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ENGLISH
8.3. Connecting direction for refrigerant
piping
Two connecting directions are available for refrigerant piping of the out-
door unit: bottom piping and front piping.
as shown below:
C
A
B
A
B
D
A Knock-out hole
B Bottom piping
C Front piping
D Connect piping (to constant capacity unit)
Note:
In the case of bottom piping, build a 100 mm or higher foundation
so that piping will go through the bottom of the unit.
8.4. Noise level
(50/60Hz)
PUHY-400 PUHY-500 PUHN-200 PUHN-250
60/61 dB (A-weighted)
56 dB (A-weighted) 57 dB (A-weighted)
1m
1m
A
B
A Front
B Measuring point
Measuring location: a room free from echoes and reverberations
<For PUHY-400/500YMC>
121
130
560
B
780
B
780
B
760
G
990
D
75
194
584
8073
160
25
840
E
880
B
840
E
880
B
A
F
F
A
111
788280
694
150230
73 90 80
1760
G
1990
D
55
910
55
15
15
910
56
56
Down piping and down wiring precautions
When down piping and down wiring are performed, be sure that founda-
tion and base work does not block the base through holes. When down
piping is performed, make the foundation at least 150 mm high so that
the piping can pass under the bottom of the unit.
<For PUHN-200/250YMC>
A Bottom piping through hole
B (bolt hole)
C (bolt hole for old models)
D (unit width)
E (unit depth)
F Bottom wiring through hole
G (bolt hole for packing)