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Details about the Bosch BOVB 18 split system heat pump, including SEER and capacity.
Explanation of warning symbols used in the document.
Critical safety information and general precautions for installation.
Physical dimensions of the BOVB36-18 and BOVB60-18 models.
Maximum equivalent lengths and vertical separation for refrigerant lines.
Clearance requirements, cold climate, and corrosive environment guidelines.
Steps to check unit for damage before installation.
Guidelines for installing the unit's support pad.
Specifies sizes for suction and liquid lines and service valve connections.
Determining the correct length for refrigerant lines.
Proper insulation of refrigerant lines to prevent heat transfer.
Precautions for using previously installed refrigerant lines.
Guidelines for routing lines to prevent noise and vibration.
Step-by-step instructions for brazing refrigerant lines.
Procedure for checking refrigerant lines for leaks.
Steps for evacuating the system to remove air and moisture.
Instructions for safely opening the unit's service valves.
Limits for low voltage wire length from unit to thermostat.
Diagrams illustrating low voltage unit connections.
Diagrams showing thermostat connections for various system configurations.
Requirements for the high voltage power supply.
Installation of a disconnect switch for high voltage.
Grounding requirements for the outdoor unit.
Step-by-step guide for starting the heat pump system.
Method for charging refrigerant by weight.
Method for charging refrigerant using subcooling.
System operation logic, sensor identification, and defrost cycle.
Compressor heater, reversing valve, and system protection functions.
Tables for fault codes and system parameter checks.
Diagrams of the main control boards for different models.
Step-by-step troubleshooting for various error codes.
Wiring diagram for the 3-ton BOVB36-18 model.
Wiring diagram for the 5-ton BOVB60-18 model.
Safety guidelines for cleaning the outdoor unit.
Checklist for pre-season inspection of the heat pump.
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General