CeilAir CW series Betreibershandbuch PDF herunterladen (Seite 3)

(©July, 2008)

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 Humidifier (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 Humidifier 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 Microprocessor Controls

(Optional) ................................................. 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

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

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