A.O. Smith DELC-30 - Installation Preparation and Tools

Commercial Electric Water Heater Use and Care Guide • 7
GETTING STARTED
Figure 1 - Flexible connectors use compression
fittings and do not require soldering.
Figure 2 - Use a non-contact circuit tester to
insure that the power is off before you work on
a circuit.
Figure 3 - Install a Pressure Reducing Valve set
to 50 to 60 PSI.
1
Review all of the instrucons
before you begin work.
Improper installaon can
damage the water heater and
property, and can present risks of
serious injury or death.
2
Check with your local/
provincial authories for any
local/provincial codes that
apply to your area. In the absence of
local/provincial codes, follow the
“Canadian Electrical Code” CSA C22.1
current edion and the Naonal
Plumbing Code (NPC). The instrucons
in this manual comply with naonal
codes, but the installer is responsible
for complying with local/provincial
codes.
3
Before you start, be sure you
have, and know how to use,
the following tools and
supplies:
• Plumbing tools and supplies
appropriate for the type of water
pipes in the plumbing system
• Threaded connectors (gure 1) for
the cold and hot water pipes
• For plasc pipe, use threaded
connectors suitable for the specic
type of plasc pipe used: CPVC and
PEX (cross-linked polyethylene). Do
not use PVC pipe.
• For copper pipe, you may purchase
connector kits with compression
ngs that don’t require soldering
(gure 1). Compression ngs
are easier to install than soldering
copper pipes.
• Thread sealant tape or pipe joint
compound approved for potable
water
• Tools to make the electrical
connecons (for example,
screwdrivers, wire strippers)
• Non-Contact circuit tester to check
for power (gure 2)
• Water Pressure Gauge (see page 11,
gure 4)

• Suitable drain pan (see page 12,
gure 6)
• Automac leak detecon and shut-
o device
• Pressure Reducing Valve (gure 3)
• Thermal Expansion Tank (see page
11, gure 5)
• Thermostac Mixing Valves (see
page 12, gure 7)