nilan Comfort 252 Top Installation Instructions Manual
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Summary of Contents for nilan Comfort 252 Top
- Page 1 INSTALLATION INSTRUCTIONS CTS602 LIGHT BY NILAN Comfort 252 / 302 Top / Polar (English) Version 3.00 - 28.09.2018...
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Page 2: Table Of Contents
TABLE OF CONTENTS Safety Power supply ....................................................Disposal ..........................................................Ventilation system .................................................. General information Introduction ........................................................General information prior to installation ......................................Final inspection ......................................................Ventilation ......................................................Unit type ........................................................... Product description - right version ........................................Dimensional drawing ................................................Functional diagram ................................................... - Page 3 Comfort 252 / 302 Top / Polar (English) BY NILAN Ducts ........................................................Unit .......................................................... Extract air ......................................................Supply air ......................................................Roof stack ....................................................... Installation example ................................................Regulation ........................................................Important information ..............................................Balancing connectors ................................................ Pressure drop diagram ..............................................
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Page 4: Power Supply
Always disconnect mains electricity to the unit before opening the doors, e.g. for installation, inspection, cleaning and filter change. Disposal Ventilation system Nilan units mainly consist of recyclable materials. They should therefore not be disposed of with household refuse. Take them to your local recycling centre. -
Page 5: General Information Introduction
• Software instructions • User manual • Wiring diagram The instructions can be downloaded from the Nilan website: http://www.nilan.dk/en-gb/frontpage/ download If you have further questions on unit installation after reading the instructions, contact your nearest Nilan distributor, who can be found on www.nilan.dk/en-gb/frontpage/download/dealers. -
Page 6: Unit Type
Unit type Product description - right version Comfort 252 / 302 Top is a ventilation unit with heat recovery. The unit is designed for air flows up to 253/345 m /h at 100 Pa external duct pressure. The unit draws the humid, vitiated air out of the dwelling via the bathroom, toilet, kitchen and utility room and introduces fresh outdoor air into habitable rooms such as living room, bedrooms and office. -
Page 7: Dimensional Drawing
Comfort 252 / 302 Top / Polar (English) BY NILAN Dimensional drawing All dimensions are in mm. Right version: Connections: 1. Outdoor air 2. Supply air 3. Extract air 4. Discharge air 5. Condensate drain... - Page 8 All dimensions are in mm. Left version: Connections: 1. Outdoor air 2. Supply air 3. Extract air 4. Discharge air 5. Condensate drain...
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Page 9: Functional Diagram
Comfort 252 / 302 Top / Polar (English) BY NILAN Functional diagram Connections Automation 1. Outdoor air T2/T7: Supply air sensor 2. Supply air T9: After-heating element frost protection 3. Extract air T3: Extract air sensor 4. Discharge air T4: Discharge and de-icing sensor 5. -
Page 10: Accessories
DBTU damper If there is not enough space to fit an EM-box, Nilan offers a DTBU damper, which can be fitted between kitchen and bathroom. The damper functions precisely like the EM-box but requires longer cables. -
Page 11: Pollen Filter
The Nilan water trap contains a ball which cease to prevent "false" air intake into the unit, so that condensate can run freely out of the unit. -
Page 12: Electrical Installation
Electrical installation Electrical connections Safety ATTENTION All work must be carried out by qualified personnel and in accordance with applicable legislation and regulations. ATTENTION It is important that power is disconnected when working with the unit's electrical components. It is important to check that cables have not been damaged or pinched during connection and use. Connections list All connection points are on the top of the unit on the right side seen from the front. -
Page 13: Control Panel
Comfort 252 / 302 Top / Polar (English) BY NILAN Control panel HMI Control panel The control panel comes with 1½ m of cable. The panel is connected to the CTS602 control system in the unit with a CAT.5e cable (max. length 50 m). -
Page 14: Wall Bracket
Wall bracket The HMI panel is mounted on the wall using the integral wall bracket. The panel should be placed visibly so it is possible to make changes to the settings and monitor warnings or operation alarms. The wall bracket is located on the back The wall bracket is mounted to the wall The RJ12 plug is clicked into the bottom of the panel and can be detached by... -
Page 15: Connecting The Control Panel
Comfort 252 / 302 Top / Polar (English) BY NILAN Connecting the control panel... -
Page 16: Electrical Connections Unit
Electrical connections unit Supply CAUTION Power sypply including safety switch must be installed by a certified electrician. It comes with a power cable for connection in power socket. It is important for the unit to be bonded to earth. The unit comes with a EU Schuko plug for 230V power supply. This means that you do not have the protection of electrical grounding. -
Page 17: Electrical Connections Accessories
Comfort 252 / 302 Top / Polar (English) BY NILAN Electrical connections accessories Connection to user selection and modbus User selection: Connection to the user selection can e.g. be used for controlling the cooker hood operation via a potential-free contact in the cooker hood, which provides the unit with a signal that increases the ventilation when the damper is in use. -
Page 18: External Connections
External connections If connecting external components, pass the cables through the built-in guide tube direct to the PCB. Removing the cover plate makes it easier to see where the guide tube starts. Pass the cable via point 4. Connection through grommet to external connections (See Connections list). -
Page 19: External Electrical Pre-Heating Element
Comfort 252 / 302 Top / Polar (English) BY NILAN External electrical pre-heating element If the unit is the non-Polar version, an external pre-heating element can be purchased for retro-fitting. The electric pre-heating element is mounted in the outdoor air duct before the unit with the necessary temperature sensor. -
Page 20: Connecting The Expansion Pcb
Installation of the Expansion PCB and electrical connections must be carried out by qualified personnel and in accordance with applicable legislation and regulations. The Expansion PCB is an accessory to the CTS602 PCB. External components are not a Nilan supply. -
Page 21: Electrical After-Heating Element
Comfort 252 / 302 Top / Polar (English) BY NILAN Electrical after-heating element If it is wished to control the supply air temperature, it will be necessary to fit an after-heating element. The electrical after-heating element can be purchased for installation in the supply air duct. The required sensor and connection to the unit is included. -
Page 22: Water After-Heating Element
Water after-heating element If it is wished to control the supply air temperature, it will be necessary to fit an after-heating element. The water after-heating element can be purchased for installation in the supply air duct. The required sensor and connection to the unit is included. Trim the black RJ45 connector cable at the shrink-fit sleeve and connect the cable to the PCB. - Page 23 Comfort 252 / 302 Top / Polar (English) BY NILAN Electrical connection of control valve 0-10V CTS602 Light Expansion PCB The cables are run along the duct and through a grommet on the unit and guided down to the PCB, where they are connected according to the wiring diagram.
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Page 24: Plumbing Installation Condensate Drain
INFO Nilan offers a water trap with a ball. The ball ensures that no air is sucked into the unit through the condensate drain if the water trap dries out. This ensures that water in the condensate tray... -
Page 25: Connection Bottom
Ø20 mm Ø20 mm min. 170 mm min. 50 mm Connection of water trap generally Connection of Nilan water trap with ball Left version Ø20 mm Ø20 mm Supplied fittings are glued to existing spout at the bottom of the unit Ø20 mm... -
Page 26: Plumbing Connections Accessories
Plumbing connections accessories Water trap with ball (option) Connection possibilities with the Nilan water trap: 1. Water trap with Ø32 mm spout 2. Reduction spout to Ø20 mm 3. Reduction piece to ¾" RG 4. Reduction spout for ½" hose Dimensional drawing: All dimensions are in mm. -
Page 27: Hot Water Heating Element (Accessory) - Duct Mounted
1. Water heating element 2. Actuator and regulation valve: Danfoss AME 140/24V 0-10V signal, 2-way valve VZ2 Kv0,4 (supplied by Nilan) Kvs-value MUST be checked compared to the supply. Differential pressure: 0.1-0.6 bar At a supply temperature of 60°C, a cooling effect of 20°C over the heater is calculated at maximum heat output. - Page 28 IMPORTANT, concerning Danfoss Actuator type AME 140: Mandatory procedure for refitting the actuator: 1. Disconnect from mains electricity. Remove actuator cover. 2. Disengage the gear by holding the button under the housing in while screwing the spindle upwards as far as it will go (counter-clockwise) 3.
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Page 29: Ventilation Installation
Nilan offers flexible silicing, which, apart from providing a flexible connection between the unit and the duct system, also dampen the passage of sound from the unit to the duct system. -
Page 30: Extract Air
Extract air Exhaust valves are mounted in the moisture-generating rooms and strategically placed where they can extract the moisture air most effectively. Moisture-generating rooms: • Bathroom • Toilet • Kitchen • Utility room Supply air Supply air valves are mounted in habitable rooms and strategically positioned to give the minimum annoyance. -
Page 31: Installation Example
Comfort 252 / 302 Top / Polar (English) BY NILAN Installation example... -
Page 32: Regulation
Regulation Important information ATTENTION For the ventilation system to operate optimally, it is important that initial regulation is carried out correctly. We recommend having this done by experts. It is important to measure the total supply air and extract air. The system must have a minimum vacuum, i.e. - Page 33 Comfort 252 / 302 Top / Polar (English) BY NILAN CT250 med Klingenburg GSK 378 mm qv [m3/h]...
- Page 35 Comfort 252 / 302 Top / Polar (English) BY NILAN...
- Page 36 United Kingdom: S L Services 25 St Leonards Road, Horsham RH13 6EH West Sussex Tlf. +44 (0) 7919 444452 stuart315@aol.com www.nilanuk.com Ireland: Nilan Ireland Ballylahive, Abbeydorney Tlf. +353 (0) 87 9798361 maurice@nilan.ie www.nilanireland.ie Nilan A/S Nilanvej 2 DK-8722 Hedensted Tlf.