Bosch LV041 - ECM Control Board Operation; Dehumidification Flowchart

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18 | Start-Up LV Heat Pump Series

LV Heat Pump Series8 733 944 336 (2016/09) Subject to change without prior notice

Figure # 14

Main Page

Default Chapter2
- Table of Contents2
Key to Symbols3
Safety Warnings3
Model Nomenclature4
General Description5
Moving and Storage5
Installation5
- Step1 Check Job Site5
- Step 2 Check Unit5
- Step 3 Locate Unit6
- Step 4 Mount the Unit7
- Hanging Bracket Kit8
- Installation Instructions8
- Step 5 Check Duct System9
- Step 6 Install Condensate Drain9
- Step 7 Pipe Connections10
- Step 8 Wire Power Supply10
  - Water Loop Applications10
  - Ground Loop Applications10
- Step 9 Wire Field Controls12
Unit Controls ECM-UPM12
- ECM Interface Board12
- Safety Devices and the UPM Control12
- Safety Features13
- Freeze Sensor14
- Intelligent Reset14
- Lockout Reset14
Pre-Start-Up15
- Air Coil15
Start up15
- Operating Limits15
- Environment15
- Power Supply15
- Unit Starting Conditions15
- System Checkout15
- Scroll Compressor Rotation16
- Sequence of Operation UPM17
- Sequence of Operation ECM18
- Unit Start up Cooling Mode19
- Unit Start up Heating Mode19
- Flow Regulation19
- Antifreeze20
Application Considerations20
- Well Water Systems20
- Cooling Tower/Boiler Systems21
- Geothermal Closed Loop Systems21
- Open Well Water Systems22
Water Quality22
Water Quality Table23
Condensate Connections23
Piping24
Options24
- Extended Range24
- Units Mounted Non-Fused Disconnect Switch24
- Hot Gas Reheat24
- Hot Gas Bypass25
- Internal 2-Way Water Valve25
- Economizer25
Certified Performance Table26
Fan Motors Options27
- Permanent Split Capacitor Motors (PSC)27
- Constant Torque Motors (ECM)28
- Constant Airflow Motors (ECM)30
- Standard Blower Motor32
- Constant Torque ECM Blower Motor33
- Constant CFM ECM Blower Motor34
Troubleshooting35
Temperature Pressure Table40
Waterside Pressure Drop Table46
Compressor Characteristics47
Corner Weights (HZ)48
Water Coil Volume48
Wiring Diagrams49
Dimensional Drawings56
Vertical56
Horizontal57
Maintenance59
Information on Decommissioning59
Protecting the Environment59
- Components59
- Refrigerant59
Terminology60
Unit Check out Sheet61
- Operating Conditions61
- Auxiliary Heat61
Notes62

Bosch LV041 - ECM Control Board Operation; Dehumidification Flowchart

Table of Contents

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