GE FHV5SGWW Service Manual page 46

Haier fhv5sgww: user manual
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Freezer
Model:FHV5SGWW/FHV7SGWW
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
12.6.9 why freezer noise changes greater at night?
Answer: This is because the affection of freezer noise to people is relative
to the level of environmental sound. In noisy city or shops, people feel the
noise is little, while in countryside or quiet living room will feel the same
noise greater. This is the reason that people feel the freezer gets noisier at
home than at shop.
12.6.10 What are the national stipulations for freezer
noise?
Answer: Regarding the side effect of noise to people's health and the
technological level freezer industry can reach at present, standardized
stipulations for freezer noise is made in national standard GB8059.1-87:
family use freezer with the volume below 250L, noise≤52 dB(A) sound
power level. The noise at offices we stay everyday or other public places is
much higher than this freezer noise.
12.6.11 Why freezer noise measured at home is incorrect?
Answer: Because at home there is not the environment conditions for
freezer noise measuring, and the value measured is not effective. The
conditions for noise measuring are stipulated in national standard as the
followings:
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