CLLYUL1012S unitary 1* 0 1 2 NO NO
CLLYUL4024S unitary 4* 0 2 4 NO NO
CLLYUL6438S unitary 6 4 3 8 NO NO
CLLYVL0000AS VAV 0 0 0 0 YES YES
CLLYVL4022AS VAV 4* 0 2 2 YES YES
CLLYVL4024NS VAV 4* 0 2 4 YES NO
CLLYVL6436AS VAV 6 4 3 6 YES YES
CLLYVL6438NS VAV 6 4 3 8 YES NO
*One Universal Input (UI-1) is user-selectable as a fast digital pulse meter.
All eight LYNX controllers communicate via the 78 kbps Echelon® L
interface, and are L
The LYNX controllers are field-mountable to either a panel or a DIN rail.
ONMARK®-compliant.
Universal
Inputs (UI)
Digital
Inputs (DI)
Product Data
GENERAL
The LYNX controllers CLLYUL1012S, CLLYUL4024S,
CLLYUL6438S, CLLYVL0000AS, CLLYVL4022AS,
CLLYVL4024NS, CLLYVL6436AS, and CLLYVL6438NS are
part of the LYNX family. They are Free Topology Transceiver
(FTT) L
ONMARK®-compliant devices designed to control
HVAC equipment.
LYNX controllers provide many options and advanced system
features that allow state-of-the-art commercial building
control. Each LYNX controller is programmable and configurable through software.
LYNX controllers are designed for use in VAV (Variable Air
Volume) and Unitary HVAC control applications. Each controller contains a host microcontroller to run the main HVAC
application and a second microcontroller for L
network communications. Each controller has flexible, universal inputs for external sensors, digital inputs, and a mix of
analog and digital triac outputs (see Table 1). The accompanying image is of the model CLLYVL6436AS, which
includes an actuator.
outdoor air temperature
resistive input generic 100 … 100k Ω
voltage input transducer,
0 … 10 Vdc
controller
discrete input dry contact
closure
open circuit > 3k Ω;
closed circuit < 3k Ω
BEFORE INSTALLATION
The controller is available in eight models (see Table 1).
Before installing the controller, review the power, input, and
output specifications in section “Technical Data”.
Hardware driven by Triac outputs must have a min.
current draw, when energized, of 25 mA and a max.
current draw of 500 mA.
Hardware driven by the analog current outputs must have
a max. resistance of 550 Ω, resulting in a max. voltage of
11 V when driven at 20 mA. If resistance exceeds 550 Ω,
voltages up to 18 Vdc are possible at the analog output
terminal.
WARNING
Electrical Shock Hazard.
Can cause severe injury, death or property
damage.
To prevent electrical shock or equipment damage,
disconnect power supply before beginning wiring or
making wiring connections.
INSTALLATION
The controller must be mounted in a position that allows
clearance for wiring, servicing, removal, connection of the
L
ONWORKS® Bus Jack and access to the Neuron® Service
Pin (see Fig. 13).
The controller may be mounted in any orientation.
EN0Z-0957GE51 R0615 2
LYNX LON PROGRAMMABLE, VAV/UNITARY CONTROLLERS – PRODUCT DATA
IMPORTANT
Avoid mounting in areas where acid fumes or other
deteriorating vapors can attack the metal parts of the
controller, or in areas where escaping gas or other
explosive vapors are present. See Fig. 4 and Fig. 7 for
mounting dimensions.
In the case of the CLLYVL0000AS, CLLYVL4022AS, and
CLLYVL6436AS models, first the actuator and then the
controller is mounted. For the other models, see section
“Mount Controller” on page 4 to begin the installation.
Mounting Actuator onto Damper Shaft
(Models with Actuator)
The CLLYVL0000AS, CLLYVL4022AS, and CLLYVL6436AS
controllers include the direct-coupled actuator with
DECLUTCH button, which is shipped hard-wired to the
controller.
The actuator mounts directly onto the VAV box damper shaft
and has up to 5 Nm torque, 90° stroke, and 90-sec timing at
60 Hz. The actuator is suitable for mounting onto a 10 to 13
mm square or round VAV box damper shaft. The min. VAV
box damper shaft length is 40 mm.
The two mechanical end-limit set screws control the amount
of rotation from 12° to 95°. These set screws must be
securely fastened in place. To ensure tight closing of the
damper, the shaft adapter has a total rotation stroke of 95°
(see Fig. 1).
NOTE 1: The actuator is shipped with the mechanical end
NOTE 2: The DECLUTCH button, when pressed, allows you
LIMIT SET SCREWS (2)
limit set screws set to 95° of rotation. Adjust the
two set screws closer together to reduce the
rotation travel. Each “hash mark” indicator on the
bracket represents approximately 6.5° of rotation
per side.
to rotate the universal shaft adapter (see Fig. 1).
UNIVERSAL SHAFT
UNIVERSAL SHAFT
ADAPTER
MECHANICAL END
CLAMPING BOLTS (2)
IMPORTANT
Determine the damper rotation and opening angle prior to
installation. See Fig. 2 and Fig. 3 for examples.
DAMPER
DAMPER SHAFT
ROTATES CW
TO OPEN
Fig. 2. Damper with 90° clockwise rotation to open
IMPORTANT
Mount actuator flush with damper housing or add a
spacer between the actuator mounting surface and
damper box housing.
Before Mounting Actuator onto Damper
Shaft (Models with Actuator)
Tools required:
Phillips #2 screwdriver - end-limit set screw adjustment
8 mm wrench - centering clamp
Before mounting the actuator onto the VAV box damper shaft,
determine the following:
1. Determine the damper shaft diameter. It must be
10…13 mm.
2. Determine the length of the damper shaft. If the length of
the VAV box damper shaft is less than 40 mm, the
actuator cannot be used.
3. Determine the direction the damper shaft rotates to open
the damper (CW or CCW) (see Fig. 3). Typically, there is
an etched line on the end of the damper shaft indicating
the position of the damper. In Fig. 2, the indicator shows
the damper open in a CW direction.
4. Determine the damper full opening angle (45, 60, or 90°).
In Fig. 2, the damper is open to its full open position of
90°.
DECLUTCH
BUTTON
Fig. 1. Floating actuator
EN0Z-0957GE51 R0615
3
LYNX LON PROGRAMMABLE, VAV/UNITARY CONTROLLERS – PRODUCT DATA
TYPE A DAMPER
AIR
FLOW
CW TO OPEN, CCW TO CLOSE
TYPE B DAMPER
AIR
FLOW
CCW TO OPEN, CW TO CLOSE
Fig. 3. Determining rotation direction (CW or CCW) for
damper opening
Mounting Actuator Onto Damper Shaft
(Models with Actuator)
The unit is shipped with the actuator set to rotate open in the
clockwise (CW) direction to a full 95°. The extra 5° ensures a
full opening range for a 90° damper.
The installation procedure varies depending on the damper
opening direction and angle:
1) If the damper rotates CW to open, and the angle of the
damper open-to-closed is 90°:
a) Manually open the damper fully (rotate CW).
b) Using the DECLUTCH button, rotate the universal
shaft adapter fully CW.
c) Mount the actuator to the VAV damper box and shaft.
d) Tighten the two bolts on the centering clamp (8 mm
wrench; 8...10 Nm torque). When the actuator closes,
the damper rotates CCW 90° to fully close.
2) If the damper rotates CW to open, and the angle of the
damper open-to-closed is 45 or 60°:
a) Manually open the damper fully (rotate CW).
b) The actuator is shipped with the mechanical end-limits
set at 95°. Adjust the two mechanical end-limit set
screws to provide the desired amount of rotation.
Adjust the two set screws closer together to reduce the
rotation travel.
c) Tighten the two mechanical end-limit screws (Phillips
#2 screwdriver; (3.0-3.5 Nm torque).
d) Using the DECLUTCH button, rotate the universal
shaft adapter fully CW.
e) Mount the actuator to the VAV damper box and shaft.
f) Tighten the two bolts on the centering clamp (8 mm
wrench; 8...10 Nm torque).
g) When the actuator closes, the damper rotates CCW
either 45 or 60° to fully close.
3) If the damper rotates CCW to open, and the angle of the
damper open-to-closed is 90°:
a) Manually open the damper fully (rotate CCW).
b) Using the DECLUTCH button, rotate the universal
shaft adapter fully CCW.
c) Mount the actuator to the damper box and shaft.
d) Tighten the two bolts on the centering clamp (8 mm
wrench; 8...10 Nm torque). When the actuator closes,
the damper rotates CW 90° to fully close.
4) If the damper rotates CCW to open, and the angle of the
damper open-to-closed is 45 or 60°:
a) Manually open the damper fully (rotate CCW).
b) The actuator is shipped with the mechanical end-limits
set at 95°. Adjust the two mechanical end-limit set
screws to provide the desired amount of rotation.
Adjust the two set screws closer together to reduce the
rotation travel.
c) Tighten the two mechanical end-limit screws (Phillips
#2 screwdriver; (3.0-3.5 Nm torque).
d) Using the DECLUTCH button, rotate the universal
shaft adapter fully CCW.
e) Mount the actuator to the VAV damper box and shaft.
f) Tighten the two bolts on the centering clamp (8 mm
wrench; 8...10 Nm torque).
g) When the actuator closes, the damper rotates CW
either 45 or 60° to fully close.
IMPORTANT
Special precautions must be taken for dampers that
open in a CCW direction. The actuator is shipped with
its rotation direction set to CW to open, which applies
to the damper direction in steps 1 and 2 above. If the
damper shaft rotates in the CCW direction to open, the
controller software must be programmed to change the
rotation to “Reverse to Open,” which applies to the
damper direction in steps 3 and 4 above.
IMPORTANT
To avoid the possibility of over-pressurizing the duct
work on fan start-up, it is advisable to leave the
dampers in an open position after installation. To
prevent over-pressurization in the duct work on fan
start-up, use the DECLUTCH button (see Fig. 1) to
open the box damper on powered-down controllers. To
declutch, press and hold the DECLUTCH button, thus
disengaging the motor. Turn the damper shaft until the
damper is open and then release the DECLUTCH
button. When power is restored to the controller, the
controller synchronizes the damper actuator, so that
the damper is in the correct position upon start-up.
Mount Controller
NOTE:The controller may be wired before mounting to a
Terminal blocks are used to make all wiring connections to
the controller. Attach all wiring to the appropriate terminal
blocks (see section “Wiring” on page 7).
See Fig. 4 and Fig. 7 for panel mounting dimensions. See
Fig. 8 for DIN rail mounting.
panel or DIN rail.
EN0Z-0957GE51 R0615 4
LYNX LON PROGRAMMABLE, VAV/UNITARY CONTROLLERS – PRODUCT DATA
159 149
11111111121
56789009
1234
12345678
PANEL MOUNTING
HOLE (4 X 4.5)
211
49105
DEPTH = 57
21
159
Fig. 4. Duct mounting, dimensions in mm
(CLLYVL0000AS, CLLYVL4022AS, and CLLYVL6436AS)
262
211
146
128
PANEL MOUNTING
HOLE (4 X 4.5)
123456781
164
2222222222
12345678901234567890
333333333
11111111
23456709
4
47
DEPTH = 57
11
159
Fig. 5. Duct mounting – controller and actuator,
dimensions in mm (CLLYVL6436AS, only)
122122
105105
111112222211
33
5678900
12
44
159159149149
11
34567890
11
22
PANEL MOUNTING
HOLE (4 X 4.5)
111112222211
33
5678900
12
44
DEPTH = 57DEPTH = 57
11
34567890
11
22
PANEL MOUNTING
HOLE (4 X 4.5)
Fig. 6. Panel mounting, dimensions in mm
(CLLYUL1012S, CLLYUL4024S, and CLLYVL4024NS,
only; CLLYUL4024S, and CLLYVL4024NS shown)
Panel Mounting
The controller enclosure is constructed of a plastic base plate
and a plastic factory-snap-on cover.
22222222223333333334
5678901234567890
1234
CLLYVL6438NS
146
139
128
DEPTH = 57
1234
5678
11111111
1
234
164
174
164
22222222223333333334
12345678901234567890
CLLYUL6438S
139
128
Fig. 7. Panel mounting, dimensions in mm
NOTE: The controller is designed so that the cover does
The controller mounts using four screws inserted through the
corners of the base plate. Fasten securely with four screws.
The controller can be mounted in any orientation. Ventilation
openings are designed into the cover to allow proper heat
dissipation, regardless of the mounting orientation.
DIN Rail Mounting (Models without Actuator)
To mount the CLLYUL1012S, CLLYUL4024S, and
CLLYUL6438S or CLLYVL6438NS controller onto a DIN rail,
see Fig. 8 and perform the following steps:
1. Holding the controller with its top tilted in towards the DIN
rail, hook the two top tabs on the back of the controller
onto the top of the DIN rail.
2. Push down and in to snap the two bottom flex connectors
of the controller onto the DIN rail.
DEPTH = 57
12345678
11111111
1
23456709
(CLLYVL6438NS and CLLYUL6438S)
not need to be removed from the base plate for
either mounting or wiring.
56709
EN0Z-0957GE51 R0615
5
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