Ask fire, weak water pump, control cabinet need how to put the line, what line should be put, the use of the line, the equipment is SIEMENS, specific points, such as online master pointing
These 2 lines are used to start the fire hydrant pump. KVVP-2X1.5-SC20 alarm control line 3, fire water tank low level by the fire pump room, fire water level monitoring controller to. For low water alarm, 4, fire control room attracted 2 directly with the pump line NHKVV-6x1.5/SC40, each control of a pump start and stop. 5 、 pump start and fault return signal through the dual input and output module LD-8303, double input and output switching module LD-8302A, connected to the automatic fire alarm system. How exactly?. More professional. Let's have a look at the Gulf products brochure.
Fire pump has the following related weak wire: 1, roof fire water tank, flow switch with the NHKVV-2X1.5-SC20 control line, received fire hydrant, water pump control cabinet. 2, hydrant, water pump outlet pipe pressure switch with the control line (ibid.), received fire hydrant water pump control cabinet (spray pressure switch is located in wet alarm valve).
At present, the implementation of new automatic fire alarm specifications, fire water supply specifications, fire hydrant pump and spray pump started almost the same. Just spray pump, no flow switch below. Like the fire hydrant box inside the direct pump button is now only connected to the automatic fire alarm system, you do not need to receive fire pump room, equivalent to the fire manual alarm button role.