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Stulz CyberOne EC DX Manuals
Manuals and User Guides for Stulz CyberOne EC DX. We have
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Stulz CyberOne EC DX manual available for free PDF download: Installation, Operation And Maintenance Manual
Stulz CyberOne EC DX Installation, Operation And Maintenance Manual (51 pages)
Perimeter Precision Air Conditioners 7-35 kW / 60 Hz
Brand:
Stulz
| Category:
Air Conditioner
| Size: 2 MB
Table of Contents
Table of Contents
3
1 Introduction
6
General
6
Product Description
6
Safety
6
Safety Summary
7
General Design
8
Electrical Compartment
8
Typical Internal Layout- Downflow Configuration
9
Typical Internal Layout- Upflow Configuration
9
Circuit Breakers/Motor Start Protectors
10
Heaters (Optional)
10
Hot Gas Re-Heat
10
Hot Water Re-Heat
10
Coil(S)
10
EC Fan
10
Temperature/Humidity Sensor
10
Optional Equipment
10
Humidifier
10
Condensate Pump
10
Free-Cooling Operation
11
Free Cooling Diagram
11
AWS Operation
12
Alternate Water Source Diagram
12
2 Installation
13
Receiving the Equipment
13
Moving the Equipment
13
Recommended Installation Clearance
13
Conditioned Space
14
Mounting/Placement
14
Typical Installation
14
Precision A/C Unit
15
Outdoor Equipment
15
Air Distribution Connection
15
Downflow Configuration Air Patterns
15
Downflow Configuration Typical Air Patterns
15
Upflow Configuration Air Patterns
16
Upflow Configuration Typical Air Patterns
16
Optional Equipment (Field Installed)
17
Floor Stand
17
Remote Display
17
Transformer (for 277 Volt Applications)
17
Remote Temperature/Humidity Sensor
17
Optional Floor Stand Installation
17
Remote Water Detector
18
Plenum Box Assembly
18
Piping Connections
18
Refrigerant Piping
18
Self-Contained Systems
18
Split Systems
18
Remote Air Cooled Condensers (AR)
20
Remote Air Cooled Condensing Units (AHU)
20
Water/Glycol
20
Condensate Drain
20
Gravity Drain
20
Condensate Pump
20
Humidifier
20
Utility Connections
21
Main Power
21
Condensate Pump
21
Sample Nameplate
21
Single-Phase Units 208/230V
22
Single-Phase Units 277V
22
Single-Phase Units (208/230V) with 277/230V Buck/Boost Transformer Applications
22
Three-Phase Units
23
Controls
23
Optional Equipment
23
Remote Temperature/Humidity Sensor
23
Remote Water Detector
23
Air-Cooled Split Systems
23
Transformer Schematic
23
Remote Condenser (AR Models)
24
Interconnecting Field Wiring Remote Condenser
24
Remote Condensing Unit (AHU Models)
25
Glycol Systems (G Models)
25
Interconnecting Field Wiring Remote Condensing Unit
25
System Charging Procedures
26
Water/Glycol Systems
26
Interconnecting Field Wiring Glycol
26
Systems
26
Pump
27
DX Unit Charging Requirements
27
Remote Air-Cooled Systems (AR/AHU)
27
R407C Refrigerant
27
Estimating Refrigerant Charge
27
Preparing System for Charging
28
Weight of Refrigerant (Lb/100 Ft of Type L Tubing)
28
Weight of Refrigerant for A/C Units (Lb)
28
Refrigerant Charging Procedures
29
ºF Fan Cycling and -20 ºF Variable Speed Control
30
F Flooded Head Pressure Control
30
Refrigerant Characteristics
31
Pressure/Temperature Settings
31
Saturated Refrigerant Pressure Tables
31
System Settings and Adjustments
31
Low/High Pressure Limit Switch
31
Head Pressure Controls-Air Cooled Systems
32
Condenser Fan Cycling (Condenser Model SCS-AA, 0 °F )
32
Condenser Multi-Speed Fan Switch (Model HES-CAA , 0 °F )
32
Variable Condenser Fan Speed (Condenser Model SCS-SA, -20 °F)
32
Intelligent Control (Condenser Model SCS-EC Only, -20 °F)
32
Flooded Head Pressure Control (Condenser Model SCS-AA with Fan Cycling, -30 °F)
32
Flooded Head Pressure Control (Condenser Model HES-CAA , -30 °F)
33
Head Pressure Controls-Water/Glycol Cooled Systems
33
Humidifier Adjustment
33
EC Fan
33
Thermal Expansion Valve
33
Hot Gas Reheat (Optional)
33
Hot Gas Bypass (Optional)
34
Snap Acting
34
Full Floating
34
3 Commissioning, Operation and Decommissioning
35
Commissioning
35
Start-Up
35
Microprocessor Controller Programming
35
Decommissioning the Unit
35
Recovering Refrigerant
36
Labeling the Decommissioned Unit
36
4 Maintenance
37
Periodic General Maintenance
37
Cyberone EC DX A/C Unit
37
Air Filter
37
EC Fan
37
Drain Pan
37
Coils
37
Heat/Reheat
37
Humidifier
37
Condensate Pump
38
Condenser
38
Troubleshooting
38
Field Service
43
Leak Detection
43
Leak Repair
43
Refrigerant Piping
43
General Common Repairs/Component Replacement
43
Compressor Failure
43
Standard Cleanout Procedure
44
Burn-Out/Acidic Cleanup Procedure
44
Humidifier Cylinder Replacement
44
5 Product Support
46
Technical Support
46
Obtaining Warranty Parts
46
Obtaining Spare/Replacement Parts
46
Installation Checklist
47
Glossary
50
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