Azbil MY8045A User manual

AB-6682
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Specifications/Instructions
Intelligent Component Series
Direct Coupled Damper Actuator
(Spring-Return Type)
Model MY8045A
General
Model MY8045A direct coupled damper actuator is a
motorized spring-return type actuator to open/close a
damper.
Model MY8045A communicates with a controller via SAnet
(Azbil Corporation’s communication protocol).
Features
•Intelligent Component Series Model MY8045A
communicates with a controller via SAnet, and thus
position control signal/position feedback signal is input to
/output from the controller.
•Manual open/close function allows easy adjustment
without power supply.
•Torque limit circuit inside the actuator automatically
stops the damper in fully closed or open positions.
•Low power consumption allows energy conservation.
•Large torque is assured despite compact, lightweight
design.
•Spring-return actuator automatically closes the damper
in 0 % position in case that the power is down.
•Rotary switch on the front surface easily changes the
motor rotating direction.
•Simple physical structure facilitates installation on most
types of the damper shafts.
•Model MY8045A damper actuator conforms to all the
applicable standards of CE Marking.
IMPORTANT:
This product is applicable to 50 Hz utility
frequency, not to 60 Hz utility frequency.

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Safety Instructions
Please read instructions carefully and use the product as specified in this manual. Be sure to keep this manual near by for ready
reference.
Usage Restrictions
This product is targeted for general air conditioning. Do not use this product in a situation where human life may be affected. If
this product is used in a clean room or a place where reliability or control accuracy is particularly required, please contact Azbil
Corporation’s sales representative. Azbil Corporation will not bear any responsibility for the results produced by the operators.
WARNING
•Do not disassemble the product. Disassembly may result in electrical shock or equipment damage.
CAUTION
•This product must be operated under the operating conditions (power, temperature, humidity, vibration, shock,
installation position, atmospheric condition, etc) specified in this manual to prevent equipment damages.
•This product must be operated within its rated operating ranges specified in this manual. Failure to comply will
cause equipment damages.
•Operate the product within the service life, and avoid application that keeps product operating cycle excessively
frequent. Overuse of the product may shorten the product service life.
•Installation and wiring must be performed by qualified personnel in accordance with all applicable safety
standards.
•Do not install the product in a location with high temperature radiation. High temperature radiation may result in an
actuator malfunction.
•Do not put heavy load on the product. It may get damaged.
•All wiring must comply with local codes of indoor wiring and electric installation rules.
•This product does not have a power switch. Be sure to provide a power circuit breaker in the power source.
•To prevent product damage, always disconnect the power supply from the product before performing installation
and wiring.
•Make sure all the wires are tightly connected. Incomplete connection may result in an actuator malfunction.
•Do not touch the moving part of the product in operation to prevent personal injury.
•Dispose of this product as an industrial waste in accordance with your local regulations. Do not reuse all or part of
this product.
Trademark information:
ACTIVAL, Infilex, and savic-net are trademarks of Azbil Corporation in Japan or in other countries.
BACnet is a registered trademark of American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE).

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System Configurations
Notes:
∗MIS may be used instead of SMS and DSS for your system. Note that MIS cannot be mixed with SMS or DSS in the same system.
∗Up to two SAnet I/F (interface) modules can be connected to one Infilex GC/Infilex GD.
∗For detailed specifications of SAnet, refer to Installation Manual of Intelligent Component Series for SAnet Communication
(AB-6713).
∗1 damper actuator or 1 ACTIVAL requires 1 SAnet address. 1 ACTIVAL PLUS requires 2 SAnet addresses.
Figure 1. System configuration example: SAnet connection in savic-net™FX system
Client PC
SCS
SMS
Infilex™AC
Model WY5117C
Infilex™GC
Model WY5111
Infilex™GD
Model WY5110
PMX-III
Model WY2001
Infilex
™
FC
Model WY5205
Infilex
™
VC
Model WY5206
Neopanel
Model QY7205
(Digital user terminal)
Neoplate Model QY7290
(Analog user terminal)
NC-bus (Max. 25 units and 500 m, but extendable up to 1000 m with the repeater module.)
SC-bus (Max. 50 units and 1000 m)
BACnet®/IP
Infilex
™
SC
Model WY5207W
Neopanel
Model QY7205
(Digital user terminal)
DSS
MIS
SAnet
I/F
Intelligent Component
Series
ACTIVAL™
Infilex™ZM
Model WY5122
SAnet (Max. 15 addresses)
Intelligent Component
Series
Damper actuator
Display Panel
Intelligent Component
Series
ACTIVAL™PLUS
Temperature sensor
for pipe surface
DSS: Data Storage Server
MIS: Management Integration Server
PMX-III: PARAMATRIX™-III
SCS: System Core Server
SMS: System Management Server

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Specifications
Item Specification
Model number MY8045A2001
Power supply voltage 24 V AC ±20 %, 50 Hz (Do not use this product at 60 Hz utility fequency.)
Power consumption 10 VA
Rotating angle Max. 95°
Operating time Motor: Approx. 150 s / Spring-return: Approx. 16 s
Torque at the rated voltage 15 N⋅m
Ambient operating conditions -20 °C to 50 °C, 10 %RH to 90 %RH (non-condensing)
Transport/storage conditions -20 °C to 60 °C, 95 %RH or less (non-condensing)
Enclosure rating IEC IP54 (dust-proof and splash-proof)
* This product is not rain-proof and thus is for indoor use only.
(Cable conduit must be facing downward.)
Cable 0.75 mm2×3 cores, 1 m long
Color Silver gray
Weight 2800 g
Applicable damper shaft Circular: φ10 mm to φ20 mm, 95 mm long or longer
Square: 10 mm diagonal to 16 mm diagonal, 95 mm long or longer
Accessories •M4 tapping screws ×2
•Universal bracket ×1 (Part No. 12596-0001)
•Mechanical stopper (Part No. ZDB-AF)
•Installation instruction sheet ×1
•Hexagon wrench ×1
Insulation resistance Between case and cable: 100 MΩor higher at 500 V DC
Withstand voltage Between case and cable: 500 V AC for 1 min., 1 mA or less
Control signal SAnet
Communication Transmission system Voltage transmission (SAnet)
(via SAnet) Transmission speed 1200 bps
Transmission distance Transmission distance varies depending on the number of devices and the type of devices
to be connected to. For details on the transmission distance, refer to Installation Manual
of Intelligent Component Series for SAnet Communication (AB-6713).
Function
Function Description
Data monitoring*1Following items can be monitored/operated from the host system (savic-net FX) and
Infilex GC / Infilex GD.
Damper position setting, damper position measuring
Adaption
(setting of rotation angle)
Rotation angle of the damper (controlled by the actuator) is adjusted with PC-MMI or with
Data Setter. (See P.10.)
Damper position
adjustment
Synchronisation*2
(position alignment)
Actual damper position and the position of the actuator are matched with PC-MMI, with
Data Setter, or when power is restored from blackout. (See P.10.)
Notes:
∗1 Above functions are available in combination with Infilex GC/Infilex GD and savic-net FX.
∗2 Positions of the actuator and of the damper are matched by fully closing the actuator and the damper.
Synchronisation at the time of power restoration is enabled/disabled by parameter setting.

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Dimensions
Actuator
Figure 2. Dimensions (mm): Damper actuator
∗Clearance for maintenance
148.5
248
98 97.5
200*
57
50
100*
10
188
49
5.1
6.5
∗
Clearance for maintenance
2812.5
5
67
10
100*
188
80 9
100*

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Universal bracket (Part No. 12596-0001)
Figure 3. Dimensions (mm): Universal bracket
∗Note:
Universal bracket is supplied with the product. Additionally order only when necessary.
Parts Identification
Figure 4. Parts identification
2 pan-head tapping screws (slotted, M4 ×12, 1.4 pitch)
equivalent to JIS* B 1115-1976 are attached to the
universal bracket.
∗JIS: Japanese Industrial Standards
229
R2.2
20
12
5
2
7
2
R2.2
R2.2
R2.2
4 4 510
23
35
47
58.25
71
83
105
Service pin switch
(Manual switch)

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Installation
CAUTION

•To prevent product damage, always disconnect
the power supply from the product before
performing installation and wiring.
IMPORTANT:
•Avoid application that keeps product operating
cycle excessively frequent.
•Meet the actuator rotating direction with the
damper rotating direction.
•Tighten the screws so that the actuator is securely
assembled with the damper.
•When installing this product, leave clearance for
maintenance as shown in Fig. 2.
Installation procedure: Min. 95 mm long shaft
Actuator with forward rotation (‘L’ side outward)
1) Mount the actuator with the ‘L’ side facing outward to the
damper shaft and temporarily tighten the hexagonal nuts
of the shaft clamp. Then, set the mounting position of
the universal bracket.
Figure 5. Installation of the actuator with forward rotation
to min. 95 mm long shaft (1)
2) Insert the universal bracket into the slit of the actuator
and fix the bracket onto the damper with the two M4
tapping screws.
Figure 6. Installation of the actuator with forward rotation
to min. 95 mm long shaft (2)
3) Confirm that the damper shaft is in fully closed position
and tighten the hexagonal nuts to completely fix the
actuator. Width across flats of the nuts is 10 mm.
Actuator with reverse rotation (‘R’ side outward)
1) Remove the C-clip from the shaft clamp and take out the
shaft clamp.
Figure 7. Installation of the actuator with reverse rotation
to min. 95 mm long shaft (1)
2) Turn over the actuator so that its ‘R’ side faces outward.
Refit the clamp in the actuator from the ‘R’ side, and then
attach the C-clip to fix the clamp.
Figure 8. Installation of the actuator with reverse rotation
to min. 95 mm long shaft (2)
3) Mount and fix the actuator to the shaft, referring to the
procedure of Actuator with forward rotation (‘L’ side
outward).
M4 screws
C-clip
1. Remove. 2. Take out.
Shaft clamp
Side ‘L’
Side ‘R’
1. Refit.
2. Attach.
Damper shaft
Damper blade
Forward rotation
indicator ‘L’
Universal bracket
Side ‘L’
Shaft clamp
Hexagonal nuts

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Installation procedure: 20 mm to 95 mm long shaft
1) Remove the C-clip and take out the shaft clamp.
2) Attach the shaft clamp to the damper shaft, mount the
actuator to the clamp, and attach the C-clip to the shaft
clamp to fix the shaft clamp.
3) Mount the universal bracket with 2 M4 screws, and fix
the actuator.
Actuator with forward rotation (‘L’ side outward)
Figure 9. Installation of the actuator with forward rotation
to 20-95 mm long shaft
Actuator with reverse rotation (‘R’ side outward)
Figure 10. Installation of the actuator with reverse rotation
to 20-95 mm long shaft
Wiring
CAUTION
•To prevent product damage, always disconnect
the power supply from the product before
performing installation and wiring.
•This product is designed for 24 V AC power
supply voltage. Do not apply any other voltage
(e.g., 100 V AC, 200 V AC) to the product.
Connect the lead wires as follows:
∗Lead wire number
(indicated on each wire insulation)
Figure 11. Lead wires connection
For details regarding wires connection, refer to Installation
Manual of Intelligent Component Series for SAnet
Communication (AB-6713).
Side ‘L’
Black
SAnet
⊥
∼
24 V AC
Model MY8045A2001
1* 2* 5*
Red White
Side ‘R’

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Address Setting (Addressing)
To SAnet interface module, the damper actuator Model MY8045A2001 and other Intelligent Component Series devices
including ACTIVAL and ACTIVAL PLUS are connected via SAnet. Set address for the terminal devices (Intelligent Component
Series devices) so that the SAnet interface module can recognize all the terminal devices connected. Follow the procedure
below to set the address. For details regarding address setting (addressing), ask our sales/service personnel.
Setting with service pin switch (manual switch):
1) Start addressing operation* of Data Setter or PC-MMI. Then, press the service pin switch to change the operating direction
as: L →R →L or R →L →R. Perform the operation within 5 seconds.
2) Address is set within 5 seconds after pressing the service pin switch.
∗Communication trouble and duplicated address cause addressing error. Check that address is correctly set in Data Setter or PC-MMI.
Setting based on SAnet ID:
With Data Setter or PC-MMI, enter the SAnet ID (on the SAnet ID label) and address number to set. The SAnet ID label is
attached on a side surface of the actuator, as shown in Fig. 12.
Figure 12. Locations of the labels
IMPORTANT:
Address setting must be performed by our service personnel or qualified expert.
Table 1. Basic address setting of this product and other Intelligent Component Series devices
Address. Device Sub-DO Sub-DI
1 Outdoor air damper
2 Exhaust air damper
3 Return air damper
4 Switch damper of total heat exchanger for outdoor air
5 Switch damper of total heat exchanger for exhaust air
6 Chilled/hot water valve / Chilled water valve Filter alarm
7 Hot water valve (Chilled water valve*) Humidifying ON/OFF
8 Humidifying valve
9 Reserved
A (10) Reserved
B (11) Reserved
C (12) Reserved
D (13) Reserved
E (14) Reserved
F (15) Reserved
Notes:
∗1. For ‘chilled/hot water valve + chilled water valve’ application, set 6 for chilled/hot water valve and 7 for chilled water valve.
∗2. Items in bold characters are the basic address to set for this product.
∗3. The above table is a basic setting example. Set address and use auxiliary I/O in response to system configuration, installation location,
wiring.
SAnet ID label
System indication label

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System Indication Label
System indication label is attached to the front surface of the product. Write down the name of the SAnet system, host controller
number of the SAnet system, SAnet line number, and address.
Figure 13. SAnet system indication label
Adaption (Setting Rotating Angle)
CAUTION
•Before performing Adaption, check that the rotating direction of the product is correct.
When the rotation angle of the actuator is adjusted or changed, the actuator needs to memorize (adapt) the adjusted/changed
rotation angle. Note that Adaption is performed by our service personnel.
(To our service personnel: Refer to Engineering Manual of Intelligent Component Series for SAnet Communication (AB-6685))
Synchronisation (Position Alignment)
Damper position which the actuator controls disagrees with the actual damper position if actuator mounting position on the shaft
is changed. In such a case, the actuator requires Synchronisation so that the damper position controlled by the actuator and the
actual damper position agree (synchronize). Note that Synchronisation is performed by our service personnel.
(To our service personnel: Refer to Engineering Manual of Intelligent Component Series for SAnet Communication (AB-6685))
Setting of the Maximum Rotation Angle
To set the maximum rotation angle of the damper actuator to 90°or narrower, use the mechanical stopper supplied with the
product. The mechanical stopper allows to set every 5°increment within 30°to 90°range.
Setting procedure
1) Attach the mechanical stopper to a position according to the range to be set. Insert the mechanical stopper into grooves
provided on the damper actuator, as shown in the figure below.
2) Fix the mechanical stopper with the accessory tapping screw. There are 3 tapped holes (indicated with ‘x’) provided on the
scale of the damper position. Insert the tapping screw into either one of the holes, through the mechanical stopper.
Figure 14. Mechanical stopper
Write down the following.
•SYSTEM NAME:
System name or device number
•CON No.:
Host controller number
(Infilex GC/Inifilex GD number)
•SAnet No.:
SAnet line number
•ADDRESS:
SAnet address
System indication label
SAnet ID label
30 to 90°

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Manual Operation
To lock the damper shaft at a certain position:
Insert the accessory hexagon wrench to the hexagonal hole provided on the front surface of the damper actuator.
Rotate the wrench to ‘open’ direction (counterclockwise). When you reach the target position, reverse the rotation (clockwise) a
bit to hold the position.
To release the locked damper shaft:
Insert the accessory hexagon wrench to the hexagonal hole provided on the front surface of the damper actuator.
Rotate the wrench to ‘open’ direction until the lock is released. Once the lock is released, the actuator will shut off the damper by
the spring-return operation.
Figure 15. Manual operation
Setting of the Auxiliary Switches
This product is equipped with two SPDT switches. One is fixed at 5°and the other is adjustable between 25°and 85°. Set the
switches using the accessory hexagon wrench as shown in the figure below.
Figure 16. Auxiliary switch setting

AB-6682
Specifications are subject to change without notice.
Building Systems Company
http://www.azbil.com/
Rev. 1.1 Jul. 2012 AB-6682
(J: AI-6682 Rev. 1.0)
12