Junction Box - Rheem Solaraide Series Use & Care Manual

Residential solar water heater
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Temperature & Pressure Relief Valve
Anode
Hot Water
Outlet to Fixtures
Union
Heat Trap
6" Min.
Collector
Return
Air Gap
6"
Relief Valve Discharge
Line to suitable open drain
Figure 2.—Typical Installation for Side Connect Models
To Electrical Distribution Panel
Collector
Union
Return
Anode
Hot Water
Union
Outlet to Fixtures
Heat Trap
6" Min.
Temperature &
Pressure Relief
Valve
Air Gap
6"
Relief Valve Discharge
Line to suitable open drain
Figure 2.—Typical Installation for Top Connect Models
Installation
To Electrical Distribution Panel
Union
Heat Trap
6" Min.
Thermal Expansion
Tank (if required)
Electrical Junction
Box
(Use only Copper
Conductors)
Jacket Access
Panel
Collector
Feed
Drain Valve
Auxiliary Catch Pan
Collector
Feed
Sensor Wire
Heat Trap
6" Min.
Shut-Off
Thermal Expansion
Tank (if required)
Electrical Junction
Box
(Use only Copper
Conductors)
Jacket Access
Panels
Drain Valve
Auxiliary Catch Pan
rating label located on front of the heater (1 watt = 3.412 BTUH).
Connect the outlet of the relief valve to a suitable open drain so
To Cold
that the discharge water cannot contact live electrical parts and
Water
to eliminate potential water damage. Piping used should be of a
Supply
type approved for hot water distribution. The discharge line must
be no smaller than the outlet of the valve and must pitch down-
ward from the valve to allow complete drainage (by gravity) of
the relief valve and discharge line. The end of the discharge line
should not be threaded or concealed and should be protected
Shut-Off
from freezing. No valve of any type, restriction or reducer cou-
Valve
pling should be installed in the discharge line.
5. TO FILL WATER HEATER — Make certain drain valve is com-
pletely closed. Open shut-off valve in cold water supply line.
Open each hot water faucet slowly to allow air to vent from the
water heater and piping. A steady flow of water from the hot water
faucet(s) indicates a full water heater.
!
WARNING
Tank MUST BE full of water before power is turned on. Heating ele-
ment WlLL BE DAMAGED if energized for even a short time while tank
is dry. The water heater's warranty does not cover damage or failure
resulting from operation with an empty or partially empty tank. (Ref-
erence is made to the limited warranty for complete terms and condi-
tions.)
6. ELECTRICAL CONNECTIONS for Electric Solar Only— A sep-
arate branch circuit with copper conductors, overcurrent protective
device and suitable disconnecting means must be provided by a
qualified electrician. All wiring must conform to local codes or lat-
est edition of the National Electrical Code ANSI/NFPA 70.
To Cold
The water heater is completely wired to the junction box inside
Water
jacket at top front of water heater. An opening for
Supply
trical fitting is provided for field wiring connections. (Refer to Fig.
3)
The voltage requirements and wattage load for the water heater
is specified on the rating plate on front of heater.
Valve
Table 1 recommends minimum branch circuit sizing based on
National Electric Code. Refer to wiring diagram on back cover of
this manual for field wiring connections.
Ground Screw
(See Text)
Conduit
Connector
Figure 3. — Water Heater Junction Box.
4
l
/
" or
2

Junction Box

Wire
Connectors
3
/
" elec-
4

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