Table of Contents
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Energy Recovery Ventilation
System
Owner's Manual
Commercial Air Conditioners
Applicable Models (V Series):
CH-HRV3.5K
CH-HRV5K
CH-HRV8K
CH-HRV10K
CH-HRV15M
CH-HRV20M
Thank you for choosing commercial air conditioners.
Please read this Owner's Manual carefully before operation and retain it for
future reference.
If you have lost the Owner's Manual, please contact the local agent or visit www.
cooperandhunter.com.
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Summary of Contents for Cooper & Hunter V Series
- Page 1 Energy Recovery Ventilation System Owner's Manual Commercial Air Conditioners Applicable Models (V Series): CH-HRV3.5K CH-HRV5K CH-HRV8K CH-HRV10K CH-HRV15M CH-HRV20M Thank you for choosing commercial air conditioners. Please read this Owner’s Manual carefully before operation and retain it for future reference.
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Page 2: Table Of Contents
Contents 1. Preface ......................1 2. Introduction to Product ................... 1 2.1 Main Features .................... 1 2.2 Features of Structure .................. 2 3. Control ......................3 3.1 Operation Instructions ................3 4. Outline Dimensions ..................8 5. Installation Instructions ................... 9 5.1 General ....................... -
Page 3: Preface
Energy Recovery Ventilation System 1. Preface This product complies with the national standard GB/T 21087-2007. Modern civilization has brought more and more adverse effects to our living environment. With more and more wider application of the air conditioning and kinds of synthetic building materials, popularization of modern office equipment, enhancement of air tightness of the building, reduction of fresh air volume for energy saving and cost cutting, harmful gases and biologic pollutants inside the building cannot be diluted or discharged properly. -
Page 4: Features Of Structure
Energy Recovery Ventilation System 2.2 Features of Structure ERV mainly consists of the main unit and the control. Main Unit ◆ The main unit mainly consists of the centrifugal fan and the heat exchanger. Air before going inside the heat exchanger will pass through the filter, where dust particles and fibers will be sorted out. -
Page 5: Control
Energy Recovery Ventilation System 3. Control 3.1 Operation Instructions Caution! Do not install the control at the humid area. ◆ Do not beat, toss or frequently turn on/off this control. ◆ Figure 2 Front Panel of the Control Timing set point Mode key Energy saving status Humidity increasing key... - Page 6 Energy Recovery Ventilation System 3.1.1 On/Off Figure 3 By pressing the On/Off key, it is able to start/stop the control. ◆ Under the “Off” status, pressing the “Mode” key for 5 seconds can activate the memory ◆ function upon power failure, In this case, when 01 is displayed at the temperature set point area, it indicates the memory function has been activated.
- Page 7 Energy Recovery Ventilation System 3.1.3 Control to Humidity Figure 6 For the unit with humidifying function, pressing the “▲” key will increase the humidity set ◆ point; while pressing the “▼” key will decrease the humidity set point. Each press will make the set point change by 5%.
- Page 8 Energy Recovery Ventilation System 3.1.5 Run Mode Figure 8 By pressing the “Mode” key, the run mode will change circularly from automatic to bypass to ◆ heat exchange. Under the automatic mode, “AUTO” will light on and the system will operates base on indoor ◆...
- Page 9 Energy Recovery Ventilation System canceled. The setting rang for timing the unit on/off is 0.5~24 hours. ◆ The setting range for timing the energy saving function on is 2~5 hours. The default setting is ◆ 2 hours. The setting range for timing the energy saving function off is 1~4 hours. The default setting ◆...
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Page 10: Outline Dimensions
Energy Recovery Ventilation System 3.1.12 Intelligent Start/Stop It is also called the central control for dampers, which are used for multiple rooms but are ◆ under the control the one unit. It can totally control eight dampers. A patching board is required. -
Page 11: Installation Instructions
Energy Recovery Ventilation System Model CH-HRV3.5 CH-HRV5 CH-HRV8 1016 CH-HRV10 1016 CH-HRV15 1215 1159 1210 1262 CH-HRV20 1215 1159 1210 1262 5. Installation Instructions 5.1 General The user should entrust HVAC engineers for equipment selection and design and invite the qualified construction organization for on-site construction. - Page 12 Energy Recovery Ventilation System (6) In order to prevent discharged air returning back, distance of two air openings at the wall should be kept larger than 1000mm, as shown in the figure 14. Figure 13 Shape of the Air Opening Figure 14 Distance between Air Openings (7) When it is expected to minimize indoor noise, it is suggested to install a muffler inside the pipe.
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Page 13: Installation Diagram
Energy Recovery Ventilation System 5.3 Installation Diagram Fresh air duct Fresh air inlet Polluted air outlet Supply air Return air Discharge air duct Insulation Fresh air outlet Polluted air inlet Note: outdoor ducts connected with the fresh air inlet and polluted air outlet should be insulated, so do indoor ducts when temperature and humidity is quite high inside the ceiling. -
Page 14: On-Site Construction
Energy Recovery Ventilation System 6. On-site Construction 6.1 Installation of the Controller (1) Firstly, locate the installation place and make a slot or hole for the communication lines. (2) When the control and the indoor unit are installed on the wall surface, use 1# PVC pipe and the slot as shown in the figure 18. - Page 15 Energy Recovery Ventilation System should be even and closely-packed. (9) See the table below for allowable deviation for the duct and flange. Allowable Deviation for the Duct and Flange Allowable Item Deviation Inspection Method (mm) φ<=300mm OD of the round Meansurement by the ruler duct φ>300mm...
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Page 16: On-Site Construction Requirements
Energy Recovery Ventilation System 7. On-site Construction Requirements (1) Never lay wires, cables and pipes with toxic, inflammable or explosive gas or liquid in the duct. (2) The dismountable ports and adjustable parts of duct and fittings cannot be installed in the wall or ceiling. -
Page 17: Electric Wiring
Energy Recovery Ventilation System 8. Electric Wiring The electric wiring attached to the electric box always prevails. (1) CH-HRV3.5,CH-HRV5, CH-HRV8, CH-HRV10 POWER AC-L Wired AC-N Ccontroller HUMIDITY Remote Humidifier HUMID AC Contactor Coil Control Note: 1.When need humidifier,connect "1" and "2" terminal (220V～，1A) to the contactor coil of the humidifier. Meanwhile,connect the humidification sensor to HUMIDITY terminal on the main board. -
Page 18: Wiring Installation
Energy Recovery Ventilation System 8.1 Wiring Installation 8.1.1 Wiring Arrangement Layout of wires should accord with national wiring standards. ◆ The power supply must be under rated voltage and used especially for this product. ◆ The power supply should be reliable to prevent terminals from being stressed. Never pull the ◆... -
Page 19: Trial Run And Routine Maintenance
Energy Recovery Ventilation System d. Place which specialist considers unreliable. Warning: Cut off the power supply before installation and maintenance to avoid electric shock. Wiring arrangement should comply with corresponding requirements, otherwise it would lead to electric shocks or fires etc. Special Notice: C&H won’t be responsible for adverse results caused by modification of the electric control system by the users themselves without consent of C&H. -
Page 20: Troubleshooting
Energy Recovery Ventilation System 8.4 Troubleshooting After trial run, the unit can be normally used by the user. If any fault occurs resolve it firstly by yourself according to the following table. Symptons Possible causes Solutions Airflow volume at air outlet/inlet is obviously decreased after a Too much dust gathers on the air filter. - Page 21 Energy Recovery Ventilation System Warning ● Installation should be done by qualified technicians. Never install, move or retrofit the unit by yourself. Improper installation would cause the unit falling off, electric shocks, fires etc. ● This product should be installed strictly in accordance with this manual. ●...
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Page 22: Technical Datasheet
Energy Recovery Ventilation System Caution ● Do not put the burner where would be affected by the main air vent, as it would lead to inadequate burning. ● The top surface of the unit should be water-proof, as water leak would lead to electric shocks. - Page 23 COOPERANDHUNTER INTERNATIONAL CORPORATION www.cooperandhunter.com...
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