SK300-XL Steam Humidifier
14
Stage 5 –Electrical Supply and Installation
Electrical Power
Supply
The SK300-XL Steam Humidifier requires a 120, 208 or 240V single phase supply.
Model Voltage
(V)
Current
(A)
SK330M
208 – 3ph
84
SK340M
208 – 3ph
111
SK370M
480 – 3ph
84
600 – 3ph
70
SK380M
480 – 3ph
96
600 – 3ph
81
SK390M
480 – 3ph
109
600 – 3ph
91
All incoming power supplies MUST be externally fused for over current protection.
The electrical supply should also be isolated for the purpose of emergency and
servicing. A disconnect switch should typically be installed within one meter of the
humidifier.
The isolator must have a contact separation of at least 1/8’’ (3mm).
Electrical
connection
All work related to electrical installation MUST only be performed by skilled and
qualified technical personnel (e.g. electrician or technicians with appropriate
training).
Please observe local codes and regulations concerning the provision of electrical
installations.
WARNING
. Risk of electric Shock. Ensure that the electrical supply is
isolated before beginning any installation.
WARNING:
RISK OF FIRE. Do not interchanges the power terminal block
designated L1, L2 and L3 with Low voltage terminal block designated 1, 2 and 3.
The installation engineer must ensure the following:
Use of copper power conductor 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.
The ground conductor should be equipped with ring terminal and should be
connected directly to the electrical panel on the indicated location.
Humidifier cabinet has an uninterrupted or unbroken electrical ground.
(Fig. 15)
!
L1
L3
L2
Electrical panel SK300-XL
