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Bosch DX Series - User Manual

Bosch DX Series
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Summary

Physical Data

Dimensional Data for DX Units

Dimensional Data for Hydronic Air Handlers

General Information

Initial Inspection

Inspect all cartons/crates upon receipt for items, damages, or shortages.

Moving and Storage

Store units in shipping carton in a clean, dry area, maintaining upright position. No more than 2 units stacked.

Safety Considerations

Explanation of Symbols

Explains warning symbols, electrical hazards, and signal words like NOTICE and CAUTION.

Location

Installation;Operation Safety Rules

Follow all rules for safe installation and operation, comply with codes, and ensure proper grounding.

Minimum Clearances

Arrangement

Upflow Application

Unit discharge at top; must be level for condensate drainage. Requires platform and plenum connection.

Horizontal Application

Used in attics/crawl spaces. Requires return air duct attached to inlet. Field convertible for airflow direction.

Downflow Application

Downflow Conversion Kit

Furnace Installation

Electrical Wiring

Instructions on connecting power supply and thermostat wires, referring to unit nameplate for data.

Electric Heater Kits

Variable Speed Motor

Installing The Heaters

Steps for installing the electric heater assembly, connecting plugs, and wiring diagrams.

Replacing the ECM Motor

Detailed steps for removing and replacing the blower motor assembly, including disassembly.

ECM Interface Board and Thermostat Connections

Control Wiring

Condensate Drain

Duct System

Piping

DX Refrigerant Piping

Requirements for liquid and suction piping, soldering, insulation, and oil traps for DX systems.

Water Piping

Chilled Water Piping

Specifies ID size for chilled water piping based on BTUs and connection orientation.

Hot Water Piping

Guidelines for hot water piping distance, heater type, and location considerations.

Field Installed TXV

Information on TXV applications, construction, equalization, and installation between flowrator and liquid line.

Check Test and Start Up

Units with Electric Heat

Notes on electric heat operation, heater time delay controls, and circuit breaker indicators.

Units with Hot Water Heating

Steps for hot water systems, including filling, venting air, and starting the water heater.

System Shut-Down

Periodic Maintenance

Recommends monthly filter changes and other maintenance by a licensed technician.

Connecting the Unit Mounted Controller Water-to-Water Unit to Your Hydronic (HY) Air Handler

Connecting Controller

Performance Tables

Motor Control Board

System Piping Schematics

Electrical Data

Electrical Diagrams

Air Handler without Electric Heat

Shows the wiring diagram for an air handler without electric heat, including component legends.

Electrical Diagrams

5 Kw Electric Heater Package

Wiring diagram for the 5kW electric heater package, detailing component connections and warnings.

Electrical Diagrams

10 Kw Electric Heater Package

Wiring diagram for the 10kW electric heater package, showing connections for heat strips and blower motor.

Electrical Diagrams

15 Kw Electric Heater Package

Wiring diagram for the 15kW electric heater package, including circuit breakers, relays, and motor connections.

Electrical Diagrams

20 Kw Electric Heater Package

Wiring diagram for the 20kW electric heater package, illustrating heat elements, control board, and blower motor.

Unit Check-Out Sheet

Summary

Physical Data

Dimensional Data for DX Units

Dimensional Data for Hydronic Air Handlers

General Information

Initial Inspection

Inspect all cartons/crates upon receipt for items, damages, or shortages.

Moving and Storage

Store units in shipping carton in a clean, dry area, maintaining upright position. No more than 2 units stacked.

Safety Considerations

Explanation of Symbols

Explains warning symbols, electrical hazards, and signal words like NOTICE and CAUTION.

Location

Installation;Operation Safety Rules

Follow all rules for safe installation and operation, comply with codes, and ensure proper grounding.

Minimum Clearances

Arrangement

Upflow Application

Unit discharge at top; must be level for condensate drainage. Requires platform and plenum connection.

Horizontal Application

Used in attics/crawl spaces. Requires return air duct attached to inlet. Field convertible for airflow direction.

Downflow Application

Downflow Conversion Kit

Furnace Installation

Electrical Wiring

Instructions on connecting power supply and thermostat wires, referring to unit nameplate for data.

Electric Heater Kits

Variable Speed Motor

Installing The Heaters

Steps for installing the electric heater assembly, connecting plugs, and wiring diagrams.

Replacing the ECM Motor

Detailed steps for removing and replacing the blower motor assembly, including disassembly.

ECM Interface Board and Thermostat Connections

Control Wiring

Condensate Drain

Duct System

Piping

DX Refrigerant Piping

Requirements for liquid and suction piping, soldering, insulation, and oil traps for DX systems.

Water Piping

Chilled Water Piping

Specifies ID size for chilled water piping based on BTUs and connection orientation.

Hot Water Piping

Guidelines for hot water piping distance, heater type, and location considerations.

Field Installed TXV

Information on TXV applications, construction, equalization, and installation between flowrator and liquid line.

Check Test and Start Up

Units with Electric Heat

Notes on electric heat operation, heater time delay controls, and circuit breaker indicators.

Units with Hot Water Heating

Steps for hot water systems, including filling, venting air, and starting the water heater.

System Shut-Down

Periodic Maintenance

Recommends monthly filter changes and other maintenance by a licensed technician.

Connecting the Unit Mounted Controller Water-to-Water Unit to Your Hydronic (HY) Air Handler

Connecting Controller

Performance Tables

Motor Control Board

System Piping Schematics

Electrical Data

Electrical Diagrams

Air Handler without Electric Heat

Shows the wiring diagram for an air handler without electric heat, including component legends.

Electrical Diagrams

5 Kw Electric Heater Package

Wiring diagram for the 5kW electric heater package, detailing component connections and warnings.

Electrical Diagrams

10 Kw Electric Heater Package

Wiring diagram for the 10kW electric heater package, showing connections for heat strips and blower motor.

Electrical Diagrams

15 Kw Electric Heater Package

Wiring diagram for the 15kW electric heater package, including circuit breakers, relays, and motor connections.

Electrical Diagrams

20 Kw Electric Heater Package

Wiring diagram for the 20kW electric heater package, illustrating heat elements, control board, and blower motor.

Unit Check-Out Sheet

Bosch DX Series Specifications

General IconGeneral
BrandBosch
ModelDX Series
CategoryAir Handlers
LanguageEnglish

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