|
2010版,cl22.107对受保护制冷系统,有下述描述:
5 b2 M9 ^9 ^' j0 j% w– where any part of the cooling system which is located inside a food storage compartment is constructed so that; f9 v* E% z: ]5 I
the refrigerant is contained within an enclosure with at least two layers of metallic materials separating the: i! u" S% h) D: P! i/ ^
refrigerant from the food storage compartment. Each layer shall have a thickness of at least 0,1 mm. The) r* g* A$ m5 I$ h- D2 v% v
enclosure has no joints other than the bonded seams of the evaporator where the bonded seam has a width of! T* p) F) F8 n& A* B8 v
at least 6 mm;
- c% g% t$ d: o4 ?! H! Y8 ]& a! E1 y' \
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。6 I0 f1 a% M) i, w5 a
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。2 k( n$ h4 ], r9 o. ]
" u q3 n# G, D }. U, X! @对此,大家有什么好的建议?上述双层结构市场上能买到么?+ t% r4 {4 ~7 F* M( ?
; _% L0 ~* e/ e* R2 H9 }. Z: V1 A1 J4 y
|
|