Checklist 1
• Using Checklist 1, check that there are no problems with the installation work.
Is the capacity of the
circuit breaker (Earth
leakage breaker)
appropriate?
Outdoor total capacity
A
Indoor unit
A
A
A
A
Header unit (A)
Follower unit (B)
Follower unit (C)
Is the gauge of the
power cable correct?
mm
2
Indoor unit
mm
2
mm
2
mm
2
Header unit (A)
Follower unit (B)
Follower unit (C)
Is the control
communication line
correct?
Indoor-outdoor connection terminals (U1, U2)
Outdoor-outdoor connection terminals (U5, U6)
Central control system connection terminals (U3, U4)
Is the power of indoor units supplied collectively?
Is it grounded to earth?
Is the resistance sufficient? (10 M
M
)
r
e
h
g
i
h
r
o
or higher
V
)
%
0
1
±
V
5
1
4
-
0
8
3
n
i
h
t
i
w
(
?
t
n
e
i
c
i
f
f
u
s
e
g
a
t
l
o
v
r
e
w
o
p
n
i
a
m
e
h
t
s
I
Is the diameter of connecting pipe correct?
Is the branch kit correct?
Is the water drain of the indoor unit arranged so that it flows without accumulation?
Is the heat insulation of pipes sufficient? (connecting pipes, branch kit)
Is there no short circuit of discharge air in the indoor/outdoor units?
After an airtightness test of the pipes, are vacuuming and adding of refrigerant executed?
Are the valves of all the outdoor units fully opened?
Gas side
Liquid side
Balance side
Header unit (A)
Follower unit (B)
Follower unit (C)
−
10
9
−
Summary of Contents for MMY-MAP0806HT7(J)P
Page 306: ...For HT8 J P E HT8 J P TR model 305 ...
Page 307: ...For T8 J P T7 J P T8P SG T8 J P ID T8 J P T model 306 ...
Page 313: ... 312 For HT8 J P E HT8 J P TR model ...
Page 314: ... 313 For T8 J P T7 J P T8P SG T8 J P ID T8 J P T model ...
Page 320: ... 319 For HT8 J P E HT8 J P TR model ...
Page 321: ... 320 For T8 J P T7 J P T8P SG T8 J P ID T8 J P T model ...
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