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(0.45 m) 54'' (1.35 m) Field wiring Connect condensate (by others) hose to humidifier (back knockout hole) Or to open drain Field piping (by others) (0.10 m) 78'' (2 m) Illustration 2 - Remote SDU Installation www.neptronic.com Page | 3...
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½” condensate hose (not supplied) on the fitting. Use a hose clamp (not supplied) on each end of the hose to secure the connection. Remove the plug Connect the condensate hose Illustration 3 - Condensate Hose Installation www.neptronic.com Page | 4...
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2) Secure the front cover onto the remote SDU mounting bracket by fastening it with 6x M4 x 0.7 screws (supplied). Side Cover Side Cover Mounting Bracket Front Cover Illustration 4 - Remote SDU Cover Installation www.neptronic.com Page | 6...
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Ensure that the ground conductor is equipped with a ring terminal and is connected directly to the electrical panel. Table 3 - SDU Power Supply Specifications Amperage (A) Model 230V/1ph 400V/1ph SKE4-E05 SDU4-1 SKE4-E10 SDU4-2 SKE4-E20 SKE4-E30 SDU4-3 SKE4-E40 www.neptronic.com Page | 7...
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White Black Fuse SDU Relay Ground Black Orange Blue Purple Humidifier SDU Terminal Terminal Block Block Wiring by others Illustration 6 - Wiring for SDU4-2 Model at 230V (1ph) or all SDU Models at 400V (1ph) www.neptronic.com Page | 8...
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