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GENERAL INFORMATION
POWER BURNER
The initial start-up procedure of the gas power burner is provided
on page 18 thru 21. Refer to Figure 12, burner exploded view for
burner components location.
The sequence of operation of the power burner is provided on
page 15. For detailed Power Burner Operation, Maintenance
and Troubleshooting refer to the separate Power Burner Manual
provided with this water heater.
THERMOSTAT
It is suggested the thermostat be turned to the lowest setting,
which satisfies the hot water requirements of the system. This
helps minimize scale formation in the heater.
HIGH LIMIT
The high limit (not adjustable) is factory set to cutout at 205°F
(96°C). The high limit switch must be manually reset by
depressing the reset button on front of the control when water
temperature drops to about 180°F (82°C).
GAS AND AIR SUPPLY SPECIFICATIONS TABLE 10
Model
BTP(V)-540A BTP(V)-650A BTP(V)-750A
Min. Dynamic Gas
Supply Line
8" w.c. (2 kPa) When heater is ON
Pressure
Max. Static Gas
Supply Line
14" w.c. (3.5 kPa) When heater is OFF
Pressure
Gas Manifold
4.7"w.c. (1.1 kPa)
(Ref.)*
Pressure
Gas Orifice Size
1/2"
Air Inlet Damper
3**
Dial Setting
Combustion
Emissions
Range
* Note: Flue gas excess O
chamber premature failure; flue gas excess O
may cause rough operation or incomplete combustion. Final
manifold pressure settings should be based on flue O
reading!
** Note: Air inlet damper setting needs to be adjusted at field for
direct vent and/or high elevation installations.
MAINTENANCE
GENERAL
KEEP APPLIANCE AREA CLEAR AND FREE FROM COMBUSTIBLE
MATERIALS, GASOLINE AND OTHER FLAMMABLE VAPORS AND
LIQUIDS. (SEE WARNING PAGE 6).
Water heater maintenance includes periodic tank flushing and
cleaning, and removal of lime scale. The power burner should
be inspected and adjusted to maintain proper combustion. Refer
4.7"w.c. 1.1 kPa)
4.7"w.c. (1.1 kPa)
(Ref.)*
(Ref.)*
11/16"
N/A
4.5**
5.6**
Flue Gas O2: 5 - 6.5%**
(or CO2 reading 8 - 9%)
below 3% may cause combustion
2
above 7%
2
to the following table. A periodic inspection of the venting system
should be made. Where used the water heating system
circulating pump should be oiled.
MAINTENANCE SCHEDULE
Following are the instructions for performing some of the
recommended maintenance. Power burner inspection and
adjustment should be performed by a competent technician.
MAINTENANCE SCHEDULE
Component
Tank
Relief Valve
Circulating Pump(1)
Power Burner Blower
Power Burner and
Ignition Device(2)
Barometric Damper
Flue
Vent System
(1) If furnished with oiling provisions.
(2) If flange gasket is damaged, it must be replaced.
ELECTRICAL SERVICING
/CO
2
2
LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN
SERVICING CONTROLS. WIRING ERRORS CAN CAUSE
IMPROPER AND DANGEROUS OPERATION.
VERIFY PROPER OPERATION AFTER SERVICING.
1. Turn off the heater electrical disconnect switch.
2. Open the drain valve and allow water to flow until it runs clean.
3. Close the drain valve when finished flushing.
4. Turn on the heater electrical disconnect switch.
27
Operation
Interval
Sediment
Removal
Monthly
Lime Scale
Removal
Semi-Annually
Inspect
Semi-Annually
Oiling
Four Months
Clean Inlet
Screen and
As Required
Blower Wheel
Inspection
Semi-Annually
Inspect
Every 3
Months
Cleaning
As Required
Every 3
Inspect
Months
CAUTION
FLUSHING
Required
Flushing
UN-LIME®
Delimer
SAE No. 20
non-detergent
motor oil
Soft Brush
Make sure gate
swings freely,
no spillage
into room
Wire Brush
Joints should
be sealed
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