Rinnai TRW02iN, TRW02eN, TRW02iP, TRW02eP, TRW23iN Installation Manual
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Tankless Rack System (TRS) Installation Manual
Additional information can be obtained from the appliance manual.
Free Standing Rack
(6 water heaters)
WARNING If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death.
—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.
1 |
Rinnai Rack Installation |
Notes
2 |
Rinnai Rack Installation |
Table of Contents |
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Description ............................................................ |
4 |
Venting Options..................................................... |
4 |
TRS Part Nos. and Main Components.................. |
5 |
Specifications ................................................... |
7-18 |
Clearances .......................................................... |
19 |
Hoisting ............................................................... |
20 |
Securing Racks .............................................. |
21-23 |
Relief Valve Piping .............................................. |
24 |
Piping for Multiple Racks..................................... |
24 |
Parallel Piping Drawing ....................................... |
25 |
End caps / Connections....................................... |
26 |
Condensate Drain................................................ |
27 |
Checklist for Plumbing......................................... |
27 |
Installation of Gas Supply.................................... |
28 |
Connecting Electricity .......................................... |
28 |
MSB Installation............................................. |
29-30 |
Final Checklist ..................................................... |
31 |
Replacement Parts ........................................ |
32-33 |
Extended Limited Labor Warranty ................. |
34-35 |
Safety Symbols
This is the safety alert symbol. This symbol alerts you to potential hazards that can kill or hurt you and others.
DANGER
WARNING
CAUTION
Installation
Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided, could result in minor or moderate injury. It may also be used to alert against unsafe practices.
A licensed professional must install the (TRS) Tankless Rack System
The installer should have skills such as
connecting gas lines, water lines, valves, and electricity
knowledge of applicable national, state, and local codes
If you lack these skills, contact a licensed professional.
3 |
Rinnai Rack Installation |
Description
Rinnai Tankless Rack Systems (TRS) include wall mounted and free standing configurations. The wall mounted rack systems are available for 2 or 3 water heaters. Free standing rack systems are available for 2, 3, 4, 5, or 6 water heaters.
The TRS can be ordered with Rinnai’s Common Venting System, which consists of the CVent exhaust venting and PP or PVC intake venting. Up to eight tankless units can share the same CVent system.
The Rinnai TRS features design details that make installation simple and straightforward.
•Maneuverability: Fits, fully assembled, through standard 32-inch doorways and on elevators
•Flexibility: Available in both wall-mount or freestanding design for indoor and outdoor installations.
•Preassembled Gas and water manifolds are properly sized to maintain optimum performance.
•The racks are constructed of powder-coated aluminum, powder coated steel, and stainless to stand up to the most demanding commercial environments, while minimizing weight.
•Optional electronic controls to obtain turn down ratios of up to 327:1 (Sold Separately).
NOTE: The TRS is designed to be used with Rinnai tankless water heaters only. Do not mount non-Rinnai water heaters on the TRS.
Venting Options
Venting Options |
Exhaust Vent |
Intake Vent |
Diameter |
Max. |
Max. Vent Length |
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Natural Gas |
Propane |
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Common Venting System * |
PPtl, PPs |
PVC, PPtl, |
8" |
8 |
100' (with 7 units) or 41’ (with 8 units) |
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Concentric |
PPs |
PVC |
5" |
1 |
65’ |
45’ |
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Twin Pipe PVC/CPVC |
PVC/CPVC |
PVC/CPVC |
4” |
1 |
100’ |
65’ |
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3” |
1 |
65’ |
41’ |
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Dual Pipe* |
PPs |
PPs or PVC |
3" |
1 |
41' |
41 |
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* This venting is provided by Centrotherm through their own distribution network |
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•Refer to the water heater installation and operation manual for specific details regarding vent installation option and installation.
•Venting components are packaged separately from the pre-assembled Rack for field assembly of the vent system by the contractor.
* Only the C199i is certified for both direct vent and exhaust only with room air (exhaust must terminate vertically in room air application) when installed in a commercial common vent application only. Reference Rinnai Common Vent (CVent) Manual for further information.
4 |
Rinnai Rack Installation |
TRS Part Nos. and Main Components
Tankless Rack WALL HANGING
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Part No.* |
Rack type |
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Configuration |
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TRW02iN |
2-unit interior wall hanging rack, NG |
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TRW02eN |
2-unit exterior wall hanging rack, NG |
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TRW02iP |
2-unit interior wall hanging rack, LP |
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TRW02eP |
2-unit exterior wall hanging rack, LP |
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TRW23iN |
2-unit interior wall hanging rack, NG |
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TRW23eN |
2-unit exterior wall hanging rack, NG |
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TRW23iP |
2-unit interior wall hanging rack, LP |
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TRW23eP |
2-unit exterior wall hanging rack, LP |
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TRW03iN |
3-unit interior wall hanging rack, NG |
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TRW03eN |
3-unit exterior wall hanging rack, NG |
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TRW03iP |
3-unit interior wall hanging rack, LP |
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TRW03eP |
3-unit exterior wall hanging rack, LP |
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Tankless Rack INLINE WALL MOUNT |
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Part No.* |
Rack type |
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Configuration |
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Illustration |
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TRS02ILWiN |
2-unit interior wall mount rack, NG |
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TRS02ILWeN |
2-unit exterior wall mount rack, NG |
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TRS02ILWiP |
2-unit interior wall mount rack, LP |
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TRS02ILWeP |
2-unit exterior wall mount rack, LP |
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TRS23ILWiN |
2-unit interior wall mount rack, NG |
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TRS23ILWeN |
2-unit exterior wall mount rack, NG |
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TRS23ILWiP |
2-unit interior wall mount rack, LP |
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TRS23ILWeP |
2-unit exterior wall mount rack, LP |
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TRS03ILWiN |
3-unit interior wall mount rack, NG |
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TRS03ILWeN |
3-unit exterior wall mount rack, NG |
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TRS03ILWiP |
3-unit interior wall mount rack, LP |
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TRS03ILWeP |
3-unit exterior wall mount rack, LP |
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Part no. system:
TR = tankless rack; W = wall hanging;S = stand alone; IL = inline; ILW = Inline Wall Mount; 2/3/4/5/6 = no. of water heaters; i/e = interior/exterior; NG/LP = fuel type
5 |
Rinnai Rack Installation |
TRS Part Nos. and Main Components
Tankless Rack FREESTANDING
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Part No.* |
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Rack type |
Configuration |
Illustration |
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TRS02iN |
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2-unit interior free standing rack, NG |
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Back |
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TRS02eN |
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2-unit exterior free standing rack, NG |
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to |
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TRS02iP |
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2-unit interior free standing rack, LP |
Back |
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TRS02eP |
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2-unit exterior free standing rack, LP |
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TRS02ILiN |
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2-unit INLINE interior free standing rack, NG |
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TRS02ILeN |
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2-unit INLINE exterior free standing rack, NG |
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TRS02ILiP |
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2-unit INLINE interior free standing rack, LP |
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TRS02ILeP |
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2-unit INLINE exterior free standing rack, LP |
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TRS23ILiN |
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2-unit INLINE interior free standing rack, NG |
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TRS23ILeN |
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2-unit INLINE exterior free standing rack, NG |
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TRS23ILiP |
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2-unit INLINE interior free standing rack, LP |
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TRS23ILeP |
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2-unit INLINE exterior free standing rack, LP |
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TRS03ILiN |
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3-unit INLINE interior free standing rack, NG |
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TRS03ILeN |
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3-unit |
INLINE exterior free standing rack, NG |
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TRS03ILiP |
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3-unit |
INLINE interior free standing rack, LP |
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TRS03ILeP |
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3-unit |
INLINE exterior free standing rack, LP |
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TRS03iN |
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3-unit interior free standing rack, NG |
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TRS03eN |
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3-unit exterior free standing rack, NG |
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TRS03iP |
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3-unit interior free standing rack, LP |
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TRS03eP |
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3-unit exterior free standing rack, LP |
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TRS36iN |
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3-unit interior free standing rack, NG |
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TRS36eN |
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3-unit exterior free standing rack, NG |
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TRS36iP |
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3-unit interior free standing rack, LP |
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TRS36eP |
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3-unit exterior free standing rack, LP |
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TRS04iN |
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4-unit interior free standing rack, NG |
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TRS04eN |
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4-unit exterior free standing rack, NG |
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TRS04iP |
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4-unit interior free standing rack, LP |
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TRS04eP |
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4-unit exterior free standing rack, LP |
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TRS46iN |
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4-unit interior free standing rack, NG |
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TRS46eN |
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4-unit exterior free standing rack, NG |
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TRS46iP |
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4-unit interior free standing rack, LP |
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TRS46eP |
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4-unit exterior free standing rack, LP |
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TRS05iN |
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5-unit interior free standing rack, NG |
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TRS05eN |
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5-unit exterior free standing rack, NG |
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TRS05iP |
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5-unit interior free standing rack, LP |
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TRS05eP |
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5-unit exterior free standing rack, LP |
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TRS06iN |
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6-unit interior free standing rack, NG |
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TRS06eN |
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6-unit exterior free standing rack, NG |
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TRS06iP |
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6-unit interior free standing rack, LP |
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TRS06eP |
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6-unit exterior free standing rack, LP |
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Part no. system: |
TR = tankless rack; W = wall hanging; S = stand alone; IL = inline; ILW = Inline Wall Mount; 2/3/4/5/6 = no. of water |
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heaters; i/e = interior/exterior; NG/LP = fuel type |
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6 |
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Rinnai Rack Installation |
|
Specifications
2 UNIT WALL HANGING FRAME
LEFT FRONT BACK
44.00
20.50
7.76
5.92 TYP.
56.82
12.88HOT (2”COPPER)
7.88COLD (2”COPPER)
3.00GAS (1-1/4”NPT)
36.00
BOTTOM
Model |
Configuration |
Illustration |
||
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TRW02
7 |
Rinnai Rack Installation |
Specifications
2 UNIT WALL HANGING FRAME
|
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Model |
|
TRW02i |
|
TRW02e |
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Water Heater Model |
|
RUC98i, C199i (NG/LP) |
|
RU98e, C199e (NG/LP) |
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|
Crate Dimensions (HxLxD) - in |
|
|
62 x 55 x 36 |
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|
Weight - Fully Assembled - lbs |
166 |
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165 |
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|
Weight - Shipping (total) - lbs |
380 |
|
379 |
|
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|
Rack Frame - Specifications |
|
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||
Frame Material |
14 Gauge Hot Rolled Steel 1.5” Square |
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||
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Tube |
|
16 Gauge Stainless Steel 1.5” Square Tube |
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Frame Finish |
|
Powder Coat |
|
Stainless |
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Color |
|
Gray |
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Stainless |
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Water & Gas Connections |
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Hot Water Trunk Line Diameter |
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2" |
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Cold Water Trunk Line Diameter |
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2" |
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Hot Water Trunk Line Material |
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Rigid Copper |
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Cold Water Trunk Line Material |
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|
Rigid Copper |
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Water Trunk Connection Type |
|
|
2" PIPE |
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Gas Trunk Line Diameter |
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|
1-1/4" |
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Gas Trunk Connection Type |
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|
1-1/4” MNPT |
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Gas Trunk Line Material |
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|
Sch 40 Steel |
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Gas Branch Line Material |
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|
PVC Over CSST |
|
|
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Electric Requirements |
|
|
|
|
|
|
|
|
|
Voltage |
|
|
AC 120 Volts—60 Hz |
|
|
|
|
|
|
Maximum Current (Amperes) |
|
|
8 |
|
BTU and Flow Rates for RU98i, RUC98i, C199i, RU98e, C199e (NG/LP) |
||||
|
|
|||
Number of Tankless Water Heaters |
|
2 |
||
|
|
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|
Flow rate @ 70°F rise (gpm) |
|
|
10.8 |
|
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|
Flow rate @ 100°F rise (gpm) |
|
|
7.6 |
|
|
|
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|
|
Minimum input rate (Btuh) |
|
|
15,200 |
|
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Maximum input rate (Btuh) |
|
|
398,000 |
|
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|
TRW02
8 |
Rinnai Rack Installation |
Specifications
3 UNIT WALL HANGING FRAME
LEFT |
FRONT |
BACK |
||||||
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62.00 |
|
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41.00 |
|
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||
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||
7.76 |
|
|
|
|
5.92 TYP. |
|
|
|
56.82
12.88HOT (2”COPPER)
7.88COLD (2”COPPER) 3.00 GAS (1-1/4”NPT)
54.50
BOTTOM
Model |
Configuration |
Illustration |
||
|
|
|
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|
TRW03
TRW23
9 |
Rinnai Rack Installation |
Specifications
3 UNIT WALL HANGING FRAME
Model |
TRW03i |
TRW03e |
TRW23i |
|
TRW23e |
|
|
|
|
|
|
Water Heater Model |
RU98i, RUC98i, |
RU98e, C199e |
RU98i, RUC98i, |
|
RU98e, C199e |
C199i (NG/LP) |
(NG/LP) |
C199i (NG/LP) |
|
(NG/LP) |
|
|
|
||||
|
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|
|
|
|
Crate Dimensions (HxLxD) - in |
62 x 75 x 36 |
62 x 75 x 36 |
|||
|
|
|
|
|
|
Weight - Fully Assembled - lbs |
244 |
240 |
182 |
|
179 |
|
|
|
|
|
|
Weight - Shipping (total) - lbs |
458 |
454 |
396 |
|
393 |
|
|
|
|
|
|
Rack Frame - Specifications |
|
|
|
|
|
|
|
|
|
|
|
|
14 Gauge Hot Rolled |
16 Gauge |
14 Gauge Hot |
16 Gauge |
|
Frame Material |
Steel 1.5” Square |
Stainless Steel |
Rolled Steel 1.5” |
Stainless Steel |
|
|
Tube |
1.5” Square Tube |
Square Tube |
1.5” Square Tube |
|
|
|
|
|
|
|
Frame Finish |
Powder Coat |
Stainless |
Powder Coat |
Stainless |
|
|
|
|
|
|
|
Color |
Gray |
Stainless |
Gray |
Stainless |
|
|
|
|
|
|
|
Water & Gas Connections
Hot Water Trunk Line Diameter |
|
2" |
|
|
|
|
|
|
|
Cold Water Trunk Line Diameter |
|
2" |
|
|
|
|
|
|
|
Hot Water Trunk Line Material |
|
Rigid Copper |
||
|
|
|
|
|
Cold Water Trunk Line Material |
|
Rigid Copper |
||
|
|
|
|
|
Water Trunk Connection Type |
|
2" PIPE |
||
|
|
|
|
|
Gas Trunk Line Diameter |
|
1-1/4" |
|
|
|
|
|
|
|
Gas Trunk Connection Type |
|
1-1/4” MNPT |
||
|
|
|
|
|
Gas Trunk Line Material |
|
Sch 40 Steel |
||
|
|
|
|
|
Gas Branch Line Material |
|
PVC Over CSST |
||
|
|
|
|
|
Electric Requirements |
|
|
|
|
|
|
|
|
|
Voltage |
|
AC 120 Volts—60 Hz |
||
|
|
|
|
|
Maximum Current (Amperes) |
12 |
|
8 |
|
|
|
|
|
|
BTU and Flow Rates for RU98i, RUC98i, C199i, RU98e, C199e (NG/LP) |
|
|||
|
|
|
|
|
Number of Tankless Water Heaters |
3 |
|
2 |
|
|
|
|
|
|
Flow rate @ 70°F rise (gpm) |
16.2 |
|
10.8 |
|
|
|
|
|
|
Flow rate @ 100°F rise (gpm) |
11.4 |
|
7.6 |
|
|
|
|
|
|
Minimum input rate (Btuh) |
15,200 |
|
15,200 |
|
|
|
|
|
|
Maximum input rate (Btuh) |
597,000 |
|
398,000 |
|
|
|
|
|
|
TRW03 |
TRW23 |
10 |
Rinnai Rack Installation |
Specifications
2 UNIT WALL MOUNT FRAME
LEFT FRONT BACK
|
|
44.00 |
|
|
|
|
|
|
|
13.14 |
|
|
|
|
|
20.50 |
|
|
|
|
5.92 |
|||
|
|
|
|
|
|
|
|
||
|
|
|
|
TYP |
|
|
|
|
|
1.00
57.69
27.44
2.00
4.50 GAS (1-1/4”NPT)
38.53
9.38 COLD (2”COPPER)
34.53
14.38 HOT (2”COPPER)
16.78 18.00
BOTTOM
Model |
Configuration |
Illustration |
||
|
|
|
|
|
|
|
|
|
|
TRW02
11 |
Rinnai Rack Installation |
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