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Need help?Do you have a question about the Friedrich VERT-I-PAK VHA-09K25RTP and is the answer not in the manual?
Covers potential hazards, warnings, and safety procedures for installation and service.
Details on locating and understanding model and serial number information on the unit.
Explains the breakdown and meaning of each part of the unit's model number.
Explains the format and meaning of the unit's serial number.
Provides key technical data including cooling, heating, electrical, and physical characteristics.
Outlines the physical dimensions and airflow data for 9K and 12K chassis models.
Details the physical dimensions and airflow data for 18K chassis models.
Details the physical dimensions and airflow data for 24K chassis models.
Presents electrical specifications, including heater watts, voltage, and current ratings.
Details wire sizing, fuse/breaker requirements, grounding, and circuit protection.
Lists sound power levels for indoor and outdoor operation in decibels (dBA).
Provides indoor airflow (CFM) data based on external static pressure (ESP).
Specifies installation clearance requirements for building exterior openings and grills.
Describes standard features like fan delays, diagnostic programs, and sensor functions.
Explains how the unit cycles through cooling, heating, and fan-only modes.
Details the random delay feature to prevent multiple compressors starting simultaneously.
Explains the fan start and stop delays during cooling cycles for improved comfort.
Covers thermostat selection, connection requirements, and wiring.
Provides guidance on the optimal placement of thermostats for accurate temperature control.
Explains how to connect a central desk control system to manage unit operation.
Details how to connect relays for operating auxiliary or transfer fans.
Explains the basic principles and cycle of the refrigeration system.
Instructions for cleaning coils, base pan, and unit chassis to ensure proper function.
Guidance on cleaning the unit's exterior decorative panels and cabinet.
Information regarding the permanent lubrication of fan motors and compressors.
Instructions for inspecting and cleaning the unit's wall sleeve and drain system.
Procedures for inspecting and cleaning blower wheels, housings, and condenser fans.
Periodic inspection of control components, electrical systems, and power supply.
Recommended schedule for cleaning or replacing the unit's air filter.
Step-by-step instructions for safely removing the unit chassis from its installation.
Notes on how the chassis is designed for quick disconnect and replacement.
Essential procedures and notes for proper refrigerant charging of the system.
Symptoms and checks for systems with insufficient refrigerant charge.
Symptoms and checks for systems with excess refrigerant charge.
Guidance on diagnosing and troubleshooting refrigerant flow restrictions.
Detailed steps for charging the system using the weighed-in charge method.
Procedures for measuring external static pressure to determine airflow.
Charts and tables to help determine indoor airflow based on ESP.
Clarification on how to use the CFM and correction factor charts.
Lists indoor airflow rates for various static pressures and fan speeds.
Important considerations for flex duct installation to avoid airflow restrictions.
Description of the fresh air intake system and its operation.
Method to calculate airflow using temperature rise if gauges are unavailable.
Formula for calculating CFM based on electric heat operation.
Procedures for checking capillary tubes for restrictions in cooling and heating modes.
Explains the operation and function of the two-way check valve in heat pumps.
Details the function and operation of the 4-way reversing valve.
Steps to test the electrical continuity and grounding of the reversing valve solenoid coil.
Procedures for testing the reversing valve's shifting operation under various conditions.
Step-by-step instructions for safely replacing the reversing valve.
A diagnostic chart correlating symptoms to possible causes and corrections for reversing valves.
Procedures for testing compressor voltage, amperage, and overloads.
Testing the resistance of the compressor motor windings (start, run, common).
Procedure to check if the compressor motor is grounded.
Assessing compressor valve performance by checking pressure and temperature differentials.
General steps and precautions for replacing a compressor, including burnout procedures.
Testing procedures for the fan motor, including capacitor checks.
Guidance on testing motor capacitors for proper operation and values.
Testing procedures and specifications for heating elements and limit switches.
Procedure for testing the temperature-sensitive condensate drain valve.
A table listing resistance values for thermistors at various temperatures.
Troubleshooting steps if the diagnostic service module does not power on.
Procedures for testing voltage and connections to the electronic control board.
Identification and testing procedures for components on the electronic control board.
Step-by-step testing procedure for the 24K indoor blower motor.
Explains how to read and clear error codes displayed on the unit control panel.
Flowchart to diagnose electrical issues preventing cooling operation.
Flowchart to diagnose electrical issues in heat pump mode.
Diagnostic chart for various refrigerant system problems during cooling.
Diagnostic chart for various refrigerant system problems during heating.
Wiring diagram for 9K and 12K models operating at 208/230V.
Wiring diagram for 9K and 12K models operating at 265V.
Wiring diagram for 18K models with specified heater sizes at 208/230V.
Wiring diagram for 18K models with specified heater sizes at 265V.
Wiring diagram for 18K models with 7.5KW heater at 208/230V.
Wiring diagram for 18K models with 7.5KW heater at 265V.
Wiring diagram for 24K models with specified heater sizes at 208/230V.
Wiring diagram for 24K models with 7.5/10KW heaters at 208/230V.
Wiring diagram for 24K models with specified heater sizes at 265V.
Wiring diagram for 24K models with 7.5/10KW heaters at 265V.
Exploded view and parts list for 9K and 12K unit assemblies.
Exploded view and parts list for 9K and 12K refrigeration components.
Parts list for 9K and 12K models configured for 208/230V.
Parts list for 9K and 12K models configured for 265V.
Exploded view and parts list for 18K unit assemblies.
Exploded view and parts list for 24K unit assemblies.
Parts list for 18K and 24K refrigeration components.
Exploded view and parts list for 18K blower assemblies.
Exploded view and parts list for 24K blower assemblies.
Exploded view and parts list for the 18K 230V control box.
Exploded view and parts list for the 24K 230V control box.
Exploded view and parts list for the 18K 265V control box.
Exploded view and parts list for the 24K 265V control box.
Extruded aluminum grille accessory for the outdoor section of the wall plenum.
Telescoping two-part sleeve accessory for exterior wall penetration.
Adapter for connecting Friedrich chassis to SPXR series units.
Access panels and grilles for return air openings with various configurations.
Thermostats featuring occupancy sensors for energy management.
Options for wired and wireless single-stage thermostats with programmable features.
Drain pan accessory that must be installed for VHA18 and VHA24 models.
Details warranty coverage for parts and workmanship during the first year of installation.
Covers the sealed refrigeration system for the subsequent four years after the first year.
Company's commitment to product quality, customer satisfaction, and warranty cost control.
A listing of authorized distributors for Friedrich air conditioning parts.
General| Model | VHA-09K25RTP |
|---|---|
| Voltage | 208/230V |
| Phase | 1 |
| Cooling Capacity | 9, 000 BTU |
| Heating Capacity | 9, 000 BTU |
