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WALLHANGING
CU Series SE+ Series with ThermaCirc360®
Rack Model Number
TRW02CU TRW03CU TRW02ST TRW03ST
Tankless Model Number
CU199 RUR 199 and RU199
Thermal Eciency (TE)
Ratings not certified by AHRI /
Uniform Energy Factor (UEF) AHRI Certified
97% TE / .93 UEF 0.93 UEF
Number of Tankless Units
2 3 2 3
Max Input (BTU/h)
398,000 597,000 398,000 597,000
Min Input (BTU/h)*
15,200
Shipping Dimensions - w x h x d inches (mm)
70 x 66 x 35 (1,778 x 1,676 x 889)
Product Dimensions - w x h x d inches (mm)
44 x 54.8 x 14.1
(1,117 x 1,392 x 358)
65 x 54.8 x 14.1
(1,651 x 1,392 x 358)
44 x 58 x 14.1
(1,117 x 1,473 x 358)
65 x 58 x 14.1
(1,651 x 1,473 x 358)
Shipping Weight (lbs/kg)
380/172 469/213 399/181 476/216
Fully Assembled Weight (lbs/kg)
170/77 248/112 178/81 258/117
Gas Manifold (dia.) (in./mm)
1-1/4"/32mm 1-1/4"/32mm 1-1/4"/32mm 1-1/4"/32mm
Water Manifold (dia.) (in./mm)
2"/51mm 2"/51mm 2"/51mm 2"/51mm
Flow Rate @ 70° F
∆
T (GPM/GPH)
†
10.8/648 16.2/972 10.8/648 16.2/972
Flow Rate @ 100° F
∆
T (GPM/GPH)
†
7.6/456 11.4/684 7.6/456 11.4/684
Max. Current (Amperes)
8 12 8 12
Electrical Requirements
Ac 120 Volts - 60 Hz Ac 120 Volts - 60 Hz
Frame Material
14 Gauge Hot Rolled Steel-Indoor/
Stainless-Exterior
14 Gauge Hot Rolled Steel-Indoor/
Stailess-Exterior
Water Manifold Material
Rigid Copper Rigid Copper
Water Branch Line (dia.)
3/4" 3/4"
Gas Manifold Material
Sch 40 Steel Sch 40 Steel
Gas Branch Line Material
PVC over CSST PVC over CSST
Warranty - Commercial**
Heat Exchanger: 8 yrs or 12,000 operation hours, whichever occurs first, All other parts: 5 yrs, Reasonable Labor: 1 yr
Warranty - Residential**
Heat Exchanger: 15 yrs or 12,000 operation hours, whichever occurs first, All other parts: 5 yrs, Reasonable Labor: 1 yr
High Alt. Approval
Yes Yes
PVC/CPVC
Yes Yes
Common Vent (Vertical, Horizontal and Side Wall Intake
Vertical Exhaust)
Yes Yes
Room Air Common Vent (Vertical Exhaust)
Yes Yes
Room Air Common Vent (Horizontal Exhaust)
Yes Yes
CU199 Certifications
CSA No
Wi-Fi Capable
Yes Yes
Pre-Wired Power Outlet & Junction Box***
No No
NO DESCRIPTION NO DESCRIPTION
1 Lifting Eyebolt 6 Manifold, Hot Water
2 Rinnai Tankless Indoor or Outdoor Unit 7 Manifold, Cold Water
3
3/4" Dirt Leg 8 Manifold, Gas
4
3/4" FNPT Brass Ball Valve – Gas 9 Pre-Assembled Condensate Drain
5 Pressure Relief Valve (PRV) 10 Pre-Wired Power Junction Box
FREESTANDING, INLINE FREESTANDING, BACK TO BACK
Rack Model Number
TRS02ILCU TRS03ILCU TRS03CU TRS04CU TRS05CU TRS06CU
Tankless Model Number
CU199
Thermal Eciency (TE)
Ratings not certified by AHRI /
Uniform Energy Factor (UEF) AHRI Certified
97% TE / .93 UEF
Number of Tankless Units
2 3 3 4 5 6
Max Input (BTU/h)
398,000 597,000 597,000 796,000 995,000 1,194,000
Min Input (BTU/h)*
15,200
Shipping Dimensions - w x h x d inches (mm)
70 x 66 x 35 (1,778 x 1,676 x 889) 70 x 66 x 35 (1,778 x 1,676 x 889)
Product Dimensions - w x h x d inches (mm)
47 x 55.6 x 31.1
(1,194 x 1,412 x 790)
65 x 55.6 x 19.3
(1,651 x 1,412 x 490)
47 x 55.6 x 31.1
(1,194 x 1,412 x 790)
47 x 55.6 x 31.1
(1,194 x 1,412 x 790)
65 x 55.6 x 31.1
(1,651 x 1,412 x 790)
65 x 55.6 x 31.1
(1,651 x 1,412 x 790)
Shipping Weight (lbs/kg)
416/189 497/225 490/222 562/454 658/298 731/332
Fully Assembled Weight (lbs/kg)
214/97 297/135 290/132 362/164 462/209 538/244
Gas Manifold (dia.) (in./mm)
1-1/4"/32mm 1-1/4"/32mm 1-1/4"/32mm 1-1/4"/32mm 1-1/2"/38mm 1-1/2"/38mm
Water Manifold (dia.) (in./mm)
2"/51mm 2"/51mm 2"/51mm 2"/51mm 2 1/2"/63mm 2 1/2"/63mm
Flow Rate @ 70° F
∆
T (GPM/GPH)
†
10.8/648 16.2/972 16.2/972 21.6/1,296 27/1,620 32.4/1,944
Flow Rate @ 100° F
∆
T (GPM/GPH)
†
7.6/456 11.4/684 11.4/684 15.1/906 19/1,140 22.8/1,368
Max. Current (Amperes)
8 12 12 16 20 24
Electrical Requirements
Ac 120 Volts - 60 Hz
Frame Material
Aluminum
Water Manifold Material
Rigid Copper
Water Branch Line (dia.)
3/4"
Gas Manifold Material
Sch 40 Steel
Gas Branch Line Material
PVC over CSST
Warranty - Commercial**
Heat Exchanger: 8 yrs or 12,000 operation hours, whichever occurs first, All other parts: 5 yrs, Reasonable Labor: 1 yr
Warranty - Residential**
Heat Exchanger: 15 yrs or 12,000 operation hours, whichever occurs first, All other parts: 5 yrs, Reasonable Labor: 1 yr
High Alt. Approval
Yes
PVC/CPVC
Yes
Common Vent (Vertical, Horizontal and Side
Wall Intake Vertical Exhaust)
Yes
Room Air Common Vent (Vertical Exhaust)
Yes
Room Air Common Vent (Horizontal Exhaust)
Yes
CU199 Certifications
CSA
Wi-Fi Capable
Yes
Pre-Wired Power Outlet & Junction Box***
No
FREESTANDING RACK
For Demonstration
Purposes Only.
* When using cascade controller
(REU-MSB)
** For complete information and details
regarding Rinnai’s warranty, visit
rinnai.us.
*** Pre-Wired Power Outlet and
Junction Box is integrated on
interior units only.
TANKLESS RACK SYSTEM™ CONFIGURATIONS
FREESTANDING RACKS
1
9
4
5
2
10
3
6
7
8
Learn more at rinnai.us
27
SPECIFICATIONS