Vent-Axia HR300 Manuale utente

HR300

Through the wall

Heat Recovery Ventilator

Installation and Maintenance Instructions

PLEASEREADINSTRUCTIONSINCONJUNCTIONWITH

ILLUSTRATIONS.PLEASESAVETHESEINSTRUCTIONS

Stock Ref No:-

HR300 370394

IMPORTANT SAFETY INFORMATION

PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE

COMMENCING INSTALLATION.

1. Do not install this product in areas where the following may be present or

occur:

• Excessive oil or a grease laden atmosphere.

• Corrosive or flammable gases, liquids or vapours.

• Subject to direct water spray from hoses.

• Ambient temperatures higher than 40°C and lower than -20°C.

• Possible obstructions that may hinder access to or removal of the unit.

2. All wiring must be in accordance with the current IEE wiring regulations

BS7671, or appropriate standards of your country. Installation should be

inspected and tested by a suitably qualified person after completion.

3. Ensure the mains supply (voltage, frequency and phase) complies with the

rating label.

4. The unit should be provided with a local double pole fused spur fitted with a

3A fuse having a contact separation of at least 3mm.

5. These units must be earthed.

6. Precautions must be taken to avoid the back-flow of gases into the building

from the open flue of gas or other fuel-burning appliances.

7. This appliance 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 or instruction concerning

use of the appliance by a person responsible for their safety.

8. Young children should be supervised to ensure that they do not play with

the appliance.

INSTALLATION GUIDANCE

1. The installer is responsible for the installation and electrical connection of the system on

site. It is the responsibility of the installer to ensure that the equipment is safely and

securely installed and left only when mechanically and electrically safe.

2. All regulations and requirements must be strictly followed to prevent hazards to life and

property, both during and after installation, and during any subsequent servicing and

maintenance.

3. Certain applications may require the installation of sound attenuation to achieve the

sound levels required.

4. The unit must not be connected directly to a tumble drier.

5. The supply air must be drawn from the exterior of the property.

6. The exhaust grille should be located at least 600mm away from any flue outlet. The inlet

grille should be located 2000mm away from any flue outlet.

Disposal

This product should not be disposed of with household waste. Please

recycle where facilities exist. Check with your local authority for

recycling advice

Contents

Section Page

1.0 Introduction 5

2.0 Site Requirements 6

3.0 Installation 7

4.0 Electrical 9

5.0 Maintenance 10

1.0 Introduction

1.1 Description (Fig. 1)

1. The HR300 unit is a through the wall heat

recovery ventilator which is ideal for light

commercial applications including function

rooms, swimming pools, offices, classrooms etc.

2. The HR300 comes complete with an integral

shutter device, two internal rotor motors and twin

centrifugal impellers.

Bezel

Fig. 1

HR300

Panel Flange

3. The maximum power consumption for the unit

is 108w.

4. The twin impeller and heat exchanger

arrangement simultaneously supplies and

extracts air while transferring heat from the stale

exhaust airflow to the fresh intake airflow. This

provides up to 70% heat recovery from the stale

extracted air.

1.2 Ancillary Equipment

1. The HR300 unit can be used in conjunction with

a range of ancillary equipment.

Controller: A range of controllers - see section

3.1 Controllers.

HR300RF2 (370402): Replacement Filter Pack.

EXT300 (370422): Extension Sleeve. The

extension kit is for use with walls up to 650mm

thick.

2.0 Site Requirement

2.1 Information

1. The unit is designed for installation in external

walls with a thickness of between 150mm to

315mm. For wall thicknesses upto 650mm an

extension kit is available (ref: 370422).

2. If the unit is to be fitted in a replacement

window panel, a mounting kit must be used.

3. The unit must be sited and connected by a

suitably competent person and be in accordance

with current UK Building Regulations and I.E.E.

Wiring Regulations (BS 7671).

4. The unit is intended for permanent connection

to the mains electrical supply.

5. The unit is intended for fixed wiring installation.

6. Wiring to the unit in the UK must be via a

switched fused spur. The switched fused spur

must have a 3mm minimum contact gap in all

poles.

500mm Min Above

Floor Level

125mm

Min

Fig. 2

125mm

Min

7. Ensure that the mains electrical supply is

compatible with the rating label attached to the

product.

8. The unit must be sited such that the ambient

temperature will not exceed 40° C.

9. Do not site the appliance in the vicinity of

excessive levels of airborne oil or grease.

10. If the unit is installed in a room containing a

fuel burning appliance, the installer must ensure

that air replacement is adequate for both

appliances.

11. The unit must not be installed at a level below

500mm from the floor.

12. The internal grille surround must be sited at

least 125mm away from any wall or projecting

surface (Fig. 2).

13. The external grille of the unit must be sited at

least 500mm away from any flue of gas or solid

fuel appliances. This is to avoid back flow of

gases entering the room.

14. All safety regulations and requirements must

be strictly followed to prevent hazards to life and

property both during and after installation and

during subsequent maintenance or servicing.

15. Ensure the mains electrical supply is switched

off before commencing installation or

maintenance.

3.0 Installation

CG-1-1/01

3.1 Controllers

1. The HR300 unit can be installed in conjunction

with a number of controllers.

VCON6(370356): The VCON6 controller can be

used to provide Off/Low/Normal/Boost/Sensor

control. (The HS6 humidistat or TIM2 over-run

timer can be used in conjunction with the VCON6

controller to provide automatic control.

150VA (563538): The 150VA transformer,

when used with a trickle/boost switch (455213),

allows for a trickle and boost speed to be

selected. Only terminals providing 140V or

higher should be used as the unit will not

operate reliably bellow 140V.

Ecotronic 1.5A controller (W300310):

Provides variable speed control and on off and

auto (sensor) modes.

TIM2(370346): The TIM2 is an overrun timer

which can also be used to control the HR200

unit via a remote sensor e.g. Humidity Sensor.

3.2 Initial Preparation

1. Select an approved electrical control

arrangement for the HR300 unit (above).

2. After considering the site requirements

(Section 2.0), select a suitable site for the unit

and controllers and work out the cable runs.

WARNING: Before deciding on the final position

for the unit, check there are no buried cables,

pipes or obstructions on the outside wall.

Cable requirements: Suitably (Basec or Har)

approved four core cable of appropriate current

carrying capacity.

3. Install the cable runs and appropriate

controllers in conjunction with a fused connection

unit. Contact gap must not be less than 3mm.

4. Working from the inside, mark out the

position of the mounting hole - 280mm wide x

380mm high (see Fixing Template).

5. Carefully cut the holes in the inner and outer

brick courses to form a suitable aperture to

receive the unit. Ensure that this is level.

NOTE: Bricks will cut more easily and

accurately if a series of holes are drilled close

together along the marked lines.

6. Remove the grille, heat exchanger, from the

unit (Fig. 3).

Heat Exchanger

Grille

Fig.3.

3.0 Installation

Blind Grommet

280mm

380mm

3.3 Installing the Appliance

From Inside

1. Slide the unit into the mounting hole and

ensure that the minimum overhang requirements

are achieved inside and out (Fig. 4).

2. The HR300 requires an overhang internal and

external (Fig. 5):

Internal 50mm

External 55mm

Fig. 4

55mm

Internal External

3. Ensure that the unit is square and true with the

outside wall face. If firmer fixings are required,

secure the unit in place with the two fixing screws

provided.

NOTE: Ensure the fixings DO NOT inhibit

removal or replacement of the heat exchanger.

4. Make good around the case.

5. Fit the bezel on the inside to cover the making

good by pressing the bezel over the case (Fig. 6).

3° Min

CAUTION: Ensure the case does not distort

during fixing and making good.

For Drainage

50mm

Fig.5

From Outside

1. Slide the panel flange (flange first) on to the

unit and press the flange firm against the outer

wall (Fig. 6).

2. Secure the panel flange to the wall using the

fixing screws provided. If necessary the panel

flange can be secured to the case by self-tapping

screw 25mm long maximum.

Bezel

Fig. 6

Panel Flange

4.0 Electrical

4.1 Electrical Connections

230V 50Hz 108W max

1. The HR300 is supplied with an integral shutter

device.

2. Wiring must be via a 3A fused switched spur

with a 3mm contact separation in each pole. The

wiring should be suitably (Basec or Har)

approved cable of appropriate current carrying

capacity.

3. Ensure that the mains power supply is

isolated prior to installation.

4. The HR300 is supplied with a length of cable

attached from the factory. This can be extended

with the use of 4 core cable as required.

5. Connect the wires as shown in Fig.7 to a Switched

fused spur or a control unit. If a controller is used follow

the fitting and wiring instructions supplied with the

controller ensuring that the black and brown wires are

connected to the same terminal on the controller.

6. Switch on the mains electrical supply and

check the operation of the unit.

NOTE: On operation there is a delay of 30

seconds prior to the shutter opening.

Fig.7. Normal Running



HR300

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