Bosch LM Split CS Series - Table of Contents

LM Split CS Series Heat Pump
LM Split CS Series Heat Pump8733827906 (2021/11)
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Subject to change without prior notice
CONTENTS
Document Conventions .......................................................3
Key to Symbols............................................................ 3
Safety Warnings..................................................................3
Model Nomenclature ...........................................................4
CS/Air Handler Pairing ........................................................5
LM Split CS Standard Package..............................................6
General Description ..................................................... 6
Moving and Storage ..................................................... 6
Initial Inspection.......................................................... 6
Unit Installation ..................................................................7
Location Selection...............................................................7
Condensing Section Location ........................................ 7
Air Handler Location..................................................... 7
Installation .........................................................................7
Condensing Section Installation..................................... 7
Condensate Drain........................................................ 8
Water Piping ............................................................... 8
Refrigerant Lines ................................................................9
Linear vs. Equivalent Line Length ................................... 9
Connecting Refrigerant Lines......................................... 9
Additional Adjustments Required when Pairing LM Split CS
with BVA2.0 and BMAC .............................................. 11
Water Quality Table...........................................................14
Electrical .................................................................. 15
Safety Devices and the UPM Controller...............................16
Typical System Setup ........................................................19
Specific Application Considerations ............................. 20
Well Water Systems ................................................... 20
Cooling Tower/Boiler Systems.....................................20
Geothermal Systems..................................................20
Post-Installation System Checkout.....................................21
System Operation .............................................................21
Unit Start-up.....................................................................21
Sequence of Operation......................................................21
Field-Installed Accessories ................................................23
Flow Proving Switch (DPS) ......................................... 23
Pump/Valve Relay...................................................... 23
SmartStart Assist Specifications.................................. 24
SmartStart Assist Modes of Operations......................... 24
Check-Out Sheet...............................................................27
Troubleshooting................................................................28
SmartStart Assist Troubleshooting............................... 30
SmartStart Assist Flashing Sequence............................ 30
UPM LED Status Indicator (Blink Code) Information........ 31
Compressor Ohms .....................................................31
Operating Temperatures and Pressures.............................. 32
Maintenance .................................................................... 36
Water Side Pressure Drop in PSIG ................................36
Decommissioning Information ........................................... 37
Protecting the Environment .........................................37
Wiring Diagrams............................................................... 38
Dimensional Drawings....................................................... 40
Terminology ..................................................................... 41
Acronyms .................................................................41
Terms.......................................................................41
Notes ............................................................................... 42