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Summary of Contents for Envirovent PIV AIR SOURCE
- Page 1 AFTER INSTALLATION THE END USER SHOULD KEEP THIS GUIDE FOR FUTURE REFERENCE DO NOT THROW AWAY PIV & MIV AIR SOURCE / INLINE VENTILATION UNIT INSTALLATION GUIDE...
- Page 2 Safety Read and understand these instructions before beginning installation. The unit should be installed by a competent person. Location Check there is space for the unit in your chosen location. The unit must not affect the operation of open-flue appliances. Consult local regulations or a qualified gas engineer.
- Page 3 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.
- Page 4 Diagrams PIV AIR SOURCE ø200 mm 406 mm 479 mm MIV AIR SOURCE ø100 mm 406 mm 479 mm SHOULD YOU ENCOUNTER ANY PROBLEMS 01423 859 395 INSTALLING THIS UNIT, CALL US ON: PIV & MIV Air Source / Inline...
- Page 5 ø200 mm ø150 mm 406 mm 406 mm MIV INLINE ø100 mm ø150 mm 406 mm ø100 mm 406 mm DO NOT AFTER INSTALLATION THE END USER SHOULD KEEP THIS GUIDE FOR FUTURE REFERENCE THROW AWAY...
- Page 6 INLINE DUCT CONFIGURATIONS Use one of three options to connect the inline duct to the outside of the property (extra parts not supplied): 1. Straight duct to a wall mounted vent or grille. 2. Angled duct to a roof tile vent. 3.
- Page 7 WIRING DO NOT AFTER INSTALLATION THE END USER SHOULD KEEP THIS GUIDE FOR FUTURE REFERENCE THROW AWAY...
- Page 8 PIV Air Source box contents MIV Air Source box contents • 1x PIV Air Source unit • 1x MIV Air Source unit • 1x Loft Filter (not on air inline • 1x Loft Filter (not on air inline unit) unit) •...
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Page 9: Pre-Installation Checklist
Pre - Installation Checklist • Does the unit fit through the loft hatch? • Check there are no obstructions in the hallway or landing where the diffuser is to be fitted and in the loft space above. • Ensure the loft has adequate cross-flow ventilation to provide a supply of fresh air to the unit. - Page 10 In conditions between 19°C - 25°C the units will increase air flow rate by 10%. In hot conditions above 25°C the units will temporarily switch off to avoid bringing hot air into the property from the loft space. The PIV unit uses a single 200mm diffuser to provide air into a hallway or landing area.
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Page 11: Installation
Installation 1. Place a dust sheet 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 two 105mm diffuser holes (see page 9 for positioning information). - Page 12 4. a) Screw the feet of the unit onto two 25mm x 50mm wood 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.
- Page 13 5. Insert the diffuser spigot into the ceiling hole so that the diffuser outlets face towards the walls then mark the four fixing holes. 6. Attach the duct to the spigot of the diffuser and seal the connection using the fixings supplied. 7.
- Page 14 9a. INLINE FILTER (all units) 1. Insert the inline filter into a 350mm long section of rigid 150mm diameter duct (not supplied) on the inlet side of 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.
- Page 15 10. With the mains supply isolated, wire the power cable into the unswitched fuse spur then wire the unswitched fuse spur into the mains supply (see wiring diagram on page 6). Use two of the 8g x 1” screws to attach the spur to a loft joist.
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Page 16: Fire Safety
Fire Safety Smoke Kits For installations with a floor more than 4.5m above ground, a compatible smoke kit must be fitted. The kits listed below contain all the extra parts and instructions required: Order Code Description KIT-PIV-SMOKE-125 PIV smoke kit with 1x 125mm diffuser KIT-PIV-SMOKE-150 PIV smoke kit with 1x 150mm diffuser KIT-PIV-SMOKE-200... - Page 17 SMOKE ALARM WIRING DO NOT AFTER INSTALLATION THE END USER SHOULD KEEP THIS GUIDE FOR FUTURE REFERENCE THROW AWAY...
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Page 18: Keypad Settings
Keypad Settings Top button Bottom button -Press to show the current air flow setting. -Press to show the total running time. -The corresponding LED will illuminate on the -The numeric display will illuminate to show keypad. the total amount of time the unit has been running e.g. - Page 19 Pairing an additional remote-control: 1. Turn the unit off at the isolation point. 2. Restore power; for 20 seconds from restart the unit will be in pairing mode. 3. Press the remote-control button once within the 20 seconds and the control will pair to the unit. 4.
- Page 20 Performance Figures - PIV AIR SOURCE House size Max air flow rate Power usage Total energy cost setting (l/s) (Watts) per year (£) £3.94 £5.26 £6.57 £10.51 Performance Figures - MIV AIR SOURCE House size Max air flow rate Power usage...
- Page 21 Performance Figures - PIV INLINE House size Max air flow rate Power usage Total energy cost setting (l/s) (Watts) per year (£) £3.55 £4.99 £7.10 £10.91 Performance Figures - MIV INLINE House size Max air flow rate Power usage Total energy cost setting (l/s) (Watts)
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Page 22: Maintenance
Maintenance The PIV and MIV Air Source and Inline units are designed to operate for 5 years before requiring a full service. It is recommended that the filters are replaced after 5 years usage. If there are very high amounts of particulate matter in the air and loft space, the filter will need to be replaced more frequently. -
Page 23: Warranty
Warranty We appreciate you choosing this quality EnviroVent product, which is designed and manufactured to the highest specification in Harrogate, North Yorkshire. We are confident that you will be delighted with the performance of the system and the resulting improvement in air quality in your home after the installation of the unit. - Page 24 Your feedback is important to us as we strive to improve our and improvement EnviroVent reserves the products, services, and overall customer experience. Please email right to alter products specification and us to help us serve you better: feedback@envirovent.com appearance without notice.
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