thuba PS 830 Manuel page 19

Manual BVS 19 ATEX E 080 X
2.6.2 Markings on the housing
On the housing has to be the following markings:
„WARNING: REMOVE ALL DUST FROM THE
INSIDE OF THE ENCLOSURE BEFORE CON-
NECTING OR RESTORING THE ELECTRICAL
SUPPLY"
On ex p-housings for zone 22 with doors without
tools to be opened, must the following reference
be attached:
„WARNING: DO NOT OPEN WHILE ENER-
GIZED UNLESS IT IS OBVIOUS THAT NO
COMBUSTIBLE DUST IS PRESENT"
2.6.3 Special conditions in the manual of the
Ex pD of system (Zone 22)
In the manual for Ex pD applications for the zone
22 the following items are supplemented:
The use of the Ex pD application within the zone
22 must take place without pre purging period
phase. The automatic flushing at the controller
PS 830 is to be therefore always deactivated.
The system may be operated not with a single
solenoid valve, but only with a leakage balance
mechanism without flushing attitude.
Before start-up of the ignition capable apparatus,
the inside of the housing is to be cleaned com-
pletely.
The protective class of the Ex pD housing in dust
explosive area with not leading-capable dust has
to be at least to IP5X, with leading-capable dust
at least IP6X.
Edition July 2020
Copyright
2.6.2 外壳上的标识
必须是以下标识
"警告：在连接或恢复电源之前，从外壳内部清
除所有灰尘"
在没有工具可打开22区的防爆正压腔体门，必
须附上以下参考资料：
"警告：不要在有电时打开，除非很明显没有可
燃粉尘存在"
2.6.3 在防爆正压粉尘系统Ex pD手册中的特
殊条件（区域22）
对于区域22的在防爆正压粉尘系统Ex pD应用
手册，补充了以下项目
在区域22的防爆正压粉尘系统Ex pD的使用必
须在没有预吹扫阶段的情况下进行。 因此，控
制器PS830的自动冲洗总是被停用。
该系统可以不使用单个电磁阀，而只使用没有冲
洗姿态的泄漏平衡机构。
在启动点火能力装置之前，外壳的内部要被完全
清洁。
粉尘爆炸区域的防爆正压粉尘腔的防护等级必须
至少为IP5X，对于更加复杂的粉尘至少为IP6X
。
15
thuba Ltd., CH-4002 Basel
Switzerland