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8

27. 11. 17. Leaflet Number 671721

Technical or commercial considerations may, from time to time, make it necessary to alter the design, performance and 

dimensions of equipment and the right is reserved to make such changes without prior notice.

10.0  Replacement  of Parts

Should any component need replacing Nuaire keep extensive

 

stocks

 

for  quick delivery. Ensure that  the unit  is  electrically  isolated, before

 

carrying  out  any  work.
Note: The supply  cable must  be replaced  by  an  electrically 
competent

 

person. 

When  ordering  spare parts, please quote the serial number  of  the

 

unit  and  the ARC  number of  the purchase if  possible.

(This information will  be available on the fan label).

11.0 Warranty

The 5 year warranty starts from the day of delivery and includes parts 
and labour for the first year and parts only for the remaining 4 years. 

This warranty is void if the equipment is modified without 
authorisation, is incorrectly applied, misused, disassembled, or not 
installed, commissioned and maintained in accordance with the 
details contained in this manual and general good practice. 

The product warranty applies to the UK mainland and in accordance 
with Clause 14 of our Conditions of Sale. Customers purchasing from 
outside of the UK should contact Nuaire International Sales office for 
further details.

12.0 After Sales Enquiries

For technical assistance or further product information, including 
spare parts and replacement components, please contact the After 
Sales Department.

Te

lephone

 02920

 

858

 

400

Installation and Maintenance

The WH1 Wall Mounted Range of Units

Summary of Contents for Ecosmart MRXBOX95-WH1-1Z

Page 1: ...opriate authority and conforming to all statutory governing regulations All mains wiring must be in accordance with the current I E E Regulations or the appropriate standards Ensure that the mains supply Voltage Frequency and Phase complies with the rating label Please allow a minimum of 430mm in front of the enclosure for MRXBOX95 WH1 models and 360mm for MRXBOX95AB WH1 units The fan must be inst...

Page 2: ...nd the cover plate slid along the length to bond against the base panel of the enclosure preventing noise breakout fig 7 Figure 7 1 The condensate must be discharged under a water level in a U trap drainpipe or an alternative drain method which acts as an airlock 2 If using a U trap please ensure the U trap has been filled to a suitable level of water to avoid any air locks 3 If the condensation p...

Page 3: ...et duct and the air outlet duct from the unit these ducts should be insulated Ducting must be installed in such a way that resistance to airflow is minimised Bends should be kept to a minimum A minimum distance of 300mm between the appliance and any bends in ductwork is recommended Ideally 150mm diameter or 220 x 90mm rectangular ducting should be used Refer to dwelling design drawing figure 10a a...

Page 4: ...sanitary accommodation should be omitted from the step 2 calculation Step 3 The required airflow rates are as follows n the maximum whole dwelling extract ventilation rate e g boost should be at least the greater of step 1 and step 2 Note that the maximum individual room extract rate should be at least those given in table 1 for minimum high rate n the minimum air supply rate should be at least th...

Page 5: ...pply duct Air supply to lounge via Air Valve in ceilings Extract air from kitchen bathroom via Air Valve in ceilings Air supply to bedrooms via Air Valve in ceilings Top of ceiling void Top of ceiling void Air supply to bedrooms via Air Valve in ceilings Insulated extract duct Insulated extract duct Minimum distance as specified in building regulations MVHR DRAIN Condensate drain uninsulated drain...

Page 6: ...ion to Remote Fail Indicator Ref MRXBOX95 RFI Optional 3 2 Figure 11a Note Wiring is for reference purposes only as the connections in fig 11a are factory fitted The unit is pre wired with a 2 metre fly lead Disconnection from the supply mains must be incorporated within the fixed wiring in accordance with the wiring regulations and shall have a minimum contact separation of 3mm Disconnection from...

Page 7: ...l covering the control has an adhesive panel which should be removed post commissioning to prevent tampering 8 Speed 1 is limited to never exceed the speed 2 when commissioning the speed 2 should always be set first 6 1 Speed 3 The unit has to ability to override both speed 1 and speed 2 to operate the fan to maximum airflow See wiring diagram for details of operating this facility 6 2 Humidity ad...

Page 8: ...arranty The 5 year warranty starts from the day of delivery and includes parts and labour for the first year and parts only for the remaining 4 years This warranty is void if the equipment is modified without authorisation is incorrectly applied misused disassembled or not installed commissioned and maintained in accordance with the details contained in this manual and general good practice The pr...

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