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NORTEK GLOBAL HVAC, LLC
Please read this owner's manual carefully before operation and retain it for future reference
Specifications & illustrations subject to change without notice or incurring obligations
Multi Variable Heat Pump
Wall Mounted Type Indoor Unit
Owner's Manual
Heat Pump
Models:
B-HW-2.2(07)-A3AK
B-HW-2.8(09)-A3AK
B-HW-3.6(12)-A3AK
B-HW-5.0(18)-A3AK
B-HW-7.1(24)-A3AK
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Summary of Contents for Nortek B-HW-2.2(07)-A3AK
- Page 1 NORTEK GLOBAL HVAC, LLC Multi Variable Heat Pump Wall Mounted Type Indoor Unit Owner's Manual Heat Pump Models: B-HW-2.2(07)-A3AK B-HW-2.8(09)-A3AK B-HW-3.6(12)-A3AK B-HW-5.0(18)-A3AK B-HW-7.1(24)-A3AK Please read this owner’s manual carefully before operation and retain it for future reference Specifications & illustrations subject to change without notice or incurring obligations...
- Page 2 Preface For correct installation and operation, please read all instructions carefully. Before reading the instructions, please be aware of the following items: This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible personal injury or death.
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Page 3: Table Of Contents
Contents 1 Safety Precautions ...................... 1 2 Product Introduction ....................2 2.1 Outline of the Unit and Main Parts ................3 2.2 Rated Operating Condition ..................3 3 Installation Instruction ....................4 3.1 Schematic diagram of installation spaces ..............4 3.2 Requirements for Communication Line ............... -
Page 4: Safety Precautions
Multi Variable Heat Pump WALL Mounted Type Indoor Unit 1 Safety Precautions WARNING (1) Follow this instruction to complete the installation work. Please read this manual carefully before unit startup and service. (2) Wire size of power cord should be sized correctly. The damaged power cord and connection wire should be replaced by specialized cable. - Page 5 Multi Variable Heat Pump WALL Mounted Type Indoor Unit (21) Be sure to use the appropriate accessories and parts to prevent the water leakage, electric shock and fire . (22) Make sure the unit can be grounded properly and securely to avoid electric shock. Please do not connect the ground wire to gas pipe, water pipe, lightning rod or telephone line.
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Page 6: Product Introduction
Multi Variable Heat Pump WALL Mounted Type Indoor Unit 2 Product Introduction 2.1 Outline of the Unit and Main Parts NOTICE! The appearances will be different for different models of air conditioners. Part Name Part Name ① ④ Surface panel Guide louver ②... -
Page 7: Installation Instruction
Multi Variable Heat Pump WALL Mounted Type Indoor Unit 3Installation Instruction 3.1 Installation clearances Above Sides Below Front 15cm (6 in.) 15cm (6 in.) 250 cm (8 ft.) 300 cm (10 ft.) unit shall installed professional personnel according this installation manual. Please contact a qualified contractor for installation. -
Page 8: Electric Installation
3. If unit is installed in or near strong electromagnetic field , use shielded wire. 3.3 Electric Installation Model Power Supply MCA(A) MOP(A) B-HW-2.2(07)-A3AK B-HW-2.8(09)-A3AK B-HW-3.6(12)-A3AK 208/230V-1ph-60Hz B-HW-5.0(18)-A3AK B-HW-7.1(24)-A3AK Use copper wire only as unit’s power cord. Operating temperature should be within its rated value. -
Page 9: Installation Instructions
Multi Variable Heat Pump WALL Mounted Type Indoor Unit 4 Installation Instructions 4.1 Installation of Indoor Unit Fig 4.1 Below are dimensions of W, H, and D.: Unit:mm/inch Item Model B-HW-2.2(07)-A3AK B-HW-2.8(09)-A3AK (33-3/16) (10-13/16) (7-1/16) B-HW-3.6(12)-A3AK B-HW-5.0(18)-A3AK (37) (11-3/4) (7-7/8) 1008 B-HW-7.1(24)-A3AK... -
Page 10: Preparation Of The Piping Hole
Multi Variable Heat Pump WALL Mounted Type Indoor Unit the whole system will report “L7” error and will not operate! The indoor unit defaults to be slave indoor unit. During debugging, if master indoor unit hasn’t been set manually, the outdoor unit will designate one indoor unit as the master indoor unit automatically. -
Page 11: Installation The Connection Pipes
Multi Variable Heat Pump WALL Mounted Type Indoor Unit 4.6 Installation the connection pipes Connect the ends of the connection pipe with two leading pipes, and then tighten the joint nuts. Connect the connect pipe with the two relative leading pipe, tie the nut on tie –in of the connect pipe tightly. -
Page 12: Wiring Work
Multi Variable Heat Pump WALL Mounted Type Indoor Unit 5 Wiring Work WARNING Before accessing terminals, all supply circuits must be disconnected. Units must be grounded securely, or it may cause electric shock. Please carefully read the wiring diagram. Faulty wiring could cause malfunction or even damage the unit. The unit should be powered by dedicated circuit and socket. -
Page 13: Connection Of Communication Line Of Idu And Odu
Multi Variable Heat Pump WALL Mounted Type Indoor Unit ON/OFF at the same time. Fig 5.2 For units with single-phase power supply. (1) Detach the electric box lid. (2) Lead the power cord through the wiring holes. (3) Connect the power cord to terminal "L, N, ". -
Page 14: Installation Of The Indoor Unit
Multi Variable Heat Pump WALL Mounted Type Indoor Unit 5.5 Illuminate for Connection of Wired Controller and Indoor Units Network (1) Communication wire of indoor unit and outdoor unit (or indoor unit) is connected to D1,D2. (2) Wired controller is connected to H1,H2. (3) One indoor unit can connect two wired controllers. -
Page 15: The Best Usage Method
Multi Variable Heat Pump WALL Mounted Type Indoor Unit 6 The Best Usage Method NOTICE! Do not pour water to unit or clean it with water, otherwise a malfunction or electric shock may occure. (1) It is recommended that the thermostat be set for efficient operation. It is best to set the indoor temperature to within 5°... -
Page 16: Maintenance Method
Multi Variable Heat Pump WALL Mounted Type Indoor Unit 7 Maintenance Method Turn off the unit and cut off the main power supply when cleaning the air conditione r to avoid electric shock or injury. Use a ladder or other stable platform when cleaning the unit. Do not clean the unit with hot water whose temperature is higher than 45°... -
Page 17: Check Before The Usage Season
Multi Variable Heat Pump WALL Mounted Type Indoor Unit (3) Reinstall air filter Install the air filter properly along the arrow direction. The side marked “Front” is indicat ㈡ed on the filter. Replace the panel. Fig 7.2.1 Fig 7.2.2 7.3 Preseason checklist (1) Check if the inlet or outlet vent of the air conditioner is blocked. -
Page 18: Table Of Error Codes For Indoor Unit
Multi Variable Heat Pump WALL Mounted Type Indoor Unit 8 Table of Error Codes for Indoor Unit Error Error Error Content Content Content Code Code Code Quantity Of Group Control Water Temperature Sensor Indoor Unit Error Indoor Units Setting Error Error Indoor Units Incompatibility Indoor Fan Protection... -
Page 19: Malfunction Analyzing
Multi Variable Heat Pump WALL Mounted Type Indoor Unit 9 Malfunction Analysis WARNING Do not repair the air conditioner by yourself. Faulty repair could lead to electric shock or fire. Please contact a qualified technician to have the unit. Check the following items before contacting the service center, as it could save you time and expense. -
Page 20: After-Sales Service
Multi Variable Heat Pump WALL Mounted Type Indoor Unit Water leakage in room; Power cord overheated; Unusual or burning odor is given off when running. 9.2 After-sales service If quality or other problems arise, contact a qualified technician. 10 Adjusting the Air Direction 10.1 Adjusting air direction up and down (1) The wireless remote controller can make the guide louver swing up and down, or makes... - Page 21 Specifications & illustrations subject to change without notice or incurring obligations. O’Fallon, MO (12/15) © Nortek Global HVAC, LLC 2015. All Rights Reserved. 550E-1215...
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