Rinnai R98LSI-ASME User Manual
R98LSiASME (VA3237FFU-ASME)
R
Type of Appliance
Rinnai model number
Operation / Installation
Exhaust system
Minimum/Maximum Gas Rate (Input)
Electrical
Electrical Consumption
Ignition System
Hot Water Capacity
Temperature
Temperature (without remote)
This model has been built in accordance with the requirements of
the ASME Boiler and Pressure Vessel Code and has received the
Certificate of Authorization from the National Board. The heat
exchanger has the NB and the HLW stamps.
Temperature controlled, continuous flow, gas hot water system
REU-VA3237FFU-ASME
Forced combustion / Indoor only
Direct vent
19,000 - 237,000 BTU/h (Natural Gas or Propane)
Appliance: AC 120 Volts - 60 Hz
Remote Control: 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)
Approved Gas Types
Thermal Efficiency
Service Connections
Water Flow Control
Minimum/Maximum Water Supply Pressure
FLOW TABLE
10
9
Water Flow
Capacity Curve
8
7
6
5
4
3
2
Water Flow (gpm)
1
Water Flow Rate (GPM
0
0255075100 125 1 50
Natural or Propane (ensure unit matches gas type)
Natural Gas: 84% Propane: 84%
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
15 - 150 PSI (50 PSI or above is recommended for maximum flow)
© 2010 Rinnai Corporation
delta T - Temperature Rise (ºF)
delta T -T em p erature Rise(F)
R98LSiASME SP 4/2010
R98LSiASME (VA3237FFU-ASME)
Water Temperature Control
Controller
Controller Cable
Safety Devices
Clearances from Combustibles
* 24 inches required for serviceability
** see manual for details
Clearances from Non-combustibles
* 24 inches required for serviceability
Min. / Max. Gas Supply Pressure
Manifold Gas Pressure (inches W.C.)
NOx
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 of heater - 6 inches *
• Sides of heater - 2 inches
• Top of heater - 2 inches
• Front of heater - 6 inches *
• Sides of heater - 1/2 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 3.0” W.C. low fire 0.67” W.C.
Propane Gas: high fire 3.7” W.C. low fire 0.83” W.C.
Meets California and Texas NOx Emission Rules
• Remaining flame (OHS)
• Thermal fuse
• Automatic frost protection
• Back of heater - 0 inches
• Bottom of heater - 12 inches
• From vent pipe - 4 inches **
• Back of heater - 0 inches
• Bottom of heater - 2 inches
• From vent pipe - 0 inches
98° - 140° F
98° - 185° F
Warranty
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
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)
WEIGHT: 55 LBS
Rinnai Corporation • 103 International Drive • Peachtree City, GA 30269 • Toll-Free: 1-800-621-9419 • Fax: 678-364-8643 • www.rinnai.us
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