Need help?Do you have a question about the Toshiba HWS-804XWHM3 series and is the answer not in the manual?
Overview of the ESTIA Series 4 heat pump system and its main components.
Important considerations for system design and installation.
Detailed breakdown of the Hydro Unit components with numbered labels.
Method to verify if the internal expansion vessel capacity is sufficient.
Graphical representation of pump performance for HWS-804XWHM3-E models.
Graphical representation of pump performance for HWS-1404XWHM3-E models.
Diagram of the electrical box layout and the power lines schematic.
Schematics for control lines and terminal block connections.
Specifications for power supply cables and their destinations.
Guidelines for earthing and connecting power to the hydro unit.
Instructions for installing and configuring a second remote controller.
Guide to setting DIP switches for system configuration.
Explanation of each button on the Hydro Unit remote controller.
Explanation of display indicators for zones and hot water.
Step-by-step guide to setting up the schedule timer on the remote controller.
Function codes for setting temperature ranges and heat pump operation.
Function codes for boiler/heat pump operation and room temperature control.
Steps for performing test runs for different system operations.
List of check codes related to pump, temperature, and antifreeze issues.
List of check codes for communication, sensor, and pressure errors.
List of check codes for sensor, EEPROM, and setting errors.
List of check codes related to compressor and thermostat problems.
List of check codes for valve, fan, and compressor driver errors.
Using LEDs on the outdoor unit PCB for fault diagnosis.
To Next Page
General