Ventair MYKA 4 - User Manual

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IMPORTANT INSTALLATION AND WARRANTY INSTRUCTIONS

MOUNTING

1.The unit may be mounted either between

joists using the inbuilt clip fasteners or

against a joist using a screw through the

as a template. Place in the required location

and mark out the hole cutting size. Hole

size is 310mm x 300mm .

2.Before commencing cutting ensure that

the area behind the intended location is

clear of all cables, pipes and joists. Once

clear, cut out the section along the

previously marked lines.

3.Remove 4 heat lamps from the unit,then

remove the plug of the led downlight

inside the housing.Unfasten the fascia

retaining spring clips inside the housing

,and remove the fascia.Connet the

ducting(if required) to the outer grill of the

unit.Insert the unit into the square hole

being sure to pull the side springs inward

so that the body can pass through the hole

without damaging the plaster. Ensure that

the unit is held securely in place by the

clips. If required, additional screws can be

used to aid holding the unit in the ceiling.

this purpose.

4.Connect the led downlight plugs fristly

.Hold the fascia against the body of the

heater and the ceiling and attach the

securing spring clips to hold the fascia in

place.

5.Now screw in the four large heat lamps

into the lamp holder through the holes

provided in the fascia. The globes should be

electrical contact but don’t over tighten.

Thank you and congratulations on your purchase of the

Ventair 3 in1 Bathroom Fan, Heat & Light. Please read

these instructions carefully before installing and using the

product. Keep the instructions handy for future reference.

Electrical wiring must only be done by a licensed

issued completion of the installation.

LOCATION

The unit must be located and installed in accordance with

AS/NZS 3000 and local building codes and regulations

The unit can be installed in any room that requires direct

ceilings with a minimum height of 2.1 meters. At least

250mm height clearance in the ceiling cavity is required

The unit must also be installed at least 400mm away from

the walls.

Ensure adequate inlets exist through windows, vents or

POWER

AC220-240V, 50/60Hz electrical supply is required. The

unit can be connected to a lighting or power circuit if

loading permits. All electrical work must be carried out in

accordance with AS/NZS 3000 or latest edition thereof.

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The provided manual describes the Ventair 3-in-1 Bathroom Fan, Heat & Light unit, a multi-functional appliance designed for bathrooms, ensuites, laundries, and similar rooms requiring heating, ventilation, and lighting.

Function Description

The Ventair 3-in-1 unit integrates three primary functions:

Heating: Provided by four radiant heat lamps, offering direct radiant heating.
Ventilation (Fan): Circulates air and aids in moisture dispersal, helping to reduce humidity in the room.
Lighting: Features a central LED downlight for general illumination.

The unit is designed to be installed in flat ceilings and requires a minimum height clearance of 2.1 meters in the room and at least 250mm height clearance in the ceiling cavity for proper ventilation. It must also be installed at least 400mm away from walls.

Important Technical Specifications

Electrical Supply: AC220-240V, 50/60Hz.
Lighting: 10W LED downlight (4000K, 570Lm), with a size of Ø83 x 45 mm.
Heating: Four 275W heat lamps, totaling 1100W for heating.
Fan: 28W.
Thermostat Switch: The unit is fitted with a thermostat switch that automatically activates the fan if the internal temperature exceeds 80°C, preventing overheating.
Hole Cutting Size for Installation: 310mm x 300mm.
Minimum Ceiling Height: 2.1 meters.
Minimum Ceiling Cavity Clearance: 250mm.
Minimum Distance from Walls: 400mm.

Usage Features

Multi-functional: Combines heating, ventilation, and lighting into a single unit, saving space and simplifying installation compared to separate appliances.
Switch Control: The unit is controlled via four separate switches for light, fan, and two heat lamp circuits (allowing for flexible heating control). These switches are installed on a backing plate on the wall.
Radiant Heating: The heat lamps provide direct, instant warmth, suitable for quick heating of bathrooms.
Air Circulation: The fan helps to extract moist air, contributing to a healthier bathroom environment and reducing condensation.
LED Lighting: Energy-efficient LED downlight provides general illumination.
Safety Features: Includes a thermostat switch to prevent overheating and requires installation by a licensed electrician in accordance with AS/NZS 3000 and local building codes. It must not be covered with insulation material.

Maintenance Features

Cleaning: Lamps and the surrounding fascia should be cleaned when cool, using a cloth dampened with detergent or liquid glass cleaner.
Globe Replacement:
- Heat Lamps: Must only be replaced with 275W (maximum) globes.
- Centre Lamp: Must be replaced with a 10W (maximum) LED downlight (4000K, 570Lm, size Ø83 x 45 mm). Replacement globes are available from Ventair co. ltd.
Longevity Tip: To prolong the life of the unit, avoid using the heat lamps alone for longer than 10 minutes. It is recommended to use the fan function along with the heat lamps to aid in cooling the unit.
Professional Installation: All electrical work and installation must be carried out by a licensed electrician, ensuring proper and safe operation and compliance with warranty conditions. A "Certificate of Compliance" must be issued upon completion.

Installation Guidelines

Mounting: The unit can be mounted between joists using inbuilt clip fasteners or against a joist using screws through the flange plate. A template (the manual itself) is provided for marking the 310mm x 300mm hole.
Pre-cutting Check: Before cutting, ensure the area behind the intended location is clear of cables, pipes, and joists.
Preparation: Remove the four heat lamps and the LED downlight plug. Unfasten the fascia retaining spring clips and remove the fascia.
Ducting Connection: Connect ducting (if required) to the outer grill of the unit.
Unit Insertion: Insert the unit into the square hole, ensuring side springs are pulled inward to prevent damage to plaster. Secure the unit with clips and, if needed, additional screws through the flange holes.
Fascia Reattachment: Connect the LED downlight plugs. Hold the fascia against the body of the heater and the ceiling, then attach the securing spring clips.
Lamp Installation: Screw in the four heat lamps firmly into their holders through the fascia holes, ensuring good electrical contact without over-tightening.
Electrical Wiring: The unit must be wired through a plug and socket or an all-pole disconnecting switch according to AS/NZS 3000. Connect the wiring to the four wall switches as per the provided electrical diagram (Earth, Neutral, Active, Light, Fan, Heat 1, Heat 2). Ensure all cables are securely connected.

Warranty

The Ventair 3-in-1 Bathroom Heater comes with a 3-year warranty from the original date of purchase, covering defective workmanship and faulty materials. The warranty is subject to several conditions:

The fan or relevant part has not been modified, misused, neglected, or involved in an accident.
Repairs are not required due to normal wear and tear.
The product was installed by a licensed electrical contractor according to the instruction manual.
No solid-state speed control device has been used with the appliance.
A copy of the original receipt of purchase is presented.
Globes supplied are not covered by the warranty.

The warranty card should be kept safe and produced if service is required.

Ventair MYKA 4 Specifications

General

Brand	Ventair
Model	MYKA 4
Category	Heater
Language	English

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