Rheem RS80-42BP, RS47-21BP Customer Approval, Branch Circuit Sizing and Wire Size Guide

Page 14

Installing the water heater.

Review the checklist for installation requirements.

Check the following before beginning installation. Permits

Obtain required permits before installation.

Work Force

An 80 gallon storage tank weighs up to 242 lbs empty, requiring a crew of two or more to install.

Inventory

Review Section on Frames, included hardware, and all optional supplies before beginning installation.

Required Tools, Equipment and Supplies

Basic Plumbing, Electrical and Carpentry Supplies

Metric wrench (36 mm open end wrench)

12” pipe wrench

Two 12” adjustable (crescent)

Wrenches

Water pressure gauge

Crowbar

Copper tubing cutter

Soldering kit

Caulking gun

24” Spirit (bubble) level

Cable cutter / stripper

6” diagonal cutting and long nose pliers

100' Grounded extension cord

Screwdriver Set (# 2 Philip’s, 1/4” Slotted)

Tape measure (100 Foot)

16-Ounce claw hammer

Marking pen

Utility knife

3/8”-drive socket set

2 Extension ladders

Flashlight / electric lantern

Pipe vice / cutter / threader

Volt, ohm, ammeter

Hacksaw

1/2” Electric drill with bit set

Skill Saw with standard and masonry blades

Crane, if required

1” Wood-boring bit

Consumable Supplies:

Masking/duct tape

Wood/sheet metal screws

Dielectric pipe unions

Waterproof sealing compound

5/16” Lag Screws, 1 3/4”, 2”, 3”, 6”, as required

Washers

Nails, 16g, or assorted, as required

Silicone sealant

2' x 4' x 8'4” redwood, treated-wood or

Unistrut runners, as required

Customer Approval

Review the checklist with the customer and discuss all installation requirements and procedures.

• Ask the customer to sign the checklist.

NOTICE: This guide recommends minimum branch circuit sizing and wire size based on National Electric Code. Refer to the wiring diagrams in this manual for field wiring connections.

Branch Circuit Sizing and Wire Size Guide

Total Water

Recommended Over Current Protection

Copper Wire Size AWG Based

 

Heater Wattage

(fuse or circuit breaker amperage rating)

on N.E.C. Table 310-16 (75°C)

 

 

208V

 

240V

 

277V

 

480V

208V

 

240V

 

277V

 

480V

 

 

 

 

 

 

 

3,000 or lower

20

 

20

 

15

 

15

12

 

12

 

14

 

14

4,000

25

 

25

 

20

 

15

10

 

10

 

12

 

14

4,500

30

 

25

 

25

 

15

10

 

10

 

10

 

14

14

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Contents Passive Solar Water Heating Systems Care and Cleaning Safety InformationInstallation Instructions Troubleshooting TipsIntroduction Keep the use of the Backup Heater to a Minimum Try to use Hot Water during Daylight HoursWater Temperature Setting Time/Temperature Relationship in ScaldsRead and Follow this Safety Information Carefully Installing the water heater System Parts ID List Storage TankSite Inspection Equipment Pre-InstallationRecord extreme weather conditions on checklist Review Local CodesArea Requirements for Collectors System Placement RequirementsNumber Installation Plumbing/Electrical stub-outCompass Pitch Mount No. of Collectors Roof InstallationsPitch Requirements Roof Support Requirements Roof Type Installation Type Supporting StructuresRoof Survey Conventional Roof ModificationsConventional Roof Modifications Truss Frame Modifications Branch Circuit Sizing and Wire Size Guide Customer ApprovalElectrical Schematic Electrical System RequirementsTypical Installation Type of Installation= Mixing Valve = Temperature & Pressure Relief Metal / Sturdy Tile Installation Plumbing System Schematic for Installation as Pre HeaterTypes of Roof Installation Supporting Structure installation Roof PreparationInstalling the water heater Page Pipe Leg Connection Detail Frame AssemblyLower Pipe Leg Installation Collector Installation Collector Fitting Installation DetailStorage Tank Installation Metal / Sturdy-TileExternal Piping Insulation Plumbing InstallationStorage Tank Plumbing Attachment Detail, Left Side To Fill the Water Heater Electrical InstallationInstall Roof Jack Panel See Key to Stub Out Details BelowTest and Fill Procedure Test and Fill the Closed LoopInstalling the water heater Neutral Connect Storage Tank to Electrical SupplyDetail of Electrical Connections Safety Controls Operating the water heater. Installation ChecklistSafety Precautions To replace the temperature limiting controlIf adjustment is necessary… Water Temperature SettingTime/Temperature Relationship in Scalds Draining the Water Heater Care and cleaning of the water heaterRoutine Preventative Maintenance Anode RodVacation and Extended Shut-Down Vacations or Brief AbsencesBefore You Call For Service… Problem Possible Causes What To DoLow Hot Water ‘A’ Frame kit consists Installations using 17.5 a FramesFrames Side Pitch Installations Tile Roof Against Pitch Installations Tiled Roof Variations for Metal and Fibreboard RoofsVariations for Shallow Pitch or Flat Deck Roofs Flashing and Roof PenetrationsIf YOU Need Service
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RS47-21BP, RS80-42BP specifications

The Rheem RS47-21BP and RS80-42BP are innovative water heater solutions designed to meet the diverse needs of modern households. These models incorporate advanced technologies to enhance efficiency, performance, and user convenience.

The Rheem RS47-21BP is a 47-gallon heat pump water heater that provides a strong balance between performance and energy savings. One of its standout features is its impressive energy efficiency rating. This model utilizes heat pump technology harnessing ambient heat from the air to heat water, drastically reducing energy consumption compared to traditional electric water heaters. This results in lower utility bills and a smaller carbon footprint, making it an environmentally conscious choice.

On the other hand, the RS80-42BP is a larger 80-gallon heat pump water heater suitable for families with higher hot water demands. It offers a similar energy-efficient operation as the RS47-21BP but with an increased capacity. This model is perfect for households that require a reliable supply of hot water for multiple simultaneous uses, such as showers, dishwashing, and laundry. The unit's size is designed to cater efficiently to larger families or higher demand scenarios, making it an ideal choice for busy homes.

Both models are equipped with advanced smart technology, allowing the user to monitor and control the water heater remotely through a smartphone application. This feature provides real-time data on water usage and energy consumption, empowering users to manage their hot water needs proactively. Furthermore, the intuitive interface makes it easy to adjust settings, helping households maximize efficiency.

Additionally, Rheem has incorporated protective features in both models, including an intelligent self-diagnostic system that assists in troubleshooting. The LED display offers clear indications of operational status, making maintenance straightforward. Both units come with durable construction, designed to resist corrosion and prolong their lifespan.

Overall, the Rheem RS47-21BP and RS80-42BP represent the forefront of water heating technology, combining efficiency, smart technology integration, and ample capacity. These water heaters are not only reliable but also contribute significantly to energy savings, catering to both small and large household needs effectively.