NuAire AV55-MSS Installation And Maintenance Manual Download Page 1

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24. 02. 22. Document Number  671572

Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk

AVS

Indoor Use Single Fans with Ecosmart Control  

Installation Manual

1.0 SAFETY INFORMATION

• 

The provision of the electrical supply and the connection of the unit to the electrical supply must 
be carried out by a qualified electrician.

• 

Isolate from power supply before removing any covers. During installation / maintenance ensure 
all covers are fitted before switching on the mains supply. 

• 

All-pole disconnection from the mains as shown in the wiring diagram must be incorporated 
within the fixed wiring and shall have a minimum contact separation of 3mm in accordance with 
latest edition of the wiring regulations.

• 

This unit must be earthed.

• 

Ducting must be securely fixed with screws to the spigot to prevent access to live parts. Duct 
runs terminating close to the fan must be adequately protected by suitable guards.

• 

This appliance should not be used by children or persons with reduced physical, sensory or 
mental capabilities or lack of experience and knowledge, unless they have been given supervision 
or instruction concerning the safe use of the appliance by a person responsible for their safety. 
Children shall not play with the appliance. Cleaning and user maintenance shall not be carried 
out by children.

1.1 Symbols

 

GENERAL WARNING 

 

 

Signifies a general warning regarding hazard specified by supplementary information.

 

ELECTRIC SHOCK

 

 

 

This unit must be completely electrically isolated before any panels are removed. Check  

 

 

mains supply and control connections. 

 

ROTATING PARTS 

 

 

 

This unit contains fast moving rotational parts which may start automatically. It is the  

 

 

sole responsibility of the installer to adequately guard these components.

 

REFER TO INSTRUCTION MANUAL

 

 

 

Read and understand the installation and maintenance manual before installing,    

 

 

operating or maintaining this product.

1.2 Important Information

This manual contains important information on the safe and 
appropriate assembly, transport, commissioning, operation, 
maintenance, disassembly and simple troubleshooting of the product.

While the product has been manufactured according to the accepted 
rules of current technology, there is still a danger of personal injury or 
damage to equipment if the following general safety instructions and 
the warnings contained in these instructions are not complied with.

Read these instructions completely and thoroughly before 
working with the product.

Keep these instructions in a location where they are accessible 
to all users at all times.

Always include the operating instructions when you pass the 
product on to third parties.

Summary of Contents for AV55-MSS

Page 1: ...l not play with the appliance Cleaning and user maintenance shall not be carried out by children 1 1 Symbols GENERAL WARNING Signifies a general warning regarding hazard specified by supplementary information ELECTRIC SHOCK This unit must be completely electrically isolated before any panels are removed Check mains supply and control connections ROTATING PARTS This unit contains fast moving rotati...

Page 2: ...sembly positioned in series for optimum performance Units incorporate fully detachable top or bottom panels for maintenance and inspection purposes AVS 1 units have a loose control module for surface mounting up to 1 metre away from main unit AVS 8 and 9 units incorporate split access panels 2 1 Code Description 1 2 3 4 AV S CP 1 1 Range Aire Volve 2 Fan Type S Single Fan 3 Constant Pressure CP Co...

Page 3: ...mounting feet supplied with access panel positioned for underside access Figure 2 3 4 5 Vertically Wall Mounted Rigid Units Utilising the Aire Volve Vertical Hanging Bracket kit that includes wall hanging brackets and hinges Figures 5 and 6 The unit case has captive M8 nuts which can be used after removing the M8 plugging screws Units should always be positioned with sufficient space to allow the ...

Page 4: ...talled NAV 2 5 Floor Mounted Application 4 7 Dimensions mm Weights kg 4 7 1 AVS Units 12 AVS Dimensions A C D B B1 A1 Unit Code A A1 Bracket Centre Points B B1 Bracket Centre Points C D Weight kg AVS1 580 344 535 576 246 200 27 AVS2 615 380 535 646 281 200 24 AVS3 745 510 672 713 329 250 43 AVS4 788 553 672 713 373 315 47 AVS4L 914 678 818 860 391 315 67 AVS5 914 678 818 860 428 315 66 AVS6 1087 8...

Page 5: ...3 AVS7 MSS Standard 1000 1013 575 41 AVS7 MSL Large 1500 1013 575 98 AVS8 AVS8 MSM Mini 500 1237 615 51 AVS8 MSS Standard 1000 1237 615 83 AVS8 MSL Large 1500 1237 615 114 AVS9 AVS9 MSM Mini 500 1237 615 51 AVS9 MSS Standard 1000 1237 615 92 AVS9 MSL Large 1500 1237 615 125 4 8 Unit Access Unit can be installed inverted for ease of access to control e g control opposite side If inverted it will re...

Page 6: ...ncer Floor Mounted Unit And Inlet Silencer 17 Silencer Alignment Brackets 18 Installed AVS Silencer 4 10 AVSCP Constant Pressure Range Ecosmart constant pressure extract fans are supplied to control the static pressure at the fan inlet This set up is suitable for the majority of applications However when ancillaries with high pressure losses are fitted to the fan s inlet side the low pressure tapp...

Page 7: ... Ecosmart devices Min Max SL run on Trickle 0 1 Link wire see note Test Connection ES CO2 BMS Input Signal 0V 0 10V Ecosmart Pwr Standby Fan 1 Heating Fan 2 Cooling Fault TX RX Frost N L SL DP CL N RET Heat Demand Run Fault N L1 L3 L2 L3 L2 L1 N 400V 3ph 50Hz Supply Local isolator by others E 21 AVS9 Wiring Diagram 5 1 3 Control Module Volt Free Contact RUN signal 0 5A inductive 5A resistive Volt ...

Page 8: ... minute before starting If a damper is not fitted connect a link wire from OP to RET This will cancel the delay 25 Drive Open Drive Close Damper Connection All wiring is 1PH 230V 50Hz A fan starting delay of 1 minute is imposed to the enable the damper to open To override the delay fit a link here 230V motor OP CL N RET 2 S4 S6 1 26 Drive Open Spring Close Damper Connection All wiring is 1PH 230V ...

Page 9: ...cosmart products and will have indicators for functions that are not available in this particular fan However these indicators will not be illuminated A Commissioning Procedure document Document No 671153 is available on request from Nuaire 29 Commissioning Panel Details LED indicators Max Min Trickle Test 1 0 Pwr Standby Fan 1 Fan 2 Heating Cooling Fault Frost Tx Rx MIN Minimum speed adjustment M...

Page 10: ...Annually Thoroughly inspect the unit and its components for corrosion acting immediately to treat restore any damaged areas All electrical terminals within the unit should be tightened Check all earth connections Check control dampers blades Check operation of damper actuators and linkages and adjust as necessary 8 0 WARRANTY The 5 year warranty starts from the day of delivery and includes parts a...

Page 11: ...11 24 02 22 Document Number 671572 Nuaire Western Industrial Estate Caerphilly CF83 1NA nuaire co uk AVS Installation Manual NOTES ...

Page 12: ...12 24 02 22 Document Number 671572 Nuaire Western Industrial Estate Caerphilly CF83 1NA nuaire co uk AVS Installation Manual NOTES ...

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