1. Precaution 1.1 Safety Precaution To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. Before service unit, be sure to read this service manual at first.
1.2 Warning Installation Do not use a defective or underrated circuit breaker. Use this appliance on a dedicated circuit. There is risk of fire or electric shock. For electrical work, contact the dealer, seller, a qualified electrician, or an Authorized service center. Do not disassemble or repair the product, there is risk of fire or electric shock. Always ground the product. There is risk of fire or electric shock. Install the panel and the cover of control box securely. There is risk of fire of electric shock. Always install a dedicated circuit and breaker. Improper wiring or installation may cause fore or electric shock. Use the correctly rated breaker of fuse. There is risk of fire or electric shock. Do not modify or extend the power cable. There is risk of fire or electric shock. Do not install, remove, or reinstall the unit by yourself (customer). There is risk of fire, electric shock, explosion, or injury. Be caution when unpacking and installing the product. Sharp edges could cause injury, be especially careful of the case edges and the fins on the condenser and evaporator.
Read More
For installation, always contact the dealer or an Authorized service center. There is risk of fire, electric shock, explosion, or injury. Do not install the product on a defective installation stand. It may cause injury, accident, or damage to the product. Be sure the installation area does not deteriorate with age. If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury. Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open. Moisture may condense and wet or damage furniture. Take care to ensure that power cable could not be pulled out or damaged during operation. There is risk of fire or electric shock. Do not place anything on the power cable. There is risk of fire or electric shock. Do not plug or unplug the power supply plug during operation. There is risk of fire or electric shock. Do not touch (operation) the product with wet hands. There is risk of fire or electric shock. Do not place a heater or other appliance near the power cable. There is risk of fire and electric shock. Do not allow water to run into electric parts. It may cause fire, failure of the product, or electric shock. Do not store or use flammable gas or combustible near the product. There is risk of fire or failure of product. Do not use the product in a tightly closed space for a long time. Oxygen deficiency could occur. When flammable gas leaks, turn off the gas and open a window for ventilation before turn the product on. Do not use the telephone or turn switches on or off. There is risk of explosion or fire. If strange sounds, or small or smoke comes from product. Turn the breaker off or disconnect the power supply cable. There is risk of electric shock or fire. Stop operation and close the window in storm or hurricane. If possible, remove the product from the window before the hurricane arrives. There is risk of property damage, failure of product, or electric shock. Do not open the inlet grill of the product during operation. (Do not touch the electrostatic filter, if the unit is so equipped.) There is risk of physical injury, electric shock, or product failure. When the product is soaked (flooded or submerged), contact an Authorized service center. There is risk of fire or electric shock. Be caution that water could not enter the product. There is risk of fire, electric shock, or product damage. Ventilate the product from time to time when operating it together with a stove, etc. There is risk of fire or electric shock. Turn the main power off when cleaning or maintaining the product. There is risk of electric shock. When the product is not be used for a long time, disconnect the power supply plug or turn off the breaker. There is risk of product damage or failure, or unintended operation. Take care to ensure that nobody could step on or fall onto the outdoor unit. This could result in personal injury and product damage. CAUTION Always check for gas (refrigerant) leakage after installation or repair of product. Low refrigerant levels may cause failure of product. Install the drain hose to ensure that water is drained away properly. A bad connection may cause water leakage. Keep level even when installing the product. To avoid vibration of water leakage. Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods. It may cause a problem for your neighbors. Use two or more people to lift and transport the product. Avoid personal injury. Do not install the product where it will be exposed to sea wind (salt spray) directly. It may cause corrosion on the product. Corrosion, particularly on the condenser and evaporator fins, could cause product malfunction or inefficient operation. Operational Do not expose the skin directly to cool air for long periods of time. (Do not sit in the draft). This could harm to your health. Do not use the product for special purposes, such as preserving foods, works of art, etc. It is a consumer air conditioner, not a precision refrigerant system. There is risk of damage or loss of property. Do not block the inlet or outlet of air flow. It may cause product failure. Use a soft cloth to clean. Do not use harsh detergents, solvents, etc. There is risk of fire, electric shock, or damage to the plastic parts of the product. Do not touch the metal parts of the product when removing the air filter. They are very sharp. There is risk of personal injury. Do not step on pr put anything on the product. (outdoor units) There is risk of personal injury and failure of product. Always insert the filter securely. Clean the filter every two weeks or more often if necessary. A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage. Do not insert hands or other object through air inlet or outlet while the product is operated. There are sharp and moving parts that could cause personal injury. Do not drink the water drained from the product. It is not sanitary could cause serious health issues. Use a firm stool or ladder when cleaning or maintaining the product. Be careful and avoid personal injury. Replace the all batteries in the remote control with new ones of the same type. Do not mix old and mew batteries or different types of batteries. There is risk of fire or explosion. Do not recharge or disassemble the batteries. Do not dispose of batteries in a fire. They may burn of explode. If the liquid from the batteries gets onto your skin or clothes, wash it well with clean water. Do not use the remote of the batteries have leaked. The chemical in batteries could cause burns or other health hazards
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1. Precaution
1.1 Safety Precaution
To prevent injury to the user or other people and property damage, the following instructions must be followed.
Incorrect operation due to ignoring instruction will cause harm or damage.
Before service unit, be sure to read this service manual at first.
1.2 Warning
Installation
Do not use a defective or underrated circuit breaker. Use this appliance on a dedicated
circuit.
There is risk of fire or electric shock.
For electrical work, contact the dealer, seller, a qualified electrician, or an Authorized service
center.
Do not disassemble or repair the product, there is risk of fire or electric shock.
Always ground the product.
There is risk of fire or electric shock.
Install the panel and the cover of control box securely.
There is risk of fire of electric shock.
Always install a dedicated circuit and breaker.
Improper wiring or installation may cause fore or electric shock.
Use the correctly rated breaker of fuse.
There is risk of fire or electric shock.
Do not modify or extend the power cable.
There is risk of fire or electric shock.
Do not install, remove, or reinstall the unit by yourself (customer).
There is risk of fire, electric shock, explosion, or injury.
Be caution when unpacking and installing the product.
Sharp edges could cause injury, be especially careful of the case edges and the fins on the condenser and evaporator.
Read More
For installation, always contact the dealer or an Authorized service center.
There is risk of fire, electric shock, explosion, or injury.
Do not install the product on a defective installation stand.
It may cause injury, accident, or damage to the product.
Be sure the installation area does not deteriorate with age.
If the base collapses, the air conditioner could fall with it, causing property damage, product failure,
and personal injury.
Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open.
Moisture may condense and wet or damage furniture.
Take care to ensure that power cable could not be pulled out or damaged during operation.
There is risk of fire or electric shock.
Do not place anything on the power cable.
There is risk of fire or electric shock.
Do not plug or unplug the power supply plug during operation.
There is risk of fire or electric shock.
Do not touch (operation) the product with wet hands.
There is risk of fire or electric shock.
Do not place a heater or other appliance near the power cable.
There is risk of fire and electric shock.
Do not allow water to run into electric parts.
It may cause fire, failure of the product, or electric shock.
Do not store or use flammable gas or combustible near the product.
There is risk of fire or failure of product.
Do not use the product in a tightly closed space for a long time.
Oxygen deficiency could occur.
When flammable gas leaks, turn off the gas and open a window for ventilation before turn the product on.
Do not use the telephone or turn switches on or off.
There is risk of explosion or fire.
If strange sounds, or small or smoke comes from product. Turn the breaker off or disconnect the power supply cable.
There is risk of electric shock or fire.
Stop operation and close the window in storm or hurricane. If possible, remove the product from the window before the hurricane arrives.
There is risk of property damage, failure of product, or electric shock.
Do not open the inlet grill of the product during operation. (Do not touch the electrostatic filter, if the unit is so equipped.)
There is risk of physical injury, electric shock, or product failure.
When the product is soaked (flooded or submerged), contact an Authorized service center.
There is risk of fire or electric shock.
Be caution that water could not enter the product.
There is risk of fire, electric shock, or product damage.
Ventilate the product from time to time when operating it together with a stove, etc.
There is risk of fire or electric shock.
Turn the main power off when cleaning or maintaining the product.
There is risk of electric shock.
When the product is not be used for a long time, disconnect the power supply plug or turn off the breaker.
There is risk of product damage or failure, or unintended operation.
Take care to ensure that nobody could step on or fall onto the outdoor unit.
This could result in personal injury and product damage.
CAUTION
Always check for gas (refrigerant) leakage after installation or repair of product.
Low refrigerant levels may cause failure of product.
Install the drain hose to ensure that water is drained away properly.
A bad connection may cause water leakage.
Keep level even when installing the product.
To avoid vibration of water leakage.
Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods.
It may cause a problem for your neighbors.
Use two or more people to lift and transport the product.
Avoid personal injury.
Do not install the product where it will be exposed to sea wind (salt spray) directly.
It may cause corrosion on the product. Corrosion, particularly on the condenser and evaporator fins, could cause product malfunction or inefficient operation.
Operational
Do not expose the skin directly to cool air for long periods of time. (Do not sit in the draft).
This could harm to your health.
Do not use the product for special purposes, such as preserving foods, works of art, etc. It is a consumer air conditioner, not a precision refrigerant system.
There is risk of damage or loss of property.
Do not block the inlet or outlet of air flow.
It may cause product failure.
Use a soft cloth to clean. Do not use harsh detergents, solvents, etc.
There is risk of fire, electric shock, or damage to the plastic parts of the product.
Do not touch the metal parts of the product when removing the air filter. They are very sharp.
There is risk of personal injury.
Do not step on pr put anything on the product. (outdoor units)
There is risk of personal injury and failure of product.
Always insert the filter securely. Clean the filter every two weeks or more often if necessary.
A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage.
Do not insert hands or other object through air inlet or outlet while the product is operated.
There are sharp and moving parts that could cause personal injury.
Do not drink the water drained from the product.
It is not sanitary could cause serious health issues.
Use a firm stool or ladder when cleaning or maintaining the product.
Be careful and avoid personal injury.
Replace the all batteries in the remote control with new ones of the same type. Do not
mix old and mew batteries or different types of batteries.
There is risk of fire or explosion.
Do not recharge or disassemble the batteries. Do not dispose of batteries in a fire.
They may burn of explode.
If the liquid from the batteries gets onto your skin or clothes, wash it well with clean
water. Do not use the remote of the batteries have leaked.
The chemical in batteries could cause burns or other health hazards
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USER’S INFORMATION, MAINTENANCE AND SERVICE MANUAL HIGH EFFICIENCY
TUBULAR HEAT EXCHANGER SERIES
MODELS: PV8*DH/FL8V*DH/FC8V*DH/LL8V*DH/LC8V*D download
YORK MINISPLIT HIGH WALL AIR CONDITIONER
Installation Manual
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MHC-MHH/MOC-MOH 07
MHC-MHH/MOC-MOH 09
MHC-MHH/MOC-MOH 12
MHC-MHH/MOC-MOH 18
MHC-MHH/MOC-MOH 25
MHC-MHH/MOC-MOH 35 Download
YORK High Wall Inverter SERVICE MANUAL
MODELS YVHC 09 to 12 Download
YORK MINISPLIT HIGH WALL AIR CONDITIONER INSTALLATION MANUAL
MODELS
MHC-MHH/BOC-BOH 07
MHC-MHH/BOC-BOH 09
MHC-MHH/BOC-BOH 12
MHC-MHH/BOC-BOH 18
MHC-MHH/BOC-BOH 25
MHC-MHH/BOC-BOH 35 Download
YORK MINISPLIT HIGH WALL AIR CONDITIONER
Installation & Owner’s Manual
MODELS RMHC 18-30 Download
YORK MINISPLIT HIGH WALL AIR CONDITIONER
Installation & Owner’s Manual
MODELS
MLCA-MLHA 07-24
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Installation & Owner’s Manual
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Installation and maintenance of this air conditioning system should only be carried out by trained and qualified personnel.
Regular maintenance operations such as cleaning the coils and air filters must be performed to keep the
units in proper operating condition.
Before undertaking any work on the unit, make sure that the power supply has been disconnected.
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YORK MINISPLIT HIGH WALL AIR CONDITIONER
Installation & Owner’s Manual
MODELS
YJCA-YJHA 07-24FS
YJCB-YJHB 07-24FS
YJCC-YJHC 07-24FS
CONTENTS
Safety Precautions
Part Names
Technical Specifi cations
Outdoor Dimension
Emergency Operation
Optimal Operation
Preparation Before Installation
Installation Procedure
Maintenance
Operation Tips
Trouble Shooting Guide
Declaration Of Conformity
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YAER AIR COOLED LIQUID CHILLER
INSTALLATION, COMMISSIONING, OPERATION AND MAINTENANCE
STYLE A REFRIGERANT TYPE: R407C
WITH: V4-4 REV6 SOFTWARE AND HIGHER
V4C-2 REV6 SOFTWARE AND HIGHER
Table of Contents
1 SUPPLIER INFORMATION
1.1 Introduction 1.1
1.2 Warranty 1.1
1.3 Safety 1.1
1.4 Responsibility for Safety 1.1
1.5 About this Manual 1.2
1.6 Misuse of Equipment 1.2
1.7 Emergency Shutdown 1.3
1.8 Safety Labels 1.3
1.9 Material Safety Data 1.4
2 PRODUCT DESCRIPTION
2.1 Introduction 2.1
2.2 Compressors 2.1
2.3 Cooler(s) 2.1
2.4 Air Cooled Condensers 2.1
2.5 Refrigerant Circuits 2.2
2.6 Power and Control Panels 2.2
2.7 Options and Accessories 2.3
2.8 Nomenclature 2.4
3 TRANSPORTATION, HANDLING
AND STORAGE
3.1 Delivery and Storage 3.1
3.2 Inspection 3.1
3.3 Moving the Chiller 3.1
3.4 Lifting Weights 3.2
3.5 Shipping Brackets 3.2
4 INSTALLATION
4.1 Location Requirements 4.1
4.2 Location Clearances (refer to Section 9) 4.2
4.3 Vibration Isolator Installation & Dimensions 4.2
4.4 Pipework Connection 4.2
4.5 Water Treatment 4.3
4.6 Pipework Arrangement 4.4
4.7 Connection Types & Sizes 4.4
4.8 Refrigerant Relief Valve Piping 4.5
4.9 Ductwork Connection 4.5
4.10 Electrical Connection 4.6
4.11 Power Wiring 4.6
4.12 Control Section - Output Signals
(Refer to Control Connection Diagram) 4.7
4.13 Control Section - Input Connections
(Refer to Control Connection Diagram) 4.8
5 COMMISSIONING
5.1 Preparation 5.1
5.2 First Time Start-up 5.3
6 UNIT OPERATION
6.1 General Description 6.1
6.2 Start-up 6.1
6.3 Normal Running and Cycling 6.1
6.4 Compressor Capacity Control 6.2
6.5 Discharge Pressure Fan Control 6.2
6.6 Shutdown
7 MAINTENANCE
7.1 General Requirements 7.1
7.2 Daily Maintenance 7.1
7.3 Scheduled Maintenance 7.2
8 TROUBLE SHOOTING
8.1 Competent Persons Trouble
Shooting Guide 8.1
8.2 Compressor Components 8.3
8.3 Sensor Calibration Charts 8.4
9 TECHNICAL DATA
9.1 Cooler Pressure Drop 9.1
9.2 Operating Limitations 9.1
9.3 Physical Data 9.2
9.4 Electrical Data 9.4
9.5 Control Circuit Electrical Data 9.5
9.6 Compressor Electrical Data 9.5
9.7 Fan Data 9.6
9.8 Fuse Ratings and Lug Sizes 9.6
9.9 Clearances 9.7
9.10 Dimensions 9.8
10 SPARE PARTS
10.1 Recommended Spares 10.1
10.2 Compressor Top Head Rebuild Kit 10.2
10.3 Associated Drawings 10.2
11 DE-COMMISSIONING, DISMANTLING
AND DISPOSAL
11.1 General 11.1
TABLE OF CONTENTS
SECTION 1 - GENERAL CHILLER INFORMATION AND SAFETY
Introduction
Warranty
Quality Assurance and Safety
Fluorinated Greenhouse Gases
Responsibility for Safety
About This Manual
Misuse of Equipment
SECTION 2 - PRODUCT DESCRIPTION
General System Description
Semi-Hermetic York Twin-Screw Compressors
EVAPORATOR
CONDENSER
REFRIGERANT CIRCUIT
ELECTRICAL
BUILDING AUTOMATION SYSTEM CAPABILITIES
MICROCOMPUTER CONTROL CENTER
Accessories and Options
SECTION 3 - Handling and Storage
Delivery and Storage
Inspection
Moving The Chiller
Lifting Weights
Lifting Unit
UNIT REMOVAL FROM SHIPPING CONTAINER
Lifting using Lugs
Lifting using shackles
SECTION 4 - INSTALLATION
Location Requirements
Outdoor Installations
Location Clearances
Vibration Isolators
Shipping Braces
Chilled Liquid Piping
Water Treatment
Pipework Arrangement
Minimum Water Volume
Leaving Water Temperature Out of Range
Thermal Storage
Variable Primary Flow
Connection Types and Sizes
Cooler Connections
Refrigerant Relief Valve Piping
Power Wiring
Power Supply Wiring
115VAC Control Supply Transformer
Control Wiring
VOLTS FREE CONTACTS
SYSTEM INPUTS
Power Supply Wiring
CUSTOMER CONTROL Wiring
SECTION 5 - TECHNICAL DATA
Nomenclature
Dimentions
SECTION 6 - COMMISSIONING
Preparation
First Time start
SECTION 7 - OPERATION
Operating Controls
Display
Basic Operating Sequence
Unit Safeties
System Safeties (Faults)
SECTION 8 - MICROPANEL
Status Key
Unit Data Key
System Data Keys 1 Through 4
VSD Data Key
Operating Hours / Start Counter Key
History Key
Setpoints Key
Program Key
Options Key
Date/Time and Schedule Keys
Manual Override Key
Print Key
System Switches Key
Section 9 - MAINTENANCE
General Requirements
Refrigerant Removal, Evacuation And Charging A YVAA Chiller
Microchannel Coil Cleaning
Maintenance Requirements for YVAA Chillers
Chilled Liquid And Suction Temperature Sensor Input Voltage
Section 10 - DECOMMISSIONING, DISMANTLING AND DISPOSAL
General
LIST OF FIGURES
Figure 1 - YVAA Air-Cooled Screw Liquid Chiller with Variable Speed Drive
Figure 2 - Chiller Control System
Figure 3 - View of York control center user interface
Figure 4 - Proper Lifting of YVAA Chiller
Figure 5 - Acceptable Minimum Clearances Around/Between Unit(s)
Figure 6 - Pipework Arrangement
Figure 7 - Leaving Water Temperature Out of Range Suggested Layout
Figure 8 - Suggested Layout For Applications With A Flow Rate Less Than The Evaporator Minimum
Allowable Flow Rate
Figure 9 - Suggested Layout For Applications With A Flow Rate Greater Than The Evaporator Maximum
Allowable Flow Rate
Figure 10 - Victaulic Groove
Figure 11 - Flange Attachment
Figure 12 - Power connections
Figure 13 - Customer control connections
Figure 14 - Dimensions
Figure 15 - Keyboard and Display
LIST OF TABLES
Table 1 - Minimum Evaporator Tube Removal Clearance
Table 2 - Electrical Lug Data
Table 3 - Physical Data
Table 4 - Low Differential Oil Pressure Cutout
Table 5 - Start Inhibit Sensor Thresholds
Table 6 - Sensor Min/Max Outputs
Table 7 - Setpoint Limits
Table 8 - Programmable Operating Parameters
Table 9 - Printout Types
Table 10 - Troubleshooting Guide
Table 11 - Temperature Input Voltage Sensor (Measured Signal To Shield At The Sensor)
Table 12 - Outside Air Temperature Sensor Input Voltage
Table 13 - Pressure Transducer Output Voltage
Table 14 - Motor Temperature Sensor Resistance (Check At The Motor)
YORK TECHNICAL SERVICE MANUAL VARIABLE REFRIGERANT FLOW A/C SYSTEM NONE MODULAR DIGITAL SCROLL R-410A 50 HZ
Contents
Part 1 General Information
1. YDS system series
What is YDS
Features of YDS
2. Nomenclatures
Part 2 Units selection base on cooling load
Part 3 Outdoor Units
1. Specifications
2. Capacity table
3. Dimensions and required installation space
4. Piping diagram
5. Noise level
6. Outdoor wiring diagram
7. Trouble shooting
8. Explode view and spare part list
Part 4 Indoor Units
1. Introduction
2. Four-way cassette type
3. Wall mounted type
4. Ceiling &Floor type
5. Medium static pressure type
6. Expose and conceal floor standing
7. Hi ESP duct
Part 5 Installation
1. Summarize of Installation
2. Installation of outdoor unit
3. Installation of indoor unit
4. Installation of refrigerant pipe
5. Processing & installation of drainage pipe
6. Insulation work
7. Pipeline installation
8. Electric installation
Part 6 Control System
1. Control system
2. Indoor unit central control monitor system
3. Outdoor unit central monitor system
4. 3rd intelligent network control & monitor system
5. Remote controller
6. Receiver display
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