Azbil CY8100C1000 User manual

AB-6256
1
Specifications/Instructions
Insertion Type CO2Concentration Transmitter
Model CY8100C1000 (Main Unit)
Part No. 83165722-002 (Assembly Kit)
General
Model CY8100C in combination with Part No. 83165722-002
is an insert type CO2concentration transmitter used for
detecting concentration of carbon dioxide (CO2) in ducts.
This product can be used in a wide range of applications
such as monitoring of CO2concentration in return ducts and
the control of outdoor air intake.
Features
•Non-dispersive infrared absorption method (NDIR)
•Linear output signal in 1-5 V DC range
•Long-term stability
Model Number and Part Number
For the insertion type CO2concentration transmitter, both of
the following items are required.
Model/Part number Description
CY8100C1000 Main unit
83165722-002 Assembly kit
- Sampling probe
- Gasket, 2 screws, 2 washers
- Cable assembly
Optional Parts
Part number Description
83165722-002 Assembly kit (for replacement)
- Sampling probe
- Gasket, 2 screws, 2 washers
- Cable assembly
83104511-001 Zero calibration service bag
(CO2zero calibration gas generator)
83104981-001 Zero calibration service cylinder
(CO2zero calibration gas cylinder)
Specifications (1/2)
Item Specification
Measuring range 0 to 2000 ppm CO2Concentration
Operating principle Non-dispersive infrared absorption
method (NDIR)
Measuring accuracy ±(50 ppm + 5 % of reading)
Drift Continuously ON: ±150 ppm/year
Continuously OFF (reference value):
±15 ppm/48 hours at 50 %RH
Time constant 15 min. or less (windless)
3 min. or less (0.6 m/s wind)
Operation CO2concentration: 0 to 2000 ppm
Temperature: 0 to 50 °C
Humidity: 0 to 95 %RH (non-condensing)
Environmental
conditions
Transport/
Storage
Temperature: -20 to 50 °C
Humidity: 0 to 95 %RH (in moisture-
proof package)
Power supply voltage 24 V AC ±10 %, 50 to 60 Hz
Power consumption Max. 3 VA
Output signal 1 to 5 V DC (linear with 0-2000 ppm
CO2concentration)
Allowable load resistance 5 kΩor more
Wiring Power supply: 2-wire
CO2concentration output: 2-wire
(2/2)
Item Specification
Initial stabilizing time Continuously OFF for 48 hours or longer:
Approx. 10 days (∗Product in a
package is exceptional.)
Other than the above: Approx. 3 days
Allowable vibration 4.9 m/s2(10 to 150 Hz)
Insulation resistance 100 MΩor higher at 500 V DC
(between the case and each lead wire)
Enclosure rating (main unit) IEC IP65 (dust-proof and water-proof)
Weight Approx. 350 g
Material Main unit
- Case: PC + ABS plastic
(Bayblend®FR90)
- Cover: PC Makrolon®6555
Sampling probe: PC Makrolon®6555
Application Indoor duct, chamber

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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
A
zbil
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
•Installation and wiring must be performed by qualified personnel in accordance with all applicable safety
standards.
•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 damage.
•All wiring must comply with local codes of indoor wiring and electric installation rules.
•This product does not have a power switch. Install the power circuit breaker in the power source.
•Always disconnect power source before performing any wiring.
•Use crimp terminal lugs with insulation for electric wires to be connected to the screw terminals.
•Make sure all the wires are tightly connected to the screw terminals. Loose connection may cause fire or heat
generation. Loose connection also may lower the measuring accuracy.
•Dispose of this product in accordance with your local regulations. Do not reuse all or part of this product.
Trademark information:
Bayblend and Makrolon are registered trademarks of Bayer MaterialScience AG.
IMPORTANT:
Regarding the operating conditions, in a space where fresh air is always required or more fresh air than usual
is required due to hard work intensity, it is dangerous to control fresh air (outdoor air) intake. Do not control
fresh air (outdoor air) intake using CO2measuring instruments including this product under such conditions.

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Dimensions
Main unit (with sampling probe assembled to)
Figure 1. Dimensions of the main unit with sampling probe (mm)
Assembly kit
•Sampling probe
•Cable assembly
Figure 2. Dimensions of the assembly kit (mm)
4P connector
shows the mounting orientation.
φ
4
φ
4
φ
25
28 28
Mounting hole
(on the duct)
4P connector
Cable (1 m long)
Main unit
Sampling probe
LCD

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Installation
Precautions for installation
•Installation environment
Although the main unit enclosure conforms to IEC IP65 for dustproof and waterproof, avoid installing in locations exposed to
corrosive atmosphere or direct sunlight.
•Handling of the main unit
The main unit is packaged in a tightly sealed aluminum moisture-proof bag for shipment. This prevents large output drift
that may be caused from moisture absorption of the main unit continuously non-energized. Table 1 shows the output drift
(reference value) after the main unit has been left without power supply.
Note that output drift of the main unit continuously energized is ±150 ppm/year.
Table 1. Output drift of the main unit continuously non-energized (reference value)
Non-energized period
to 6 hours to 12 hours to 24 hours to 48 hours
30 <±10 ppm drift
50 <±10 ppm drift <±15 ppm drift
Humidity (%RH)
80 <±10 ppm drift <±15 ppm drift <±25 ppm drift
IMPORTANT:
The main unit is packaged for shipment after inspection and calibration. To minimize the output drift that may
occur after its installation, it should be unpacked and mounted just before the power is supplied (approximately
within 48 hours).
If the main unit has been continuously non-energized (since it is unpacked till it is activated, or since it is shut
down) for 48 hours or over, be sure to conduct the CO2zero gas calibration (explained later) after the power is
supplied.
Assembly
The assembly kit (sampling probe and cable assembly) and the main unit must be ordered and mounted separately to minimize
the drift (See the above Precautions for installation section.) caused by the main unit left non-energized after being unpacked.
If it takes more than 48 hours to activate after the product installation, mount only the assembly kit at the time of installation and
unpack the main unit to mount right before activating.
Installation of assembly kit
Sampling probe: Sampling probe needs to be mounted to the duct first before mounting the main unit.
1) Select a the probe mounting position where the typical CO2concentration of the air can be detected and where the specific
air velocity can be acquired.
2) Drill a hole with 25 mm diameter for mounting the sampling probe and two holes with 4 mm diameter for the screws, as
shown in Figs. 2 and 3.
3) Provide a gasket between the probe and the duct, and insert the sampling probe so that the air sampling part is completely
inserted inside the duct to expose it to the air inside the duct.
4) Set the sampling probe so that the air flows perpendicularly to the probe (air sampling part), as shown in Fig. 3.
5) Check the mounting orientation. ‘UP’ mark on the sampling probe (See Figs. 2 and 3.) must be positioned on the upper side.
Then, fix the sampling probe with two M4 screws with washers on the both sides.
Figure 3. Sampling probe mounting to the duct
A
irflow direction
‘UP’ mark
(UP mark on the upper side)
M4 screw and washer
(another one on the other side.)
Sampling probe
Duct
Gasket
φ4 mm hole
φ25 mm hole

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Cable assembly: Following is an example of cable assembly installation using round outlet box (JIS* C8340) with two entries.
∗JIS: Japanese Industrial Standard
Lead the controller cable into the outlet box through an entry. Connect the controller cable with the cable assembly, as shown in
Fig. 4.
Note that the size of the entry must be large enough for the main unit cable connector to lead through. The main unit cable will
be connected when the power is supplied. (See Figs. 1 and 4.)
Figure 4. Connection example of cable assembly
Installation of main unit
Main unit is easily assembled with the sampling probe by snap-in bayonet mount. Refer to the following procedure.
1) Engage the notches of the main unit with the locking knobs of the sampling probe, then lightly press the main unit.
2) Turn the main unit clockwise until it stops, as shown in Fig. 5.
Figure 5. Assembling the main unit with the sampling probe
3) Connect the main unit cable with the cable assembly, to which the controller cable has already been connected, as shown
in Fig. 6.
Figure 6. Connection of the main unit cable with the cable assembly
Round outlet box
with 2 entries
Controller
Cable assembly
Entry
Lead the main unit cable
through this entry to connect
with the cable assembly.
Cable assembly
Connect.
A
ssemble.
A
ttach.
Turn.
Notch
Locking
knob
Controller
Main unit
Round outlet box
with 2 entries
Lead through entry.
Entry Cable assembly
Connect.

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Wires Connection
Connection of power supply line
IMPORTANT:
Do not apply power supply voltage other than 24 V AC. Otherwise, it may damage the product.
Use insulation transformer. Do not share the 24 V AC power supply with any other device. If the transformer is shared, a loop
will formed at common and the product may get damaged. Refer to the following examples.
Shared transformer: Incorrect example Separate transformer: Correct example
Loop is formed at the common line. Loop is not formed at the common line.
Figure 7. Connection examples: with shared transformer and with separate transformers
Terminals layout
Figure 8. Terminals arrangement
Operation
Operation check
Remove the front cover of the main unit, and breathe directly onto it 10 cm away from the main unit. Check that the reading on
the LCD and the output ascend quickly.
LCD indication
On the LCD, CO2concentration is continuously displayed. The display is changed a when a button is pressed, as shown in Fig.
10. For the layout of each button, see Fig. 9.
In the event of equipment trouble, tool icon is displayed on the LCD, as shown in Fig. 11.
LED indication
Green LED: Normal operation
Yellow LED: Initializing, pressing a button, error during calibration
+
∼
⊥
24 V AC
Multi-loop
controller
CO2 concentration
transmitter
Shared
common line
CO2 concentration
transmitter
-⊥
+
+
∼+
⊥- ⊥
24 V AC
Multi-loop
controller
24 V AC
+
∼+
⊥- ⊥
+
∼+
⊥- ⊥
UP
BR WH Y GR
Lead wires of the main unit cable
Lead color Description
WH: White 24 V AC power (common)
BR: Brown 24 V AC power
GR: Green Common output (-)
Y: Yellow 1-5 V DC output (+)
Lead wires of the cable assembly
Lead color Description
White 24 V AC power (common)
Brown 24 V AC power
Green Common output (-)
Yellow 1-5 V DC output (+)

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Maintenance
Periodic inspection
Since the measurement gases flow into the inside of the housing, annual cleaning of circuit boards inside the housing is
recommended.
Periodic calibration
The output drift (a maximum of 150 ppm/year) occurs even if this product is in continuously energized state. Be sure to conduct
a CO2zero gas calibration every year.
IMPORTANT:
As mentioned in Installation section, leaving the main unit non-energized for a long time may cause drift in
Table 1. In such a case, CO2zero gas calibration of the main unit must be carried out after the supply of power.
Note that the output needs about ten days to stabilize for the main unit continuously non-energized for a long
time. Please calibrate the main unit when it has been continuously energized for 10 days.
The zero calibration service bag (Part No. 83104511-001) needs to be ordered for the main unit calibration.
Refer to the following procedure and perform CO2zero gas calibration. (See Figs. 9 and 10)
1) Remove the front cover from the main unit.
2) Remove the adaptor attached to the rear side of the front cover, and attach the adaptor to the CO2zero gas inlet on the main
unit. Connect the zero calibration service bag with the main unit CO2zero gas inlet, referring to Specifications/Instructions
of the zero calibration service bag (AB-5803). Two inlets are provided on the main unit. Use either one.
3) Turn on the zero calibration service bag to start supplying CO2zero gas to the main unit.
4) Keep supplying the CO2zero gas until CO2concentration is stabilized (approximately for five minutes).
5) When CO2concentration is stabilized, calibrate the main unit referring to Fig. 10.
6) Yellow LED lights up to indicate when calibration is completed successfully. Then, the LCD returns to display the CO2
concentration.
7) Remove the adaptor from the CO2zero gas inlet and attach it to the rear side of the front cover.
8) Put the front cover back to the main unit.
Refer to AB-5803 for handling the zero calibration service bag (Part No. 83104511-001).
Layout of CO2zero gas inlets, buttons, and LED Operation flow of CO2zero gas calibration and error code check
CO2zero gas inlets
(Use either one for CO2zero gas calibration.)
+ button
- button
Menu button
Yellow LED
Green LED
Figure 9. Layout of CO2zero gas inlets, buttons, and LED
on the main unit (without the front cover)
(Menu)
(Menu)
(-)
(Menu)
CO2concentration display [XXXX ppm]
Error code [EXXX] Error code reset
Zero gas calibration [CAL]
Confirmation of zero gas
calibration excecution [SURE]
Execution of
zero gas calibration
(+)
(-)
(+)
(+)
(Menu)
(-)
(Menu)
(-)
(Menu): Press Menu button.
(+): Press + button.
(-): Press - button.
Notes:
∗Indication on LCD returns to CO2concentration if no button is
pressed for 10 seconds.
∗Let go of the main unit when LED turns on.
∗Wait until the LED turns off, then go to the next operation.
[ ]: Indication on the LCD.
: CO2zero gas calibration
Figure 10. Operation flow of
CO2zero gas calibration and error code check.

AB-6256
Specifications are subject to change without notice.
Building Systems Company
http://www.azbil.com/
Rev. 1.0 Jul. 2012 AB-6256 Y (W03)
(J: AI-6256 Rev. 1.6) Printed in Japan.
8
Fault detection self diagnostics
This product contains fault detecting self diagnostic functions. Error or faulty operation occurring when the power is turned on or
during the normal operation is detected and indicated with the yellow LED and the too icon on the LCD as shown in Fig. 11.
Figure 11. Tool icon on the LCD
If error code except E000 (normal operation) and E032 (CO2concentration level out of 0-9999 ppm range) is displayed, there
may be something abnormal with the product. Please contact our service personnel. (See Fig. 10 for checking error code.)
Note that the yellow LED also lights up during: •Initialization
•Pressing a button
•Calibration