Master Spas INT MP FORCE Owner's Manual page 47

ELECTRICAL REQUIREMENTS
MS50E Hook-Up
As Manufactured: Single Service, TN and TT Electrical Systems (1x16 Amp or 1x32 Amp)* 3 Wires
(1 Line + 1 Neutral + 1 Protective Earth). Protective Earth wire (Green/Yellow) must be connected
to system ground terminal as marked. All equipment (pumps, heater, etc.) runs on service line L1.
Heat Disable dip switches must be evaluated to prevent the swim spa maximum ampacity from
exceeding the service maximum ampacity. Dip switch settings should not be changed from factory
settings in this configuration.
This option is configured and shipped as the default.
Figure 6
230V 2 phase / 2x16A:
* Must be sized to swim spa specification. Swim spa rated maximum ampacity cannot exceed the
service maximum ampacity. This does not represent an option to the Installer.
NOTE: Actual wiring of RCD will vary by manufacturer of RCD. Improper wiring of RCD
may result in permanent damage to swim spa control pack. Repair / replacement of swim
spa system box is not covered under warranty when damage results from improper wir-
ing. Actual wire attachment points on the Swim Spa Control Pack may vary. Always refer
to the wiring diagram inside the Swim Spa Control Pack for proper power connection.
DO NOT DIVE. DO NOT DIVE.
Ground
Blue N
Brown L1
230V 3 phase / 3x16A:
3
45 5
1
2
3
4