

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS OPTIONAL VENTILADORES CON MOTOR EC Cleaning Danger due to electric current ATTENTION! Voltage supply for motor must be interrupted and secured against restoration! Clean the circulation area of the air fan. Attention! ...

  • Page 52: Appendix: Safety Data R-410A

    WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS APPENDIX: SAFETY DATA R-410A Refrigerant Data Safety Data: R-410A Toxicity Liquid spatters can cause freeze burns. It is impossible skin absorption could result dangerous. It can be slightly irritating. Liquid has a degrease effect. Defrost with water the affected zones. Take off carefully Contact with Skin contaminated clothing, since it could have been sticked on the skin in case of frostbite.
  • Page 53 WPHBA / WPHA COMPACT HORIZONTAL PACKAGED WATER-TO-AIR UNITS APPENDIX: SAFETY DATA R-410A Refrigerant Data Safety Data: R-410A Do not inhale concentrated vapours. Their concentration in the atmosphere should not exceed the minimum preset values and should be maintained below the General Precautions professional threshold.
  • Page 54 Subject to modifications without prior notice.

This manual is also suitable for:

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