7
FORM 145.32-IOM5
ISSUE DATE: 04/08/2019
FIGURE 1 - Securing Straps and Brackets ............................................................................................................. 10
FIGURE 2 - Self-Sealing Refrigerant Couplings...................................................................................................... 11
FIGURE 3 - Packaged Unit With Couplings ............................................................................................................12
FIGURE 4 - Single Compressor Unit – Typical Installation Conguration ............................................................... 13
FIGURE 5 - Dual Compressor Unit – Typical Installation Conguration..................................................................14
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
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
FIGURE 14 - Typical Control Diagram for One and Two Stage Cooling (DSH021C, DSH036C,
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
FIGURE 17 - Low Ambient Damper ........................................................................................................................35
FIGURE 18 - RAT SAT Sensor................................................................................................................................37
FIGURE 19 - Extension Wiring................................................................................................................................37
FIGURE 20 - Belt Tension Adjustment ....................................................................................................................43
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
LIST OF FIGURES
LIST OF TABLES
TABLE 1 - Operating Weight................................................................................................................................... 11
TABLE 2 - Field Split Coupling Kits.........................................................................................................................12
TABLE 3 - Recommended Refrigerant Line Sizes..................................................................................................15
TABLE 4 - Electrical Data – Standard Evaporator Motor ........................................................................................27
TABLE 5 - Electrical Data – Oversized Evaporator Motor ......................................................................................27
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
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
TABLE 23 - Pressure Switch Settings – All Models ................................................................................................39
TABLE 24 - Refrigerant Charge (lbs) ......................................................................................................................39
TABLE 25 - R410A Pressure and Temperature Chart ............................................................................................40
TABLE 26 - Compressor Control ............................................................................................................................42
TABLE 27 - Setpoints and Related Data.................................................................................................................42
TABLE 28 - Filter Sizes...........................................................................................................................................43
