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hotspot energy ACDC12B Owner's Manual And Installation

Solar air conditioner heat pump
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ACDC12B Solar Air Conditioner Heat Pump
Before installing or using your solar air conditioner, please print and read
this manual carefully and keep it for future reference.
Notice To Owner/Installer
This unit is designed for easy installation by an experienced person. It is
legal for a homeowner to install it, however we highly recommend using a
licensed HVAC technician for installation.
Legal Information About Self-Installing R410A Air Conditioners
A homeowner with a vacuum pump, proper training, and equipment can install this unit. Unless you are
experienced with installing air conditioners we recommend you hire a professional installer. The person
who installs the system must do all work in compliance with local building and electrical codes.
Are there any restrictions on the purchase of R410A refrigerants?
R410a is not an ozone-depleting substance. At this time the purchase of R410a refrigerant is not
restricted in the US. There is no technician certification requirement for those that purchase HFC
refrigerants, such as R-410a or R-134a. If you are not licensed, some local HVAC supply companies may
refuse to sell you R410a based on a misunderstanding of the law, or because they wish to discourage
homeowners from working on their own systems.
Are there any restrictions on the use of R410A refrigerants?
Yes, it is illegal to knowingly vent or release these refrigerants. The venting prohibition applies to R410a,
and all other HFC refrigerants, just as it does for ozone-depleting refrigerants like R-22.
Is EPA technician certification required to service R410A systems?
No, at this time EPA technician certification is not required in order to service R-410a systems.
Source:
http://www.epa.gov/ozone/title6/phaseout/technicians_contractors_faq.html
Please read this installation manual completely before installing the product. If the power cord is damaged,
replacement must be performed by authorized personnel only. Installation work must be performed in accordance
with the NEC and local codes. You should contact a licensed service technician for installation, repair, or
maintenance.
Improper installation could damage the system and/or void the warranty and could result in injury, death, or property
damage.
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  • Page 1 ACDC12B Solar Air Conditioner Heat Pump Before installing or using your solar air conditioner, please print and read this manual carefully and keep it for future reference. Notice To Owner/Installer This unit is designed for easy installation by an experienced person. It is legal for a homeowner to install it, however we highly recommend using a licensed HVAC technician for installation.
  • Page 2 INSTALLERS, Please read the following warnings to prevent voiding warranties: WARNING: Make sure the PV panels are wired in PARALLEL, NOT SERIES. Verify voltage is within range prior to connecting to the ODU DC breaker. WARNING: Voltage from breaker box to ODU disconnect should be 220V (measured between L1 and L2.) See page 13, figure 24.

  • Page 3: Table Of Contents

    Table of Contents SAFETY PRECAUTIONS Warning ............................4 Caution ............................4 INSTALLATION INSTRUCTIONS Selecting installation location .......................5 Indoor unit installation........................5 Outdoor unit installation .......................5 REFRIGERANT PIPE CONNECTION Refrigerant pipe connection ......................10 ELECTRICAL WORK Electrical work ..........................12 Installation of the solar photovoltaic system ................14 AIR PURGING Air purging with vacuum pump .....................29 Safety and leakage check ......................31...

  • Page 4: Safety Precautions

    SAFETY PRECAUTIONS  Read the follow SAFETY PRECAUTIONS carefully before installation.  Installation must be performed in accordance with the requirement of NEC and CEC by authorized personnel only.  Incorrect installation due to ignoring of the instruction will cause harm or damage.

  • Page 5: Installation Instructions

    Installation Instructions Select an installation location which is rigid and strong enough to support or hold the unit, and select a location for easy maintenance. Read completely, follow instructions step by step. Indoor Unit Fig. 1  Do not expose the indoor unit to heat or steam. ...
  • Page 6 Rooftop installation:  If the outdoor unit is installed on a roof structure, be sure to level the unit.  Ensure the roof structure and anchoring method is adequate for the unit location. Consult local codes regarding rooftop mounting. Recommended Tools For Installation: Level gauge Hex Wrench 5mm Screwdriver...

  • Page 7: Indoor Unit Installation

    INSTALLATION INSTRUCTIONS Indoor unit installation 1. Fit the Installation Plate 1. Fit the installation plate horizontally on a structurally sound part of the wall with spaces around the installation plate. 2. If the wall is made of brick, concrete or the like use anchor bolts.

  • Page 8: Outdoor Unit Installation

     INSTALLATION INSTRUCTIONS Never intercross or intertwist the power wire Connective Pipe and Drainage Installation with any other wiring. 6. Run the drain hose sloping downward. Do not install the drain hose as illustrated in Fig.7. When connecting extension drain hose, insulate the connecting part of extension drain hose with a shield pipe, do not let the drain hose slack.
  • Page 9 Outdoor Unit installation Outdoor installation precaution Install the outdoor unit on a rigid base to prevent increasing noise level and vibration. Determine the air outlet direction where the discharged air is not blocked. In the case that the installation place is exposed to strong wind such as a seaside, make sure the fan operating properly by putting the unit lengthwise along the wall or using a dust or shield plates.

  • Page 10: Refrigerant Pipe Connection

    Refrigerant pipe connection REFRIGERANT PIPE 1. Flaring work The main cause for refrigerant leakage CONNECTION is caused by a defect in the flaring work. Perform correct flaring work Installation of Outdoor Unit using the following procedure:  Anchor the outdoor unit with a bolt A: Cut the pipes and the cable.
  • Page 11 C: Putting nut on Remove flare nuts attached to indoor and outdoor unit, then put them on pipe/tube having completed burr removal.(not possible to put them on after flaring work) D: Flaring work Firmly hold copper pipe in a die in the dimension shown in the table below.

  • Page 12: Electrical Work

    Electrical work Electric safety regulations for the initial Installation 1. If there is are any safety issues with the power source, the technician should refuse to install the air conditioner and explain the problem to the customer. 2. Power voltage should be in the range of 90%~110% of the rated voltage. 3.
  • Page 13 Connecting the cable to the indoor unit NOTE: Before performing any electrical work, turn off the main power to the system. 1. The inside and outside connecting cable can be connected without removing the front grille. 2. The indoor power cord type is H05VV-F or H05V2V2-F, the outdoor power cord and interconnected cord type is H07RN-F.

  • Page 14: Installation Of The Solar Photovoltaic System

    ELECTRICAL WORK Installation of the solar photovoltaic system  This guide contains information regarding the installation and safe handling of solar photovoltaic module. All instructions should be read and understood before attempting to install. If there is any question, please contact our support department for further explanation. The installer should conform to all the safety precautions listed in this guide when installing the module.
  • Page 15 When disconnecting wires from a photovoltaic module that is exposed to sunlight, an electric arc may result. Such arcs may cause burns, combustion and may otherwise create problems. Therefore, be extremely careful! Photovoltaic solar modules convert light energy to direct-current electrical energy. They are designed for outdoor use.
  • Page 16 Solar modules produce electrical energy when light strikes on their front surface. The DC voltage may exceed 30V. If modules are connected in series, the total voltage is equal to the sum of the individual module voltages. If modules are connected in parallel, the total current is equal to the sum of individual module currents.
  • Page 17 When performing installation in dry conditions, please ensure the tools used ar e dry. Fig 34 Abide with the safety regulations for all other components used in the system, including wiring and cables, connectors, charge c o n t r o l l e r s , inverters, storage batteries and rechargeable batteries, etc.
  • Page 18 Selecting the proper racking system  Always observe the instructions and safety precautions included with the support frame to be used with the module.  Never attempt to drill holes in the glass surface of the module, it will void the warranty. ...
  • Page 19 4. Roof mount  When installing a module on a roof or building, ensure that it is securely fastened and cannot fall as a result of wind or snow loads.  Provide adequate ventilation under a module for cooling (3inch minimum air space between module and mounting surface).

  • Page 21: Electrical Installation

    Electrical installation General installation  Do not use modules of different configurations in the same system.  The solar photovoltaic array consists of modules connected in parallel, no more than 3 modules can be used in parallel. Modules in parallel can increase the output current of the solar photovoltaic system, especially for applications requiring high currents, low voltages.
  • Page 22 Shown below, branch connectors are used (BR2). If you want to connect the photovoltaic modules by using the cables purchased by yourself, the following requirements must be complied:  Cable installation should comply with all local regional and national regulations. ...

  • Page 24: Disclaimer Of Liability

    If you want to use the connector purchased by yourself the following requirements must be complied:  Use only connectors specially designed for solar electric systems.  Use the recommended or specified tools when installing the connectors.  Do not unplug the connectors when the power is on. ...

  • Page 25: Grounding Principals

    GROUNDING PRINCIPALS Equipment grounding provides protection from shock caused by a ground fault and is required for all PV systems by the NEC. A ground fault occurs when a current-carrying conductor comes into contact with the frame or chassis of an appliance or an electrical box.
  • Page 26 2 Panel Grounding Liquid Tight conduit may be used between the Standard AC Disconnect and the 30 AMP internal breaker in the Outdoor Unit. Max 6 ft.
  • Page 27 3 Panel Grounding Liquid Tight conduit may be used between the Standard AC Disconnect and the 30 AMP internal breaker in the Outdoor Unit. Max 6 ft.

  • Page 28: Air Purging

    AIR PURGING Air purging Air and moisture in the refrigerant system have undesirable effects as indicated below: Pressure in the system rises. Operating current rises. Cooling or heating efficiency drops. Moisture in the refrigerant circuit may freeze and block capillary tubing. Water may lead to corrosion of parts in the refrigeration system.
  • Page 29  minutes or more and check that the When m o v i n g the unit to a new location, compound meter indicates perform evacuation using a vacuum -76cmHg (-1x10 Pa). pump. 6. Turn the stem of the packed valve B ...

  • Page 31: Running Test

    RUNNING TEST Perform test operation after completing gas leak check at the flare nut connections and electrical safety check.  Check that all tubing and wiring have been properly connected.  Check that the gas and liquid side service valves are fully open. 1.

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