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(...
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(...
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...
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(...
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(...
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(...
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(...
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(...
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(...
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(...
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(...
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(...
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
...
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