Rinnai RL94eN Installation Manual
Rinnai RL94eN Installation Manual

Rinnai RL94eN Installation Manual

Tankless rack system
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Tankless Rack System Installation Manual
Additional information can be obtained from the appliance manual.
WARNING
— Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other
appliance.
— WHAT TO DO IF YOU SMELL GAS
 Do not try to light any appliance.
 Do not touch any electrical switch; do not use any phone in your building.
 Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.
 If you cannot reach your gas supplier, call the fire department.
— Installation and service must be performed by a licensed professional.
Free Standing Rack
If the information in these instructions is not followed exactly, a fire or explosion
may result causing property damage, personal injury or death.
(6 water heaters)
1
Rinnai Rack Installation

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Summarization of Contents

Safety and Installation Overview
Safety Symbols Explained
Explanation of safety alert symbols (Danger, Warning, Caution) used in the manual.
Professional Installation Requirements
Requirements for licensed professionals and necessary installer skills for the TRS system.
Product Description and Venting
Tankless Rack System Description
Overview of Rinnai Tankless Rack Systems (TRS) features and configurations.
Venting Options
Details on available venting options for Tankless Rack Systems.
Wall Hanging Rack Components
Wall Hanging Racks
Part numbers and illustrations for standard wall hanging racks.
Wall Hanging SE Series Racks
Part numbers and illustrations for SE series wall hanging racks.
Wall Hanging SE+ Series with Pump Racks
Part numbers and illustrations for SE+ series wall hanging racks with pump.
HE, Corner, and Inline Rack Components
Wall Hanging HE Series Racks
Part numbers and illustrations for HE series wall hanging racks.
Corner Hanging Racks
Part numbers and illustrations for corner hanging racks.
Inline Wall Mount Racks
Part numbers and illustrations for inline wall mount racks.
Freestanding Rack Components
Freestanding Racks
Part numbers and illustrations for freestanding racks.
2 Unit Wall Hanging Frame Specifications
Dimensions and Configurations
Diagrams showing dimensions for 2 unit wall hanging frames.
2 Unit Wall Hanging Frame Details
TRW02i and TRW02e Specifications
Detailed specifications for TRW02i and TRW02e models.
3 Unit Wall Hanging Frame Specifications
Dimensions and Configurations
Diagrams showing dimensions for 3 unit wall hanging frames.
3 Unit Wall Hanging Frame Details
TRW03, TRW03e, TRW23i, TRW23e Specs
Detailed specifications for TRW03, TRW03e, TRW23i, TRW23e models.
2 Unit Wall Hanging SE Series Frame Specifications
Dimensions and Configuration
Diagrams showing dimensions for 2 unit SE series wall hanging frames.
2 Unit Wall Hanging SE Series Frame Details
TRW02SEi and TRW02SEe Specifications
Detailed specifications for TRW02SEi and TRW02SEe models.
2 Unit Wall Hanging SE+ Pump Frame Specifications
Dimensions and Configuration
Diagrams showing dimensions for 2 unit SE+ pump wall hanging frames.
2 Unit Wall Hanging SE+ Pump Frame Details
TRW02STi and TRW02STe Specifications
Detailed specifications for TRW02STi and TRW02STe models.
3 Unit Wall Hanging SE+ Pump Frame Specifications
Dimensions and Configuration
Diagrams showing dimensions for 3 unit SE+ pump wall hanging frames.
3 Unit Wall Hanging SE+ Pump Frame Details
TRW03STi and TRW03STe Specifications
Detailed specifications for TRW03STi and TRW03STe models.
2 Unit Wall Hanging HE Series Frame Specifications
Dimensions and Configuration
Diagrams showing dimensions for 2 unit HE series wall hanging frames.
2 Unit Wall Hanging HE Series Frame Details
TRW02HEi, TRW02HEXi, TRW02HEe Specs
Detailed specifications for TRW02HEi, TRW02HEXi, TRW02HEe models.
3 Unit Wall Hanging HE Series Frame Specifications
Dimensions and Configuration
Diagrams showing dimensions for 3 unit HE series wall hanging frames.
3 Unit Wall Hanging HE Series Frame Details
TRW03HEi, TRW03HEXi, TRW03HEe Specs
Detailed specifications for TRW03HEi, TRW03HEXi, TRW03HEe models.
2 Unit Corner Hanging Frame Specifications
Dimensions and Configuration
Diagrams showing dimensions for 2 unit corner hanging frames.
2 Unit Corner Hanging Frame Details
TRC02i Specifications
Detailed specifications for the TRC02i corner hanging rack.
2 Unit Wall Mount Frame Specifications
Dimensions and Configuration
Diagrams showing dimensions for 2 unit wall mount frames.
2 Unit Wall Mount Frame Details
TRS02ILW Specifications
Detailed specifications for the TRS02ILW wall mount rack.
3 Unit Wall Mount Frame Specifications
Dimensions and Configuration
Diagrams showing dimensions for 3 unit wall mount frames.
3 Unit Wall Mount Frame Details
TRS03ILW and TRS23ILW Specifications
Detailed specifications for TRS03ILW and TRS23ILW racks.
4 Unit Free Standing Frame Specifications
Dimensions and Configurations
Diagrams showing dimensions for 4 unit free standing frames.
4 Unit Free Standing Frame Details
TRS04, TRS03, TRS02, TRS02IL Specs
Detailed specifications for 4 unit free standing racks.
6 Unit Free Standing Frame Specifications
Dimensions and Configurations
Diagrams showing dimensions for 6 unit free standing frames.
Installation Clearances
Indoor Model Clearances
Required clearances for indoor installation of rack systems.
Outdoor Model Clearances
Required clearances for outdoor installation of rack systems.
Hoisting Procedures
Hoisting with Lifting Lugs
Instructions for hoisting racks using installed lifting lugs.
Hoisting with Straps
Instructions for hoisting wall hanging racks using straps.
Securing Free Standing Racks
Anchoring Requirements
Guidelines for anchoring free standing racks to the floor.
Securing Wall Mount Racks (ILW)
Wall Rack Model Availability
Models available for wall mounting and attachment instructions.
Securing Wall Hanging Racks (TRW)
Attachment Procedure
Step-by-step instructions for securing TRW wall hanging racks.
Securing Wall Hanging Racks (TRC)
Bracket Attachment and Securing
Instructions for attaching brackets and securing TRC wall hanging racks.
Piping and Manifolding
Relief Valve Piping
Information on pressure relief valve piping for Rinnai Tankless Water Heaters.
Piping for Multiple Racks
Guidelines for parallel piping of multiple rack systems.
Manifold End Caps and Connections
End Cap Material Requirements
Requirements for field-supplied end caps for manifolds.
Condensate Management
Condensate Drain Requirements
Details on condensate drain outlets and piping for rack systems.
Condensate Manifold Installation
Information on installing condensate manifolds on specific rack models.
Plumbing and Gas Supply Installation
Plumbing Checklist
A checklist for ensuring proper plumbing installation and water quality.
Gas Supply Installation
Critical steps and warnings for installing the gas supply.
Electrical Connections
Grounding and Wiring
Guidelines for proper electrical grounding and wiring.
Pre-Wired Electrical Assembly
Interior Models with Electrical Assemblies
Overview of interior models featuring pre-wired electrical assemblies.
Pre-Wired Electrical Assembly Connection
Connecting Indoor Units
Procedure for connecting indoor units to the pre-wired assembly outlet.
TRW ST Series Plumbing: Dedicated Return
Dedicated Return Line Connection
Instructions for connecting a dedicated recirculation return line.
TRW ST Series Plumbing: Crossover Return
Crossover Valve Conversion Steps
Steps for converting to a crossover return valve for recirculation.
MSB Control System Installation
MSB Unit Connectivity
Guidelines for electronically connecting water heaters using the MSB control system.
Final Installation Checklist
Pre-Installation Checks
Checklist items to verify before starting installation.
Post-Installation Checks
Checklist items to verify after installation is complete.
TRW Series Replacement Parts
Common TRW Parts
Identification of common replacement parts for TRW series racks.
TRW HE Series Replacement Parts
TRW02HE/HEX and TRW03HE/HEX Parts
Identification of replacement parts for TRW HE series racks.
TRC Series Replacement Parts
TRC02 Replacement Parts
Identification of replacement parts for the TRC02 series rack.
TRS Series Replacement Parts
General TRS Parts
Identification of common replacement parts for TRS series racks.
TRS Condensate Manifold Parts
Condensate Manifold Descriptions
Descriptions of condensate manifolds for various TRS rack models.
Extended Limited Labor Warranty
Warranty Registration and Coverage
Details on extending labor warranty for Tankless Rack Systems.
Warranty Limitations and Exclusions
Uncovered Issues
List of conditions and issues not covered by the limited warranty.

Table of Contents