systemair DHS Roof Fans Centrifugal Roof Fan With Horizontal Discharge Owner’s Manual

: May 15, 2024
: systemair

Table of Contents

systemair DHS Roof Fans Centrifugal Roof Fan With Horizontal Discharge
Specifications
Product Usage Instructions
FAQ
PRODUCT FEATURES
Technical parameters
Performance
Ecodesign
Dimension
Wiring
Accessories
Documents
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

systemair DHS Roof Fans Centrifugal Roof Fan With Horizontal Discharge

systemair-DHS-Roof-Fans-Centrifugal-Roof-Fan-With-Horizontal-Discharge-
fig-1

Specifications

Model: DHS 560DS
Item Number: #36130
Operating Mode: 400V 3~ 50Hz
Construction: Sea water resistant aluminium casing, galvanised steel base frame
Motor: AC motor suitable for 50Hz and 60Hz
Impeller: Radial impeller with backward curved blades
Control: Can be controlled by 5-step, stepless speed regulator, D/Y switch, or frequency converter
Weight: 57.5 kg
Motor Type: AC

Product Usage Instructions

Installation:
The DHS fans are designed for outside installation. Ensure proper mounting and secure the fan in place according to the installation instructions provided.

Operation:
Before operating the fan, ensure that all connections are secure and the power supply matches the required specifications (400V 3~ 50Hz). Use the appropriate control method to adjust the fan speed as needed for your application.

Maintenance:
Regular maintenance is essential to ensure optimal performance. Check for any dust or debris accumulation that may obstruct airflow and clean the fan regularly. Inspect motor components for signs of wear and tear and replace if necessary.

Safety Precautions:
Always disconnect the power supply before performing any maintenance tasks on the fan. Do not operate the fan if there are any visible damages or irregularities. Keep the fan out of reach of children and pets.

FAQ

Can the DHS fans be used for indoor installations?
No, the DHS fans are specifically designed for outside installation only.
What type of motors do the DHS fans come with?
The DHS fans are delivered with AC motors that are suitable for both 50Hz and 60Hz operation.
How can I control the speed of the fan?
The AC motors can be controlled using a 5-step regulator, stepless speed regulator, D/Y switch, or frequency converter.

PRODUCT FEATURES

Flexibility
- The DHS fans are intended to use for extract air with horizontal discharge.
- The fans are designed to handle high volumes at medium pressure without generating excessive noise.
Reliability
- The casing made out of seawater resistant aluminium with an inside galvanised steel frame is hard-wearing.
- The combination of casing and motor construction ensures to minimize the need for maintenance of the fans and allows long continuous operation.
Performance
The sound optimized impellers together with high efficient external rotor motors are designed to ensure high-level performance to minimize power consumption and maximize efficiency.
Accessories
DHS fans can be selected together with variety types of accessories as roof sockets, tilting devices, dampers, etc.
Construction
The Casing is made from sea water resistant aluminium. Base frame manufactured from galvanised steel with integrated inlet cone. Integrated bird guard manufactured from powder coated, galvanised steel or sea water resistant aluminium.
Impeller
The DHS fans use radial impeller with backward curved blades. These are made out of high-performance composite material or aluminum, dynamically balanced and paired with corresponding external rotor motors.
Motor
DHS fans are delivered with AC motors. Motors are suitable for 50Hz and 60Hz.
Motor protection
Depending on the type, AC motors have an integrated thermal protection with manual (electrical) reset, prewired integral thermocontact TK or thermistor PTC with leads to a motor protection device.
Control
AC motors can be controlled by 5- step, stepless speed regulator, D/Y switch or frequency converter.
Installation
The DHS fans are for outside installation.

Technical parameters

Nominal data
- Voltage (nominal) 400 V
- Frequency 50 Hz
- Phases 3~
- Motor circuit connection D; Y
- Input power 697 W
- Input power kW 0.697 kW
- Input current 1.51 A
- Impeller speed 887 rpm
- Air flow max 2.2203 m³/s
- Temperature of transported air max 60 °C
- Max temperature of transported air, when speed controlled 60 °C
Protection/Classification
- Enclosure class, motor IP54
- Insulation class F
Data according to ErP
- ErP ready ErP 2018
Dimensions and weights
- Weight 57.5 kg
Others
- Motor type AC

Performance

Performance curve

systemair-DHS-Roof-Fans-Centrifugal-Roof-Fan-With-Horizontal-Discharge-
fig-2

Hydraulic data|
---|---
Required air flow| 1.33 m³/s
Required static pressure| 237 Pa
Working air flow| 1.33 m³/s
Working static pressure| 237 Pa
Air density| 1.204 kg/m³
Power| 695.9 W
Fan control – RPM| 887 rpm
Current| 1.50 A
SFP| 0.522 kW/m³/s
Supply voltage| 400 V
Sound power level| | 63| 125| 250| 500| 1k| 2k| 4k| 8k| Total
---|---|---|---|---|---|---|---|---|---|---
Inlet| dB(A)| 34| 54| 66| 67| 67| 61| 56| 51| 72
Outlet| dB(A)| 36| 55| 67| 69| 69| 62| 58| 53| 74

Ecodesign

Product
- Trade name Systemair
- Product name DHS 560DS sileo roof fan
Ecodesign
- ErP compliance 2016/2018
- Unit category NRVU
- Drive External MSD or VSD
- Unit type UVU
- Heat recovery type None
- Temperature ratio (UVU) Not applicable
- qv nom 1.3322 m³/s
- P nom 0.696 kW
- Ps nom 237 Pa
- Fan efficiency 45.4 %
- External Leakage 0 %
- Sound power (LWA) 74 dB(A)