Installation Manual
Rinnai Tankless Rack System (TRS) Installation Manual 27
Model TRS04CU TRS03CU TRS02CU TRS02ILCU
Water Heater Model
CU199i, CU199e (NG/LP)
Crate Dimensions (HxLxD) - in 66 x 70 x 35
Weight - Fully Assembled - lbs 365 290 214 214
Weight - Shipping (total) - lbs 562 490 416 416
BTU and Flow Rates for CU199i, CU199e (NG/LP)
Number of Tankless Water Heaters
4 3 2
Flow rate @ 70°F rise (gpm) 21.6 16.2 10.8
Flow rate @ 100°F rise (gpm) 15.2 11.4 7.6
Minimum input rate (Btuh) 15,200
Maximum input rate (Btuh) 796,000 597,000 398,000
TRS04CU
TRS03CU
TRS02CU
TRS02ILCU
Rack Frame - Specifications
Frame Rail Type Sheet Metal
Frame Material Aluminum (0.090 5052-H32)
Frame Finish Powder Coat
Color Gray
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 Trunk Branch Line Material PVC Over CSST
Condensate Trunk Line Diameter 3/4” N/A
Condensate Trunk Material Sch-40 PVC N/A
Condensate Trunk Connection Type 3/4” Pipe N/A
Electric Requirements
Prewired Electrical Assembly Yes (Indoor Models Only)
N/A
Voltage AC 120 Volts - 60 Hz
Maximum Current (Amperes) 16 12 8
4-Unit Free-Standing Frame (Connued)