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Related Manuals for Cooper & Hunter CH-IRT05NM
Summary of Contents for Cooper & Hunter CH-IRT05NM
- Page 1 ROOFTOP PACKAGE UNITS Owner`s manual Rooftop package units Models: C H -I RT 05N M C H -I RT 08N M C H -I RT 15N M Thank you for choosing Cooper&Hunter rooftop package units, please read this service manual carefully before operation and retain it for future reference.
- Page 2 Preface Please carefully read this manual before installation and operation. Instructions before reading this manual： (1) For guaranteeing personal safety when operating this system, please strictly follow the instructions listed in the manual. (2) Make sure that this manual is kept by operators and serviceman. (3) Please contact Cooper&Hunter immediately when the unit can not run normally.
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Page 3: Table Of Contents
Contents 1 Safety Precautions ................1 2 Product Introduction ................. 3 2.1 Nominal Operating Condition ..............3 2.2 Operating Range ..................3 3 Pre-installation Instruction ..............4 3.1 Checking Product Received ..............4 3.2 Standard Accessory Parts ............... 4 3.3 Before Beginning Installation ..............5 3.4 Codes &... -
Page 4: Safety Precautions
Rooftop Packaged 1 Safety Precautions The following symbols and labels are used throughout this manual to indicate immediate or potential hazards. It is the owner’s responsibility to read and comply with all safety information and instructions accompanying these symbols. Failure to heed safety information increases the risk of serious personal injury or death, property damage and/or product damage. - Page 5 Rooftop Packaged safety.Children should be supervised to ensure that they do not play with the appliance. ⑩. If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard. Caution: ①.
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Page 6: Product Introduction
2.1 Nominal Operating Condition Outdoor Conditon Indoor Condition Item Temperatrue(° C) Temperatrue(° C) Temperatrue(° C) Temperatrue(° C) Cooling Heating 2.2 Operating Range CH-IRT05NM Item Outdoor Condition (DB ° C) Cooling -5~52 Heating -15~24 CH-IRT08NM Item Outdoor Condition (DB ° C) Cooling... -
Page 7: Pre-Installation Instruction
Rooftop Packaged 3 Pre-installation Instruction 3.1 Checking Product Received Upon receiving the product, check any damage from transportation. Shipping damage is the responsibility of the carrier. Verify the model number, specifications and accessories are correct prior to installation. The distributor or manufacturer will not accept claims from dealers for transportation damage or installation of incorrectly shipped units. -
Page 8: Before Beginning Installation
Rooftop Packaged 3.3 Before Beginning Installation Carefully read all instructions for the installation prior to installing product. Make sure each step or procedure is understood and any special considerations are taken into account before starting installation. Assemble all tools, hardware and supplies needed to complete the installation. -
Page 9: Installation Instructions
Rooftop Packaged 4 Installation Instructions 4.1 Physical Dimension CH-IRT05NM CH-IRT08NM... -
Page 10: General Information
Rooftop Packaged CH-IRT15NM Dimension (mm) 5Ton 815 1750 1100 8Ton 1225 2210 1450 100 1112 15Ton 1245 2810 2240 1872 177 168 1900 168 Note: Above diagrams may be different from actual mode 4.2 General Information Nominal Model Power Supply Capacity Refrigeran Model Name... -
Page 11: Location
Rooftop Packaged 4.3 Location To ensure the unit in proper function, selection of installation location must be in accordance with following principles. (1) Unit shall be installed so that the air discharged by outdoor fan will not return and that sufficient space for repair shall be provided around the unit. (2) The installation site must have good ventilation, so that the unit can take in and exhaust enough air. -
Page 12: Installation Positions And Clearances
Rooftop Packaged 4.5 Installation Positions and Clearances Note: Above diagrams may be different from actual model. CH-IRT05NM Installation Clearances DIMENSION inch (Minimum) 1100 1100 1100... - Page 13 Rooftop Packaged CH-IRT08NM Note: Above diagrams may be different from actual model. CH-IRT15NM Note: Above diagrams may be different from actual model.
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Page 14: Installation Of Condensate Pipe
Rooftop Packaged CH-IRT08NM CH-IRT15NM Installation Clearances DIMENSION inch (Minimum) 1000 1500 1100 1100 1830 4.6 Installation of Condensate Pipe After the unit is installed, it is required to check the level of the whole unit. The unit must be placed horizontally to ensure the unit in proper function. (1) When shipped out from factory, both the condensate outlets are blocked by rubber plug. -
Page 15: Electrical Installation
Rooftop Packaged Model(Ton) Drain Connection Size(inch) 3/4"(NPT) 3/4"(NPT) 3/4"(NPT) 5 Electrical Installation 5.1 Electrical Date and Wire Sizing Min. Sectional Min. Sectional Power Supply Unit Model Capability of Area of Earth Area of Power Designation Air Switch(A) (V, Ph, Hz) Wire(mm Cord(mm C H -I RT 05N M... - Page 16 Rooftop Packaged c) Clamp a round terminal of the peeled wires. d) Screw cross the circle and fix it on the terminal board. Warning: If the power line or the signal line is defective, use the special coil to replace it. ①.
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Page 17: Electrical Connections-Supply Voltage
Rooftop Packaged ⑧. If the supply cord is damaged, it must be replaced by the manufacturer or its service agent or a similarly qualified person in order to avoid a hazard. ⑨. All of the supplied components, material, and electric operation should be accorded with the local principles. -
Page 18: Wiring Diagram
Rooftop Packaged line. ②. In case the unit is installed in a place vulnerable by electromagnetic interference, it is better to use shielded cable or double-twisted cable as the signal line of the wire controller. Warning: The NULL LINE of power input MUST be connected to the “N” section of the terminal board! A WRONG CONNECTION will cause the DAMAGE of unit! 5.4 Wiring Diagram... -
Page 19: Troubleshooting
Rooftop Packaged 7 Troubleshooting If your air-conditioning unit suffers from abnormal operation or failure, please first check the following points before repair Failure Possible cause Solution Connect the power supply The power supply does not connect or improper or change two random phase sequence. -
Page 20: Unit Function
Rooftop Packaged 8 Unit Function 8.1 Setting of Double Indoor Room Sensors This series of Rooftop Packaged Unit has two indoor room sensors. One is located at the air intake of the unit and the other one is located inside the wire controller. - Page 21 Rooftop Packaged Overloading IPM protection DC fan motor error Drive desynchronizing protection Activation failure Compressor phase sequence protection Compressor stalling protection Power protection Indoor and outdoor mismatch 4-way valve direction changing protection Drive reset protection Over-current protection Communication error between main control and drive Drive module sensor error Drive module over temperature protection...
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Page 22: Maintenance
Rooftop Packaged Fan startup failure Fan Missing phase Fan Drive module resetting Fan current protection Fan power protection Fan Current sensor malfunction The Fan motor in loss of synchronization Malfunction from Fan driving part to main-control communication Overheat protection of Fan radiator Fan radiator sensor malfunction Fan Drive Storage chip malfunction Fan Charge circuit malfunction... - Page 23 Rooftop Packaged 2) Check to see if the grounding wire is in good condition. 3) Check to see if the line connection is in good condition. 4) Check the drainage pipe so as to confirm the fluency flow of condensate. (4) Maintenance at the End of the Operational Season 1) When the weather is clear, operate the unit for half a day, so as to dry the inside of the unit.
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