Panasonic U-16GE2E5 Verfahren Und Technische Punkte Für Die Installation Der Anlage Seite 11

(2) Fuel piping work
As needed, attach devices 2, 3 or 5 to the outdoor unit external fuel gas pipe. (Fig. 12-1)
1 Flexible gas hose
A main valve must be installed for servicing the fuel gas tube.
• Use a reinforced gas hose or a low-pressure gas hose with fuel gas
joint bracket between the fuel gas pipe master valve and the outdoor
unit. In addition, avoid excess pressure or shock to the outdoor unit's
fuel gas inlet by taking measures such as making the pipe path leading
up to the gas hose as short as possible. Otherwise, there is danger
of fi re resulting from fuel gas leakage.
• If necessary, install pipe brackets in the fuel gas pipe path to reduce
the risk of pressure or shock to the pipe path. In particular, take
suffi cient precautions when installing near roads. There is a danger
of fi re or explosion resulting from fuel gas leakage.
* In regions with heavy snowfall, take precautions to protect the fuel
gas pipe path from snow damage (Fig. 12-2).
• After installation work is completed, check that there is no gas leakage
from the fuel gas pipe/hose path. There is danger of fi re resulting from
fuel gas leakage.
• To ensure safety in case of a gas leak, make sure that airfl ow
surrounding the outdoor unit is suffi cient and gas will not accumulate.
Accumulation of gas may result in fi re or explosion.
Exhaust drain port
Condensate drain port
Fig. 11
2 Pressure release tap
EN - 11
Fuel gas inlet
R3/4 external thread (male)
3 Strainer 4 Master valve
Fig. 12-1 Fuel Pipe Structure Diagram
Fuel gas pipe
Fig. 12-2 Fuel pipe protection example
Unit: mm
5 Pipe bracket
Protective cover