CONDUCTOR
CONDUCTOR
Network-connectable automatic control system for controlling the air temperature
and air quality in a room
Quick Facts
► Automatic control of the air volume, cooling and heating
CONDUCTOR
► The set points for temperature and airflow can be set via
the room thermostat.
► Occupancy control via key card/sensor
► Simple configuration of settings keyed in the room
thermostat
ROOM CONTROL
► Wireless communication between room thermostat and
controller
► Inputs for condensation sensor, window contact and
other normally-closed contacts
► Up to twelve pairs of actuators can be wired to each
controller.
► Possible connection up to main control system via
ModBus RTU
► Optional cooling sequence - air/water or water/air.
General
The CONDUCTOR Room control equipment, versions W1,
W3 and W4, for controlling both the room temperature
and the air volume, is especially designed for controlling
the waterborne climate in offices, hotel rooms, hospitals
and conference rooms. CONDUCTOR contains a number
of adaptable energy saving functions.
► Air quality control via CO2 sensor.
1
CONDUCTOR
Technical Description
Our new CONDUCTOR in-house developed room control equipment is a natural result of our efforts to provide
the user with a healthy indoor climate. Different rooms
have different requirements, and this has motivated us
to develop various applications. These applications are
principally developed for the climate control of waterborne
climate systems in offices, hotels, hospitals and conference
rooms.
This is more clearly described under the different applications: W1 (office with constant airflow), W3 (Hotel with
occupancy-controlled airflow), and W4 (conference room
with air quality-controlled airflow and temperature control).
Another important building services engineering advantage
is that internal communication between room unit (RU) and
controller unit (RE) normally is wireless. This makes visible
cabling between air conditioning unit (normally one or
several comfort modules, chilled beams or periphery climate
units) unnecessary. All cable connections are hidden above
the false ceiling and all wiring is done with detachable
standard connections, i.e. screw wiring terminals.
The room thermostat has a pure design and is equipped
with a digital display that clearly shows the room setpoint
and other usual indicating symbols.
All settings can be keyed directly in the room thermostat;
however it is also possible to read the current room temperature for example. The user can change the room temperature setpoint simply by pressing buttons and the result is
immediately visible in the display.
The CONDUCTOR always offers an underlying advantage
in that you can connect it up to ModBus RTU. It will also
be possible to operate it connected up to other Swegon
ModBus units. For further particulars, get in touch with
your nearest Swegon representative.
Flexibility
• The user can easily configure the controller functions
and parameters by means of the room thermostat.
• Wireless communication offers flexibility when deciding where to place the room thermostat.
• You can connect up to twelve pairs of actuators
(twelve for cooling + twelve for heating) to each
controller, or up to four complete units per controller
for controlling both the airflow (supply air and central
extract air, 5 damper actuators) and cooling and heating (cooling and heating circuit, valve actuators)
Reliability and Minimal Maintenance
• Input for condensation sensor that immediately cuts
off the cooling water in the event of condensate precipitation
• Regular exercising of the valves prevents the valve spindles from becoming jammed
• The controller is designed for minimizing the risk of
faulty wiring; it features quick contacts with screw
wiring terminals
• Low heat generation in incorporated components
Operation
Regulation
The controller provides proportional and integral (PI) control. The I section senses both the size and the duration
of the control deviation and adjusts the actuator opening
time accordingly. This type of control is called pulse-width
modulation (PWM). Compared with on/off control, for
instance, PWM control offers more uniform room temperature which enhances room comfort. It is possible to
adjust from PWM control to 0-10V control.
Valve actuators and valves
The actuator is of NC type (Normally-closed) but is
equipped with a so-called ”first open” function which
means that the actuator is open when it is installed. This
facilitates pressure testing and venting the water system.
The ”First open” function of the actuator is automatically disabled after approx. 6 minutes while energized. A
clicking noise will be heard after which the actuator will
change over to the NC mode and the normal regulation
function will begin.
The valves are exercised every second 24-hour period. On
these occasions, all the actuators wired to the controller
are opened fully for 3 minutes, which prevents the valve
spindles from jamming.
Data Communication
The controller has a built-in communication port that enables connection to an RS 485 network with ModBus for
supervising and override control via a main system, such
as a computer.
User Friendliness
• Simple and clear room thermostat design with digital
display that also shows cooling or heating load readings
• The actuator’s "first open" function simplifies pressure
testing and venting the water system
• The actuators indicate the position of the valve by
means of a clearly visible cylinder body (up – open
position, down – closed position.
2
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2010-04-21
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CONDUCTOR
Monitoring
system via
ModBus
CONDUCTOR W1 – Office with constant
airflow
The CONDUCTER W1 room control equipment is designed for controlling the indoor climate in offices. Since
the room environment should be invigorating, and offer
the highest degree of comfort possible, uniform temperature and a healthy indoor climate are significant necessities, regardless of the outdoor temperature and season.
Individual variations in room level are also significant
necessities.
5
1
3
CONDUCTOR W1 in a nutshell
Signal to external relay
2
The CONDUCTOR
consists of:
Digital controller, room unit,
hand-held terminal, thermo-electrical actuators, valves, cables and
accessories
Control function:
PI
Power supply:
24 V AC
Inputs:
Condensation sensor
Figure 1. CONDUCTOR W1: Integral Components
1
2
3
4
5
External temperature sensor
Outputs:
4
Valve actuator (max 72 VA)
Controller
Room unit
Condensation sensor
Transformer
Valve actuator
Conductor RE
Conductor RU
SYST CG
SYST TS-1
LUNA a AT-2
Signal to external relay
Communication:
Modbus
R2
Room unit (wireless or via RJ12
cable)
Modbus
R1
ModBus RTU)(RJ12)
Table 1. CONDUCTOR W1 Operating Mode
Mode
Condensation
Cooling
Heating
A
Yes
Off
Normal
B
No
Normal
Normal
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
25 26 27 28 29 30 31 32 33 34 35 36 37 38
Operating mode
The normal case is described in Case B: No condensation.
Control is then completely normal and controls heating or
cooling in order to maintain the right temperature in the
room.
The cooling circuit valve closes if condensation is likely to
form.
Figure 2. CONDUCTOR W1 - Wiring Diagram
MODBUS RS2
MODBUS RS1
Condensation sensor
Temperature detector
Transformer
Valve actuator, cooling
Valve actuator, heating
1
Data (B)
2
Data (A)
3
Earth
5
Data (B)
6
Data (A)
7
Earth
17
18
19
20
CONDUCTOR
The various operating conditions of the controller are
shown in Table 1. The operation modes are based on the
status of the condensation sensor. Each given operating
mode controls cooling and heating until the user manually
sets the temperature.
Resistance
KTY
23
+ 24V AC
24
-G0
27
-G0
29
+24V
30
-G0
32
+24V
3
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2010-04-21
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CONDUCTOR
Technical Description
CONDUCTOR W3 – Hotels or hospitals with
occupancy-controlled airflow in fixed steps.
The CONDUCTOR W3 is an application specially designed
for controlling the indoor climate in hotel rooms and hospitals. Since the room environment should be peaceful,
quiet and offer the highest degree of comfort possible,
uniform temperature and a healthy indoor climate are significant necessities, regardless of the outdoor temperature
and season. Individual variations in room level are also
significant necessities. During certain times of the year,
high humidity may also involve risk of condensation.
CONDUCTOR W3 has what it takes to be the optimal
control and regulation equipment for hotel rooms as well
as for hospitals. CONDUCTOR W3 makes control of the
supply airflow, extract airflow and temperature possible,
in order to provide the best possible comfort in the room.
The output signals from the controller to the supply
air and extract air dampers respectively are individually
adjustable. To achieve balance in the room when the
duct pressures in the supply air and extract air ducts are
not the same, the user can easily adjust the flows via the
room thermostat.
Automatic Control
When the user leaves the room or withdraws the key
card from the card reader, the controller automatically
decreases the supply air and the extract air to a low rate
of airflow and the system returns to the auto mode. The
valve actuators for the cooling and heating water circuits
respectively are controlled in this position in response to
the status of the other sensors in the room, but with a
greater permissible differential, so-called energy saving
mode. See Table 2 for possible operating conditions.
Takes prevailing circumstances into account
• The controller input for the presence detector (or a key
card reader) makes it possible to adjust the airflow and
temperature on the basis of occupancy in the room.
• In response to signals indicating an open window, the
controller regulates the valves and damper to reduce
the heating water flow and air flow respectively to a
minimum, in order to save energy.
Flow boost in the event of rapid changes in
temperature
Timed Airing
When occupancy is detected (presence detector or key
card reader) the controller sets the air dampers to the
high airflow setting to air out the room. After 5 min. the
controller returns to the auto mode and an operating condition according to the status of the sensors, see Table 2.
The user can easily change or deactivate the airing period
from the room thermostat, or from a building supervising
system.
The temperature difference can be set to another value
via the room thermostat. The user can completely disable
the flow boost function, if required.
Manual control
Whenever the CONDUCTOR W3 registers occupancy in
the room (in response to signals from a presence detector
or a key card reader) the user can regulate the airflow and
temperature by entering settings in the room thermostat.
When the controller is set to the auto mode, the airflow is
determined on the basis of the status of the sensors. See
Table 2. The user can also manually control the airflow
in three steps. The controller controls the supply air and
extract air damper motors by means of three voltage
levels that open the pivotal dampers to different settings.
If the system is set for a high rate of airflow, the controller
increases the flow of fresh supply air, not just the flow of
recirculated air as in many other room climate systems.
When the difference between the present value of the
temperature and the setpoint exceeds 2 K, the controller sets the air dampers to the high airflow setting to
increase heating or cooling capacity. When the difference
has dropped to a level below the preset default value, the
air dampers return to the normal flow setting.
Operating Mode
The various operating conditions of the controller are
shown in Table 2. The various operating conditions are
based on occupant presence in the room and the status
of the window contact and condensation sensor. According to each operating condition, the controller controls
the airflow, cooling and heating until the user manually
sets the airflow or temperature. The airing function or
flow boosting function in progress (see below) are exceptions from the operating conditions specified in Table 2.
Data Communication
The control unit has a built-in communication port that
enables connection to an RS 485 network with ModBus for
supervising and override control via a building supervision
system..
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CONDUCTOR
CONDUCTOR W1 in a Nutshell
Operating Mode
The CONDUCTOR
consists of:
Digital controller,Room unit,
thermo-electrical actuators,
valves, cables and accessories
Control function:
PI
Power supply:
24 V AC
Inputs:
Condensation sensor
The various operating conditions of the controller are
shown in Table 2. The operating modes are based from
status of occupancy, window contact and condensation
sensor. According to each operating condition, the controller controls the airflow, cooling and heating until the
user manually sets the temperature and/or the airflow.
The normal case is described in Case C: Occupancy, no
condensation or open window. Control is then completely normal and controls the airflow, heating or cooling
in order to maintain the right temperature in the room.
Presence detector
Window contact
External temperature sensor
Outputs:
The airflow is controlled to decrease when there is no
occupant in the room and the temperature control function switches to the economy mode. In the economy
mode, the dead band is increased to +2K (it is normally
+0.5K).
Valve actuator (max 72 VA)
Damper actuator (max. 25 VA)
Signal to external relay
Communication:
Room unit
(wireless or via RJ12 cable)
If the controller receives a signal indicating that condensation has formed, the cooling valve closes and if the
window contact indicates an open window, the heating
control function switches over to the frost protection
mode. In the frost protection mode, the setpoint is set to
a lower value (normally 10º).
ModBus RTU (RJ12)
Table 2. CONDUCTOR W3 Operating Mode
Mode
Condensation
Occupancy
Window
Airflow
Cooling
Heating
A
No
No
Closed
Low
Economy
Economy
B
Yes
No
Closed
Low
Off
Economy
C
No
Yes
Closed
Normal
Normal
Normal
D
No
No
Open
Low
Off
Frost protection
E
Yes
Yes
Closed
High
Off
Normal
F
Yes
No
Open
Low
Off
Frost protection
G
No
Yes
Open
Low
Off
Frost protection
H
Yes
Yes
Open
Low
Off
Frost protection
CONDUCTOR
5
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2010-04-21
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CONDUCTOR
Monitoring
system via
ModBus
Modbus
R1
Modbus
R2
5
6
7
4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
1
25 26 27 28 29 30 31 32 33 34 35 36 37 38
10V
8
10V
3
2
Figure 3. CONDUCTOR W3 Wiring Diagram.
1
Data (B)
2
Data (A)
3
Earth
5
Data (B)
MODBUS RS1
6
Data (A)
7
Earth
Condensation sensor
17
MODBUS RS2
18
Temperature detector
Transformer
Window contact
Card reader
Valve actuator, cooling
Valve actuator, heating
Damper, supply air
Damper, extract air
19
20
Resistance
Signal to external relay
Figure 4. CONDUCTOR W3: Integral Components
1
2
3
4
5
6
7
8
9
Controller
Room unit
Key card/presence detector
Window contact
Condensation sensor
External temp. sensor
Transformer
Valve actuator
Ventilation damper incl. damper
actuator
Conductor RE
Conductor RU
SYST SENSO/KSOb
SYST CG
CONDUCTOR T-TG
SYST TS-1
LUNA a AT-2
CRTc 100-2
KTY
23
+ 24V AC
24
-G0
25
10V
10
10V
26
10V
12
10V
27
-G0
29
+24V
30
-G0
32
+24V
33
-G0
34
0-10V
35
+24V
36
-G0
37
0-10V
38
+24V
6
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9
2010-04-21
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CONDUCTOR
Technical Description
CONDUCTOR W4 – Situation-adapted,
demand control of air, cooling energy and
heating for maximum energy saving.
CONDUCTOR W4 is an optimized application for controlling waterborne cooling and heating in combination with
supply air. The application is foremost developed for conference rooms however it can also be used for other types
of rooms such as offices and hotel rooms. Since the percentage of occupancy in conference rooms is relatively low
while the number of persons who attend meetings varies
from meeting to meeting, a situation-adapted climate system is required for providing a healthy room climate while
minimizing the consumption of energy. Since needs differ
from case to case, CONDUCTOR W4 offers optional cooling step sequences. The user has the option of first using
air to cool the room and then adding waterborne cooling
if the need arises. The user can also opt to let chilled water
cool the air first and then increase the airflow if the need
arises.
CONDUCTOR
Adapting to the Situation
• The presence detector continuously checks whether
someone is in the room and adjusts the airflow between the preset min. flow and the occupancy flow.
• The CO2sensor continuously measures the air quality in
the room. When the room is occupied, the controller
variably adjusts the airflow between the preset occupancy flow and the max. permissible flow in order to
supply a sufficiently high airflow for the current number
of occupants.
• The pressure sensor measures the static air pressure on
the supply and extract air sides. The pressure reading is
used both for balancing the supply and extract air and
for controlling the damper blade positions.
• The condensation sensor located on the chilled water
supply pipe senses any actual condensation precipitation. If any condensation has formed on surfaces, all
the cooling valve actuators wired to the controller are
closed in order to stop the precipitation of condensate.
As this occurs, the controller increases the flow of supply air in order to compensate the loss of capacity until
condensation precipitation has ceased and waterborne
cooling can be resumed.
• Window contacts can be wired to the system for sensing whether a window is open or closed. If a window should prove to be open, the controller adapts
the system so that cooling, heating and ventilation
is switched off in order to avoid unnecessary energy
losses. If someone leaves a window open during a cold
winter night, for instance, the system has a built-in frost
protection function that causes the heating to start up
if the room temperature drops below 10°C.
7
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2010-04-21
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CONDUCTOR
Energy Saving Control
Air first/then water
CONDUCTOR W4 can be optimized for the relevant room
by configuring desired airflows while the system is operating in the min. airflow, occupancy flow and max. airflow
mode. These settings are based on the climate and energy
usage of the room.
When the room is occupied, the room temperature is
first regulated mainly by increasing the airflow. The
airflow is variably increased until the room air reaches
the required room temperature. If the max. permissible
airflow is reached and the room temperature still does not
reach the required level, the waterborne cooling system is
• The min. flow is set to the desired airflow when there
started up in order to increase the cooling capacity. When
is no occupant present in the room. The setting range
the required room temperature is reached, the wateris between 0 1/s and at most the value required as the
borne cooling system is switched off and the temperature
normal airflow rate when the premises are occupied.
is again solely controlled by the supply air. The air volume
As standard, this value is set to 20% of the occupancy
is regulated at the same time according to the CO2 level.
airflow.
If the CO2 level should exceed the preset max. permissible
• Set the occupancy airflow to the initial position desirable
value, the controller will increase the airflow regardless of
when an occupant is detected. This flow should be set
whether this is needed for regulating the room temperato suffice for relatively few persons. As an example, airture for the purpose of ensuring proper air quality.
flow sufficient for 2 persons can be selected in a room
for 10 persons.
• Set the max. permissible airflow to the design airflow
Manual Control
required when the room is full.
Although the CONDUCTOR W4 is an intelligent and to
The control principle for Application W4 is that if no one is a great extent automatic room control equipment, it is
present, only a small volume of supply air is discharged so
possible to manually control the room climate. This can be
that the air will feel fresh when someone first enters the
done by means of the room thermostat which wirelessly
room. When the system detects occupancy, the airflow is
(or via a wired connection) communicates with the conincreased to the preset occupancy airflow rate. The CO2
troller. The clear display in combination with a clear and
sensor continuously measures the air quality. If the CO2level user friendly key pad enables the user to easily change the
remains below the preset max. permissible value (800 ppm room temperature and airflow.
as standard) the airflow will be kept constant at the occupancy flow setting. If the occupancy flow is not sufficient
Adaptable commissioning
for keeping the CO2level below the max. permissible value, CONDUCTOR W4 does not require commissioning other
the airflow will be variably increased and will adjust to the
than the setting of a few parameters entered from the
flow that is sufficient for ensuring the required air quality.
hand-held micro terminal. The adaptive commissioning
Since a conference room most often is not occupied to
feature is made possible by the pressure sensor which is
capacity, there is seldom any need for the system to reach
part of the system. By measuring the static pressure at
the max. permissible airflow. This control principle makes it appropriate reference points the controller is continupossible to save energy both when the premises are occuously updated with readings of the current pressure in
pied and when they are unoccupied.
the comfort modules and the duct pressure downstream
of the extract air register. Only the transmission of curOptional Sequences
rent pressure drop constants via the room thermostat
Since needs differ from case to case, CONDUCTOR W4 has to the controller is required in order to find out which
been developed with optional cooling step sequences.
airflow is being distributed to the room. The controller
computes which pressure represents the right airflow and
Water first/then air
accordingly adjusts the damper blade angle settings until
When the room is occupied, the room temperature is
the correct pressure and thus the airflow to the room is
first regulated mainly by means of waterborne cooling.
achieved.
If waterborne cooling is not enough, the air volume is
Simplified commissioning is an obvious advantage, but
variably increased until the room air reaches the required
room temperature. The air volume is regulated at the same there are also other benefits. One important benefit is
that possible pressure variations in the duct system will
time according to the CO2 level. If the CO2 level should
exceed the preset max. permissible value, the controller will not affect the preset airflows since the damper blade
angle settings are independent and are only controlled in
increase the airflow regardless of whether this is needed
response to the values transmitted by the pressure senfor regulating the room temperature for the purpose of
sors.
ensuring proper air quality. If the required room temperature is achieved, the waterborne cooling circuit is closed
until a new need for cooling arises.
Data Communication
The control unit has a built-in communication port that
enables connection to an RS 485 network with Modbus
RTU for supervision and override control via a building
supervision system.
8
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2010-04-21
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CONDUCTOR
CONDUCTOR W4 in a Nutshell
Operating mode
The various controller operating conditions are shown in
Table 3. The operating conditions are based on the status
on the presence sensor, window contact and condensation sensor and CO2 sensor. According to each operating
condition, the controller controls the airflow, cooling and
heating until the user manually sets the temperature and/
or the airflow. The airflow is controlled to a lower setting
if there is no occupant in the room and the temperature
is controlled for regulation in the economy mode. If the
system is operating in the economy mode, the dead band
is increased to +2K (in the normal mode, it is +0.5K). If
the controller receives a signal indicating that condensation has formed, the cooling valve closes and if the
window contact indicates an open window, the heating
control function switches over to the anti-frost protection
mode. The setpoint is set to a lower value (normally 10º)
if the anti-frost protection function is enabled.
The CONDUCTOR
consists of:
Digital controller, Room unit,
thermo-electrical actuators, valves,
motor-driven dampers, sensors,
cables and accessories
Control function:
PI
Power supply:
24 V AC
Inputs:
Condensation sensor, presence
detector
Window contact, CO2 sensor.
Pressure sensor, External temperature sensors
Outputs:
Valve actuator, cooling (max. 72 VA)
Valve actuator, heating (max. 72 VA)
Damper actuator (max. 25 VA)
Table 3. CONDUCTOR W4 operating mode
Kondens
Occupancy
Window
Carbon dioxide
Airflow
Cooling
Heating
A
No
Yes
Closed
Under
Normal
Normal
Normal
B
No
No
Closed
Under
Low
Economy
Economy
C
No
Yes
Open
Under
Closed
Closed
Frost protection
D
Noj
No
Open
Under
Closed
Closed
Frost protection
E
Yes
Yes
Closed
Under
High
Closed
Normal
F
Yes
No
Closed
Under
Low
Closed
Economy
G
Yes
Yes
Open
Under
Closed
Closed
Frost protection
H
Yes
No
Open
Under
Closed
Closed
Frost protection
I
No
Yes
Closed
Over
High
Normal
Normal
J
No
No
Closed
Over
Low
Economy
Economy
K
No
Yes
Open
Over
Closed
Closed
Frost protection
L
No
No
Open
Over
Closed
Closed
Frost protection
M
Yes
Yes
Closed
Over
High
Normal
Normal
N
Yes
No
Closed
Over
Low
Economy
Economy
O
Yes
Yes
Open
Over
Closed
Closed
Frost protection
P
Yes
No
Open
Over
Closed
Closed
Frost protection
CONDUCTOR
Mode
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CONDUCTOR
6
Modbus
R1
Modbus
R2
7
8
9
5
10
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
1
25 26 27 28 29 30 31 32 33 34 35 36 37 38
10V
11
X15
10V
4
3
2
Monitoring system
via ModBus
Figure 6. Conductor W4: Integral Components
Figur 5. CONDUCTOR W4 Wiring Diagram.
MODBUS RS2
MODBUS RS1
Condensation sensor
Temperature detector
Valve actuator, heating
Transformer
Window contact
Presence detector
Valve actuator, cooling
Damper 2, supply air
Damper 1, supply air
Damper, extract air
CO2 sensor
1
2
3
5
6
7
17
18
19
20
21
22 X15
23
24

10
26
12
21
22
27
29
30
31
32
33
34
35
36
37
38
16
21
22
Data (B)
Data (A)
Earth
Data (B)
Data (A)
Earth
Resistance
1
2
3
4
5
6
7
8
9
10
11
Controller
Room unit
Presence sensor
Window contact
Pressure sensor
Condensation sensor
CO2 sensor
External temp. sensor
Transformer
Valve actuator
Ventilation damper
incl. damper actuator
Conductor RE
Conductor RU
DETECT Occupancy
SYST PS
SYST CG
DETECT Quality
CONDUCTOR T-TG
SYST TS-1
LUNA a AT-2
CRTc (aaa)-2
(aaa = dimension)
KTY
+24V
-G0
+ 24V AC
-G0
10V
10V
10V
0-10V
+24V AC
-G0
-G0
+24V
-G0
0-10V
+24 V
-G0
0-10V
+24V
-G0
0-10V
+24V
0-10V Signal
+24V AC
-G0
10
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2010-04-21
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CONDUCTOR
Technical Data
CONDUCTOR RE Controller
Designation:
CONDUCTOR RE
(W1, W3 alt. W4)
Storage temperature:
-40 to +80 ºC
Operating temperature: -20 to + 50 ºC
Degree of protection:
IP 32
Dimensions:
121 × 193 × 44 mm
Power supply:
24 V AC ±10 %
Power consumption:
1 VA
Control function:
PI
Figure 7. CONDUCTOR RE controller
P-band, cooling/heating 1 K
increments:
1K
Dead band, no occupancy:
4 K (W3 and W4 only)
Anti-frost protection:
10 ºC
Valve exercising:
Once/48 h period (fully open
for 6 min.)
Mounting:
Mounting hole in enclosure
or against DIN rail
Connections:
Wiring terminal for 2.5 mm²
multi-wire cable
Data Communication:
Modbus RTU
Outputs:
Wireless Communication:
433 MHz band radio modem
with room thermostat
Actuator, heating:
(W1 and W3)
24 V AC, PWM
(on/off or 0-10V)
max load: 72 VA = 12 actuators
Condensation sensor:
Resistance
Temperature sensor:
Resistance
Actuator, heating:
(W4 only)
Presence detector/Key
card (W3 and W4
only):
No occupancy/NO/NC (optional), default = NC for occupancy
24 V AC
(on/off)
Max load 72 VA = 12 actuators
Actuator, cooling:
Window contact:
(W3 and W4 only)
No occupancy/NO/NC (optional), default = NC for closed
window
24 V AC, PWM
(on/off or 0-10V)
max load: 72 VA = 12 actuators
Supply air damper 1:
(W3 and W4 only)
0–10 V DC max load 25 VA = 5
actuators.
The CO2 sensor:
(W4 only)
NP / Enabled
Supply air damper 2:
(W4 only)
0–10 V DC max load 25 VA = 5
actuators.
Modular contact:
RJ12-6pole for connecting up
to the room thermostat
Extract air damper:
(W3 and W4 only)
0–10 V DC max load 25 VA = 5
actuators.
RJ12-6pole for connecting up
to the ModBus pressure sensor
(max. 3 sensors)
Relay output:
W3: Signal for occupancy
Inputs:
W4: Output signal, heating
7
11
Swegon reserves the right to alter specifications.
2010-04-21
www.swegon.com
CONDUCTOR
Dead band, room occupancy:
CONDUCTOR
CONDUCTOR RU room thermostat
Designation:
CONDUCTOR RU
Temperature, storage:
-40 to +80 ºC
Operating temperature:
0 to +50 ºC
Degree of protection:
IP 20
Dimensions:
86 × 100 × 32 mm
Power supply:
12 V DC, 4 size AAA batteries,
alt. Voltage from a modular
cable via controller
Actual value, range:
+10 till +32 ºC
(on delivery set to +22°C)
Mounting:
Against a wall or 70 mm standard electrical box, not exposed
to direct sunlight
In-operation LED,
temp.:
Cooling load:
In-operation LED, air:
Low flow:
Heating load:
Figure 8. CONDUCTOR RU room unit
1 LED lit (W3 and W4 only)
Normal flow:
2 LEDs lit (W3 and W4 only)
High flow:
3 LED lit (W3 and W4 only)
Inputs:
RJ12-6pole modular contact for connecting up to the
controller
12
Swegon reserves the right to alter specifications.
2010-04-21
www.swegon.com
CONDUCTOR
Ordering Key
Specification Text
Ordering key, Control equipment
Example of a specification text conforming to VVS AMA
Standard.
Controller
CONDUCTOR RE
aa
Swegon’s control equipment for waterborne climate units,
type CONDUCTOR W1, W3 or W4, with the following
functions:
W1, W3 or W4
CONDUCTOR RU
Room unit
Ordering Key, Accessories
Valve actuator
LUNA a AT-2
Valve
SYST VD 115-CLC
Ventilation damper incl. damper
actuator
(W3 and W4 only)
CRTc aaa-
2
•
•
•
•
•
•
•
•
•
•
•
•
Dim. 125 and 160
•
Condensation sensor
Presence detector
SYST CG
DETECT Occupancy
DETECT Quality
CO2 sensor
Pressure sensor
SYST PS
Transformer
SYST TS-1
CONDUCTOR T-TG
Adapter, actuator/valve
LUNA a T-VA- aa
To valve type:
32 = Tour & Andersson
39 = Oventrop
50 = Honeywell, Reich, MNG,
Böhnisch (H), Cazzaniga
54 = Certain MMA valves
59 = Danfoss RAV/L
72 = Danfoss RAV
78 = Danfoss RA
80 = Siemens, etc.
Delivery
• The valves are delivered to the plumbing contractor for
installation in the system.
• The room controller is delivered to the electrical
contractor, systems contractor or other contractor for
installation to the unit junction box.
• All electrical installation, including wiring the actuators,
motorised dampers and various sensors is to be carried
out by the electrical contractor or the systems contractor.
• The electrical contractor or the systems contractor
provides a 230V outlet for the transformer and a fitted
mounting box for the temperature sensor and possible
external cables.
Accessories
• LUNA AT-2 Valve actuator, xx pcs
• SYST VD 115-CLC Valve, xx pcs
• Ventilation damper incl. CRTc 100-2 damper actuator,
xx pcs
• CYST CG Condensation sensor, xx pcs
• SYST TS-1 Transformer, xx pcs
• LUNA a T-VA-aa Adapter, actuator/valve, xx pcs
• CONDUCTOR T-TG external temperature sensor
• DETECT Occupancy presence detector, xx pcs
• DETECT Quality CO2 sensor, xx pcs
• SYST PS Pressure sensor, xx pcs
Specify the quantity separately or with reference to the
drawing.
13
Swegon reserves the right to alter specifications.
2010-04-21
www.swegon.com
CONDUCTOR
External temperature sensors
•
•
Designed for room control via ModBus
Wireless room thermostat with digital display
Programmable controller
Individual temperature control
Indication of the present airflow (W3 and W4 only)
and heating/cooling load
PWM Control function (24 V AC) or 0–10 V DC
Controls heating and cooling in sequence
Controls supply and extract airflow (W3 and W4 only)
Automatic conditioning of valves
Electro-thermal actuator, two-position (on/off) with
clear position indicator
"First open" function for simple filling, pressure testing
and venting the water system
Inputs for condensation sensor, external window contact and external temperature sensor.
Inputs for presence detector or key card reader (W3
and W4 only)
Inputs for CO2 sensor and pressure sensor (W4 only)
Occupancy control by external relay (W3 only)
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