nilan GO GREEN COMFORT 600 Operation manual

COMFORT 600 BY NILAN
PRODUCT DATA
Domestic Ventilation
< 800 m3/h
Passive
heat recovery
Ventilation & passive heat recovery

2
COMFORT 600
Product description
The Comfort 600 is an energy-efficient ventilation unit with
heat recovery for homes and smaller commercial buildings with
a ventilation requirement of up to 800 m3/h.
This unit has been thoroughly tested, with improvements being
continually made during its manufacture for more than 15
years. These have focused on low energy consumption, easy
user operation and maintenance.
The Comfort 600 is a compact unit which can be ordered
as a left- or right-handed model.
The Comfort 600 is factory tested and ready for use.
Installation and commissioning must be performed by an
authorised electrician.

3
COMFORT 600 BY NILAN
Time controlled alarm for filter change.
Easy filter access - the top front panel
manually unscrews easily. There is
plenty of space to replace filters and
vacuum the filter space.
Visual alarm for filter change.
The automatic bypass damper makes the outdoor
air bypass the heat exchanger when heat reco-
very is not required, thereby saving energy.
Counterflow heat exchanger made of polystyrene,
which has a higher temperature efficiency than
aluminium exchangers.
The efficient fans are powered by energy-saving EC
motors. They provide a constant air volume with a
four-step adjustment.
The unit comes with a clear and user-friendly HMI
touch panel.
The modern CTS 602 control panel runs Modbus
communication.
Prepared for an integrated or external water heating element.
The powder-coated condensate drain
prevents the formation of “acid water” and
allows the condensate to be drained away.
With built-in humidity control system for ventilation
on demand.
Low speed ventilation at low humidity levels and
high speed ventilation at high humidity levels (e.g.
a bath).
User APP solution via gateway LAN / WiFi

4
TECHNICAL DATA
Dimensions (W x D x H) 1200 x 950 x 630 mm
Weight (*1) 101/75 kg
Plate type casing Aluzinc steel plate
Heat loss casing (*2) 59 W/-59 W
Heat exchanger type Polyethylenterephthalat
counterflow heat exchanger
Fan type EC, constant volume
Filter class ISO Coarse >90% (G4)
Duct connections Ø 200 mm
Condensate drain PVC, Ø 20×1,5 mm
External leakage (*3) < 0.1 %
Internal leakage (*4) < 3.6 %
Supply voltage 230 V (±10 %), 50/60 HZ
Max. input/power (*5) 1145 W/7.1 A
Tightness class IP31
Standby power 4 W
Power consumption (*5&6) 1220 kWh/år
Ambient temperature -20/+40 °C
* 1 75 kg is without side plates and exchanger.
* 2 59 W: Outdoor air temperature -12 °C. Fitting location -12 °C.
Extract air temperature 20 °C (room).
-59 W: Outdoor air temperature -12 °C. Fitting location 20 °C.
Extract air temperature 20 °C (room).
* 3 At ± 250 Pa and 600 m3/h according EN 308/EN 13141-7.
* 4 At ± 100 Pa and 600 m3/h according EN 308/EN 13141-7.
* 5 Input without heating element (accessory).
* 6 Power consumption on comtinuous operation for system
with SFP value 1000 J/m3ved 500 m3/h.
Technical specifications
Trade mark Nilan
Model Comfort 600
Type Two-way ventilation unit not for residential
Type of drive Variable speed drive VSD
Type of heat recovery system Counterflow heat exchanger
Thermal efficiency of heat recovery 79.6%
Reference flow rate (supply air) 0.1594 m3/s
Reference flow rate (extract air) 0.1404 m3/s
Effective electric power input (kW) (supply air) 0.209 kW
Effective electric power input (kW) (extract air) 0.214kW
SFPint 413 W/(m3/s)
Velocity at design flow rate 0.022 m/s
Nominal external pressure 250 Pa
Internal pressure drop of ventilation components (supply air) 123 Pa
Internal pressure drop of ventilation components (extract air) 137 Pa
Static efficiency of fans (supply air) 57.4 %
Static efficiency of fans (extract air) 57.4 %
Maximum external leakage rate 1.5 % v/400 Pa
Maximum internal leakage rate 3.6 % v/250 Pa
Energy classification of M5 bag filters (extract air) E
Energy classification of F7 bag filters (outdoor air) C
Visuel filter warning An alarm on the user panel appears when filters need
changing
Sound power level (LWA) 56 dB(A)
Unit data for ecodesign

5
COMFORT 600 BY NILAN
Dimensional drawing
Connections
1: Fresh air
2: Supply air
3: Extract air
4: Discharge air
5: Condensate drain
6: Electric and water heating
7: Primary side (heat exchanger)
All dimensions are in mm
Right model
Left model
1200
630
5
5
950
495
225
636
446
6
7
7
7 6
7
Ø
Ø
200
495
215
314
504
3
2
1
4
4
1
2
3
1200
630
950
495
315
636
446
200
495
225
504
314
1200
630
5
5
950
495
225
636
446
6
7
7
7 6
7
Ø
Ø
200
495
215
314
504
3
2
1
4
4
1
2
3
1200
630
950
495
315
636
446
200
495
225
504
314
1200
630
5
5
950
495
225
636
446
6
7
7
7 6
7
Ø
Ø
200
495
215
314
504
3
2
1
4
4
1
2
3
1200
630
950
495
315
636
446
200
495
225
504
314
1200
630
5
5
950
495
225
636
446
6
7
7
7 6
7
Ø
Ø
200
495
215
314
504
3
2
1
4
4
1
2
3
1200
630
950
495
315
636
446
200
495
225
504
314
1200
630
5
5
950
495
225
636
446
6
7
7
7 6
7
Ø
Ø
200
495
215
314
504
3
2
1
4
4
1
2
3
1200
630
950
495
315
636
446
200
495
225
504
314
1200
630
5
5
950
495
225
636
446
6
7
7
7 6
7
Ø
Ø
200
495
215
314
504
3
2
1
4
4
1
2
3
1200
630
950
495
315
636
446
200
495
225
504
314

6
PLANNING DATA
Temperature efficiency
Temperature efficiency for units with counterflow heat exchanger according to EN308 (dry).
Temperature efficiency EN308: ɳt= (tsupply air-tfresh air)/(textract air-tfresh air)
Capacity
Capacity of standard unit as a function of qv and Pt, ext.
SFP values according to EN 13141-7 are for standard units with ISO Coarse >90% (G4) filters and no heating element.
SFP values comprise the unit´s total power comsumption incl. control.
Conversion factor:
Attention! The SFP values are measured and stated as a total value for both fans.
Nilan units are tested in accordance with the valid standards of accredited independent test institutes.
0
050 100 150 200 250 300
200 400 600 800 1000 1200
0
100
200
300
400
500
qv[m3/h]
qv[l/s]
Pt ext [Pa]
Max Pa
1800 J/m3
1500 J/m3
1000 J/m3
2100 J/m3
0
050 100 150 200 250 300
200 400 600 800 1000 1200
70
80
90
100
q
v
[m
3
/h]
q
v
[l/s]
η
t
(%)
J/m3
= W/m3/h
3600

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COMFORT 600 BY NILAN
Sound data
Sound data for qV= 600 m3/h and Pt, ext = 100 Pa according to
EN 9614-2 for surfaces and EN 5136 for ducts.
Sound output level LWA drops with falling air volume
and falling back pressure.
Sound output level LpA at a given distance will depend on
acoustic conditions in the place of installation.
Octave band
Hz
Surface
dB(A)
Supply air
dB(A)
Extract air
dB(A)
63 34 58 41
125 43 59 42
250 48 64 47
500 47 65 41
1000 53 67 31
2000 43 63 27
4000 38 60 17
8000 36 59 13
Total ±2 dB(A) 55 72 50
Sound output level (LWA)

8
Connections
1: Fresh air
2: Supply air
3: Extract air
4: Discharge air
5: Condensate drain
6: Electric and water heating
Automation
T2/T7: Supply air sensor
T9/TC: Heating element frost protection
T3: Extract air sensor
T4: Discharge air and defrost sensor
T8: Fresh air sensor
Functional diagram
Intelligent humidity control
Nilan’s humidity control automatically adapts to the needs of
the family or the building.
The intelligent CTS 602 control unit does not need to have a set
level input for air humidity (RH) to control the air exchange. By
using the integrated humidity sensor, the control unit calcu-
lates the average level itself for the last 24 hours. The average
level provides a basis for deciding whether to change the air
exchange if the air humidity fluctuates.
This ensures that the unit always runs at its most efficient,
based on the actual air humidity level and not on a theoretical
one.
This helps save energy because it automatically adapts to the
requirements in the home. Whether a large family or a single
person is living in the building has a considerable influence on
how much humidity is produced.
The unit also adjusts automatically to summer and
winter level.
5
6
7
8
9
4
3
2
1
10
11
40 50 60 70 80 90 100302010
Immediately change in % of RH
Average RH (the last 24 hours)
Reduced
ventilation
Forced ventilation
Normal ventilation
If the air humidity changes by more than 5-10% in relation to the
average level, the unit responds with a higher rate of air exchange
accordingly.
At an air humidity below 30% is reduced ventilation stp activated
(adjustable between 15 and 45%)
1
T7
T10
TC
T4 T9
T3
T8
T2
2
3
4
576
OPERATION

9
Capacity - Heating element (accessory)
Electrical heating element
The electrical heating element is fitted in the air inlet duct at a distance of min. 2 x duct
diameter from the system´s fresh air inlet connection pipe (normally min 400 mm.)
and connected to the CTS 602 control panel and 230 V supply.
The electrical heating element can supply up to 3,0 kW of heat.
Water heating element for internal fitting
The water heating element is designed to be built into the system and must be
connected to the primary heating supply and the CTS 602 control. The water heating
element includes copper pipes and aluminium fins.
Capacities can be seen in the table below.
Water side Air side
Temperature
input/output
[°C]
Flow
[m3/h]
Pressure drop
[kPa]
Output
[kW]
Flow
[m3/h]
Temperature
before WHE*
[°C]
Temperature
after WHE*
[°C]
Pressure drop
over WHE*
[Pa]
40/30
0.1 0.74 1.1 200 16 32.2 2
0.12 1.11 1.4 270 16 30.9 3
0.16 2.1 1.9 420 16 29.2 4
0.21 3..2 2.5 620 16 27.7 8
60/40
0.09 0.6 2 200 16 45.4 2
0.11 0.9 2.5 270 16 43.1 3
0.15 1.6 3.4 420 16 40 4
0.2 2.5 4.5 620 16 37.2 8
70/40
0.07 0.36 2.3 200 16 49.4 2
0.08 0.53 2.8 270 16 46.6 3
0.11 0.92 3.9 420 16 42.9 4
0.14 1.47 5 620 16 39.6 8
Capacity water heating element
* Water heating element.

10
AUTOMATION CTS602
CTS602 Control
The CTS602 HMI touch panel is featuring a wide range of functions,
e.g., menu-controlled operation, weekly programme settings, filter
monitor with timer, fan speed adjustment, summer bypass (free
cooling), supply-heating element control, error messages etc.
The CTS602 comes with factory settings, including a default setting
which can be customised to operational requirements to achieve
optimum operation and utilisation of the system.
There is an option for selecting between 2 front page images for
the main screen.
Operating instructions for the CTS 602 can be found in a separate
user manual supplied with the unit.
External communication
The CTS602 control unit communicates by default with
Modbus RTU RS485 communication. A CTS system using this
form of communication can easily be connected to the unit.
Nilan units have an open Modbus communication, i.e. not only
can the unit be monitored, but its operation can also be set in
the same way as it can via the operating panel.
The protocol is by default set up for a Modbus RTU30
address; however, values can be set between 1 and 247.
A Modbus converter allows you to connect one or more units
to a computer to monitor and control the unit.
A Nilan gateway is fitted as standard on the Comfort 600, where the user can
gain access to the unit via a Nilan User APP. The APP enables the user to access
and monitor the current operation, also from the outside of the property.
The APP allows you to adjust the default settings of, for instance, room tempe-
rature, fan speed level and the humidity control system.
The APP shows when filter change is next due. This is an important function,
and you are automatically notified when filters need changing or an alarm is
triggered.
It also provides you with useful trend curves so you can follow the operation of
the unit for the previous week with regards to, for instance, room temperature
or humidity level.
Using a LAN connector, you connect the gateway to the Modbus of the unit and
then to the user’s internet router via a LAN or a WiFi connection. This creates a
secure cloud connection between the unit and the smartphone.
Nilan User APP