CeilAir DX Series Manual do Operador descarregar pdf (Página 3)

(Mar, 2012)

CeilAiR OHS Series Installation, Operation & Maintenance Manual

ir Technology Systems, Inc.

1.0 Introduction ............................................1-1

1.1 General.....................................................1-1

1.2 Product Description ..................................1-1

1.3 Controls ....................................................1-2

1.4 Product Warranty .....................................1-3

1.5 Safety .......................................................1-4

1.5.1 General.....................................................1-4

1.5.2 Safety Summary .......................................1-4

1.6. General Design ........................................1-6

2.0 Installation ..............................................2-1

2.1 Receiving the Equipment. ........................2-1

2.2 Site Preparation........................................2-1

2.3 Rigging .....................................................2-1

2.4 Mounting...................................................2-2

2.4.1 Indoor Equipment .....................................2-2

2.4.2 Outdoor Equipment ..................................2-2

2.4.3 Controls ....................................................2-2

2.4.4 Optional Equipment ..................................2-3

2.4.4.1 Transformer ..............................................2-3

2.4.4.2 Condensate Pump (Field Inst.).................2-4

2.4.4.3 Non-fused Service Switch ........................2-4

2.4.5 Remote Sensors.......................................2-4

2.4.5.1 Remote Temperature Sensor ...................2-4

2.4.5.2 Remote Temperature/Humidity Sensor ....2-4

2.4.5.3 Remote Water Detector ............................2-4

2.4.5.4 Cable Type Water Detector ......................2-4

2.5 Air Distribution Connection .......................2-5

2.5.1 Spot Cooler ..............................................2-5

2.5.2 Ducted Systems .......................................2-6

2.6 Piping Connections ..................................2-6

2.6.1 Refrigerant................................................2-6

2.6.2 Chilled Water and Water/Glycol ...............2-8

2.6.3 Condensate Drain Line.............................2-9

2.6.4 Humidiﬁ er (Optional) ................................2-9

2.7 Utility Connections..................................2-10

2.7.1 Main Power ............................................2-10

2.7.2 Controls ..................................................2-12

2.7.3 Optional Equipment ................................2-15

2.7.3.1 Condensate Pump..................................2-15

2.7.3.2 Remote Temperature Sensor .................2-15

TABLE OF CONTENTS

2.7.3.3 Remote Water Detector ..........................2-15

2.7.4 Air-Cooled Split Systems........................2-16

2.7.4.1 Remote Condenser ................................2-16

2.7.4.2 Remote Condensing Unit .......................2-16

2.7.5 Glycol Systems .......................................2-16

2.7.6 Remote Shut Down ................................2-19

2.8 System Charging Procedures ................2-19

2.8.1 R22 Refrigerant Charging Procedures ...2-19

2.8.2 R407C Refrigerant Charging Procedures .... 2-20

2.9 System Settings & Adjustments .............2-19

2.9.1 Low/High Limit Switch ...........................2-21

2.9.2 Head Pressure Controls- Air Cooled

Systems ..................................................2-22

2.9.3 Head Pressure Controls- Water/Glycol .........

Cooled Systems .....................................2-23

2.9.4 Humidiﬁ er Adjustment ............................2-23

2.9.5 Belt Drive Blower ....................................2-24

2.9.6 Thermal Expansion Valve .......................2-24

2.9.7 Hot Gas Reheat......................................2-24

2.9.8 Hot Gas Bypass .....................................2-24

2.10 Refrigerant Pressure Characteristics .....2-26

3.0 Start-Up / Commissioning .....................3-1

3.1 Operation..................................................3-1

3.2 Step by Step Start-Up Instructions ...........3-1

3.3 Thermostat Programming.........................3-2

3.3.1 A-Tech-1.1 ................................................3-2

3.3.2 A-Tech-1.2 ................................................3-5

3.3.3 Advanced E² Controller ...........................3-7

4.0 Maintenance ............................................4-1

4.1 Periodic General Maintenance .................4-1

4.1.1 Precision A/C Unit ....................................4-1

4.1.2 Condensing Unit .......................................4-2

4.2 Troubleshooting ........................................4-2

4.3 Field Service.............................................4-6

4.3.1 Refrigerant Piping.....................................4-6

4.3.2 Leak Detection .........................................4-6

4.3.3 Leak Repair ..............................................4-6

4.3.4 General Common Repairs/Component

Replacement ............................................4-6

4.3.4.1 Compressor Failure ..................................4-6

1 2 3 4 5 6 7 8 ... 59 60

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CeilAir DX Series Manual do Operador Página 3

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