Aerco 860 GAL. Instrukcje techniczne - Strona 9

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Aerco 860 GAL. Instrukcje techniczne

3. STORAGE TANK MANWAY/HANDHOLD CLEANOUT

Tanks larger than 36" vessel diameter are equipped with a 12" X 16" manway. A manway is
optional for 30" and 36" vessel diameters. 20", 24" and 28" vessel diameters are equipped with
a hand hole clean out.
If your vessel has a manway, please follow these procedures:
•
Manway covers and gaskets are shipped in place so they will not be lost in shipment. The
bolts are NOT tightened, so be sure to check for shifting of the gasket due to vibration in
transit.
•
The bolts are not tightened completely so that the tank can be opened and cleaned and
inspected prior to service. Once the manway bolts are fully torqued, the gasket cannot be
re-used. Use only a 12" crescent wrench. DO NOT use any persuasion bars or pry bars to
tighten.
•
For final assembly, of the manway, the gasket must cover the surface of the ring 100% and
project slightly on each side of the ring. The bolts should be tightened before that tank has
been pressurized and then re-tightened when the tank is at operating pressure.
•
DO NOT use adhesives, glues, epoxies, or other such materials to secure the gasket in
place. Use only the gasket that was supplied with the manway. If additional gaskets are
required, or a replacement is needed, please contact your AERCO representative.
o Manyway Gasket – 12" X 16", part no. 81195
o Hand Hole Gasket – part no. 81196

4. STORAGE TANK INSTALLATION

Consult your local building codes for water heater regulations and make sure that you acquire
any necessary permits.
NOTE FOR MASSACHUSETTS INSTALLATIONS: Storage tank installations within the
Commonwealth of Massachusetts must conform to 248 CMR 10.00.
Refer to the user manual for the water heater being used to ascertain any special requirements
for your installation and proceed as follows:
1.
Clear the area around the old hot water tank of all flammable items.
2.
Switch off the water heater and allow the system to cool for four hours.
3.
Isolate the electrical supply to the existing water heater by switching off the electricity at
the mains supply point.
4.
Turn off the cold water supply to the existing heating system and any other heating
appliance.
5.
Turn off the main gas supply valve downstream from the water heater.
6.
If you are replacing an existing storage tank, be sure to drain and disassemble it
according to the manufacturer's instructions.
7.
Install drain fittings at bottom connection before setting the tank permanently.
8.
Place the new tank into position and line it up to be flush with existing plumbing
connections. Connect the storage tank to the plumbing using appropriate techniques.
9.
You MUST install a relief valve at top of the tank per the manufacturer's instructions. If the
relief valve is ordered from AERCO, it will be shipped separately from the tank.
10. Ensure ground wires to the heater are connected.
VD2: 09/22/12
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: 800-526-0288 Page 9 of 19
AERCO Domestic Water Storage Tank
Technical Instruction Document
Installing the Storage Tank
TID-0011_0B