nilan Comfort 600 User manual

INSTALLATION INSTRUCTIONS
CTS602 HMI BY NILAN
Comfort 600 (English)
Version 3.00 - 03.10.2019

TABLE OF CONTENTS
Safety
Power supply................................................................................................................................................................................................................................................................... 4
Disposal............................................................................................................................................................................................................................................................................................. 4
Ventilation unit............................................................................................................................................................................................................................................................. 4
General information
Introduction.................................................................................................................................................................................................................................................................................. 5
General information prior to installation.........................................................................................................................................................................................5
Unit type........................................................................................................................................................................................................................................................................................... 6
Product description..................................................................................................................................................................................................................................................6
Dimensional drawing.............................................................................................................................................................................................................................................. 7
Functional diagram................................................................................................................................................................................................................................................... 9
Accessories................................................................................................................................................................................................................................................................................10
CO2 sensor..................................................................................................................................................................................................................................................................... 10
EM-box................................................................................................................................................................................................................................................................................ 10
Electrical pre-heating element for frost protection........................................................................................................................................................10
Electrical after-heating element........................................................................................................................................................................................................... 10
Water after-heating element incl. regulation......................................................................................................................................................................... 10
Water after-heating element incl. regulation (build-in)...............................................................................................................................................11
Pollen filter.....................................................................................................................................................................................................................................................................11
Water trap....................................................................................................................................................................................................................................................................... 11
Vibration absorbers.............................................................................................................................................................................................................................................11
Expansion PCB............................................................................................................................................................................................................................................................ 11
Set up
Installation..................................................................................................................................................................................................................................................................................12
Positioning of the unit........................................................................................................................................................................................................................................12
Mounting the unit................................................................................................................................................................................................................................................... 12
Electrical
Electrical connections....................................................................................................................................................................................................................................................13
Safety.................................................................................................................................................................................................................................................................................. 13
Connections overview....................................................................................................................................................................................................................................... 13
User panel....................................................................................................................................................................................................................................................................................14
HMI User panel........................................................................................................................................................................................................................................................... 14
Wall bracket.................................................................................................................................................................................................................................................................. 15
User panel connection....................................................................................................................................................................................................................................... 15
Electrical connection - unit.......................................................................................................................................................................................................................................16
Power supply................................................................................................................................................................................................................................................................16
Unit..........................................................................................................................................................................................................................................................................................16
Electrical connection of accessories............................................................................................................................................................................................................. 17
Connection to user selection and modbus.................................................................................................................................................................................. 17
External electrical pre-heating element.......................................................................................................................................................................................18
Electrical comfort heater...............................................................................................................................................................................................................................19
Water-heating surface for duct mounting..................................................................................................................................................................................20
Water after-heating element integral.............................................................................................................................................................................................22
Mounting of expansion PCB on CTS602 circuit board....................................................................................................................................................24
External heating control................................................................................................................................................................................................................................. 25
Plumbing installation
Condensate drain................................................................................................................................................................................................................................................................26
Important information...................................................................................................................................................................................................................................... 26
Connection side.........................................................................................................................................................................................................................................................26
Plumbing connections accessories..................................................................................................................................................................................................................27
Water trap with ball (option).......................................................................................................................................................................................................................27
Hot water heater (accessory)................................................................................................................................................................................................................... 28
2

Hot water heater (accessory) - integrated................................................................................................................................................................................ 30
Accessories mounting
Water after-heating element................................................................................................................................................................................................................................ 32
Mounting an integral water after-heating element.........................................................................................................................................................32
Ventilation installation
Duct system.............................................................................................................................................................................................................................................................................. 34
Legislation...................................................................................................................................................................................................................................................................... 34
Ducts..................................................................................................................................................................................................................................................................................... 34
Unit..........................................................................................................................................................................................................................................................................................34
Extract air........................................................................................................................................................................................................................................................................35
Supply air......................................................................................................................................................................................................................................................................... 35
Roof stacks.................................................................................................................................................................................................................................................................... 35
Balancing...................................................................................................................................................................................................................................................................................... 35
Important information...................................................................................................................................................................................................................................... 35
Comfort 600 (English) BY NILAN
3

Safety
Power supply
CAUTION
Always disconnect the power supply to the unit if an error occurs that cannot be rectified via
the control panel.
CAUTION
If an error occurs on electrically conductive parts of the unit, always contact an authorised
electrician to rectify the error.
CAUTION
Always disconnect the power supply to the unit before opening the unit doors, for instance for
installation, inspection, cleaning and filter change.
Disposal
Ventilation unit
Nilan’s units consist mainly of recyclable materials. They must, therefore, not be
mixed with household waste, but must be delivered to your local recycling center
for disposal.
4

General information
Introduction
General information prior to installation
The following documents are supplied with the unit:
• Installation instructions
• Software instructions
• User manual
• Wiring diagram
Instructions can be downloaded from Nilan’s website: https://www.nilan.dk/en-gb/frontpage/
download
If you have questions regarding installation of the unit after having read the instructions, contact your
nearest dealer of Nilan products. You can find Nilan dealers on www.nilan.dk/en-gb/frontpage/
download/dealers.
The purpose of these instructions is to advice the installer on correct installation and maintenance of
the unit.
ATTENTION
The unit must be started up immediately after installation and connection to the duct system.
When a ventilation unit is not in operation, humidity from the rooms may penetrate into the
ducts and create condensation. Condensate water may leak out of the valves and damage
furniture and floors. Condensation may also form inside the unit, which can damage its
electronics and fans.
The unit is delivered fully tested and ready for operation.
Comfort 600 (English) BY NILAN
5

Unit type
Product description
Comfort 600 is a ventilation unit with heat recovery. The unit is intended for air volumes up to 800
m3/h3at 100 Pa external duct pressure.
The unit extracts humid and vitiated air from the dwelling via the bathroom, the lavatory, the kitchen
and the utility room. It blows fresh air into living areas such as the living room, bedrooms and the study.
Cold outdoor air is heated in the heat exchanger by warm extract air.
As a standard, Comfort 600 is supplied with plate filters in outdoor air and extract air. If you want to
filter out pollen from the outdoor air, a pollen filter can be purchased as an accessory and be
retrofitted.
Comfort 600 is available as both a right and a left version.
1
1
2
3
4
5 6
7
8
9
1011
12
Comfort 600:
The unit Front open Rear open
1. Duct connections 3. Electrical connections 6. Counterflow heat exchanger
2. Cover for filter replacement 4. Extract air filter 10. Extract air fan
5. Outdoor air-filter 11. Supply air fan
(Pollen filter is fitted here) 12. Grommets for water heating
element
7. Condensate drain connection
8. Bypass damper
9. Automation
6

Dimensional drawing
All listed measurements are in mm.
Right model:
Ø200
Ø200
495
215
215
215
215
215
215
215
215
215
504
314
1200
630
5
950
495
225
636
446
7
7
6
Connections:
1. Outdoor air
2. Supply air
3. Extract air
4. Discharge air
5. Condensate drain
6. Electrical connections
7. Water heating element connections
Comfort 600 (English) BY NILAN
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Left version:
Ø200
Ø200
495
225
225
225
225
225
225
225
504
314
1200
630
5
950
495
315
636
446
7
76
Connections:
1. Outdoor air
2. Supply air
3. Extract air
4. Discharge air
5. Condensate drain
6. Electrical connections
7. Water heating element connections
8

Functional diagram
1
T7
T10
TC
T4 T9
T3
T8
T2
2
3
4
576
Comfort 600 (English) BY NILAN
9

Accessories
CO2sensor
Fitting a CO2sensor means the ventilation speed can be pre-programmed to run
higher ventilation levels in the event of high CO2level in the extracted air. CO2
levels can be programmed.
EM-box
With an EM box it is possible to divide the extract air between the kitchen and the
bathroom.
If a cooker hood is connected to the unit and is switched on, extract air from the
bathroom will be reduced slightly to allow sufficient air for the cooker hood to
extract kitchen fumes.
The EM-box has a fitted metal filter that clears the air in the cooker hood of
grease particles effectively, and thereby protects the unit.
Electrical pre-heating element for frost protection
In longer periods of sub-zero temperatures, the high-efficiency counterflow heat
exchanger will ice up. To avoid icing, it is recommended that an electrical
preheating element is mounted.
The pre-heating element uses very little energy, but it ensures efficient heat
recovery without de-icing. You therefore achieve an overall reduction of energy
consumption.
Electrical after-heating element
With an electrical after-heating element you can increase the supply air
temperature to the desired level. Electrical after-heating elements are supplied
for mounting in the supply air duct. Included are the necessary sensors.
Water after-heating element incl. regulation
With a water after-heating element you can increase the supply air temperature
to the desired level. The water after-heating element is for duct mounting and
should be connected to the primary heat supply.
It is supplied with a two-way regulation valve, a temperature sensor and a frost
thermostat.
10

Water after-heating element incl. regulation (build-in)
A water after-heating element can be used to increase the supply air
temperature to a desired level. The water after-heating element is designed to
be built into the unit and must be connected to the primary heating supply.
Supplied with a two-way regulation valve, temperature sensor and frost
thermostat.
Pollen filter
As a standard, the unit is supplied with a plate filter.
If anyone in the household suffers from a pollen allergy, you can install a pollen
filter in the outdoor air intake to minimize the proportion of pollen in the indoor
air.
A pollen filter also removes approx. 50 % of harmful particles in outdoor air, so a
pollen filter is recommended if you live in a large city or close to a motorway.
Water trap
To ensure that condensate water can drain freely, a water trap must be installed.
You should check regularly that there is water in the trap. The water trap may
dry out during late spring, summer and autumn, when no condensation is formed.
If the water trap dries out, air will be sucked into the unit and condensate water
will not be able to drain. This will cause water damage.
Nilan’s water trap contains a ball that ensures that no air is sucked into the unit
and that condensate water can drain freely.
Vibration absorbers
Four vibration absorbers are placed under the unit to ensure effective softening
of the vibrations of the unit against its foundation.
Expansion PCB
With an expansion PCB, the features of the CTS 602 control expand option to use
user select 2.
Comfort 600 (English) BY NILAN
11

Set up
Installation
Positioning of the unit
ATTENTION
When positioning the unit, you should always consider future services and maintenance.
It must be easy to change filters, and it must, for instance, be possible to remove the heat
exchanger, and to replace fans or other components.
ATTENTION
An open space of minimum 60 cm in front of the unit is recommended.
ATTENTION
The unit must be level to enable proper drainage from the condensate tray.
The unit makes little noise and produces only weak vibrations, but you should still take into account
potential vibrations that can spread from the unit to individual building components. In order to
separate the unit from its foundation, it is therefore recommended that you install vibration absorbers
under the unit. There should be approx. 10 mm distance to other building components and to
permanent fixtures.
Mounting the unit
Vibration absorbers
front and rear
Vibration absorbers
front and rear
ATTENTION
The unit must be mounted on a level and firm surface.
12

Electrical
Electrical connections
Safety
ATTENTION
All work must be carried out by qualified persons and in compliance with existing legislation and
regulations.
ATTENTION
It is important that the power is off, if you do work to the electrical components of the unit.
It is important to check that wires are not damaged or squeezed during connection and use.
Connections overview
All electrical connection are on the right side of the unit on right version units, and on the left side of
the unit on left version units, seen from the front.
1. Connection through grommet to external connections
2. Connecting 230V (remember electrical grounding)
3. User panel connection
3
2
1
Comfort 600 (English) BY NILAN
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User panel
HMI User panel
The user panel is supplied with 1½m cable. Connect the panel to the CTS602 control system in the unit
using a CAT.5e cable (max. length 50 m).
ATTENTION
If you want a longer cable, use an ordinary LAN-cable, not a crossover cable, max. 50 m.
If you want to extend the cable, please be aware of the following:
Installation in the RJ12 plug
1. Empty
2. Empty
3. Green (A2)
4. Green/white (B2)
5. Brown (12V)
6. Brown/white (GND)
Use RJ12 plug and RJ12 crimping tool.
Installation in the 8 pole plug
1. Brown/white (GND)
2. Green/white (B2)
3. Green (A2)
4. Empty (User selection)
5. Empty (User selection)
6. Empty (A1)
7. Empty (B1)
8. Brown (12V)
14

Wall bracket
Mount the HMI panel on the wall using the integrated wall bracket.
The panel should be visible so it is possible to change settings and to monitor warnings or alarms
regarding operation.
The wall bracket is located at the back of
the panel. You can detach it by loosening
the bracket at the bottom of the panel.
You can then remove it.
Mount the bracket on the wall using 2
screws.
Click the RJ12 plug into place at the
bottom of the HMI panel. The wire can
run down along the wall, into the wall or
through the groove at the back of the
panel.
User panel connection
Comfort 600 (English) BY NILAN
15

Electrical connection - unit
Power supply
CAUTION
The power supply, including a safety switch, must be installed by an authorized electrician.
A power cable for connection to a power socket is included. It is important that the unit is
earthed.
The unit is supplied with an EU plug for a 230V power supply. This means that, in principle, you
have no protection of electrical grounding. You can secure electrical grounding by connecting
the plug to a socket with a ground pin.
You can also connect an adapter for a plug with a ground pin. You can fit this plug adapter on
the unit, so that the unit is secured electrical grounding to the earthing system.
Unit
230V 50Hz max. 13A
Power supply
Safety switch
16

Electrical connection of accessories
Connection to user selection and modbus
User selection: Connection to user selection can be used, for instance, for controlling a cooker hood.
This happens via a potential free contact in the cooker hood that sends a signal to the unit, which, in
turn, increases ventilation when the cooker hood is on. You connect it using pin 4 and 5 in the 8 pole
plug of the control panel.
User selection can also be used for other functions such as to create imbalance in supply air and extract
air ventilation.
Modbus: You can communicate with the unit via Modbus, which can be connected in pin 1 (GND), pin 6
(A1) and pin 7 (B1) in the 8 pole plug of the control panel.
Please, consult user manual for software settings etc.
Connect the plug to the unit in point 2: Connecting the user panel.
CTS/Computer
Converter
Modbus
Unit
Unit
Panel
Panel
8-pole plug
8-pole plug
Comfort 600 (English) BY NILAN
17

External electrical pre-heating element
If your unit is not the Polar version with an integrated pre-heating element, you can purchase and
retrofit an external electrical pre-heating element.
The electric pre-heating element is mounted in the outdoor air duct before the unit with the necessary
temperature sensor.
1x230V ~ 50 Hz max. 16A
7 8
Min. 40 cm
T
It is important that the sensor is placed at least 40 cm from the pre-heating element to achieve correct
regulation.
The pre-heating element has a three-step safety system that prevents overheating.
1. An operating thermostat regulates the heating and ensures that the supply air temperature does
not fall below -1 °C
2. There is a max. thermostat, which shuts down the preheating element if the temperature rises
above 50 °C (For vertical mounting with airflow downwards, the preheating surface will switch off
at 70 ° C).
3. A safety thermostat switches off the pre-heating element if the temperature exceeds 100 °C.
Then, you must reset it manually.
Minimum air volume at Ø200: 170m³/h.
ATTENTION
The heating element must be insulated with a fire retardant insulation material. The cover of
the connection box, however, must not be insulated.
Dimensional drawing:
Ø200
Positioning options:
18

Electrical comfort heater
For precision control of supply air temperature, a comfort heater is required.
A comfort heater can be bought for installation in the supply duct (intake). The sensor and connection
to the control unit are supplied
Cut off the RJ 45 plug at the heat-shrink sleeve connection and fit the wire on the circuit board.
ATTENTION
The T7 temperature sensor has been installed near the heating element. The T2 sensorMUST
cut off when T7 sensor is mounted.
1x230V ~ 50 Hz max. 16A
Min. 50 cm Min. 40 cm
T7
T7
T7

T2
0-10V
GND
T7
0-10V
GND
Wiring diagrams are supplied with the products.
Run the wires along the duct and through the grommet on the unit down to the circuit board. Connect
the wires in accordance with the wiring diagram.
ATTENTION
The heating element must be insulated with a fire retardant insulation material. The cover of
the connection box, however, must not be insulated.
Dimensional drawing:
Ø200
Positioning options:
Comfort 600 (English) BY NILAN
19

Water-heating surface for duct mounting
An after-heating element is necessary if you want to control the supply air temperature.
The water after-heating element can be purchased for installation in the supply air duct. The required
sensors and connectors for the unit are included.
RJ 45 plug is cut off at the crimp sleeve collection and cord are mounted in the PCB.
ATTENTION
The T7 temperature sensor has been installed near the heating element. The T2 sensorMUST
cut off when T7 sensor is mounted.
Connecting the sensors
B3
T7
T9
Min. 50 cm
T7
T9
B3 T2

Min. 2xDia

T7: Temperature sensor - T9: Temperature sensor heating element - B3: Frost protection
Run the wires along the duct and through a grommet down to the PCB. Connect them in accordance
with the wiring diagram.
20