Rinnai REU-VA3237W User Manual
R98LSe (VA3237W)
Type of Appliance
Rinnai model number
Operation / Installation
Minimum/Maximum Gas Rate (Input)
Electrical
Electrical Consumption
Ignition System
Hot Water Capacity
Temperature
Temperature (without remote)
Approved Gas Types
Thermal Efficiency
Service Connections
Water Flow Control
Temperature controlled, continuous flow, gas hot water system
REU-VA3237W
Forced combustion; outdoor only
19,000 - 237,000 BTU/h (Natural Gas or Propane)
Appliance: AC 120 Volts - 60 Hz
Controller: DC 12 Volts
Normal 99 watts
Standby 2 watts
Anti-frost protection 116 watts
Direct electronic ignition
0.6 to 7.9 GPM (50° F rise) 0.9 to 9.8 GPM (35° F rise)
98° - 140° F (98° - 185° F available with the MCC-91 controller for
commercial and hydronic applications)
120° F (factory default)
Natural or Propane (ensure unit matches gas type)
Natural Gas: 83% Propane: 83%
Gas supply: 3/4 inch MNPT
Cold water inlet: 3/4 inch MNPT
Hot water outlet: 3/4 inch MNPT
Water flow sensor, electronic water control and by-pass control
Minimum/Maximum Water Supply Pressure
FLOW TABLE
10
9
8
Water Flow Capacity Curve
7
6
5
4
3
2
1
Water Flow Rate (GPM
0
0255075100 125 1 50
© 2008 Rinnai Corporation
R98LSe SP 5/2008
15 - 150 PSI (50 PSI or above is recommended for maximum flow)
delta T -T em p erature Rise(F)
R98LSe (VA3237W)
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.)
NOx
Warranty
Simulation feed forward and feedback
MC-91-1US (included)
Deluxe controller: MC-100V-1US (optional)
Bathroom controller: BC-100V-1US (optional)
Wireless controller: MC-502RC-1US-MS (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 (3 amp)
• 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
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 2.8” W.C. low fire 0.65” W.C.
Propane Gas: high fire 3.8” W.C. low fire 0.80” 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 Air Handler); 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)
• Remaining flame (OHS)
• Thermal fuse
• Automatic frost protection
• Back of heater - 0 inches
• Bottom of heater - 12 inches
• Sides of heater - 6 inches
• Back of heater - 0 inches
• Bottom of heater - 2 inches
• Sides of heater - 1/8 inch
98° - 140° F
98° - 185° F
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
Rinnai Corporation • 103 International Drive • Peachtree City, GA 30269 • Toll-Free: 1-800-621-9419 • Fax: 678-829-1666 • www.rinnai.us
WEIGHT: 55 LBS
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