A.O. Smith ATI-110-P Technical Documents

A.O. Smith
Brand
A.O. Smith
Model
ATI-110-P
Category
Water heaters & boilers
Type
Technical Documents
Residential Gas Tankless
Water Heaters
Fully modulating, gas fired, tankless water heater convertible to sealed
combustion with power-vented flue. Supplies hot water to domestic hot
water systems (directly or indirectly).
FEATURES
CONTINUOUS MAXIMUM FLOW RATES UP TO 6.6 GPM
ENERGY STAR
®
QUALIFIED
MODELS INCLUDE REMOTE CONTROL AND POWER CORD
AS STANDARD FEATURES
AVAILABLE FOR NATURAL GAS OR PROPANE
SAFETY FEATURES:
Built in Freeze Protection
Manual Reset Hi Limit (Set at 194°F)
Overheat Cutoff Fuse
Inlet and Outlet Thermistors for Constant Temperature Monitoring
Flue Backdraft Pressure Switch
GFI Power Supply Connection
Flame Sensor
VENTING AND COMBUSTION
4” Category III Stainless Steel
Vertical or Horizontal Installation
50’ Max Length, 5 elbows max (90° elbows = 5’ equivalent length)
Power Vent
Electronic Ignition - No Pilot Light
3” Combustion Air Intake (with optional kit)
OPTIONAL ACCESSORIES
Complete line of Stainless Steel Venting
Pipe Cover
Direct Vent Conversion Kit
Isolation Valve Kits
Concentric Vent Kits
Isolation Valve Kit (includes Pressure Relief Valve)
WARRANTY
15-year limited warranty on heat exchanger in residential applications
5-year warranty on all parts
ATI-110-N
ATI-110-P
Page 1 of 2
May 2013
CANRG46815
TANKLESS RESIDENTIAL MODELS
ANSI Z21.10.3
CSA 4.3
Residential Gas Tankless
Water Heaters
May 2013 Page 2 of 2
www.hotwatercanada.ca CANRG46815
For Technical Information call 1-888-479-8324. A. O. Smith Corporation reserves the right to make product changes or improvements without prior notice.
TANKLESS RESIDENTIAL MODELS
All dimensions are in inches.
15-150 psi water pressure. 40 psi or above recommended for maximum flow.
* Category III required
**Current numbers based on factory testing, 0.4 GPM required for continuous fire after initial ignition.
Pressure only relief valve requires (Min. 200,000 BTUs. 150 PSI).
MODEL
NUMBER
FUEL
TYPE
GAS
CONSUMPTION
INPUT
ENERGY
FACTOR
(EF)
INLET GAS
PRESSURE
MAX
GPM**
DIMENSIONS
IN INCHES
VOLT AMP FLUE*
INTAKE
(OPTIONAL)
HOT/
COLD/
GAS
CONN.
APPROX.
SHIPPING
WEIGHT
(LBS)
MIN.
BTU/H
MAX.
BTU/H
MIN.
W.C.
MAX.
W.C.
HEIGHT WIDTH DEPTH
ATI-110-N Natural 19,500 140,000
0.82 5.0 10.5 6.6 20-1/4 13-3/4 7-3/4 120 0.61 4” O.D. 3.0” O.D. 3/4” NPT 38
ATI-110-P Propane 19,500 140,000
0.83 8.0 14.0 6.6 20-1/4 13-3/4 7-3/4 120 0.61 4” O.D. 3.0” O.D. 3/4” NPT 38
Pressure Loss
Head
Feet
Pressure
Loss (psi)
13-3/4" (350mm)
10" (254mm)
2-1/4" (56mm)
21-3/8" (544mm)
20-1/4" (520mm)
1-3/4" (45mm)
1-3/4
"
(45mm)
1-7/8" (47mm)
COLD 3-1/8" (79mm)
HO T5-1/4" (133mm)
120V 1-3/8" (36mm)
GAS 4-7/8" (124mm)
Ø 3-9/8" (101 mm)
4" (102mm)
2-1/4" (57mm)
2-1/4" (56 mm) COLD
3-7/8" (98mm) GAS
4-7/8" (124mm) HOT
1" (26mm)
4-7/8" (123mm) 120V
7-3/4" (196mm)
DIMENSIONS
CLEARANCES: Top 12”, Bottom 12”, Front 24”, Back 1”, Sides 2”
0
1
2
3
4
5
6
7
0 20 40 60 80 100 120 140
Flow Rate (GPM)
Temperature Rise (°F)
Comparison of Flow Rates vs. Temperature Rise
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A.O. Smith ATI-110-P Technical Documents

A.O. Smith
Brand
A.O. Smith
Model
ATI-110-P
Category
Water heaters & boilers
Type
Technical Documents
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