Getting Started; Install A Pressure Reducing Valve; Condensate Overflow Flexible Tubing; Main Drain Connection Piping - A.O. Smith ProLine XE Installation Instructions And Use & Care Manual

GETTING STARTED

Figure 1 - Flexible connectors use compres-
sion 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
if required.
Figure 4 - Condensate overflow flexible
tubing.
3/4" OD
To Main
Drain Connection
Pipe
Figure 5 - Main Drain Connection piping.
6 • Residential Hybrid Electric Heat Pump Water Heater Use and Care Guide
1
damage the water heater, your home
and other property, and can present
risks of serious injury or death.
2
apply to your area. In the absence of
local and province codes, follow and
the current editions of the Canadian
Electric Code (CEC) and the National
Plumbing Code (NPC). The instructions
in this manual comply with national
codes, but the installer is responsible
for complying with local codes.
3
• Plumbing tools and supplies appro-
priate for the type of water pipes in
your home
• Threaded connectors (Figure 1) for
the cold and hot water pipes
• For homes plumbed with plastic
pipe, use threaded connectors suit-
able for the specific type of plastic
pipe used: CPVC and PEX (cross-
linked polyethylene). Do not use
PVC pipe.
• For homes with copper pipes, you
may purchase connector kits with
compression fittings that don't
Elbow
require soldering (Figure 1). Com-
pression fittings are easier to install
than soldering copper pipes.
3/4" ID
3/4" OD
Review all of the instructions
before you begin work.
Improper installation can
Check with your local and
province authorities for any
local or province codes that
Before you start, be sure you
have, and know how to use, the
following tools and supplies:
• Teflon® tape or pipe joint com-
pound approved for potable water
• Tools to make the electrical connec-
tions (for example, screwdrivers,
wire strippers)
• Non-Contact circuit tester to check
for power (Figure 2)
• Water Pressure Gauge (Figure 6 on
page 7)
Recommended Accessories:
• Suitable drain pan (Figure 8 on page
8)
• Automatic leak detection and shut-
off device
• Pressure Reducing Valve (Figure 3
on page 6)
• Thermal Expansion Tank (Figure 7
on page 7)
• Thermostatic Mixing Valves (Figure
9 on page 8)
• 1/2" Flexible tubing for Condensate
Overflow (Figure 4 on page 6)
• 90° Elbow with 3/4" Female
Unthreaded Socket End X 3/4"
Male NPT Threaded End (Figure 5
on page 6)
• 3/4" OD Plastic Pipe for Condensate
Drain (Figure 5 on page 6)