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[2] Necessary Tools and Materials
Prepare the following tools and materials necessary for installing and servicing the unit.
Tools for use with R410A (Adaptability of tools that are for use with R22 or R407C)
1. To be used exclusively with R410A (not to be used if used with R22 or R407C)
T
o
o
/ s l
M
t a
G
a
u
g
e
M
a
i n
o f
d l
C
h
a
g r
n i
g
H
o
s
e
Refrigerant Recovery Cylinder
R
e
r f
g i
e
a r
t n
C
y
n i l
d
r e
Charging Port on the Refrigerant Cylinder Refrigerant charging
F
a l
e r
N
t u
2. Tools and materials that may be used with R410A with some restrictions
T
o
o
/ s l
M
t a
G
a
s
L
e
a
k
D
e
e t
t c
r o
V
a
c
u
u
m
P
u
m
p
F
a l
e r
T
o
l o
Refrigerant Recovery Equipment
3. Tools and materials that are used with R22 or R407C that may also be used with R410A
T
o
o
/ s l
M
t a
Vacuum Pump with a Check Valve
B
e
n
d
r e
T
o
q r
u
e
W
e r
n
c
h
P
p i
e
C
u
t t
r e
Welder and Nitrogen Cylinder
Refrigerant Charging Meter
V
a
c
u
u
m
G
a
u
g
e
4. Tools and materials that must not be used with R410A
T
o
o
/ s l
M
t a
C
h
a
g r
n i
g
C
y
n i l
d
r e
Tools for R410A must be handled with special care to keep moisture and dust from infiltrating the cycle.
r e
a i
s l
E
v
a
c
u
t a
E
v
a
c
u
t a
Refrigerant recovery
R
e
r f
g i
e
a r
C
o
n
n
e
t c
r e
a i
s l
G
a
s
e l
a
V
a
c
u
u
m
F
a l
e r
p
o r
Refrigerant recovery
r e
a i
s l
Vacuum drying
B
e
n
d
n i
g
T
g i
h
e t
n
n i
C
u
t t
n i
g
Welding pipes
Refrigerant charging
V
a
c
u
u
m
r e
a i
s l
R
e
r f
g i
e
a r
U
s
e
o i
n
a
n
d
e r
r f
g i
e
a r
t n
c
harging
o i
n
a
n
d
e r
r f
g i
e
a r
t n
c
h
r a
i g
ng
t n
c
h
a
g r
n i
g
o i
n
f o
h t
e
u
n
t i
w
t i
h the pipes
U
s
e
k
d
e
e t
t c
o i
n
d
y r
n i
g
c
e
s s
n i
g
U
s
e
p
p i
e
s
g
f
a l
e r
n
u
s t
p
p i
e
s
e l
v
e
c l
h
e
k c
U
s
e
t n
c
h
a
g r
n i
g
- 8 -
N
o
e t
s
Higher than 5.09MPa[738psi] on the
high-pressure side
The hose diameter is larger than the
conventional model.
T
h
e refrigerant type is indicated. The
cylinder is pink.
The charge port diameter is larger
than that of the current port.
Use Type-2 Flare nuts.
N
o
e t
s
The ones for use with HFC refrigerant
may be used.
M
a
y
b
e
u
s
e
d
f i
a
c
h
e
k c
v
a
v l
e
is attached.
F
a l
e r
p
o r
c
e
s s
n i
g
i d
m
e
n
s
o i
n
f s
piping in the system using the new re-
frigerant differ from those of R22. Re-
fer to next page.
May be used if compatible with R410A
or R134a
N
o
e t
s
O
n
y l
h t
e
f
a l
e r
p
o r
c
e
s s
n i
g
i d
m
for pipes that have a diameter of
ø12.70 (1/2") and ø15.88 (5/8") have
been changed.
N
o
e t
s
P
o r
h
i b i
e t
d
o t
u
s
e
a
d
a
t p
r e
r o
h t
e
e
n
s
o i
n
s
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