Hydro Solo-E Series

Brand /
Grundfos

CR pump fitted with isolating valves, discharge manifold, pressure transducer, pressure gauge and diaphragm tank.

Power0.5 - 10 HP

A Hydro Solo-E system consists of a CR pump which is a non-self-priming, vertical multistage centrifugal pump. The pumps are availables with a Grundfos standard motor (CR pumps) or a frequency-controlled motor (CRE pumps). All pumps are equipped with a maintenance-free cartridge mechanical shaft seal.

Construction

On the discharge side of the pump is fitted a stainless steel discharge pipe, a check valve, an isolating valve and a pressure transducer

A pressure gauge is also present in the system to measure the discharge pressure

A frequency controlled motor (Grundfos MLE motor) drives the CR pump for 1 phase 230V (1/2-1 ½ Hp) and 3 phase 460V (2-10 Hp) versions of Hydro Solo-E booster sets

All other 3 phase versions of Hydro Solo-E booster sets come with a CR pump driven by an externally mounted Variable Frequency Drive (VFD)

Installation

A Hydro Solo-E booster set must be installed in a well ventilated room to ensure sufficient cooling for the pump. Hydro Solo-E is not suitable for outdoor installation

The booster set should be placed with sufficient clearance around it

3 phase versions must have a disconnect ON/OFF switch for the supply voltage, which is not provided as a standard item with the unit. The main components of the Hydro Solo-E include the pump, motor and the Variable Frequency Drive

Motor
Grundfos standard motors – With external VFD

3 x 208-230V, 3 x 460V (15-30Hp), 3 x 575V

CR, CRI and CRN in a Hydro Solo-E system pumps are fitted with a Grundfos specified motor. The motors are all heavy-duty 2-pole, NEMA C-frame

Frequency-controlled motors – MLE motors (integrated VFD)

1 x 230V and 3 x 460V (2-10Hp)

CRE and CRIE pumps in a Hydro Solo-E system are fitted with a totally enclosed, fan-cooled, 2-pole frequency-controlled motor

Electric data
Grundfos Standard Motor / 3 phase

Frequency Controlled motors / MLE motors - 1 phase and 3 phase

Overview of the External Variable Frequency Drive (VFD)
Benefits

Eliminates control valves and problematic pressure storage tanks

Harmonic distortion protection built in

Lower energy consumption

Less pump noise

Easy to set up and operate

Comprehensive protection of drive, motor and pump Equipment

Reduced maintenance

Eliminates current in-rushes on the AC line

Protection from extreme voltage and temperature conditions

Features highlights

Sleep mode automatically stops and starts the drive as determined by user-programmed levels at low demand - saves additional energy and reduces wart on drive pump components

Electronic thermal relay provides motor overload protection

AEO (Automatic Energy Optimizer) reduces energy consumption and audible motor noise

Fast response time for control inputs

Standard protection features includes phase-to-phase short; phase-to-ground short; input and output protection

Built-in DC link introductors reduce hormonics

Built in H-O-A (Hand-Off-Auto) switch function on keypad

Alarm, warning and on LEDs indicate drive status

Technical data

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HydroSolo_E1 - (462.3 Kb)
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HydroSolo_E10 - (395.8 Kb)
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HydroSolo_E15 - (398.4 Kb)
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HydroSolo_E20 - (400.2 Kb)
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HydroSolo_E3 - (444.4 Kb)
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HydroSolo_E32 - (335.3 Kb)
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HydroSolo_E45 - (359.6 Kb)
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HydroSolo_E5 - (433.7 Kb)
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HydroSolo_E64 - (322.8 Kb)
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HydroSolo_E90 - (317.9 Kb)

Brochure

BrochureGrundfos Hydro-Solo E Brochure
Grundfos Hydro-Solo E Brochure - (1.9 Mb)

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Implementation

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