OF ELECTRICAL SHOCK. DO NOT ENERGIZE THE BRANCH CIRCUIT BEFORE THE HEATER TANK IS FILLED WITH WATER.
TWO UNIT MANIFOLD
INSTALLATION
Assure water flow balance of all units. Without this balance, the full water heating and storage potential of the system cannot be achieved. Otherwise, the units with the higher water flow may have a shortened life.
Dimensions shown are for minimum space occupied by complete assemblies. Service space in front of units must be included.
MODEL | MANIFOLD SIZE |
2” | |
BTPN/BTP/COF/COBT - 140 | 2” |
BTPN/BTP/COF/COBT - 200 | 2 1/2” |
BTPN/BTP/COF/COBT - 300 | 2 1/2” |
BTPN/BTP/COF/COBT - 400 | 3” |
BTPN/BTP/COF/COBT - 600 | 3” |
OPERATION
IMPORTANT
AUTHORIZED
If you have not already done so, contact your local A.O. Smith Sales Representative or Authorized BTP/BTPN/COF/COBT Start- Up Agent and
The Authorized
Covering Models |
| |
Form No. |
|
|
09063511 | BTP Models, 140 | - 255 kBTUH |
09063510 | BTP Models, 270 | - 2500 kBTUH |
09063512 | COBT Models, 140 - 2500 kBTUH | |
09063514 | COF Models, 140 - 2500 kBTUH | |
09063515 | BTPN Models, 400 - 2000 kBTUH |
The time to ask any questions you may have about your unit is when the A.O. Smith Authorized BTP/COF/COBT
A MAINTENANCE section is included at the rear of this manual. Any service required should be performed by an Authorized A.O. Smith Service Agent.
GENERAL
NEVER OPERATE THE HEATER WITHOUT FIRST BEING CERTAIN IT IS FILLED WITH WATER AND A TEMPERATURE AND PRESSURE RELIEF VALVE IS INSTALLED IN THE RELIEF VALVE OPENING OF THE HEATER.
CAUTION
Before proceeding with the operation of the unit make sure the water heater and system are filled with water and all air is expelled.
FILLING
1.Close the heater drain valve by turning handle clockwise.
2.Open a nearby hot water faucet to permit the air in the system to escape.
3.Fully open the cold water inlet pipe valve allowing the heater and piping to be filled.
4.Close the hot water faucet as water starts to flow.
5.The heater is ready to be operated.
COMBUSTION ARRANGEMENT REQUIREMENTS
AND SERVICE RECOMMENDATIONS
1.In order to fire correctly, the burner requires an adequate supply of combustion air. Ventilation to the boiler room should be provided on the basis of one square inch of free air opening for each 1000 BTU/HR input. This excludes the requirements for any other fired equipment in the room. The boiler room should not become excessively hot and under no circumstances should be under negative pressure.
2.The burner must be set up initially and serviced at regular intervals (suggested
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