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Room Temperature/Humidity Sensor
„ Overview
This product is an electronic room sensor.
It is attached to the wall in the room to measure the
relative humidity and temperature.
The humidity sensor (Model HY7045T1000)
a n d t e m p e r a t u r e / h u m i d i t y s e n s o r ( M o d e l
HTY7045T1100, HTY7045T1P00) are available.
This product is a highly accurate and reliable sensor
using a resistance temperature detector (Pt100)
as temperature sensing element and a polymer
capacitive humidity detector as humidity sensing
element developed by Azbil Corporation.
With a wide measurement range and excellent
stability, it can be applied to various indoor
applications including air conditioning for general
buildings.
„ Features
• Wide temperature and/or humidity sensing range
with high accuracy
• Excellent long-term stability
• High environmental resistance
• Quick response and high repeatability
• Compact (thin) and lightweight
IMPORTANT • The measuring accuracy of this product
is the value when it is shipped from the
factory.
Even if it is used in normal air, the output
may be shifted depending on the operating
environment.
recommended.
• Corrosive gases or organic solvents may
cause shift in humidity output or damage
the product.
if the product is used in an environment
different from the ordinary air, please
contact Azbil Corporation.
Room Humidity Sensor
Periodical inspection is
Specifications/Instructions
© 2019–2020 Azbil Corporation. All Rights Reserved.
1
AB-7521
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Summary of Contents for Azbil HY7045T1000
- Page 1 • Corrosive gases or organic solvents may cause shift in humidity output or damage the product. if the product is used in an environment different from the ordinary air, please contact Azbil Corporation. © 2019–2020 Azbil Corporation. All Rights Reserved.
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Page 2: Safety Precautions
Azbil Corporation. The symbol inside graphically Azbil Corporation bears no responsibility for any indicates the prohibited action. (For result, or lack of result, deriving from the customer's Disassemble example, the sign on the left means use of the product. - Page 3 AB-7521 CAUTION CAUTION Do not disassemble or modify this Use this product under the operating product. conditions (for temperature, humidity, Doing so may cause device failure or power, vibration, shock, mounting Prohibition electric shock. location, atmosphere, etc.) listed in the specifications.
- Page 4 Room humidity sensor Temperature Output wire Model number Power supply Humidity output Company logo output connection HY7045T1000 24 V DC/AC 1–5 V – – – – – Lead wire output common HY7045T1000-1 z Room temperature/humidity sensor Temperature Output wire...
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Page 5: Optional Parts
AB-7521 z Optional parts This product is used with the dedicated mounting kit (optional parts) , auxiliary devices, etc. Dedicated mounting kits Model number Item Contents 83165803-001 Wall-direct Wall-direct mounting kit: Mounting plate mounting kit 1 pc 2 pan-head screws Mounting plate: 1 pc (M4, L = 8) Main unit of... - Page 6 AB-7521 „ Specifications z Room humidity sensor Item Specification Measuring range 0–100 % RH Measuring accuracy ± 3 % RH (20–80 % RH, 15–35 °C) Output signal 1–5 V DC (linear characteristic for 0–100 % RH) , minimum 50 kΩ input impedance of the controller in connection Time constant 40 sec max.
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Page 7: Common Specifications
AB-7521 z Common specifications Item Specification Power supply 24 V AC, -15/+10 % (50/60 Hz) 24 V DC ±10 % Power consumption 24 V AC: 1.0 VA max. 24 V DC: 200 mW max. Insulation resistance 500 V DC, 20 MΩ min. (between case and terminals) Withstand voltage When applying 500 V AC for 1 min, leakage current: 1 mA max. -
Page 8: Main Unit
AB-7521 „ Dimensions z Main unit z Main unit and Thermoplate mounting kit 50.7 Thermoplate 24.7 37.5 (optional parts) ＊1 33.5 Thermoplate Mounting mounting kit surface Figure 1. Main unit (mm) Figure 4. Dimensions when mounted on the Thermoplate z Main unit and Wall-direct mounting kit mounting kit (mm) Mounting hole (φ... - Page 9 • If the sensor is used in the following mounting kit 72.8 special environments, please contact Azbil Corporation. • In a chemical atmosphere such as an organic solvent, the output value may be shifted. • Corrosive gas, organic solvent, and...
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Page 10: Installation Procedure
AB-7521 z Installation procedure There are several methods for installing the sensor, • Corrosive gas, organic solvent, or other Wall-direct mounting, Thermoplate for open wiring chemicals is contained in the atmosphere. mounting,Thermoplate mounting, and Multi- • Chemicals or oils adhere. thermocase mounting. - Page 11 AB-7521 Thermoplate for open wiring mounting (1) Attach the mounting plate to Thermoplate for IMPORTANT • Do not touch the temperature and humidity open wiring. sensing elements on the PCB assembly (Fig. 8) when removing/attaching the cover and when installing the main Wires from the load unit.
- Page 12 AB-7521 Thermoplate mounting (6) Set the depth change levers on the both sides of the main unit to the upper position (indicated (1) Attach the mounting plate of Thermoplate to the with "L") . outlet box cover (JIS C8340:1999, mounting dimension for switch box 83.5 mm) on the Main unit of Wall-direct...
- Page 13 AB-7521 (1) Attach the main unit of the Multi-thermocase z Protection form heat radiation, heat conduction, etc. mounting kit to the mounting plate of the Multi- thermocase. To p r o t e c t t h e m e a s u r i n g a c c u r a c y f r o m disturbances, change the the position (height) Mounting plate of Multi-thermocase of the temperature/humidity sensing elements as...
- Page 14 24 V AC pending on its environment installed. Black supply (24 V DC) ⊥ (－) • A lso in the case of Thermoplate mounting, install the sensor Model HY7045T1000 Blue in the same procedure. ＋ Humidity 1–5 V DC Gray 38.5...
- Page 15 AB-7521 z Notes for wiring When installing the sensor newly • DC power supply IMPORTANT • D o n o t c o n n e c t t h e l e a d w i r e s f o r temperature and humidity outputs to the IMPORTANT •...
- Page 16 AB-7521 When replacing the existing sensor IMPORTANT • If two or more sensors are used, the same number of AC transformers (24 V AC power supply) as the sensors are required. Do not share the 24 V AC transformer. If replacing the existing products with the sensors (including mixture of existing sensors) , please check whether the AC transformer (24 V AC) is shared or not.
- Page 17 • Corrosive gas, organic solvent, and other chemicals contained in the atmosphere can cause measuring error of the sensor, shorten its service life, or damage it. if the sensor is used in an environment different from the ordinary air, please contact Azbil Corporation.
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Page 18: Regular Inspection
Check if the cover is clogged and clean it. z Troubleshooting Check the sensor according to table 1, if there is an abnormality, take necessary countermeasures. If the abnormality cannot be recovered after taking the countermeasures, please contact Azbil Corporation. Table 1. Troubleshooting Abnormal conditions... - Page 19 AB-7521 This blank page was added for page layout purposes.
- Page 20 Directive (EMCD) and the Restriction of Hazardous Substances Directive (RoHSD) . EMCD: EN 61326-1 Class B, Table 1 (for use in a basic electromagnetic environment) RoHSD: EN 50581 Building Systems Company https://www.azbil.com/ AB-7521 Rev. 1.0 Mar. 2020 Specifications are subject to change without notice.
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