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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
Header unit (A)
A
Indoor unit
A
Follower unit (B)
A
Follower unit (C)
A
Follower unit (D)
A
Is the gauge of the
power cable correct?
Header unit (A)
mm
2
Indoor unit
mm
2
Follower unit (B)
mm
2
Follower unit (C)
mm
2
Follower unit (D)
mm
2
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)
Follower unit (D)
Summary of Contents for MMY-MAP0804HT7JP
Page 23: ... 22 1 Wiring Diagrams 1 1 Outdoor Unit Models MMY MAP0804 MAP1004 and MAP1204 ...
Page 24: ... 23 Models MMY MAP1404 and MAP1604 ...
Page 35: ... 34 1 2 10 Slim Duct Type AP024 AP027 Models MMD AP0244SPH MMD AP0274SPH ...
Page 38: ... 37 1 2 13 High Wall Type 3 series Models MMK AP0073H AP0093H AP0123H AP0153H AP0183H AP0243H ...
Page 52: ... 51 2 5 Parts Layout in Outdoor Unit 8 10 12HP Model MMY MAP0804 MAP1004 MAP1204 ...
Page 53: ... 52 14 16HP Model MMY MAP1404 MAP1604 ...
Page 57: ... 56 2 7 2 Inverter P C board for compressor MCC 1596 A3 IPDU ...
Page 323: ......