Fire pump equipment must be shut down before any maintenance operations are
performed.Even if the fire pump group is stopped by the Off [Off] switch on the knob switch,
the fire pump group cannot be considered safe and operated unless the engine is stopped
correctly in accordance with the instructions in the equipment manual.
Disconnect all power to the fire pump group and control panel before performing any
maintenance operations, which lead to the fire pump group couldnt work.
1.4.4 AC Power Supply and Isolation
1. AC power supply must have correct over-current and ground fault protection in
accordance with local electrical codes and regulations.
2. This equipment must be grounded.
The customer shall be fully responsible for providing AC lead to connect with electrical
equipment and isolating AC input into the junction box; These must comply with local
electrical codes and regulations. Please refer to the wiring diagram attached to the fire pump
group.
The fire pump control panel has a disconnect device. No liability is assumed for improper
handling of the isolating device.
1.4.5 Disconnect AC power
Dangerous Voltage
1. The equipment may have more than one power source. Switching off one power
source without switching off others can result in the risk of electric shock, which can
lead to serious personal injury.
2. Before working on the equipment, disconnect all power and verify that all power has
been removed.
1.4.6 Low Voltage Equipment (36 V to 500 KV)
1. The operation mode of low-voltage equipment is different from that of electronic circuit
equipment. Special equipment is required to operate on or near low voltage equipment
and operators are need to be trained. Both operations and maintenance should be
performed by trained and experienced personnel operating on the equipment. Improper
operation or wrong procedures will lead to serious injuries and deaths.
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