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General| Refrigerant | R-410A |
|---|---|
| Series | HP29 Series |
| Stages | Single Stage |
| Heating Capacity | 18, 000 - 60, 000 BTU/h |
| Warranty | 5-Year Limited Warranty on covered components |
General introduction to the HP29 heat pump units and manual scope.
Technical data including model numbers, sizes, and connections.
Details on coil face area, tube diameter, fins, and fan specifications.
Provides ampacity, voltage, and motor data for different models.
Diagram and labels for components of the HP29-090-3 unit.
Diagram and labels for components of the HP29-120-3 unit.
Layout and components within the HP29-090-3 control box.
Layout and components within the HP29-120-3 control box.
Details on the optional disconnect switch for power isolation.
Information on capacitors assisting outdoor fan motor startup.
Description of the contactor that energizes the compressor.
Function of S41 in controlling outdoor fan operation at low temperatures.
Role of K6 in controlling the reversing valve for cooling/heating modes.
Function of K8 in enabling conventional thermostat use.
Relays controlling outdoor fan operation based on demand.
Distribution point for 24V power from the thermostat.
Relay that bypasses ambient switches for fan operation.
Details on the optional 110v ground fault interrupter.
Overview of the scroll compressor design and operation.
Function of HR1 in maintaining compressor lubrication.
Safety switch that opens on high discharge pressure.
Switch that enables mechanical cooling at low outdoor temps.
Thermostat on discharge line for compressor protection.
Switch that opens on low liquid line pressure.
Component that reverses refrigerant flow for heating/cooling.
Devices controlling refrigerant flow based on superheat.
Information on the outdoor fans used in the units.
Introduction to the four components of the defrost system.
Details on the defrost control board's functions and settings.
Visual representation of the defrost control boards for different units.
Diagram illustrating refrigerant path during cooling operation.
Diagram illustrating refrigerant path during heating operation.
Details on refrigerant piping and required line sizes.
Explanation of the accumulator's role in preventing slugging.
Information on the location and use of service valves.
Steps for checking wiring, voltage, and fan rotation before startup.
Steps for performing leak detection using nitrogen and HCFC-22.
Procedure for removing non-condensables and achieving deep vacuum.
Methods and guidelines for charging the system with refrigerant.
Steps for cleaning and inspecting the outdoor unit.
Steps for cleaning and inspecting the indoor coil.
Steps for cleaning filters and checking blower components.
Electrical schematic for the HP29-090-2 model.
Electrical schematic for the HP29-090-3 model.
Step-by-step explanation of cooling mode sequence.
Step-by-step explanation of heating mode sequence.
Explanation of the defrost mode sequence and termination.
Electrical schematic for the HP29-120-2 model.
Electrical schematic for the HP29-120-3 model.
Step-by-step explanation of cooling mode sequence for HP29-120.
Step-by-step explanation of heating mode sequence for HP29-120.
Explanation of the defrost mode sequence for HP29-120.
Wiring diagram for connecting thermostat with auxiliary heat.
Wiring diagram for connecting thermostat without auxiliary heat.
General advisory notes for servicing the unit.
