Grundfos CRE Instructions

5.11 Indicator lights and signal relay
The operating condition of the pump is indicated by the green and red indicator lights fitted on the pump control panel and inside the terminal
box. See the figure below.
1
2
TM028513
1
2
TM029036
1
2
TM039063
Pos. Description
1 Green
2 Red
Position of indicator lights
Besides, the pump incorporates an output for a potential-free signal via an internal relay.
For signal relay output values, see the section on signal relay.
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English (US)

Grundfos CRE Specifications

General

Protection Class	IP55
Material	Stainless Steel
Applications	Water supply, pressure boosting, irrigation
Impeller Material	Stainless Steel
Pump Housing Material	Stainless Steel
Connection Size	DN32 to DN200 (depending on model)
Power Supply	3-phase
Control	Integrated frequency converter