1-11-1-1-11
1
1
Specification
f
or tube connecting indoor unit to outdoor unit
U-160PZH2R8
U-180PZH2R8
U-200PZH2R8 U-224PZH2R8
T
otal tube length
75 m
60 m
Height dif
f
erence
Outdoor located higher installation
30 m
30 m
Outdoor located lo
w
er installation
30 m
30 m
Charge-less tube length
5-30 m
5-30 m
Additional charge per 1 m
45
g
/m
(T
ube length) Less than 50 m
:
45
g
/m
(T
ube length) O
v
er 50 m and less than 75 m
:
60
g
/m
80
g
/m
Ref
rigerant charged at shipment
3.2 k
g
3.4 k
g
5.2 k
g
T
otal refrigerant amount
5.20 k
g
6.10 k
g
7.60 k
g
U-160PZH2R5
U-160PZH2R8
U-180PZH2R8
U-200PZH2R8
U-224PZH2R8
T
ube length
–
Less than 50 m
Ov
er 50 m
Less than 30 m
Ov
er 30 m
V
al
v
e si
ze
(Outdoor Unit)
Liquid
ø9.52
ø9.52
ø9.52
ø12.7
ø12.7
Gas
ø19.05
ø19.05
ø19.05 *1
ø19.05
ø19.05 *2
Main tube
(Outdoor unit to Indoor unit)
Liquid
ø9.52
ø9.52
ø9.52
ø12.7
ø12.7
Gas
ø19.05
ø19.05
ø25.4
ø19.05
ø25.4
please be sure to use reducer (field supply)
f
or connection (brazing).
please be sure to use standard accessories joint tubing A
f
or connection (brazing).
Precautions when operating the 3-way valve for tubing installation
Do not open the 3-
w
ay
v
al
v
e until the tubing installation is completed.
•
It is closed during shipment.
•
loosened and tightened with a torque wrench.
As a result, al
w
ays be sure to secure to the h
e
xagonal part of the 3-
w
ay
v
al
v
e with a spanner, or other tool.
Ref
er to the
f
ollowing table
f
or the tightening torque of the 3-
w
ay
v
al
v
e flare
nuts
.
•
Do not add additional
f
orce to the
v
al
ve’
s co
ve
r
.
•
Using spanners on the co
v
er or
v
al
v
e itself (other than the h
e
xagonal
parts) may cause gas leakag
e.
Av
oid using spanners on the co
v
er or parts other than the h
e
xagonal
part of the
v
al
ve.
When cooling in the low outdoor air, the low-pressure side pressure may
decreas
e.
Seal sufficiently the flare nut in the service
v
al
v
e (both gas and
liquid tubes) with silicone sealant to a
v
oid the gas leak caused by freezing.
Gas tube
Opening: Open the
v
al
v
e ca
p
, pull out the knob and use pliers etc
.
to turn the knob 90° counter-clo
c
kwis
e
.
Closing: Open the
v
al
v
e ca
p
, pull out the knob and use pliers etc
.
to turn the knob 90° clo
c
kwis
e
.
Fully closed
Knob
Fully open
Liquid tube
Opening: Open the
v
al
v
e cap and turn the Allen wrench counter-clo
c
kwise until it stops.
Closing: Open the
v
al
v
e cap and turn the Allen wrench clo
c
kwise until it stops.
Opening direction
V
al
v
e cap
Se
rvice port
Gas tube
He
xagonal part
of the
v
al
ve
Please do not apply the
spanner in this position.
T
orque wrench
Spanner (Secure)
V
al
v
e shaft
V
al
v
e cap
Flare nut
Liquid tube
(Please use a singl
e
, open-end spanner to loosen and
tighten the liquid tube 3-
w
ay
v
al
v
e flare nut.)
Se
rvice port
T
orque
wrench
Silicone sealant
.
Please ensure there are no gaps where
moisture can enter the joint.
Silicone Sealant must be neutral cure and ammonia fre
e.
Use of silicon containing
ammonia can lead to stress corrosion on the joint and cause leakag
e.
SM830277-00_大洋州向け R32シングル_TD&SM.indb 11
2019/02/27 11:50:44
Summary of Contents for S-160PE1R5B
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