Maintenance
141
Installing the New Canister
1. The reverse procedure should be followed to install a new cylinder. The main electrical disconnect
is to be left open until the cylinder is completely installed and reconnected.
2. The blue sensor plug on all units is for the high water sensor pin, which always goes on the single
pin with collar offset from the others. See Figure 105.
3. Ensure that cylinder plugs are snug on the pins. Replace any loose fitting plugs as these may
result in hazardous operation.
Figure 105Canister plugs
WARNING
Risk of humidifier canister meltdown, smoke and fire. Can cause fire suppression system
activation, fire and smoke alarm activation, equipment or serious building damage, injury
and death.
Check steam generating humidifier electrode plugs to ensure that they are pressed firmly
onto pins. Loose connections will cause overheating of cylinder and plugs..
Cylinder
Pin
Cylinder
Pin
Cylinder
Pin
High Water
Sensor Pin
3 O
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