Rheem RS80-42BP- Manual

6 IMPORTANT SAFETY INFORMATION. READ ALL INSTRUCTIONS BEFORE USING. WARNING! For your safety, the information in this manual must be followed to minimize the risk offire or explosion, electric shock, or to prevent property damage, personal injury, or loss oflife. Be sure to read and understand the e...

Installing the water heater. The location chosen for the water heater must take into consideration the following: Local Installation Regulations This water heater must be installed inaccordance with these instructions,local codes, utility codes, utilitycompany requirements or, in theabsence of local...

Installing the water heater. 8 Solar Collector 3/4” Union Nut 3/4” T/P Valve Fill Fitting Collector Nut 18mm Union Cone 3/4” Check Valve (NOT INCLUDED) Collector Hot Pipe Collector Plug Lag Screw (5/16” x 1 3/4”) (NOT INCLUDED) 3/4” Cold WaterExpansion Valve Collector Clamps 3/4” Tail Plug Tempering...

Installing the water heater. 10 The system must face between 135 - 225°(Ideal direction is true South): (Refer to theFigure on the right). Installations outside this range require eitheran additional collector or frame. Site must be shade-free year-round and clearof obstructions. Plumbing/Electrical...

Installing the water heater. Roof Survey Record the following on thechecklist:• The type of roofing material (tile, shingle, tar & gravel, metal, etc.). • The condition of the roof. Note any repair requirements needed prior to installation.• Draw diagram (top view) as shown below, of installatio...

13 Conventional Roof Modifications Truss Frame Modifications Allowable Spans for Trusses 2” x 4” Top Chord 2” x 6” Top Chord 24” O.C. Kickers Bottom Chord Pitch Roof Material 21” 32” X 2”x4” or 2”x6” 3:12¹ Tile 24” 36” X 2”x4” or 2”x6” 3:12¹ Shake 25” 38” X 2”x4” or 2”x6” 4:12² Tile 28” 42“ X 2”x4” ...

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 lbsempty, requiring a crew of two or more to install. Inve...

NOTICE:All wiring must conform to local codesor the latest edition of National Electrical CodeANSI/NFPA 70. WARNING: Any wiring outside of the house should be rated for the appropriate weatherconditions. If the system is being used as a pre-heater to anexisting water heater, the electrical review an...

16 Installing the water heater. Typical Installation Choose the installation type from thefollowing; 1. As a replacement for an existing water heater (Preferred). 2. As the stand alone source of hot water for new construction orlocations without a previous waterheater. 3. As a pre-heater to an exist...

18 Installing the water heater. Types of Roof Installation Installation types are divided into thefollowing: Standard Installation: The system is mounted to wood orUnistrut runners directly to the roofwith no need for pitch or directionalchanges. Metal / Sturdy Tile Installation: The system is mount...

Roof Preparation Refer to the checklist for necessary roofmodifications on page 12. Install supports for Fragile Tile Roof The system may be installed directly onmost roof types if the roof is in goodcondition with adequate drainage. For other types of roofs, do the following: Clear area of roofing ...

20 Installing the water heater. Wood Runner Detail for 16” & 24” On-Center Rafters for Standard Installation Collector Extrusion Detail for Standard Installation CAUTION: The Extrusion must slope1/2” per collectorfrom horizontal (hotpipe side to be higher)for the system to workcorrectly. ! Metal...

21 Collector Extrusion & Strap Installation Detail - Tile Roof CAUTION: Straps must be attached directly onto therafters or trussed not lessthan 39” apart and not morethan 63" apart. ! CAUTION: The Extrusion must slope 1/2”per collector from horizontal(hot pipe side to be higher)for the syst...

22 Installing the water heater. Frame Installation continued.... • Drill each runner in center and 6" from runner ends and screw to rafters ortrusses with 5/16" x 6" lag screws andwashers, • Flash and seal all roof penetrations. 3. Move all pieces of Frame to roof and assemble (refer to ...

23 Collector Installation Collector Union Collector Union Collector Nut Fill Assembly Collector Nut Collector Plug Collector Fitting Installation Detail 1. Set collectors in place, resting lower ends on collector extrusion or frame, 2. Remove plugs from corners of the collectors 3. Connect collector...

24 Installing the water heater. Storage Tank Installation CAUTION: Do not damageinternal collectorabsorber withscrews. ! CollectorHot Pipe Tank Clamp 1. Spread open (4) four tank clamps (2 for metal or sturdy tile installations) to allowroom to clear tank foot, and attach torear foot of tank. 2. Pla...

25 6. Level the tank. 7. Tighten the tank system in place. 8. Tighten hot pipe and downpipe connections. 9. Install tee adapter (See figure at right). 10. Install T/P Valve into tee adaptor (See figure at right). 11. Install tail plug in right end of tank (See figure at left). 11. Continue with plum...

26 Installing the water heater. See Key to Stub - Out Details Below: All plumbing and wiring Stub-Outs tobe a minimum of 18" above roof frame. (E) Electrical service (240V, 20-amp required only if using auxiliaryelectrical backup in tank) (R) 3/4" Relief Line (H) Hot Supply to House (C) 3/4&...

CAUTION: On new construction,Do Not fill storagetank and/or chargethe closed loopsystem until thewater heater isready for use.Cover the collectorsuntil the system isfilled and charged.Place a tag on thesystem if it s notfilled and charged. ! Closed Loop Fluid The closed loop mustbe filled ONLY with ...

29 Connect Storage Tank to Electrical Supply • Use only a utility supply having a maximum of 240 volt, 1 phase, 60Hz,power supply. WARNING: Turn off all power to avoid injury. • The water heater must always be connected to the ground inaccordance with the local codes. • Connect the branch circuit eq...

30 Safety Precautions Do turn off power to water heaterif it has been subjected to overheating, fire, flood, physicaldamage. Do Not turn on water heaterunless it is filled with water. Do Not turn on water heater ifcold water supply shut-off valveis closed. If there is any difficulty inunderstanding ...

31 If adjustment is necessary… Turn off the power to the waterheater. Remove the jacket access panel. Using a small screwdriver, set thethermostat dial pointer to the desired temperature. Replace the jacket access panel.Turn on the power to the waterheater. 55 80 75 70 65 60 50 : EW T1L2S-203 D IFF ...

Anode Rod This water heater is equipped with ananode rod designed to prolong the lifeof the glass lined tank. The anode rodis slowly consumed, therebyeliminating or minimizing corrosion ofthe glass lined tank. Water sometimes contains a highsulfate and/or mineral content andtogether with cathodic pr...

Care and cleaning of the water heater. 33 Vacation and Extended Shut-Down NOTICE: Refer to theHydrogen Gas Cautionin the OperatingInstructions. DANGER: Use extreme care to avoidfalling while on a ladderor the roof. If a roofsection does not appearto be solid under foot, donot subject it to anyadded ...

34 Before You Call For Service… Troubleshooting TipsSave time and money! Review the chart on this pagefirst and you may not need to call for service. Problem Possible Causes What To Do Not enough Hot Water Solar circuit breaker tripped Reset/replace as necessary or fuse blown Safety Thermostat tripp...

Frames Installations using 17.5° “A” Frames This ‘A’-Frame is not for use in areassusceptible to hurricanes. In areassusceptible to hurricanes or very highwinds, a separate set of instructionsand a hurricane frame mounting kit isrequired and available from Rheem.The hurricane frame mounting kit issu...

38 Against Pitch Installations (Tiled Roof) Assemble the stand and then loosely boltthe baseplate to the frame in position. For installations on a roof with a pitchgreater than 20°, a ‘U’ bracket and smallpipe legs should be used on top of thebaseplate. The frame installation proceeds followingthe i...

40 IF YOU NEED SERVICE 1. Should you have any questions about your new water heater, or if itrequires adjustment, repair, or routine maintenance, it is suggested that youfirst contact your installer, plumbing contractor or previously agreed uponservice agency. In the event the firm has moved, or is ...