|
2010版,cl22.107对受保护制冷系统,有下述描述:
- I; ?6 g; M! c9 q: h! Q: K1 l5 ^– where any part of the cooling system which is located inside a food storage compartment is constructed so that
( `+ b+ d' D0 |4 N' Gthe refrigerant is contained within an enclosure with at least two layers of metallic materials separating the
* v+ p6 g0 F* M# v5 frefrigerant from the food storage compartment. Each layer shall have a thickness of at least 0,1 mm. The
: l# K- N- q% T1 Z/ Z& z$ Lenclosure has no joints other than the bonded seams of the evaporator where the bonded seam has a width of
& k8 L% V, a4 Y I6 e# M* fat least 6 mm;
3 o" w7 f( m4 B( M5 ^4 E
- s* Z) W4 o$ o# J目前我们产品用板式蒸发器外置于冷藏室内,认证公司说要不用双层结构;要不冷藏室内电器部件全部防爆。/ z4 B/ g3 U7 U( a' N) D
但我们产品冷藏室内用电子温控器,220V荧光灯和轴流风扇很难找到有防爆认证的。
3 x* u+ @+ w9 ~$ I1 n5 l' V& J7 _9 @" |* l8 M
对此,大家有什么好的建议?上述双层结构市场上能买到么?4 f# y, I& P, [+ p7 Y
, n: p9 n( @& ^; J+ n" a/ D
q0 H6 E0 i1 v$ | |
|