A.O. Smith ACGSS00305 User Manual

Commercial Gas Water Heaters

®

LOW-NOx POWERED-BURNER MODELS

Conservationist®(BTP and BTPV) commercial water heaters offer precise
powered-burner performance for medium-demand commercial applications,
plus the flexibility of conventional atmospheric venting, sidewall venting or
direct venting. To help ensure optimum performance, A. O. Smith offers
professional start-up service on BTP and BTPV models.

VENTING OPTIONS

• BTP models designed for conventional atmospheric vertical venting.
Barometric draft regulating damper provided. Order Vent Kit Part # 170777-005.

• BTPV models designed for horizontal atmospheric sidewall venting or direct venting,
using optional vent kits.

• For sidewall venting order V ent Kit Part # 192049-000.

• For direct venting order V ent Kit Part # 192050-002.

LOW-NOx POWERED GAS BURNER (NA TURAL GAS ONLY)

• Pre-mix design with internal Flue Gas Recirculation (FGR)

• Safety features include internal blocked flue sensor , separate pilot
system, internal thermal cutoff and anti-flashback barrier

FULLY AUTOMA TIC CONTROLS

• Including safety shut-off, high-temperature limit control

• Dual thermostat, adjustable from 120º F to 180º F

DRAFT EQUALIZING COMBUSTION CHAMBER

• Patented dome system ensures optimum flue loading and efficient heat
transfer by balancing pressure inside combustion chamber

ASME T ANK CONSTRUCTION ON ALL MODELS

• Rated working pressure: 160 PSI

FACTOR Y-INST ALLED AGA/ASME TEMPERATURE & PRESSURE
RELIEF VALVE

GLASS-LINED T ANK WITH MULTIPLE ANODE RODS

• For optimum protection against tank corrosion

FLAME INSPECTION PORT
HANDHOLE CLEANOUT

• For easy cleanout of sediment fr

HIGH-ALTITUDE INSTALLA TION

• Adjustable air intake damper easily reset for high-altitude installation by
authorized start-up agent

om tank bottom

CODES AND ST

• Meets ASHRAE/IESNA 90.1-1999 thermal ef

• Meets SCAQMD R1146.2 low-NOx r

WARRANTY

• Three-year limited tank warranty

• For complete warranty information, consult written warranty shipped with
water heater

ANDARDS

ciency and standby loss r

fi

ements

equir

, or contact A. O. Smith Water Heaters

equirements

ACGSS00305

Sept 2006R

Commercial Gas Water Heaters

®

MODEL

NUMBER

BTP 540A

BTPV 540A

BTP 650A

BTPV 650A

BTP 740A

BTPV 740A

FIRST

HOUR

RATING

100° F

RISE

5

83

2206.7
690

2611.7
778

2944.7

TANK

SIZE

85

321.7
85

321.7
85

321.7

BTU

INPUT

PER

HOUR

540,000

650,000

740,000

Gallons

or

Litres

U.S. Gallons

Litres

U.S. Gallons

Litres

U.S. Gallons

Litres

I

GPH

or

LPH

GPH

LPH

GPH

LPH

GPH

LPH

40°F

4°C

1309

4954.6
1579

5976.5
1794

6790.3

100°F

56°C

523

1979.6
630

2384.6
718

2717.6

140°F

78°C

374

1415.6

450

1703.3
512

1937.9

RECOVERY-GALLONS

PER HOUR AT °F

TEMPERATURE RISE

Inches

or

CM

Inches

CM

950 Lbs.

431.8 Kg

GAS

CONN.***

1

˝

-

A

80-3/4

205.1

B

73

185.4

C

32-1/4

81.9

D

9

22.9

E

26-1/2

67.3

F

26-1/2

67.3

G

93

236.2

H

29-1/2

74.9

I

48-1/2

123.2

DIMENSIONS

SHIPPING

WEIGHT

LOW-NOx POWERED-BURNER MODELS

CAPACITY, INPUT AND OUTPUT

ased on 80% Thermal Efficiency obtained in A. O. Smith engineering laboratories.

B
To compensate for effects of high altitude above 2,000 feet, recovery ratings should be reduced approximately 4%
for every 1,000 feet above sea level.
Current Draw (120V,60Hz, 1 Phase): 6.0 Amps

DIMENSIONS AND WEIGHT – ALL MODELS

*D dimension is for atmospheric vent size (BTP models).
**E dimension is for direct and sidewall vent size (BTPV models).
***Minimum gas supply pipe is 1-1/4". See Reference Manual, Table 7 for gas supply pipe size.

ater heater(s) shall be A. O. Smith Model

W

., a r

BTU/Hr

ue sensor

input rating of
of 80%. Heater(s) shall meet ASHRAE/IESNA 90.1-1999 requirements for thermal efficiency and standby loss, and meet
SCAQMD R1146.2 low-NOx requirements. In addition, heater(s) shall: 1) Include a powered gas burner, redundant main gas
valves, gas pr
accurate temperature control and anti-stacking compensation and a factory-installed AGA rated temperature and pressur e

elief valve. 3) Be equipped with 1-1/2˝ NPT water inlet and outlet and a boiler

r
and stamped in accordance with ASME Boiler and Pressure Vessel Code and be so marked for a maximum working pressure
of 160 PSI. 5) Have a glass-lined steel tank with multiple anodes for corrosion protection, and polyurethane foam insulation.

6) Tank shall have a 3-year limited warranty against corrosion as outlined in the written warranty .
enting: BTP heater(s) shall be supplied with a Barometric Draft Regulator for conventional atmospheric venting.

V
BTPV heater(s) shall be supplied with an optional vent kit allowing for horizontal sidewall venting or direct venting.

Burner and Controls: Burner(s) shall be pre-mix design, with internal FGR and thermal cutoff, separate spark pilot ignition
system, integral blocked fl
gas shutof
being placed into operation.

www.hotwater.com

500 Tennessee Waltz Pkwy, Ashland City, TN 37015

©2006 A.O. Smith Corporation Printed in U.S.A.

__________

essure regulator and flame inspection port. 2) Include a high-temperature limit control, dual-bulb thermostat for

f. Burner(s) must be factory-installed, tested and started by an A. O. Smith Authorized BTP Start-up Agent before

________ __ __ __ __ _ _ or equal, with maximum storage capacity of 85 gallons, an

ecovery rating of

, glass view port, main gas r

SUGGESTED SPECIFICATION

GPH at 100º F temperature rise, and minimum thermal efficiency

___

, automatic gas valve, manual test cock and manual

egulator

For Technical Information and Automated F ax Service,call 800-527-1953.

-type handhole cleanout. 4) Shall be constructed

A.O.Smith reserves the right to make product changes or improvements without prior notice.

ACGSS00305

Sept 2006R