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AFTER INSTALLATION THE END USER SHOULD 

KEEP THIS GUIDE FOR FUTURE REFERENCE

DO NOT 

THROW AWAY

2

Wiring Regulations

All wiring must comply with Building Regulations and the current 

IET Wiring Regulations (BS7671 in the UK) or equivalent standards 

for other countries. The final installation should be examined and 

tested by a qualified electrician. 

Electrical Connection

The unit requires a continuous electrical power supply through a 

residual current device (RCD) having a rated residual operating current 

not exceeding 30mA. Connection to the fixed wiring must be made 

outside the unit in a suitable location. The unit must be earthed and 

a double pole switch with a minimum contact separation of 3.0mm 

must be used to provide insulation for the unit. The unit must be 

able to be disconnected from the mains supply after installation. 

When wiring the unit, the included unswitched fuse spur should be 

incorporated in the fixed wiring.
The power supply cable running into the unit must remain the 

supplied flexible cable (not a solid core lighting cable). If the power 

supply cable becomes damaged, it must be replaced by EnviroVent, 

an authorised service agent for your region/country, or a similarly 

qualified person in order to avoid a hazard. Do not remove or tamper 

with any electronic components inside the product.

Users

The unit is not intended for use by persons (including children) with 

reduced physical, sensory or mental capabilities or lack of experience 

and knowledge, unless they have been given supervision and usage 

instruction by a person responsible for their safety. Children should 

be supervised to ensure they do not play with the unit. Cleaning and 

user maintenance must not be performed by children.

Summary of Contents for MIV AIR SOURCE

Page 1: ...PIV MIV AIR SOURCE INLINE VENTILATION UNIT INSTALLATION GUIDE AFTER INSTALLATION THE END USER SHOULD KEEP THIS GUIDE FOR FUTURE REFERENCE DO NOT THROW AWAY...

Page 2: ...unobstructed path away from any smoke detectors If the diffuser cannot be repositioned up to two sides can be closed using the plastic blanking plates In this configuration the open sides must face a...

Page 3: ...unit must be able to be disconnected from the mains supply after installation When wiring the unit the included unswitched fuse spur should be incorporated in the fixed wiring The power supply cable r...

Page 4: ...rce Inline 01423 859 395 SHOULD YOU ENCOUNTER ANY PROBLEMS INSTALLING THIS UNIT CALL US ON 3 Diagrams PIV AIR SOURCE 200 mm 406 mm 479 mm 406 mm 479 mm 100 mm MIV AIR SOURCE 406 mm 576 mm 150 mm to at...

Page 5: ...AFTER INSTALLATION THE END USER SHOULD KEEP THIS GUIDE FOR FUTURE REFERENCE DO NOT THROW AWAY 4 PIV 200 mm 406 mm 150 mm 576 mm MIV INLINE 100 mm 576 mm 150 mm 406 mm 200 mm 406 mm 406 mm 100 mm...

Page 6: ...2 Airflow 2 3 Airflow 3 4 Airflow 4 5 Temperature 190 C 6 Temperature 190 C 7 Temperature 250 C 8 Top button 9 Numeric Display 10 Bottom button Use one of three options to connect the inline duct to t...

Page 7: ...UTURE REFERENCE DO NOT THROW AWAY 6 WIRING The local isolator must be connected to the mains as part of the fixed wiring Connect the N L and E cores of the power cable to the matching terminals on the...

Page 8: ...am pads 4x Washers 4x Screws 10g x 3 4x Screws 10g x 1 5 4x Screws 8g x 1 5 panhead 4x Screws 8g x 1 countersunk 4x Plasterboard plugs 2x 200mm duct fixings 1x 150mm duct fixing MIV Air Source box con...

Page 9: ...hrough the loft is undamaged Seek building advice if any are damaged or broken Repair any ceiling gaps which allow air leakage into the loft Ensure any loft water storage tanks are covered and sealed...

Page 10: ...s two 100mm diffusers to provide airflow to separate locations within the building It is normally required for applications where a The hallway is small b Limited heating is available c The loft hatch...

Page 11: ...below the required ceiling diffuser position and check the ceiling below and loft space above are unobstructed 2 a For PIV units mark a 222mm diffuser hole using the template 2 b For MIV units mark tw...

Page 12: ...battens using the four 10g x 1 5 screws Battens not supplied 4 b Position the unit with anti vibration pads and washers onto the loft ceiling joists as in the diagram 4 c Screw the unit to the ceiling...

Page 13: ...diffuser and seal the connection using the fixings supplied 7 Insert the diffuser spigot into the hole then fix it in place Use the four plasterboard plugs and four 8g x 1 5 panhead screws do not use...

Page 14: ...the unit 2 Connect to the filter with a section of flexible duct approximately 300mm long not supplied The connection must be removable to allow the filter to be replaced Connect this to an external...

Page 15: ...6 Use two of the 8g x 1 screws to attach the spur to a loft joist 11 Non remote control units can be wired to a heater enable switch included Connect it to the heater enable cable and fit it in an acc...

Page 16: ...SMOKE 125 PIV smoke kit with 1x 125mm diffuser KIT PIV SMOKE 150 PIV smoke kit with 1x 150mm diffuser KIT PIV SMOKE 200 PIV smoke kit with 1x 200mm diffuser KIT MIV SMOKE 125 MIV smoke kit with 2x 12...

Page 17: ...AFTER INSTALLATION THE END USER SHOULD KEEP THIS GUIDE FOR FUTURE REFERENCE DO NOT THROW AWAY 16 SMOKE ALARM WIRING...

Page 18: ...234 hours Wireless Remote Control To indicate the current status of the unit Press the remote control button once and the LEDs will light up according to the current status of the unit To modify the a...

Page 19: ...ch front cover The battery is located on the back of the cover Battery type 3V Lithium CR2032 The switch will remain paired with the unit after battery replacement Ensure the new battery is inserted w...

Page 20: ...ir flow rate l s a Power usage Watts b Total energy cost per year c d 1 22 3 3 94 2 29 4 5 26 3 35 5 6 57 4 43 8 10 51 Performance Figures PIV AIR SOURCE House size setting Max air flow rate l s a Pow...

Page 21: ...0 15 per kWh d Figures calculated at incoming air temperature below 19 degrees C House size setting Max air flow rate l s a Power usage Watts b Total energy cost per year c d 1 28 2 7 3 55 2 38 3 8 4...

Page 22: ...fuser 1DIFEVLSML1 Fixing kit FIXINGKITEVL R Spares Accessories Maintenance The PIV and MIV Air Source and Inline units are designed to operate for 5 years before requiring a full service It is recomme...

Page 23: ...tformaintenance within the first 5 year period other than general cleaning The warranty covers any defect or break down that arises due to faulty materials or construction Please note that a receipt w...

Page 24: ...and appearance without notice We want to hear from you Your feedback is important to us as we strive to improve our products services and overall customer experience Please email us to help us serve y...

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