Stage 8 -Electrical Supply And Installation - Neptronic SKG3 Series Installation Instructions Manual

Electrical Power
The SKG3 Steam Humidifier requires a 120, 208 or 240V single phase supply.
Supply
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. Disconnect switch should be installed typically within one meter of the
humidifier.
The isolator must have a contact separation of at least 1/8'' (3mm).
All work concerned with electrical installation MUST only be performed by skilled and
Electrical
qualified technical personnel (e.g. electrician or technicians with appropriate
connection
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
commencing any installation.
The installation engineer must ensure the following:
Electrical Power supply
control interface terminal
Top view of the Humidifier without top cover
Stage 8 –Electrical Supply and Installation
Model
SKG3
110, 155, 180, 210
SKG3
265, 310, 350, 405
SKG3
505, 560, 610
SKG3
710, 765, 810
•
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.
•
Humidifier cabinet has an uninterrupted or unbroken electrical ground.
Do not use gas piping as an electrical ground.
Flue gases
Fuse
outlet
(Fig. 31)
SKG3 Steam Humidifier
Voltage (V)
120 – 1ph
208 – 1ph
240 – 1ph
120 – 1ph
208 – 1ph
240 – 1ph
120 – 1ph
208 – 1ph
240 – 1ph
120 – 1ph
208 – 1ph
240 – 1ph
Power supply
terminal block
L
24
Current (A)
5.8
3.5
3.0
8.0
4.7
4.0
10.0
6.0
5.0
12.0
7.0
6.0
N
GND
L N
(Fig. 32)