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Need help?Do you have a question about the Rheem Raypak Hi Delta H Series and is the answer not in the manual?
Definitions for DANGER, WARNING, CAUTION, and NOTE terms used in the manual.
Instructions for checking the heater upon receipt and reporting any shipping damage.
Explanation of how to identify the heater model and its components.
Details on standards and certifications the heater complies with.
Information regarding de-rating for installations at higher altitudes.
Diagram showing component locations on the back of the heater unit.
Diagram showing component locations on the left side of the heater unit.
Diagram showing component locations on the front of the heater unit.
Chart detailing water temperature and time to produce serious burns.
List of codes and standards that must be followed for installation.
Requirements for the mounting surface and location of the heater.
Information on stacking multiple Hi Delta units with optional racks.
Minimum clearances from combustible surfaces for indoor installations.
Clearances required for outdoor installations and overhangs.
Requirements for supplying combustion air to indoor units.
Instructions for direct venting of combustion air to the unit.
Guidance on ducting combustion air directly to the heater.
Requirements for combustion air from inside a confined space in the U.S.
Requirements for combustion air from outdoors in confined spaces in the U.S.
Requirements for combustion air supply in Canada.
Instructions to reverse water connections from left to right side.
Procedure for performing a hydrostatic test on piping connections.
Measures to prevent condensation in cold climates for CWP systems.
Guidelines for selecting the correct pump size for optimal performance.
Configuration details for WH units in direct DHW applications.
Precautions when using the heater for both potable and space heating.
Recommended water chemistry levels for pool and spa heaters.
Instructions for connecting the gas supply and precautions.
Steps to reverse the fuel connection from left to right side.
Requirements for gas supply pressure and regulator settings.
Detailed steps for making electrical connections to the heater.
Procedure for verifying incoming power voltage and polarity.
Instructions for connecting an outdoor sensor for temperature monitoring.
Wiring connections for pumps and sensors in cascade systems.
Wiring follower pumps and sensors in cascade configurations.
Information on connecting to building automation via Modbus.
Guidelines for proper placement of vent terminals to prevent issues.
Specific vent termination requirements for U.S. installations.
Specific vent termination requirements for Canadian installations.
Instructions for changing the flue connection using an optional kit.
Details on natural draft venting, installation, and termination.
Steps for installing horizontal through-the-wall venting systems.
Guidelines for terminating horizontal through-the-wall vents.
Installation of horizontal ducted air venting systems.
Installation of vertical ducted air venting systems.
Detailed sequence of operation for models 992C-1262C.
Detailed sequence of operation for models 1532C-2342C.
Settings and operation for freeze protection modes.
Explanation of the ignition sequence and safety controls.
Information on the optional adjustable auto-reset high limit device.
Details on the standard fixed-setting manual-reset high limit.
Function of the flow switch to prevent pump failure or low water flow.
Function of the optional low water cut-off device.
Role of air pressure switches in proving blower operation.
Operation of high and low gas pressure switches for safety.
Function of the blocked vent switch to prevent operation.
Description of the user interface buttons and navigation.
Instructions for navigating the setup/adjust menu for settings.
Procedure for adjusting the heater's setpoint temperature.
Description of items displayed in the View menu.
Parameters for target temperature, tank setpoint, and differentials.
Settings for mixing type, target, lock, trim, speed, and inversion.
Enabling boilers, ignition status, and vent wall settings.
Parameters for limit temperature, EMS VDC, and firing rate.
Tracking burner, pump, and DHW run times and cycle counts.
Recording highest and lowest temperatures for various system points.
Functions to look up errors, perform user tests, and reset settings.
Explanation of how outdoor temperature affects heating water temperature.
Schematic for electrical wiring of models 992C and 1262C.
Schematic for electrical wiring of models 1532C through 2342C.
Pre-start-up checks for system filling, purging, and venting.
Verification steps before initial unit operation.
Procedure for adjusting the blower for optimal air pressure.
Steps for adjusting main burner ignition and gas pressure.
Checks for thermostats, high limits, pressure switches, and flow switches.
Steps for performing leak tests on gas valves.
Final checks after unit start-up, including safety controls.
Step-by-step guide for safely lighting the heater.
Procedure for safely shutting off gas supply to the appliance.
Recommended daily, monthly, and yearly maintenance tasks.
Daily preventive maintenance checks and procedures.
Details on warranty coverage for parts and labor.
Conditions and situations not covered by the warranty.
Procedure for initiating a warranty claim.
Requirements for CO detector installation in Massachusetts.
Specifications for approved CO detectors.
General