Crane Plumbing 8XSE-HA operation manual Power Cable to Lift Pump, Control Cable to Lift Pump

If a rigid conduit is used to install the pump it must meet Class I, Division 1 requirements of the National Electrical Code. Conduit must be stainless steel or coated metal, resistant to sewage water.

C-3) Liquid Level Controls: Intrinsically Safe

WARNING ! - Level control floats used within the hazardous location, must be in an intrinsically safe control circuit suitable for use in CLASS I,

GROUPS C & D, HAZARDOUS LOCATIONS.

The level controls are to be supported by a mounting bracket that is attached to the sump wall, cover or junction box. Cord grips are used to hold the cords in place on the mounting bracket. The control level can be changed by loosening

the grip and adjusting the cord length as per the plans and specifications. Be certain that the level controls cannot hang up or foul in it’s swing and that the entire pump is still submerged when the level control is in the “Off” mode.

A Warrick Control® intrinsically safe relay, Series 27, is an acceptable panel mounted relay, providing the relay is properly installed and maintained.

The primary (A.C. supply line) circuit is not intrinsically safe, therefore the relay must be located in a “SAFE” location (a place that is not classified as a hazardous location). The secondary circuit is intrinsically safe, however, any splice must be made in a “SAFE” location and any control cord that is cut or damaged must be replaced immediately.

C-3.1) Level Control Float System:

It is recommended to use a two float, on and off, level control system. An additional float, incorporated with an alternator switching system will be required for a duplex system. A high level alarm may be required to alert maintenance personnel. A low level cut off may be required to provide system shutdown if the main level control system malfunctions. The off or low level float should be positioned so that the liquid level never drops below the minimum submergence level.

C-4) Electrical Connections:

WARNING! - All model pumps and control panels must be properly grounded per the National Electric Code or Canadian Electric Code, state, province and local codes. Improper grounding voids warranty.

All electrical controls and motor starting equipment must be installed outside the hazardous area unless approved explosion proof controls are used.

C-4.1) Power Cable:

The cord assembly mounted to the pump must not be modified in any way except for shortening to a specific application. Any splice between the pump and the control panel must be made in accordance with all applicable electric codes. It is recommended that a junction box (if used) with seal fittings be mounted outside the sump or be of at least Nema 7 (EEMAC-7) explosion proof construction if located within the wet well. A UL listed seal fitting MUST be used in conduit leaving the hazardous location. DO NOT USE THE

POWER CABLE TO LIFT PUMP.

C-4.2) Control Cable:

The cord assembly mounted to the pump must not be modified in any way except for shortening to a specific application. Any splice between the pump and the control panel must be made in accordance with all applicable electric codes. It is recommended that a junction box (if used) with seal fittings be mounted outside the sump or be of at least Nema 7 (EEMAC-7) explosion proof construction if located within the wet well. A UL listed seal fitting MUST be used in conduit leaving the hazardous location. DO NOT USE THE

CONTROL CABLE TO LIFT PUMP.

C-4.3) Wire Size:

If additional cable is required consult a qualified electrician for proper wire size. See table for further electrical information.

THREE PHASE, 200-230 VOLT AC

Power Cable	Motor Lead Number
Green (Ground)	Green
White	2 & 8
Red	3 & 9
Black	1 & 7
	4, 5 & 6 Together

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