Grundfos UPS 43-100 User Manual

GRUNDFOS INSTRUCTIONS
Grundfos UP XL
Maintenance-free circulators
with insulating shell (if equipped)
Installation and operating instructions
3191277
Conforms to UL STD 514C
Certified to CSA STD C22.2 No. 18.2

Grundfos UPS 43-100 Specifications

General

Brand	Grundfos
Model	UPS 43-100
Category	Water Pump
Language	English

Summary

Grundfos UP XL Installation and Operating Instructions

Safety Warning

Electrical work

Requirements for qualified electricians and proper grounding for safe operation.

Pre-Installation Checklist

Confirm you have the correct pump

Verify electrical requirements

Confirming voltage, phase, and frequency match pump specifications.

Pumped liquid requirements

Specifying acceptable fluids, temperatures, and hardness for pump operation.

Installation Procedures

Piping considerations

Changing the Terminal Box Position

Electrical Connection

Starting the Pump

Vent the piping system

Speed selection

Fault Finding

Fault finding chart

A table listing common pump faults, their causes, and recommended remedies.

Preliminary checks

Current measurement

Insulation resistance (lead-to-ground)

Winding resistance (line-to-line)

Replacing Components

Removing the pump head

Step-by-step instructions for safely detaching the pump head from the pump housing.

Fitting the Pump Head

Guide for correctly installing a new pump head, ensuring proper seating and rotor movement.

Replacing the Terminal Box or Capacitor