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Johnson Controls DSH096C5 manual available for free PDF download: Installation Operation & Maintenance
Johnson Controls DSH096C5 Installation Operation & Maintenance (52 pages)
AIR-COOLED SELF-CONTAINED UNITS, HORIZONTAL R-410A AIR CONDITIONING UNITS C GENERATION SMART EQUIPMENT CONTROLLER
Brand:
Johnson Controls
| Category:
Air Conditioner
| Size: 4 MB
Table of Contents
Table of Contents
5
Section 1 - Installation
9
Pre-Installation Inspection of Equipment
9
Rigging
9
Installation Site
10
Location
10
Cabinet Configuration Options
10
Unit Mounting
10
FIGURE 1 - Securing Straps and Brackets
10
Separation of the Units
11
FIGURE 2 - Self-Sealing Refrigerant Couplings
11
TABLE 1 - Operating Weight
11
FIGURE 3 - Packaged Unit with Couplings
12
Separating the Units
12
TABLE 2 - Field Split Coupling Kits
12
FIGURE 4 - Single Compressor Unit - Typical Installation Configuration
13
FIGURE 5 - Dual Compressor Unit - Typical Installation Configuration
14
Interconnecting Refrigerant Tubing
15
TABLE 3 - Recommended Refrigerant Line Sizes
15
Dimensional Data
16
FIGURE 6 - DSH024C and DSH036C Dimensional Data: 2-3 Ton Horizontal A/C Unit
16
FIGURE 7 - DSH048C and DSH060C Dimensional Data: 4-5 Ton Horizontal A/C Unit
17
FIGURE 8 - DSH096C Dimensional Data: 8 Ton Horizontal A/C Unit
18
FIGURE 9 - DSH120C Dimensional Data: 10 Ton Horizontal A/C Unit
19
FIGURE 10 - 2-5 Ton Horizontal A/C Unit Service Clearances
20
Typical Service Clearances
20
FIGURE 11 - 8 and 10 Ton Horizontal A/C Unit Service Clearances
21
FIGURE 12 - Packaged Unit Installation
22
FIGURE 13 - Split Unit Installation
22
Unit Corner Weights
22
Ductwork
23
Louver Sizing Guidelines
23
Electrical Wiring
23
Packaged Unit
24
Split System
24
Low Voltage Wiring
24
Typical Wiring Schematics
24
FIGURE 14 - Typical Control Diagram for One and Two Stage Cooling
24
DSH048C, and DSH060C)
24
FIGURE 15 - Typical Control Diagram for Three Stage Cooling (DSH096C)
25
FIGURE 16 - Typical Control Diagram for Three Stage Cooling (DSH120C)
26
TABLE 4 - Electrical Data - Standard Evaporator Motor
27
TABLE 5 - Electrical Data - Oversized Evaporator Motor
27
Fan Performance
28
TABLE 6 - Electrical Data - Oversized Condenser Motor
28
TABLE 7 - DSH024C - Supply Air Blower Performance
28
TABLE 8 - DSH024C - Condenser Fan Performance
28
TABLE 9 - DSH036C - Supply Air Blower Performance
28
TABLE 10 - DSH024C - Condenser Fan Performance
29
TABLE 11 - DSH048C - Supply Air Blower Performance
29
TABLE 12 - DSH048C - Condenser Fan Performance
29
TABLE 13 - DSH060C - Supply Air Blower Performance
30
TABLE 14 - DSH060C - Condenser Fan Performance
30
TABLE 15 - DSH096C - Supply Air Blower Performance
30
TABLE 16 - DSH096C - Condenser Fan Performance
31
TABLE 17 - DSH120C - Supply Air Blower Performance
31
TABLE 18 - DSH120C- Condenser Fan Performance
31
Motor and Pulley Data
32
TABLE 19 - Evaporator - Standard Blower Motor and Drive Data
32
TABLE 20 - Evaporator - Oversized Blower Motor and Drive Data
32
TABLE 21 - Condenser - Standard Blower Motor and Drive Data
33
TABLE 22 - Condenser - Oversized Blower Motor and Drive Data
33
Blower Speed Adjustment
34
Adjusting the Blower Speed
34
Low Ambient Damper
34
FIGURE 17 - Low Ambient Damper
35
Airside Economizer (ASE)
36
Sequences of Operation
36
Air Temperature Sensors
37
Variable Frequency Drive (VFD)
37
Indoor Fan VFD
37
FIGURE 18 - RAT SAT Sensor
37
FIGURE 19 - Extension Wiring
37
Outdoor Fan VFD (208-230V and 460V Only)
38
Hot Gas Bypass (HGBP)
38
Section 2 - Startup and Operation
39
Checking Superheat and Subcooling
39
TABLE 23 - Pressure Switch Settings - All Models
39
TABLE 24 - Refrigerant Charge (Lbs)
39
Startup (Cooling)
40
TABLE 25 - R410A Pressure and Temperature Chart
40
Microprocessor Controller
41
Temperature Sensors
41
USB Port
41
LCD Display
41
Safety Monitoring
41
Low Ambient
41
Anti-Short Cycle Delay (ASCD) Protection
41
Fan Delays
41
Nuisance Trip Protection and Three Strikes
41
Lead-Lag
41
Condensate Overflow Switch
42
Operation
42
TABLE 26 - Compressor Control
42
TABLE 27 - Setpoints and Related Data
42
Section 3 - Maintenance and Service
43
Evaporator and Condenser Coils
43
Refrigerant Circuits
43
Blowers
43
Drive Belts
43
Filters
43
FIGURE 20 - Belt Tension Adjustment
43
TABLE 28 - Filter Sizes
43
Appendix: Wiring Diagrams
45
FIGURE 21 - DSH024-060C High Voltage Wiring Diagrams
45
FIGURE 22 - DSH096/120C High Voltage Wiring Diagrams
46
FIGURE 23 - DSH024-060C Low Voltage Wiring Diagrams
47
FIGURE 24 - DSH0120C Low Voltage Wiring Diagrams
48
FIGURE 25 - Typical Airside Economizer Wiring Diagram
50
R-410A Quick Reference Guide
51
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