Service manual

150158 Rev. 2 August - 2010
FILLING HEATER WITH WATER
1. Close the heater drain valve by turning the handle to the
right (clockwise). The drain valve is on the lower front of
heater.
2. Open the cold water supply valve to the heater.
3. To insure complete filling of the tank, allow air to exit by
opening the nearest hot water faucet. Allow water to run
until a constant flow is obtained. This will let air out of the
heater and the piping.
9
ELECTRICAL
120 VAC LESS THAN 5 AMPS
When installed, this appliance must be electrically
grounded in accordance with local codes or in the
abscence of local codes, with the National Electrical Code,
ANSI/NFPA NO. 70-Latest Edition and
Canadian Electrical
Code
CSA #22.2.
Electrical
ON-OFF
control must be located near heater in
accordance with local code.
CAUTION:
Label all wires prior to disconnection when
servicing controls. Wiring errors can cause improper and
dangerous operation.
Verify proper operation after servicing
.
Refer to Page 11, Figure 11, for wiring diagram D80-512AS
model, and Refer to Page 10 Figure 10, for wiring diagram
remains models.
JUNCTION BOX
FIGURE 9
CAUTION
Operating an empty or partially filled heater will
result in damage to the tank.
4. Check all new water piping for leaks. Repair as needed.
5. Unit is ready to be started. Follow lighting instructions on
Page 13.
INSTALLATION CHECK LIST
Before putting burner in operation
This is presented for ease of reference. It is not comprehensive.
A l l i ns t ruct i o ns and w arni n gs m us t b e read an d adhered t o.
A. HEATER LOCATION
K
Close to area of vent.
K
Indoors and protected from freezing temperatures.
K
Proper clearance from combustible surfaces observed
and heater not installed directly on carpeted floor.
K
Sufficient fresh air supply for proper operation of
heater.
K
Air supply free of corrosive elements and flammable
vapors.
K
Provisions made to protect area from water damage.
K
Sufficient room to service heater.
B. WATER SUPPLY (See WATER PIPING)
K
Install cold water inlet valve (Figure 5)
K
Heater completely filled with water.
K
Water connection tight and free of leaks.
C. RELIEF VALVE
K
Install a new Temperature and Pressure Relief Valve
properly and discharge line run to open drain.
K
Discharge line protected from freezing (Figure 5).
D. GAS SUPPLY
K
Gas supply same as the type of gas listed on the rating
plate.
K
Gas line equipped with shut-off valve, union and drip
leg (Figure 5).
K
Approved pipe joint compound used.
K
Soap and water solution used to check all connections
and fittings for possible gas leaks.
K
The installer to visually determine that the main
burner flames are burning correctly without lifting,
floating or flashing back and that the air shutters
should be adjusted and locked to a position that results
in correct burner flame pattern (see page 14) after to
turn on water heater.
E. VENTING
K
Draft diverter properly installed.
K
Vent connector(s) securely fastened together with
screws.
K
Vent connector(s) at least 6” from combustible
material.
K
Check with spill test
F. ELECTRICAL
K
120 VAC supply.
K
ON-OFF switch near heater.
K
Cove on junction box.
G. DAMPER
K
Damper in place on heater flue collector outlet.
K
Damper plate has free movement.