Elta Quietflow SQS Series User Manual

Quietflow SQS
Installation and Maintenance Instructions
THESE INSTRUCTIONS MUST BE READ FULLY BEFORE
COMMENCING INSTALLATION
Code Supply FL Amps Output kW r/min
SQS125-L 230V/1Ph/50Hz 0.47 0.100 1700
SQS150-L 230V/1Ph/50Hz 0.82 0.165 1750
SQS200-L 230V/1Ph/50Hz 0.82 0.185 1500
SQS250-L 230V/1Ph/50Hz 0.95 0.220 1520
SQS315-11L 230V/1Ph/50Hz 1.20 0.250 1220
SQS315-L 230V/1Ph/50Hz 3.10 0.650 1350
SQS315-33L 230V/1Ph/50Hz 3.70 0.840 1300
SQS400-L 230V/1Ph/50Hz 6.50 1.400 1220
SQS500-L 230V/1Ph/50Hz 8.50 1.500 750
Code A B C D F G Weight kg
SQS125-L 400 375 210 125 200 425 12
SQS150-L 425 500 260 150 225 550 16
SQS200-L 425 500 260 200 225 550 17
SQS250-L 475 550 300 250 275 600 19
SQS315-11L 575 700 440 315 375 750 34
SQS315-L 575 700 440 315 375 750 34
SQS315-33L 650 700 440 315 375 750 34
SQS400-L 700 800 460 400 500 850 46
SQS500-L 850 900 570 500 650 950 58

Elta Quietflow SQS Series Specifications

General

Impeller	Backward curved
IP Rating	IP44
Housing Material	Galvanized steel
Voltage	230V
Frequency	50 Hz
Sizes	150 mm
Special Features	Low noise, energy efficient

Summary

General Information and Safety

Adherence to Instructions

Emphasizes the importance of following installation and maintenance instructions for the unit.

Qualified Personnel

Electrical installation must be performed by qualified and competent personnel following current statutory requirements.

Scope of Instructions

These instructions cover Elta Fans Ltd product only, excluding safety equipment like guarding.

Installation Dependency

Elta Fans Ltd declarations depend on installations meeting relevant Standards and Directives.

Operating Conditions

Fan designed for -20°C to +40°C ambient temperature, 95% humidity; not for corrosive atmospheres.

Installer Responsibilities

Ensure easy access for maintenance and adequate support for the fan unit.

Product Use Limitation

Not for persons with reduced capabilities; children must be supervised.

Installation Procedures

Pre-Installation Checks

Visually inspect for damage upon receipt and ensure the impeller rotates freely.

Queries and Contact

Contact Elta Fans Ltd for any queries regarding the fan equipment before installation.

Mounting

Securely mount the fan in the desired position, which can be at any angle.

Power Supply Verification

Check motor rating plate for correct voltage, frequency, and phase supply availability.

Electrical Connections

Refer to wiring diagram, ensure earth connections are made, and incorporate means for disconnection.

Exhaust Discharge Location

Locate discharge to avoid backflow of gases into rooms from fuel-burning appliances.

Start-Up and Maintenance

Pre-Power Checks

Verify correct wiring as per the fan connection diagram before supplying power.

Initial Start-Up Checks

Confirm impeller rotation, airflow direction, and motor amperage draw against nameplate rating.

Routine Fan Maintenance

Inspect motor, blades, and guards every 12 months for cleanliness; remove dust with non-abrasive cleaner.

Fastening and Bearing Checks

Check all fastenings for tightness and rotating items; bearings are sealed for life.

Thermal Contact Warning

Fan has auto-reset thermal contact; may start unexpectedly after cooling down.

Guarantee Information

Warranty Terms

Elta Fans Ltd offers free repair or replacement for defects within 1 year of despatch.

Return Procedure

Goods with defects must be returned to Elta Fans Ltd carriage paid for examination.

Company Contact Details

Provides contact information including address, website, email, and phone numbers.