Rinnai R94LSI User Manual
R94LSi (VB2735FFUD-US)
Type of Appliance
Rinnai Model Number
Operation / Exhaust System
Minimum/Maximum Gas Rate (Input)
Electrical
Electrical Consumption
Ignition System
Hot Water Capacity
Temperature
Temperature (without remote)
Approved Gas Types
Temperature controlled, continuous flow, gas hot water system;
certified for installation in manufactured (mobile) homes
REU-VB2735FFUD-US
Forced combustion / Direct vent
9,900 - 199,000 BTU/h (Natural Gas)
10,300 - 190,000 BTU/h (Propane)
Appliance: AC 120 Volts - 60 Hz
Controller: DC 12 Volts
Normal 83 watts
Standby 2 watts
Anti-frost protection 184 watts
Direct electronic ignition
Minimum flow rate: 0.26 GPM
Minimum activation flow rate: 0.4 GPM
Maximum flow rate: 9.4 GPM (30° F rise)
98° - 120° F (factory default) Maximum temperature is selectable at
120° F or at 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 at location)
Installation
Energy Factor
Thermal Efficiency
Service Connections
Water Flow Control
Minimum/Maximum Water Supply Pressure
FLOW TABLE
10.0
9.0
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
delta T - Temperature Rise (ºF)
Indoor only
Natural Gas: 0.82 Propane: 0.82
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 device and fixed by-pass
20 - 150 PSI (recommended 30-80 PSI for maximum performance)
© 2010 Rinnai Corporation
R94LSi VB SP 8/2010
R94LSi (VB2735FFUD-US)
A
Water Temperature Control
Controller
Controller Cable
Safety Devices
Clearances from Combustibles
(suitable for closet, attic, and
crawl space installations)
Clearances from Non-combustibles
Min. / Max. Gas Supply Pressure
(sea level)
Manifold Gas Pressure (inches W.C.)
NOx
Warranty
Simulation feed forward and feedback
MC-91-1US (part of the front panel)
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 (3 amp)
• Top of heater - 6 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 inch
• Remaining flame (OHS)
• Thermal fuse
• Automatic frost protection
• Back of heater - 0 inches
• Ground / bottom - 12 inches
• From vent pipe - 0 inches
• Back of heater - 0 inches
• Ground / bottom - 12 inches
• From vent pipe - 0 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 3.4” W.C. low fire 0.55” W.C.
Propane Gas: high fire 5.4” W.C. low fire 0.96” 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)
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
B
WEIGHT: 53 LBS (24 KG)
C D
E
H
J
F
The wall bracket is adjustable to allow
an additional 1.57 inches (40 mm).
Rinnai Corporation • 103 International Drive • Peachtree City, GA 30269 • Toll-Free: 1-800-621-9419 • Fax: 678-364-8643 • www.rinnai.us
I
G
DIM DESCRIPTION R75LSi
A Width 14 (355.6)
B Depth * 9.6 (244.5)
C Height - Unit 22.9 (582)
D Height - with brackets 25.5 (648.2)
E Hot Water Outlet - from wall * 3.6 (91)
F Hot Water Outlet - from center 4.3 (110)
G Cold Water Inlet - from wall * 2.8 (70)
H Cold Water Inlet - from center 1.1 (27)
I Gas Connection - from wall * 3.9 (99)
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)
K
From base to hot connection 1.6 (41)
in (mm)
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