Installation Manual
Table Of Contents
- Safe Installation, Use and Service
- APPROVALS
- General Safety Information
- Introduction
- Features And Components
- Installation Considerations
- Installation Requirements
- Gas Pressure Requirements
- Supply Gas Line
- Supply Gas Regulator
- Power Supply
- Mixing Valves
- Dishwashing Machines
- Closed Water Systems
- Thermal Expansion
- Temperature-Pressure Relief Valve
- Condensate Drain
- Combustible Material Storage
- Contaminated Air
- Air Requirements
- Unconfined Space
- Confined Space
- Fresh Air Openings For Confined Spaces
- Outdoor Air Through Two Openings
- Outdoor Air Through One Opening
- Outdoor Air Through Two Horizontal Ducts
- Outdoor Air Through Two Vertical Ducts
- Air From Other Indoor Spaces
- Installation Requirements - Commonwealth of Massachusetts
- Venting Installation
- General Venting Information
- General Venting Instructions
- Venting Requirements
- Venting Installation Sequence
- Power Vent Installation
- Direct Vent Installation
- Vertical Termination Installation
- Sidewall Termination Installation
- Polypropylene Installations
- AL29-4C Vent Installations
- Concentric Termination Installation
- 6 Inch Concentric Termination Installation
- Low Profile Vent Installation
- Water Heater Installation
- Temperature Regulation
- Control System Operation
- Start Up
- Troubleshooting
- Maintenance
- Diagrams
- Notes
- Limited Warranty
10
STORAGE CAPACITIES
TABLE 2
Model
U.S. Gallons Liters
ASME Standard ASME Standard
BTH 300-500 119 119 450.96 450.96
Figure 6
These designs comply with the current edition of the American National Standard for Gas Fired Water Heaters, Volume III, ANSI
Z21.10.3-CSA 4.3. BTH 300 and 400 are Automatic Circulating Tank or Automatic Storage Water Heaters. BTH 500 is Automatic
Circulating Tank or Automatic Instantaneous Water Heater
ROUGH IN DIMENSIONS
GAS LINE CONNECTION SIZE
TABLE 1
MODEL SERIES NATURAL GAS PROPANE GAS
BTH 300 200/201 1 1/2” NPT 1 1/2” NPT
BTH 400 200/201 1 1/2” NPT 1 1/2” NPT
BTH 500 200/201 1 1/2” NPT 1 1/2” NPT
This table shows connections sizes only. Depending on the installed equivalent
length, and/or the number of appliances connected, the supply gas line size may
have to be increased beyond the minimum required sizes - see Gas Line Sizing
on page 38.
TABLE 3
U.S. GALLONS/HR & LITERS/HR AT TEMPERATURE RISE INDICATED
Model
Type of
Gas
Input
Thermal
Efciency %
°F 30°F 40°F 50°F 60°F 70°F 80°F 90°F 100°F 110°F 120°F 130°F 140°F
Btu/hr kW °C 17°C 22°C 28°C 33°C 39°C 44°C 50°C 56°C 61°C 67°C 72°C 78°C
BTH 300
Natural
300,000 88 96
GPH 1164 873 698 582 499 436 388 349 317 291 269 249
Propane LPH 4404 3303 2643 2202 1888 1652 1468 1321 1201 1101 1016 944
BTH 400
Natural
399,900 117 95
GPH 1535 1151 921 767 658 576 512 460 419 384 354 329
Propane LPH 5810 4357 3486 2905 2490 2179 1937 1743 1585 1452 1341 1245
BTH 500
Natural
499,900 146 95
GPH 1919 1439 1151 959 822 720 640 576 523 480 443 411
Propane LPH 7263 5447 4358 3631 3113 2724 2421 2179 1981 1816 1676 1556
INSTALLATION CONSIDERATIONS
RECOVERY CAPACITIES
GAS
INTAKE
CLEANOUT
T&P
DRAIN
EXHAUST
1 1/2" NPT
WATER
OUTLET
FRONT
18°
30°
45°
42°
70°
20°
TOP
RECIRC RETURN
CLEANOUT
3/4" NPT
T&P
3/4" NPT DRAIN
1 1/2" NPT
WATER INLET
4" EXHAUST VENT
CONNECTION
52.00in
132.08cm
32.39cm
12.75in
4.75in
12.07cm
58.43cm
23.00in
75.75in
192.41cm
FRONT
CONNECTION
1 1/2" SUPPLY GAS
BACK
4" PVC AIR INTAKE
CONNECTION
73.75in
33.12in
187.3cm
84.12cm
O.D.
69.25in
175.9cm
63.13in
160.35cm
WATER
OUTLET
HEIGHT