Carrier 39CQ Series Installation, Operation And Maintenance Instructions
Air handling unit
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Summary of Contents for Carrier 39CQ Series
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Page 2: Table Of Contents
Contents Safety Notice…………………………………………………………………………………………… 1 Introduction of Control System for Air Handling Units ……………………………………………… 2 1. General introduction ……………………………………………………………………………… 2 2. AHU operation mode ……………………………………………………………………………… 2 Introduction of Control components…………………………………………………………………… 3 1. Control board: SE-serial single digital controller ………………………………………………… 3 2. Extension board …………………………………………………………………………………… 4 3. -
Page 3: Safety Notice
IMPORTANT: 1. Thank you for purchasing Carrier products. Please read the instructions carefully before using the products. When you use the products, Carrier considers you have carefully read the instructions. 2. We will make renovation continuously to make the products better fit the clients. We... -
Page 4: Introduction Of Control System For Air Handling Units
Introduction of Control System for Air Handling Units As one of the top class manufacturers in air conditioning field, Carrier provides an integrative AHU control system to meet with comfort demands of customers as well as to be optimized for different application requirements. -
Page 5: Introduction Of Control Components
Introduction of Control components 1. Control board: SE-serial single digital controller SE6166 SE-serial controllers provide a complete solution for single unit control application.It can be widely used in common environments including roof, machine room, control panel and other special places. It can fully support EIKON®-LogicBuilder, and be flexible to support BACnet protocol communication based on ARCNET 156 Kbps or BACnet MS/TP. -
Page 6: Extension Board
Real-time clock Real independent operation dut to real-time clock with power-loss protection LED indicators to show status of EIA-485 communication, operation, failure, power Status indicators and digital outputs Address toggle switch for direct shown of internet address Circuit protection built-in transient circuit protection to protect power supply and communication UL916 (Canadian Standard C22.2 No. -
Page 7: Sensors
3. Sensors (1) Duct temperature and humidity sensor SDB-TN10-20 Main features Duct temperature and humidity measurement Wide signal range of 0…10V, 0…20mA or 2…10V, 4…20mA by use of short cuts Technical specifications Power supply operating voltage 24 VAC 50/60 Hz ± 10%, 24VDC ± power dissipation Max 2 VA Connection... - Page 8 Dimension diagram mm (inch ) 91 (3.6) 14 x 77 /157 47 (1.9) ( .55 x 3 / 6.2) Installation The product is composed of two parts: (a) probe and (b) upper shell. It shall be installed at position with smooth air circulation.
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Page 9: Indoor Temperature And Humidity Sensor
(2) Indoor temperature and humidity sensor SRA-H1TN10 Main features Indoor temperature and humidity measurement Wide signal range of 0…10V, 0…20mA or 2…10V, 4…20mA by use of short cuts... - Page 10 Technical specifications Power supply operating voltage 24V AC 50/60 Hz ± 10%, 24V DC ± 10% power dissipation Max 2 VA Connection wiring terminal 0.34…2.5 mm (AWG 24…12) Sensing element humidity sensor Capacitor resin polymer scope 0…100 % RH measurement accuracy hysteresis 20%...80% ±5% repeatability...
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Page 11: Co2 Sensor
1. Disassemble base plate by loosening mounting screw 2. Install the base plate on the indoor wall 3. Wiring in accordance with wiring diagram 4. fasten wiring connection tightly in order not to have virtual wiring 5. Fix the cover of transmitter to base plate 6. - Page 12 Technical specifications Power supply operating voltage 15-35VDC power dissipation Typical current output 10mA + Connection wiring terminal max1.5 mm (AWG 16) Sensing element sensor E+E Dual-source infrared system 0…2000ppm scope accuracy @25 , 1013mbar <±(50ppm+2% Signal output signal output 4…20mA Environment temperature -20…60°C...
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Page 13: Water Valve And Damper Actuator
Wiring diagram (4) Water valve and damper actuator Technical specifications Power supply AC 24V 50/60HZ DC24V Connecting cable 1m 4*0.75mm² Rotate angle 90° Rotate direction Default set as clockwise. Can change to counterclockwise by the switch under black label Position indication Mechnical indication Operating time IP class... -
Page 14: Human-Computer Interface Of Ahu Control System
Wiring diagram for water valve and damper actuator Human-computer Interface of AHU control system 1. Feature An 8 inches touch screen is selected as human-computer interface of AHU control system, with function indicated buttons to provide user-friendly interface for customer. 2. - Page 15 Unit information interface is shown above, in which customer can find sensor measurement, damper /valve opening and fault information. Two languages are available and easy for transferring. Touch botton to transfer between English and Chinese language. Touch botton to enter alarm interface if there is any fault on unit operation, shown in below.
- Page 16 Items Descriptions On/off Press on/off key to turn on/off the AHU Time table Choose open or close time table function by touching the key below Fan Speed Set up fan speed by touching the key below Cooling/heating mode When the unit is off, exchange between cooling mode and heating mode by touching the right key Season switchover Touch the right key of season switchover, to select manual switchover or...
- Page 17 Button will change to if enable works and touch botton to enter into timing on/off setting menu. In this menu, customer can set unit start time during one day and applied days in one week. 4 System settings System parameters can be set in below interface. Items Descriptions Control strategy...
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Page 18: Failure Diagnosis Andsolution
Failure diagnosis and solution Fault indicated on HMI Solution supply fan can’t start check wiring and contacts supply fan failure check converter of supply fan checking fire alarm sensor movement if the fire alarm signal fire alarm appears filter blocking remove and clean filter frost-protection check if the temperature of cold water is too low... -
Page 19: Appendix: Wiring Diagram
Appendix: Wiring Diagram Fig. 1... - Page 20 Fig. 2...
- Page 21 Product Manufacturer: ® Shanghai Yileng Carrier Air Conditioning Equipment Co.,Ltd. 868 Yangtai Road, Baoshan, Shanghai, China 2014.03 0099NACQCTLE We will make renovation continuously to make the products better fit the clients. We reserve the right to change the data without notice.