Table Of Contents; Model Nomenclature - Bosch DX Series Installation And Maintenance Manual

2
Unitary Air Handler DX and Hydronic Series

tAblE Of CONtENtS

Model Nomenclature ...........................................................................................2
Physical Data.. ....................................................................................................3
Dimensional Data. ...............................................................................................4
General Information ............................................................................................6
Initial Inspection .................................................................................................6
Moving and Storage ............................................................................................6
Safety Considerations .........................................................................................6
Reference ............................................................................................................6
Location ..............................................................................................................7
Installation/Operation Safety Rules ....................................................................7
Minimum Clearances ..........................................................................................8
Arrangement .......................................................................................................8
Upflow Application ..............................................................................................8
Horizontal Application ........................................................................................8
Downflow Application .........................................................................................9
Downflow Conversion Kit ..................................................................................10
Furnace Installation ..........................................................................................11
Electrical Wiring ................................................................................................11
Line Voltage Wiring ...........................................................................................11
Field Installed Electric Heater Kits ....................................................................12
Variable Speed Motor ........................................................................................13
Replacing ECM Motor .......................................................................................13
ECM Interface Board & Thermostat Connections ..............................................14
Control Wiring ...................................................................................................15
Condensate Drain .............................................................................................16
Duct System ......................................................................................................16
Piping ................................................................................................................17
DX Refrigerant Piping ........................................................................................17
Water Piping .....................................................................................................18
Chilled Water Piping .........................................................................................18
Hot Water Piping ...............................................................................................18
Field Installed TXV .............................................................................................18
Check Test and Start Up ....................................................................................19
System Shut Down ............................................................................................20
Periodic Maintenance .......................................................................................20
Connecting Unit Mounted Controller Water-to-Water Unit to HY Air Handler .....20
Performance Tables ..........................................................................................22
Motor Control Board Settings ...........................................................................23
System Piping Schematics ................................................................................24
Electrical Data ...................................................................................................25
Electrical Diagrams ...........................................................................................26
Unit Check-Out Sheet .......................................................................................31

MODEl NOMENClAtURE

DX
DX - R410A AIR HANDLER
HY - HYDRONIC AIR HANDLER
NOMINAL CAPACITY IN
THOUSANDS OF BTUH
6720220327
©Copyright 2011 Bosch, Inc All rights reserved
035 00 - 1
Subject to change without prior notice
VOLTAGE DESIGNATION
1 = 208-230/1/60
ELECTRIC HEAT KW
00 - NO ELECTRIC HEAT
05 - 5KW ELECTRIC HEAT
10 - 10KW ELECTRIC HEAT
15 - 15KW ELECTRIC HEAT
20 - 20KW ELECTRIC HEAT
table of Contents
Revised 11-11