Table of Contents
Advertisement
Quick Links
Duct Temperature/Humidity Sensor
General
Duct temperature/humidity sensor Model HTY78X3 series
uses a platinum resistance temperature detector for a
temperature sensing element, and a polymer capacitive
™
humidity sensor (FP3
developed by Azbil Corporation) for a
humidity sensing element, enhancing accuracy and reliability
of temperature/humidity sensing.
With wide sensing range and great stability, Model HTY78X3
series is suitable for various applications including building
air conditioning (ducts and AHU) and meteorological
observation as well as industrial applications.
Model TY78X3 series temperature sensor and Model
HY78X3 series humidity sensor are also available.
AHU: Air handling unit
Features
●
Wide temperature/humidity sensing range with high
accuracy.
●
Excellent long-term stability.
●
Highly environmental resistance.
●
Quick response and high repeatability.
●
Easy installation to a duct/AHU with quick-detachable
bracket (dedicated).
Duct Temperature Sensor
Duct Humidity Sensor
1
Model HTY7803
Model TY7813
●
Dust-proof and splash-proof housing (IEC IP54).
●
No filter maintenance required:
Filterless probe of Model TY78X3Z series is the splash-
proof enclosure.
●
CE Marking certified product:
The following models conform to all the applicable
standards of CE Marking.
- Model HTY78X3 series
- Model HY78X3 series
AB-5961
Specifications/Instructions
Advertisement
Table of Contents
Related Manuals for Azbil HTY78
Summary of Contents for Azbil HTY78
- Page 1 ™ humidity sensor (FP3 developed by Azbil Corporation) for a humidity sensing element, enhancing accuracy and reliability of temperature/humidity sensing. With wide sensing range and great stability, Model HTY78X3...
-
Page 2: Safety Instructions
Azbil Corporation will not bear any responsibility for the results produced by the operators. Warnings and Cautions ... - Page 3 AB-5961 CAUTION (2/2) Do not use transceivers or low power wireless devices near this product. Doing so might cause radio wave interference and malfunction of the product. Carefully press the rubber packing. Your fingers holding the tool might slip causing injury if you put too heavy force on the rubber packing. Do not disassemble the product.
-
Page 4: Model Numbers
Power Humidity Temperature ⎯ ⎯ Type Description number supply output output HTY78 Duct temperature/humidity sensor TY78 Duct temperature sensor HY78 Duct humidity sensor Long probe Short probe Fixed. 24 V DC / 24 V AC No power required 24 V DC (two-wire) -
Page 5: Specifications
AB-5961 Specifications (1/2) Item Specification -20 °C to 60 °C Measuring range Temperature Humidity 0 to 100 %RH (non-condensing) ±0.3 °C (at -20 °C to 60 °C) Measuring accuracy Temperature RTD (Pt100) * 1 mA applied current, 2 m/s air velocity for Models HTY78X3TXP00, TY78X3Z0P00 RTD (Pt1000) ±0.5 °C (at -20 °C to 60 °C) * 0.1–0.3 mA applied current, 2 m/s air velocity... - Page 6 AB-5961 (2/2) Item Specification Enclosure rating Housing IEC IP54 (dust-proof and splash-proof) * The specified water-proof gland and multi-core cables must be used. OR The specified cable conduit must be used. * Enclosure rating of the Probe of Model TY78X3Z series is IEC IP24. Color Housing Gray...
- Page 7 AB-5961 Dimensions Models HTY7803, TY7803, HY7803 series 247.6 51.3 67.3 45.6 Figure 1. Dimensions: Models HTY7803/TY7803/HY7803 (mm) Models HTY7813, TY7813, HY7813 series 108.6 51.3 67.3 45.6 Figure 2. Dimensions: Models HTY7813/TY7813/HY7813 (mm) Mounting bracket Part No. 83157235-001 (optional) 62.5 72.3 Figure 3.
-
Page 8: Installation Requirements
AB-5961 Installation CAUTION Install the product in a location that satisfies the operating conditions (temperature, humidity, power, vibration, shock, mounting direction, atmospheric condition, etc.) as listed in the specifications and use the product within the operating ranges as listed in the specifications. Failure to do so might cause fire or device failure. - Page 9 AB-5961 4) Release the stopper of the duct sensor by turning the Installing Models HTY7813, TY7813, HY7813 series stopper 45° (from "a" to "b" shown in Fig. 7). Then, insert (onto AHU, in instrument shelter, etc.) the probe into the bracket and engage the tabs of the 1) Prepare the dedicated mounting bracket.
-
Page 10: Precautions For Wiring
AB-5961 Wiring WARNING Before wiring and maintenance, be sure to turn off the power to the product. Failure to do so might cause electric shock. After wiring, be sure to reattach the terminal cover. Failure to do so might cause electric shock. ... - Page 11 AB-5961 Transformer for the duct humidity sensor / the duct temperature/humidity sensor IMPORTANT: Use isolated transformer to supply 24 V AC power. Single duct humidity sensor or duct temperature/humidity sensor must be powered by a single 24 V AC transformer. If the multiple duct sensors or the duct sensor and other devices are powered by a single 24 V AC transformer, the common wiring will form a loop, and the duct sensor will get damaged.
-
Page 12: Wiring Procedure
AB-5961 Lead the cable into the duct sensor through the port, and Wiring procedure screw the attachment onto the wiring port. Position the 1) Remove the front cover. conduit connector so that its conduit set screws can be Detach the front cover while pressing the release tab of easily tightened, and then tighten the conduit nut.. -
Page 13: Wiring Diagrams
AB-5961 Wiring diagrams Terminal wiring diagrams: Models HTY78X3T and HY78X3T series (24 V AC/DC power type) Models HTY7803T1P00, HTY7803T4P00, Models HY7803T1000, HY7803T4000, HTY7813T1P00, HTY7813T4P00 HY7813T1000, HY7813T4000 ∼ ∼ Power Power 24 V AC/DC 24 V AC/DC supply supply ⊥ ⊥ 1-5 V DC / 1-5 V DC / Humidity... -
Page 14: Inspection And Maintenance
AB-5961 Inspection and Maintenance Since Models HTY78X3, HY78X3, and TY78X3 series are factor-inspected and -calibrated for high accuracy, no field calibration is necessary when these products are installed. For inspection and maintenance, follow the maintenance instructions below: Periodic inspection Periodically inspect these products for its sensing accuracy. Set the period between inspections based on how much atmospheric dust and other contaminants are contained in the installation environment. - Page 15 AB-5961 1) Prepare the new filter set (optional) for replacement. 3) Attach the new filter and then the new filter cap to the Loosen the old filter cap and filter and remove from the duct sensor. duct sensor. Filter cap Filter Loosen.
- Page 16 While calibrating the duct sensor or tuning the controller in connection, do not allow the heat generated from human body and/or appliances to affect the duct sensor or the controller. Specifications are subject to change without notice. Building Systems Company http://www.azbil.com/ Rev. 7.0 Sep. 2015 AB-5961 (J: AI-5961 Rev. 7.2)
Need help?
Do you have a question about the HTY78 and is the answer not in the manual?
Questions and answers