Sanyo AHX1252 Manuals

• 1

  Installation Instructions

2

Important

• 2

  Please Read before Starting
• 3

  Check of Density Limit
• 4

  Precautions for Installation Using New Refrigerant
• 6

  Table of Contents

8

1 General

• 8

  Tools Required for Installation (Not Supplied)
• 8

  Accessories Supplied
• 8

  Type of Copper Tube and Insulation Material
• 8

  Additional Materials Required for Installation
• 10

  Tubing Size
• 11

  Straight Equivalent Length of Joints
• 11

  Additional Refrigerant Charge
• 11

  System Limitations
• 12

  Tubing Length
• 13

  Check of Limit Density
• 13

  Installing Distribution Joint
• 14

  Optional Distribution Joint Kit
• 15

  Example of Tubing Size Selection and Refrigerant Charge Amount

17

2 Selecting the Installation Site

• 17

  Indoor Unit
• 18

  Outdoor Unit
• 19

  Air-Discharge Chamber for Top Discharge
• 19

  Installing the Unit in Heavy Snow Areas
• 19

  Precautions for Installation in Heavy Snow Areas
• 20

  Dimensions of Air-Discharge Chamber
• 20

  Dimensions of Outdoor Unit With Air-Discharge Chamber (Field Supply)
• 22

  Dimensions of Snow Ducting
• 22

  Dimensions of Outdoor Unit With Snow-Proof Ducting (Field Supply)

25

3 How to Install the Indoor Unit

25

I 4-Way Air Discharge Semi-Concealed Type (X Type)

• 25

  Preparation for Suspending
• 25

  Suspending the Indoor Unit
• 25

  Placing the Unit Inside the Ceiling
• 25

  Full-Scale Installation Diagram
• 26

  Installing the Drain Piping
• 26

  Drain Hose
• 26

  Hose Band
• 26

  Drain Insulator
• 26

  Packing
• 27

  Checking the Drainage
• 28

  How to Install the Ceiling Panel
• 29

  Wiring Cover
• 30

  Screw
• 31

  Special Remarks
• 32

  I 1-Way Air Discharge Semi-Concealed Type
  • 32

    Suspending the Indoor Unit
  • 33

    Placing the Unit Inside the Ceiling
  • 33

    Washer
  • 33

    Screw
  • 33

    Full-Scale Installation Diagram
  • 34

    Installing the Drain Piping
  • 34

    Hose Band
  • 34

    Drain Hose
  • 34

    Drain Insulator
  • 34

    Packing
  • 35

    Checking the Drainage
  • 36

    Electrical Power Wiring
  • 36

    How to Install the Ceiling Panel
  • 36

    Washer
  • 36

    Screw
• 40

  I Concealed Duct Type (U Type)
  • 40

    Required Minimum Space for Installation and Service
  • 41

    Suspending the Indoor Unit
  • 42

    Installing the Drain Piping
  • 42

    Checking the Drainage
  • 42

    Packing
  • 42

    Drain Hose
  • 42

    Hose Band
  • 42

    Drain Insulator
  • 43

    Increasing the Fan Speed
  • 44

    Required Minimum Space for Installation and Service
  • 45

    Suspending the Indoor Unit
  • 46

    Installing the Drain Piping
  • 46

    Caution for Ducting Work
  • 46

    Indoor Fan Performance
• 47

  I Ceiling-Mounted Type (T Type)
  • 47

    Required Minimum Space for Installation and Service
  • 48

    Suspending the Indoor Unit
  • 50

    Duct for Fresh Air
  • 50

    Shaping the Tubing
  • 50

    Installing the Drain Piping
• 52

  I Wall-Mounted Type (K Type)
  • 52

    Removing the Rear Panel From the Unit
  • 52

    Selecting and Making a Hole
  • 52

    Installing the Rear Panel Onto the Wall
  • 53

    Removing the Grille to Install the Indoor Unit
  • 53

    Preparing the Tubing
  • 54

    Shaping the Tubing
  • 54

    Installing the Drain Hose
  • 55

    When Using Wireless Remote Controller Instead of Wired Remote Controller

56

4 How to Install the Outdoor Unit

• 56

  Drainage Work
• 56

  Routing the Tubing and Wiring

57

5 Electrical Wiring

• 57

  General Precautions On Wiring
• 57

  Recommended Wire Length and Wire Diameter for Power Supply System
• 58

  Wiring System Diagram

61

6 How to Process Tubing

• 61

  Connecting the Refrigerant Tubing
• 62

  Connecting Tubing Between Indoor and Outdoor Units
• 63

  Insulating the Refrigerant Tubing
• 63

  Flare Insulator
• 64

  Taping the Tubes
• 64

  Finishing the Installation
• 64

  Sealing Putty

65

7 Air Purging

• 65

  I Air Purging With a Vacuum Pump (For Test Run) Preparation
  • 68

    Preparing for Test Run
  • 69

    Test Run Procedure
  • 69

    Items to Check before the Test Run
  • 70

    Outdoor Unit PCB Setting
  • 72

    Auto Address Setting
  • 79

    Caution for Pump Down
  • 79

    Meaning of Alarm Messages

81

9 Appendix

• 81

  4-Way Air Discharge Semi-Concealed Type (X Type)
• 82

  Tips for Energy Saving
• 83

  1-Way Air Discharge Semi-Concealed Type (A Type)
• 84

  Troubleshooting
• 85

  Concealed Duct (High-Static Pressure) Type (U, D Type)
• 87

  Ceiling-Mounted Type (T Type)
• 89

  Wall-Mounted Type (K Type)

• 4

  Table of Contents

6

Control Functions

• 6

  Section 1: CONTROL FUNCTIONS

7

Introduction

• 8

  Selecting Outdoor Unit for Operation

9

Compressor Control

14

Special Controls

19

Other Controls

20

Operation of Solenoid Valves

22

Outdoor Unit Electronic Thermostatic Expansion Valves [MOV1, MOV2 & MOV4]

24

Outdoor Fan Control

25

Demand Control

26

Indoor Unit Control of the Electronic Control Valve

28

Rap Valve Kit Control

29

Indoor Unit Refrigerant Oil Self Recovery Control

30

Discharge Temperature

31

Current Protection

32

Pressure Sensor Failure

33

Backup Operation

35

Service Maintenance Functions

37

Other Functions

40

Outdoor Unit Repair Procedures

• 41

  Removing Panels
• 42

  Removing Electrical Component Box and Duct
• 44

  Discharging Compressor Oil
• 45

  Backup Operation
• 47

  Backup Operation
• 48

  Recovering Refrigerant
• 53

  Checking for Leakage After Repair
• 54

  Evacuating System
• 55

  Charging Compressor Oil
• 59

  Pumping Out Refrigerant From Outdoor Unit
• 61

  Pumping Out Refrigerant From Outdoor Unit
• 62

  Compressor
• 74

  High and Low Pressure Sensors
• 75

  Replacing 4-Way Valve

78

Outdoor Unit Maintenance Remote Controller

• 79

  Overview
• 80

  Functions
• 81

  Ordinary Display Controls and Functions
• 86

  Monitoring Operations
• 88

  Outdoor Unit Alarm History Monitor
• 89

  Mode Settings

92

Remote Controller Functions

• 93

  Simple Settings Function
• 94

  Simple Settings Function
• 95

  Detailed Settings Function
• 106

  Remote Controller Servicing Functions
• 110

  Section 5: TROUBLE DIAGNOSIS

111

Trouble Diagnosis

• 111

  Contents of Remote Controller Switch Alarm Display
• 113

  Outdoor Unit Control Panel LED Display
• 114

  Remote Controller Servicing Functions
• 116

  W-2WAY Eco-I Alarm Codes
• 136

  Blinking Inspection Display On the Remote Controller
• 137

  Inspection of Parts
• 138

  Test Pin
• 139

  Thermister Characteristics Curve
  • 140

    Thermister Characteristic Curve

4

Table of Contents

• 5

  Section 1: TEST RUN

  • 5

    Test Run

• 6

  Test Run

  • 6

    Preparing for Test Run
  • 7

    Test Run Procedure
  • 7

    Items to Check before the Test Run

• 8

  Setting of Unit Control PCB

  • 8

    Main Outdoor Unit PCB Setting

• 10

  Auto Address Setting

  • 16

    Remote Controller Test Run Settings

• 16

  Remote Controller Test Run Setting

• 17

  Caution for Pump Down

• 18

  Meaning of Alarm Messages

21

Section 2: Remote Control Functions

• 22

  Main Operating Functions

• 22

  Remote Control Functions

  • 22

    Room Temperature Control
  • 23

    Automatic Control for Heating and Cooling

• 24

  Wireless Remote Controller

  • 24

    How to Use the Wireless Remote Controller
  • 27

    Receiver
  • 28

    Operation
  • 29

    Using the Wireless Remote Control Unit
  • 30

    Address Settings
  • 32

    Emergency Operation
  • 34

    Troubleshooting

• 35

  Timer Remote Controller (RCS-TM80BG)

  • 35

    How to Use the Timer Remote Controller
  • 36

    Names and Operations
  • 38

    Installation Manual for Timer Remote Controller
  • 38

    How to Install the Remote Controller
  • 39

    Group Control Using 2 Remote Controllers
  • 39

    Remote Controller Setting Mode
  • 39

    Indoor Unit Setting Mode
  • 39

    To Display the Sensor Temperature
  • 39

    To Display the Trouble History
  • 41

    Setting the Present Time
  • 42

    Weekly Program Function
  • 47

    Outing Function
  • 49

    Sleeping Function
  • 50

    Wired Remote Controller Test Run Setting
  • 51

    Simple Settings Function
  • 53

    Detailed Settings Function
  • 60

    Remote Controller Servicing Functions

• 63

  Section 3: TROUBLE DIAGNOSIS

  • 64

    Contents of Remote Controller Switch Alarm Display
  • 65

    Trouble Diagnosis
  • 66

    Outdoor Unit Control PCB LED Display
  • 67

    W-2WAY Eco-I Alarm Codes
  • 79

    Outdoor Unit Maintenance Remote Controller
  • 84

    Blinking (Inspection) Display On the Remote Controller

87

Section 4: Pcb and Functions

• 88

  Outdoor Unit Control PCB

• 88

  Pcb and Functions

  • 88

    Outdoor Unit Control PCB CR-CHDX14053
  • 89

    Functions (For CR-CHDX14053)

• 92

  Indoor Unit Control PCB

  • 92

    Indoor Unit Control PCB Switches and Functions
  • 93

    For AC Fan Motor (CR-UXRP71B-B)
  • 93

    For DC Fan Motor (SXRP56B-B)
  • 94

    CR1 (For CR-KR74GXH56A/KHX0752~KHX1852) (Wall Mounted)
  • 95

    CR1 (For CR-KR254GXH56A/KHX2452) (Wall Mounted)
  • 96

    CR2 (For POW-KR74GXH56/KHX0752~KHX2452) (Wall Mounted)
  • 97

    Explanation of Functions (CR-KXRP56AN, CR-KXRP80AN, POW-KRP50A)

• 99

  Section 5: SELF-DIAGNOSIS FUNCTION TABLE

  • 99

    Self-Diagnosis Function Table

• 103

  Section 6: SERVICE CHECKER

  • 104

    Outdoor Unit Maintenance Remote Controller
    • 104

      Service Checker
    • 104

      Overview
    • 104

      Functions
    • 105

      Ordinary Display Controls and Functions
    • 109

      Monitoring Operations
    • 110

      Outdoor Unit Alarm History Monitor
    • 111

      Setting the Outdoor Unit EEPROM Data

2

Important

• 2

  Please Read before Starting
• 3

  Check of Density Limit
• 4

  Precautions for Installation Using New Refrigerant
• 5

  New Refrigerant R410A Cannot Be Used for Earlier Models
  • 6

    Check of Density Limit
  • 6

    New Refrigerant R410A Cannot Be Used for Earlier Models
  • 6

    Precautions for Installation Using New Refrigerant
  • 6

    Table of Contents

7

1 General

• 7

  Tools Required for Installation (Not Supplied)
• 7

  Accessories Supplied
• 7

  Type of Copper Tube and Insulation Material
• 7

  Additional Materials Required for Installation
• 8

  Tubing Length
• 9

  Tubing Size
• 10

  Straight Equivalent Length of Joints
• 10

  Additional Refrigerant Charge
• 11

  System Limitations
• 11

  Installation Standards
• 12

  Check of Limit Density
• 12

  Installing Distribution Joint
• 13

  Optional Distribution Joint Kits
• 15

  Optional Solenoid Valve Kit
• 18

  Example of Tubing Size Selection and Refrigerant Charge Amount
• 19

  Refrigerant Charge Amount

20

2 Selecting the Installation Site

• 20

  Outdoor Unit
• 21

  Precautions When Installing in Heavy Snow Areas
• 22

  Dimensions of Wind Ducting
• 23

  Dimensions of Snow Ducting

24

3 How to Install the Outdoor Unit

• 24

  Transporting
• 24

  Installing the Outdoor Unit
• 25

  Remove the Brackets Used for Transport
• 25

  Routing the Tubing
• 26

  Prepare the Tubing
• 26

  Connect the Tubing

28

4 Electrical Wiring

• 28

  General Precautions On Wiring
• 28

  Recommended Wire Length and Wire Diameter for Power Supply System
• 29

  Wiring System Diagram

32

5 How to Process Tubing

• 32

  Connecting the Refrigerant Tubing
• 33

  Connecting Tubing Between Indoor and Outdoor Units
• 34

  Insulating the Refrigerant Tubing
• 35

  Taping the Tubes
• 35

  Finishing the Installation

36

6 Air Purging

• 36

  Air Purging With a Vacuum Pump (For Test Run) Preparation
  • 38

    Test Run.
  • 38

    Length

39

7 Test Run

• 39

  Preparing for Test Run
• 40

  Test Run Procedure
• 42

  Main Outdoor Unit PCB Setting
• 43

  Auto Address Setting
• 49

  Remote Controller Test Run Settings
• 49

  Caution for Pump Down
• 50

  Meaning of Alarm Messages