EDUS04-904
Installation Manual
Room Air Conditioners H-Series
57
Outdoor Unit Installation
7.
Refri
g
erant Pipin
g
Work
7-1
Cautions on Pipe Handlin
g
1)
Protect the open end of the pipe against d
u
st and moist
u
re.
2) All pipe
b
ends sho
u
ld
b
e as gentle as possi
b
le. Use a pipe
b
ender for
b
ending.
7-2
Selection of Copper and Heat Insulation materials
W
hen
u
sing commercial copper pipes and fittings, o
b
ser
v
e the follo
w
ing:
1) Ins
u
lation material: Polyethylene foam
Heat transfer rate: 0.041 to 0.052
W
/mK (0.024-0.030 Bt
u
/fth°F)
2) Be s
u
re to ins
u
late
b
oth the gas and li
qu
id piping and to pro
v
ide ins
u
lation dimensions as
b
elo
w
.
•
Use separate thermal ins
u
lation pipes for gas and li
qu
id refrigerant pipes.
•
Be s
u
re to
u
se the R410A tools to ens
u
re press
u
re and to pre
v
ent foreign o
b
jects entering.
W
all
If no flare cap is
a
v
aila
b
le, co
v
er
the flare mo
u
th
w
ith tape to keep
dirt or
w
ater o
u
t.
Be s
u
re to
place a cap.
Rain
Gas pipe
Li
qu
id pipe
Gas pipe
ins
u
lation
Li
qu
id pipe
ins
u
lation
Finishing tape
Drain hose
Inter-
u
nit
w
iring
Filling a cylinder
w
ith an attached siphon
Stand the cylinder
u
pright
w
hen filling.
There is a siphon pipe inside, so the cylinder
need not
b
e
u
pside-do
w
n to fill
w
ith li
qu
id.
Filling other cylinders
T
u
rn the cylinder
u
pside-do
w
n
w
hen filling.
6.
Refillin
g
The Refri
g
erant
Check the type of refrigerant to
b
e
u
sed on the machine nameplate.
Precautions when addin
g
R410A
Fill from the liquid pipe in liquid form.
It is a mixt
u
re of refrigerant, so adding it in gas form may ca
u
se the refrigerant composition to change, pre
v
enting normal operation.
1)
Before filling, check
w
hether the cylinder has a siphon attached or not. (It sho
u
ld ha
v
e something like “li
qu
id filling siphon attached” displayed on it.)
In order to protect the environment, be sure to pump down when relocatin
g
or disposin
g
of the unit.
1)
Remo
v
e the
v
al
v
e lids from li
qu
id sh
u
t-off
v
al
v
e and gas sh
u
t-off
v
al
v
e.
2) Carry o
u
t forced cooling operation.
3) After fi
v
e to ten min
u
tes, close the li
qu
id sh
u
t-off
v
al
v
e
w
ith a
hexagonal
w
rench.
4) After t
w
o to three min
u
tes, close the gas sh
u
t-off
v
al
v
e and
stop forced cooling operation.
Forced coolin
g
operation
1)
Press the Forced Operation s
w
itch (S
W
1) to
b
egin forced cooling. Press the Forced Operation s
w
itch (S
W
1) again
to stop forced cooling.
Gas sh
u
t-off
v
al
v
e
V
al
v
e lid
Hexagonal
w
rench
Close
Li
qu
id sh
u
t-off
v
al
v
e
Ser
v
ice port
A B C
O
N
S
W
4
LED-A
S52
Forced operation s
w
itch
S
W
1
S2
1A
1
2
3
Pump Down Operation
Gas side
Li
qu
id side
15/1
8
/24 class
O.D. 1/4 inch (6.4mm)
Gas pipe thermal ins
u
lation
Thickness 0.393 inch (
8
mm) Min.
Thickness 0.031 inch
(0.
8
mm) (C1220T-O)
Thickness 0.039 inch
(1.0mm) (C1220T-O)
Thickness 0.031 inch
(0.
8
mm) (C1220T-O)
1-9/16 inch (40mm) or more 1-15/16 inch (50mm) or more 1-3/16 inch (30mm) or more
Minim
u
m
b
end radi
u
s
24 class
O.D. 5/
8
inch (15.9mm)
15/1
8
class
I.D. 0.551-0.630 inch
(14-16mm)
24 class
I.D. 0.630-0.709 inch
(16-20mm)
Li
qu
id pipe thermal ins
u
lation
15/1
8
class
O.D. 1/2 inch (12.7mm)
15/1
8
/24 class
I.D. 0.315-0.393 inch
(
8
-10mm)
Choose heat ins
u
lation materials that are designed for H
V
AC
u
se.
Summary of Contents for H-Series
Page 1: ...EDUS 04 904 H Series Heat Pump SEER 13 Models ...
Page 63: ...Operation Manual EDUS04 904 62 Room Air Conditioners H Series 12 2 09 12 Class ...
Page 64: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 63 Ground terminal ...
Page 65: ...Operation Manual EDUS04 904 64 Room Air Conditioners H Series ...
Page 66: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 65 ...
Page 67: ...Operation Manual EDUS04 904 66 Room Air Conditioners H Series ...
Page 68: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 67 ...
Page 69: ...Operation Manual EDUS04 904 68 Room Air Conditioners H Series ...
Page 70: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 69 ...
Page 72: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 71 ...
Page 73: ...Operation Manual EDUS04 904 72 Room Air Conditioners H Series operation center ...
Page 74: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 73 ...
Page 75: ...Operation Manual EDUS04 904 74 Room Air Conditioners H Series ...
Page 76: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 75 ...
Page 77: ...Operation Manual EDUS04 904 76 Room Air Conditioners H Series ...
Page 78: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 77 ...
Page 79: ...Operation Manual EDUS04 904 78 Room Air Conditioners H Series ...
Page 81: ...Operation Manual EDUS04 904 80 Room Air Conditioners H Series ...
Page 82: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 81 ...
Page 84: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 83 ...
Page 85: ...Operation Manual EDUS04 904 84 Room Air Conditioners H Series fin fin fin ...
Page 87: ...Operation Manual EDUS04 904 86 Room Air Conditioners H Series 3P232717 1 ...
Page 88: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 87 12 3 15 18 24 Class Fins For ...
Page 89: ...Operation Manual EDUS04 904 88 Room Air Conditioners H Series Ground terminal ...
Page 90: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 89 ...
Page 91: ...Operation Manual EDUS04 904 90 Room Air Conditioners H Series INTELLIGENT EYE operation ...
Page 92: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 91 ...
Page 93: ...Operation Manual EDUS04 904 92 Room Air Conditioners H Series ...
Page 94: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 93 ...
Page 95: ...Operation Manual EDUS04 904 94 Room Air Conditioners H Series ...
Page 96: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 95 fins fins fins fins ...
Page 97: ...Operation Manual EDUS04 904 96 Room Air Conditioners H Series fins fins fins fins ...
Page 98: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 97 ...
Page 99: ...Operation Manual EDUS04 904 98 Room Air Conditioners H Series operation COMFORT AIRFLOW ...
Page 100: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 99 ...
Page 101: ...Operation Manual EDUS04 904 100 Room Air Conditioners H Series ...
Page 102: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 101 ...
Page 103: ...Operation Manual EDUS04 904 102 Room Air Conditioners H Series ...
Page 104: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 103 ...
Page 105: ...Operation Manual EDUS04 904 104 Room Air Conditioners H Series ...
Page 106: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 105 ...
Page 107: ...Operation Manual EDUS04 904 106 Room Air Conditioners H Series ...
Page 108: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 107 ...
Page 109: ...Operation Manual EDUS04 904 108 Room Air Conditioners H Series odor ...
Page 111: ...Operation Manual EDUS04 904 110 Room Air Conditioners H Series fin fin fin ...
Page 112: ...EDUS04 904 Operation Manual Room Air Conditioners H Series 111 ground neighboring ...
Page 113: ...Operation Manual EDUS04 904 112 Room Air Conditioners H Series cancels C 3P232717 2 ...
Page 123: ...Optional Accessories EDUS04 904 122 Room Air Conditioners H Series ...