RL75e Spec Sheet

1
Minimum ow may vary slightly depending on the temperature seng and the inlet water temperature.
Minimum acvaon ow is 0.4 GPM (1.5 L/min).
2
The maximum gas supply pressure must not exceed the value specied by the manufacturer.
* Clearance for servicing is 24 in. (610 mm) in front of water heater
SPECIFICATION RL75e
Dimensions - w, h, d 14.04 in. x 22.95 in. x 9.27 in. (356.6 mm x 583 mm x 235.5 mm)
Minimum Gas
Consumpon Btu/h
10,300
Maximum Gas
Consumpon Btu/h
180,000
Flow Rate
1
(Min - Max) 0.26 - 7.5 GPM (1.0 - 28.4 L/min)
Weight 43.6 lbs. (19.8 kg.)
Sound Level 55 dB
Normal 57 W
Standby 2 W
Freeze Protecon 104 W
Max With Pump 8 Amps
Max without Pump 4 Amps
Fuse 10 Amps
Temperature (with
remote)
98° - 120° F (37°C - 49°C) (factory default)
98° - 160° F (37° - 71° C) available with the MCC-91-2 controller for
commercial and hydronic applicaons
Temperature (without
remote)
120° F (49°C) (factory default) or 140° F (60°C)
Gas Supply Pressure
2
• Natural: 4 in. w.c. - 10.5 in. w.c. (10 mbar – 26.1 mbar)
• Propane: 8 in. w.c. - 13.5 in. w.c. (20 mbar – 33.6 mbar)
Ignion System Direct Electronic Ignion
Electronic Connecons
• Appliance: AC 120 Volts, 60Hz.
• Temperature Controller: DC 12 Volts (Digital)
Water Supply Pressure
• Minimum: 20 PSI (Recommended 30-80 PSI for max performance)
• Maximum: 150 PSI
Controller Cable Non-Polarized Two Core Cable (Minimum 22 AWG)
Service Connecons
• Gas Supply: 3/4 in. (19 mm) NPT
• Cold Water Inlet: 3/4 in. (19 mm) NPT
• Hot Water Outlet: 3/4 in. (19 mm) NPT
Clearances from
Combusbles
Clearances from
Non-Combusbles
Electrical
• Top: 12 in. (305 mm)
• Boom/Ground: 12 in. (305 mm)
• Front (Panel): 24 in. (610 mm)
• Back: 0 in.
• Sides: 6 in. (152 mm)
• Front (Exhaust): 24 in. (610 mm)
• Top: 2 in. (51 mm)
• Boom/Ground: 2 in. (51 mm)
• Front (Panel): 24 in. (610 mm)
• Back: 0 in.
• Sides: 1/8 in. (3.2 mm)
• Front (Exhaust): 0 in.*
in. (mm)
BOTTOM
SIDE
FRONT
9.27 (235.5)
22.95 (583)
A
0.28 (7.2)
0.59 (15)
14.04 (356.6)
1.14 (29)
2.23 (56.6)
8.90 (226)
B
C
D
E
F
G
DIMENSION Inches (mm) DIMENSION Inches (mm)
A (GAS) 1.31 (33.2) D 4.33 (110)
A (COLD) 1.93 (49) E 2.91 (73.8)
A (HOT) 1.35 (34.4) F 1.61 (40.8)
B 3.96 (100.7) G 2.87 (73)
C 1.17 (29.8)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
0 25 50 75 100 125 150
DT – Temperature Rise (°F)
Hot Water Flow Rate (gpm)
Delta T - Temperature Rise (°F)
Water Flow GPM (L/min)
0 25(13.9) 50(27.8) 75(41.6) 100(55.6) 125(69.4) 150(83.3)
6.0 (22.7)
1.0 (3.8)
2.0 (7.6)
3.0 (11.4)
0.0
5.0 (19.0)
4.0 (15.1)
7.0 (26.5)
8.0 (30.3)
Gas
Connecon
Hot Water
Outlet
Cold Water Outlet