Rinnai REU-VB2528WD-US User Manual
RL75e (VB2528WD-US)
Type of Appliance
Rinnai Model Number
Minimum/Maximum Gas Rate (Input)
Electrical
Electrical Consumption
Ignition System
Hot Water Capacity
Temperature
Temperature (without remote)
Installation
Energy Factor
• Temperature controlled, continuous flow, gas hot water system
• Certified for installation in manufactured (mobile) homes
• Forced comb ustion
• Energy Star qualified
REU-VB2528WD-US
9,900 - 180,000 BTU/h (Natural Gas)
10,300 - 180,000 BTU/h (Propane)
Appliance: AC 120 Volts - 60 Hz
Controller: DC 12 Volts
Normal: 44 w Standby: 2 w Anti-frost protection: 104 w
Direct electronic ignition
Minimum flow rate: 0.26 GPM
Minimum activation flow rate: 0.4 GPM
Maximum flow rate: 7.5 GPM
98° - 120° F (factory default) Maximum temperature is selectable at
120° F or at 140° F; 98° - 160° F available with the MCC-91
controller for commercial and hydronic applications
120° F (factory default) or 140° F
Outdoor only
Natural Gas: 0.82 Propane: 0.82
Service Connections
Isolation & Pressure Relief Valves Included
Water Flow Control
Minimum/Maximum Water Supply Pressure
FLOW TABLE
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
Water Flow (gpm)
0.0
0 25 50 75 100 125 150
Gas supply: 3/4 inch MNPT Cold water inlet: 3/4 inch MNPT
Hot water outlet: 3/4 inch MNPT
Heavy duty forged brass Webstone Isolator valves EXP E2, certified
to NSF/ANSI 61-8 for potable water
Water flow sensor, electronic water control device and fixed by-pass
20 - 150 PSI (recommended 30-80 PSI for maximum performance)
© 2011 Rinnai Corporation
delta T - Temperature Rise (ºF)
RL75e VB SP 1/2011
RL75e (VB2528WD-US)
K
Water Temperature Control
Controller
Controller Cable
Safety Devices
Clearances from Combustibles
Clearances from Non-combustibles
* 24 inches required for serviceability
Min. / Max. Gas Supply Pressure
Manifold Gas Pressure (inches W.C.)
(sea level)
NOx
Warranty
Simulation feed forward and feedback
MC-91-1US (included)
Deluxe controller: MC-100V-1US (optional)
Bathroom controller: BC-100V-1US (optional)
MCC-91-1US (for commercial applications)
Non-polarized two-core cable, minimum 22 AWG
• Flame failure - Flame Rod
• Boiling protection
• Combustion fan rpm check
• Over current - glass fuse
• Top of heater - 12 inches
• Front (Panel) - 24 inches
• Front (Exhaust) - 24 inches
• Top of heater - 2 inches
• Front (Panel) - 0 inches *
• Front (Exhaust) - 24 inches
• Remaining flame (OHS)
• Thermal fuse
• Automatic frost protection
• Back of heater - 0 inches
• Ground / bottom - 12 inches
• Sides of heater - 6 inches
• Back of heater - 0 inches
• Ground / bottom - 2 inches
• Sides of heater - 1/8 inch
Natural Gas: min 5” W.C. max 10.5” W.C.
Propane Gas: min 8” W.C. max 13.5” W.C.
Natural Gas: high fire 2.3” W.C. low fire 0.44” W.C.
Propane Gas: high fire 4.2” W.C. low fire 0.93” W.C.
Meets California and Texas NOx Emission Rules
Heat exchanger: 12 years* for residential and 5 years* for
commercial and hydronic applications; (10 years* if used with the
Rinnai Hydronic Furnace); all other parts 5 years*; labor 1 year; (* 3
years if used as a circulating water heater within a circulation loop,
when the water heater is in series with a circulation system and all
circulating water flows through the water heater)
Rinnai is continually updating and improving products; therefore, specifications are subject to change without prior
notice. Local, state, provincial and federal codes must be adhered to prior to installation.
DIMENSIONS
A
B
WEIGHT: 51 LBS (23 KG)
CD
E
H
F
Rinnai Corporation • 103 International Drive • Peachtree City, GA 30269 • Toll-Free: 1-800-621-9419 • Fax: 678-364-8643 • www.rinnai.us
GJI
DIM DESCRIPTION in (mm)
A Width 14 (355.6)
B Depth 9.9 (251.1)
C Height - Unit 22.9 (582)
D Distance between mounting
holes
E Hot Water Outlet - from wall 3.8 (97.6)
F Hot Water Outlet - from center 4.3 (110)
G Cold Water Inlet - from wall 3.0 (76.6)
H Cold Water Inlet - from center 1.1 (27)
I Gas Connection - from wall 4.2 (105.6)
J Gas Connection - from center 3.5 (89)
From base to gas connection 1.6 (40)
K From base to cold connection 2.0 (50)
From base to hot connection 1.6 (41)
25.0 (634.2)
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