Sanyo SGP-M2 Procedimientos Y Puntos Técnicos Para La Instalación Del Sistema página 4

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  • MEXICANO, página 191
Over 35 cm
Refrigerant tubing side
Over 60 cm
Over
10 cm
Over
Over
Over 1 m
10 cm
10 cm
Fig. 1
(3) In snowy regions, be sure to install a snow-protection hood and enclosure.
Even in regions that do not have heavy snowfall, install a snow-protection roof (such as a snow hood) if the
unit is installed in a location where snow may build up and fall from the building's roof or other surface onto
the unit. (Install the hood so that the coolant supply opening at the top of the unit can be used.)
(4) Take care that operating noise and exhaust do not disturb neighboring buildings or homes.
In particular, install so that noise-related local environmental standards, if any, are satisfi ed at the border
with a neighboring dwelling.
(5) Electrical noise resulting from this gas heat pump A/C may affect other electrical devices. When installing
and wiring, take care to leave suffi cient space (3 m or more) between the A/C units (indoor and outdoor
units) - or the power cables - and any other units, antennas, signal cables, or power cords of televisions,
radios, stereos, intercoms, computers, word processors, telephones, and similar devices.
(6) Select an installation location so that the length of refrigerant tubing is within the ranges shown in the table
below.
Table 1 Ranges for Refrigerant Tubing Length and Installation Height Difference
Category
Symbol
L1
ΔL=(L2-L4)
Allowable tubing
length
(*1)
LM
ℓ1, ℓ2...ℓ48
(*2)
L5
H1
Allowable height
difference
H2
(*2)
H3
Allowable length
for branched tubing
L3
(header branch)
(*1) The minimum length for the main tubing is 7 m.
(*2) The maximum length for balance tubes is 10 m.
(*3) If cooling mode is expected to be used when the external temperature is 10°C or below, the maximum
length is 30 m.
The grouping of tubes that connect the outdoor units to the indoor units is referred to as the "main tubing."
When the maximum tubing length is more than 90 m (equivalent length), upgrade the tube size 1 rank for
both the liquid and gas tubes of the main tubing.
The prescribed performance cannot be guaranteed if the wrong size is selected.
Over
Over 1 m
2 m
Description
Max. allowable tubing length
Difference between longest and shortest tubing lengths after the No. 1
branch (fi rst branching point)
Max. length for main tube (tube with widest diameter)
Max. length for each tube branch
Distance between outdoor units
Max. height difference between
indoor and outdoor units
Max. height difference between indoor units
Max. height difference between outdoor units
Max. length between fi rst T-tee branch (provided by installer) and the
closed tube end
GB - 4
(Top view)
Over 1 cm
Over
Over
15 cm
1 cm
Over 15 cm
Required distance from fl ammable materials
Fig. 2
If outdoor unit is above
If outdoor unit is below
(Front view)
Over 60 cm
Tubing length (m)
≤170 (equivalent
length 200)
≤40
≤120
≤30
≤10
≤50
≤35
(*3)
≤15
≤4
≤2

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