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DC4812VRF    
Installa1on   G uide  
1  
Version(1.4(
DC4812VRF(
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Summary of Contents for Lezeti DC4812VRF

  • Page 1 DC4812VRF     Installa1on   G uide   1   Version(1.4( DC4812VRF(...
  • Page 2: Notice To Owner/Installer

    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 Manufacturer recommends that only a licensed air conditioning contractor be allowed to install or service this unit. For any questions contact your local distributor. www.lezeti-tech.com 2   Version(1.4( DC4812VRF(...
  • Page 3: Capacitor Warning

    Refer   a ny   i nstalla1on   o r   s ervice   t o   a   q ualified   p rofessional.   H VAC   professionals   c an   c ontact   L EZETi   f or   d ownloadable   s ervice   m anual.       3   Version(1.4( DC4812VRF(...
  • Page 4: Table Of Contents

    DC4812VRF   D C   A ir   C ondi1oner   I nstalla1on   G uide   Table   o f   C ontents   Cover Page Notice To Owner/Installer Capacitor Warning Table of Contents Safety Precautions Selecting Installation Location...
  • Page 5: Safety Precautions

    Solar   A rray:   F ollow   t he   N EC   a nd   m anufacturers   i nstruc1ons   f or   m oun1ng,   c onnec1ng,   a nd   g rounding   s olar   p ower   components.     5   Version(1.4( DC4812VRF(...
  • Page 6: Selecting Installation Location

    2         O p1onal   P arts   Remote   c ontroller   h older   1         O p1onal   P arts   0   Figure   2   6   Version(1.4( DC4812VRF(...
  • Page 7 4     A lways   u se   c onduit   w hen   d rilling   t hrough   m etal   g rid,   Figure   5   metal   p late   o r   t he   l ike.         7   Version(1.4( DC4812VRF(...
  • Page 8   w iring.   R un   t he   d rain   h ose   s loped   downward   t o   d rain   o ut   t he   c ondensed   w ater   smoothly.       Figure   8   8   Version(1.4( DC4812VRF(...
  • Page 9: Indoor Unit Installation

    4.     P ress   t he   l ower   l eH   a nd   r ight   s ide   o f   t he   u nit   a gainst   the   i nstalla1on   p late   u n1l   h ooks   e ngages   w ith   t heir   slots.   Figure   9   Figure   1 0   9   Version(1.4( DC4812VRF(...
  • Page 10: Connecting Power Cables

    FOLLOW   T HE   N EC   A ND   U SE   T HE   G UIDE   O N   P AGE   1 1   F OR   P ROPER   A WG   S IZING.       10   Version(1.4( DC4812VRF(...
  • Page 11 Connect   4 8v   D C   p ower   f rom   b a]eries   t o     t erminals   a s   s hown   b elow.   “ E”   r efers   t o   E arth   Ground.   DC4812VRF Air Conditioner Minimum Wire Gauge Sizing Chart for Connecting Outdoor Power Distance 10 ft.
  • Page 12   a nd   t he   b racket   a nd   t he   a ir   c ondi1oner   s hould   b e   fi rm,   s table   a nd   r eliable.   B e   s ure   t here   a re   n o   obstacles   w hich   c an   b lock   t he   fl ow   o f   a ir.   Figure   1 3   12   Version(1.4( DC4812VRF(...
  • Page 13: Outdoor Unit Installation

    12.7mm 3500(357kgf.cm 3600(367kgf.cm) Use   p roper   t orque   t o   e nsure   a   g ood   s eal.     Do   n ot   o ver-­‐1ghten.   13   Version(1.4( DC4812VRF(...
  • Page 14 Additional amount of refrigerant to be charged length Less than 7.5m Use vacuum pump ------------- Use vacuum pump Liquid side:6.35mm R410A: Liquid side:|9.52mm: More than 7.5m (Pipe length-7.5)x20g/m R410A: (Pipe length-7.5)x40g/m Figure   1 9   14   Version(1.4( DC4812VRF(...
  • Page 15 8.   F ully   o pen   t he   p acked   v alve   s tems   B   a nd   A .   9.   S ecurely   1 ghten   t he   c ap   o f   t he   p acked   v alve.   15   Version(1.4( DC4812VRF(...
  • Page 16     Check   t hat   t he   g as   a nd   l iquid   s ide   s ervice   v alves   a re   fully   o pen.   16   Version(1.4( DC4812VRF(...
  • Page 17: Recharging Empty Unit

    2.   O pen   t he   v alve   s tem   u n1l   i t   h its   a gainst   t he   s topper.   D o   n ot   t ry   t o   o pen   i t   f urther.   R eplace   a nd   securely   1 ghten   t he   v alve   s tem   c ap   w ith   a   w rench.   F igure   6 0   17   Version(1.4( DC4812VRF(...
  • Page 18   t o   c omplete   t he   c harging.   D isconnect   t he   blue   h ose   a nd   r eplace   t he   s ervice   c aps   18   Version(1.4( DC4812VRF(...
  • Page 19: Outdoor Electrical

    DC4812VRF     T ypical   S ystem   T opology     Outdoor   E lectrical   C onnec1ons   Charge   C ontroller:   Manufacturer   r ecommends   a nd   m ay   h ave   p rovided   a   c harge   c ontroller   f rom   M orningstar:     T ristar   T S-­‐45,  ...
  • Page 20  to reduce fire hazards when wired according to the wiring diagram contained in these instructions.   • All power production from PV array charge controllers ceases when the breakers trip and remove their connection to the batteries. 20   Version(1.4( DC4812VRF(...
  • Page 21 •  K eep all battery terminals clean and corrosion free. •  D o not attempt to charge a frozen battery. •  A lways install a means of disconnect on the outside of the enclosure. 21   Version(1.4( DC4812VRF(...
  • Page 22: Battery Plant

      w ould   r ecommend   8   A WG   w ire.   F or   1 2   o r   1 6   b a]eries   i nterconnected   w e   r ecommend     n o   c ables   longer   t hat   7 2”   a nd   u se   6   A WG   w ire.   22   Version(1.4( DC4812VRF(...
  • Page 23: Solar Installation

    Do   n ot   a pply   p aint   o r   a dhesive   t o   m odule   t op   s urface.   D o   n ot   u se   m irrors   o r   o ther   m agnifiers   t o   ar1ficially   c oncentrate   s unlight   o n   t he   m odule.   23   Version(1.4( DC4812VRF(...
  • Page 24 The   h ole   i n   t he   b ack   o f   t he   m odule   f rame   i s   u sed   t o   d rain   t he   w ater,   d o   n ot   b lock   i t.       24   Version(1.4( DC4812VRF(...
  • Page 25: Charge Controller

    Charge   C ontroller     You may have been provided a Morningstar charge controller as part of your DC4812VRF order. If so, the following instructions should be followed. If you have a different charge controller please use the manufacturers instructions for connecting and using it.
  • Page 26   o p1onal   T riStar   M eter   i s   i nstalled,   c harging   c urrent   w ill   b e   r eported   a long   w ith   c harging   s tate.   26   Version(1.4( DC4812VRF(...
  • Page 27: Cabling, Mounting, Grounding

    When   o rdering   y our   m oun1ng   h ardware,   c onsult   w ith   y our   l ocal   s upplier   f or   d etailed   i nstruc1ons.     27   Version(1.4( DC4812VRF(...
  • Page 28: Generator Tie-In

    WARNING: Incorrect configuration or incorrect installation may result in personal injury, death, or damage to the generator and/or other system components. CAUTION: Configure the Relay Driver first before wiring the generator control Version(1.4( DC4812VRF( 28  ...

Table of Contents