Evaporative Cooling Humidifier
Installation Instructions and User Manual
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Stage 5 – Power Supply Connections
WARNING
. All work concerned with electrical installation should only be performed by skilled and
qualified technical personnel, such as electricians or technicians with appropriate training. The customer
is responsible for ensuring their suitability.
WARNING
. Risk of electric shock. Isolate all power supplies before installation and maintenance of the
SKV Evaporative Cooling Humidifier.
Illustration 9 - Power Supply Connections
Table 6 - Power Supply Specifications
Model
Voltage (V)
Current (A)
SKVR
Recirculation model
120 – 1ph
5.5
240 – 1ph
3
SKVD
Direct feed model
120 – 1ph
1
240 – 1ph
0.5
You
MUST
externally fuse all incoming power supplies for over current protection.
Isolate the electrical supply for the purpose of emergencies and servicing. We recommend installing a disconnect
switch within 1m (3.3ft) of the humidifier. The isolator must have a contact separation of at least 1/8’’ (3mm).
Please observe local codes and regulations concerning the provision of electrical installations.
The installation engineer must ensure the following:
Use of copper power conductors only.
Size of the power conductors are suitable for the maximum current supplied.
Incoming power cable is secured via suitably sized cable gland.
Each terminal connection is secured firmly with a cable ferrule.
Humidifier cabinet has an uninterrupted or unbroken electrical ground. Do not use the evaporation
module’s frame to connect to ground.
120Vac or 240Vac 1ph 60Hz
as per voltage indicated on name plate
(by others)
Electrical box on evaporation
module
Power supply terminal
block
Power cable should
pass through water
tight bushing.
