Envirovent PIV AIR SOURCE Manuale utente

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

PIV & MIV Air Source / Inline

01423 859 395

SHOULD YOU ENCOUNTER ANY PROBLEMS

INSTALLING THIS UNIT, CALL US ON:

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. For inline units consider the

external vent location in relation to open-ﬂues from appliances e.g.

boilers. You must ensure the vent is positioned a minimum of 300mm

away in all directions.

The open sides of the diffuser must face a minimum 1m 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 minimum

1.5m unobstructed path away from any smoke detectors. If using the

100mm diffusers, no blanking plates are supplied and the diffusers

must be repositioned.

In properties with a ﬂoor above 4.5m ﬁre diffusers must be ﬁtted

a minimum of 1m away from the smoke detectors instead of the

included plastic diffusers.

Partition walls between buildings must be complete with any

breaks ﬁlled.

In properties with a ﬂoor more than 4.5m above ground level the unit

must be wired into a smoke alarm (see page 16 for wiring information).

The appliance is considered suitable for use in countries with a warm

damp equable climate, but may also be used in other countries.

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.

PIV & MIV Air Source / Inline

01423 859 395

SHOULD YOU ENCOUNTER ANY PROBLEMS

INSTALLING THIS UNIT, CALL US ON:

Diagrams

PIV AIR SOURCE

ø200 mm

406 mm

479 mm

406 mm

479 mm

ø100 mm

MIV AIR SOURCE

406

576 mm

150 mm

(to atmosphere)

200 mm

AFTER INSTALLATION THE END USER SHOULD

KEEP THIS GUIDE FOR FUTURE REFERENCE

DO NOT

THROW AWAY 4

PIV

ø200 mm

406 mm

ø150 mm

576 mm

MIV INLINE

ø100 mm

576 mm

ø150 mm

406 mm

ø200 mm

406 mm

ø100 mm

PIV & MIV Air Source / Inline

01423 859 395

SHOULD YOU ENCOUNTER ANY PROBLEMS

INSTALLING THIS UNIT, CALL US ON:

INLINE DUCT

CONFIGURATIONS

KEYPAD

21 3 4

1 - Airﬂow 1

2 - Airﬂow 2

3 - Airﬂow 3

4 - Airﬂow 4

5 - Temperature <190C

6 - Temperature >190C

7 - Temperature >250C

8 - Top button

9 - Numeric Display

10 - Bottom button

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. 90 degree bend duct to a straight roof vent.

AFTER INSTALLATION THE END USER SHOULD

KEEP THIS GUIDE FOR FUTURE 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

local isolator. Do not connect the heater cable to the mains.

PIV & MIV Air Source / Inline

01423 859 395

SHOULD YOU ENCOUNTER ANY PROBLEMS

INSTALLING THIS UNIT, CALL US ON:

PIV Air Source box contents

• 1x PIV Air Source unit

• 1x Loft Filter (not on air inline

unit)

• 2x Flexible ﬁlter rods (not on air

inline unit)

• 1x 150mm Inline ﬁlter

• 1x 200mm diffuser (+ 2x

blanking plates)

• 1x Instruction guide

• 1x Diffuser mounting template

• 1x Flexible duct (1m x 200mm

dia.)

• 1x Unswitched fuse spur

• 1x Heater switch (Standard

units)

• 1x Remote control (Remote

Control units)

• 8x Foam 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 contents

• 1x MIV Air Source unit

• 1x Loft Filter (not on air inline

unit)

• 2x Flexible ﬁlter rods (not on air

inline unit)

• 1x 150mm Inline ﬁlter

• 2x 100mm diffusers

• 1x Instruction guide

• 2x Flexible ducts (3m x 100mm

dia.)

• 1x Unswitched fuse spur

• 1x Heater switch (Standard

units)

• 1x Remote control (Remote

Control units)

• 8x Foam 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

• 4x 100mm duct ﬁxings

• 1x 150mm duct ﬁxing

AFTER INSTALLATION THE END USER SHOULD

KEEP THIS GUIDE FOR FUTURE REFERENCE

DO NOT

THROW AWAY 8

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.

• Check that all partition walls are intact. Seek building advice if any

are missing or broken.

• Check for ﬂued appliances drawing air from the loft, the user should

be made aware of any of these.

• Check that any ﬂue passing through 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.

About PIV & MIV Air Source & Inline units

Positive Input Ventilation (PIV) and Multiple Input Ventilation (MIV) units

create fresh and healthy living environments by supplying ﬁltered air

into a property at a continuous rate through ceiling mounted diffusers.

The diffusers are normally installed in a hallway or landing area.

The units have been developed to improve indoor air quality and resolve

condensation and mould problems and are designed to operate for 5

years with no requirement for maintenance other than replacement of

the ﬁlter. It is recommended that the ﬁlters are replaced after 5 years

usage.

PIV & MIV Air Source / Inline

01423 859 395

SHOULD YOU ENCOUNTER ANY PROBLEMS

INSTALLING THIS UNIT, CALL US ON:

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.

The MIV unit uses 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 ﬁlls the hallway ceiling.

d) Airﬂow is required in a remote area such as a bedroom.

Option 1 If a higher airﬂow is required in the hallway, position

that diffuser a shorter distance from the unit.

Other room

(lower ﬂow rate)

Hallway

(higher ﬂow rate)

Option 2 If a similar airﬂow is required in the hallway, position

both diffusers at similar distances from the unit.

Other room

(similar ﬂow rate)

Hallway

(similar ﬂow rate)

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