Please use a backup wrench when installing water fittings. Connections are 3/4”
NPT (Fig. 13 )
Important Notes About Electrical Connections:
1. Before beginning any work on the electrical installation, be sure that the main
breaker panel switch is OFF to avoid any danger of electric shock. All mounting and
plumbing MUST BE completed before proceeding with the electrical installation.
2. All electrical work must comply with national and applicable state and local
electrical codes.
3. All units must be connected to a properly grounded, dedicated branch circuit of
proper voltage rating.
4. ECO180: Requires two dedicated double pole circuit breakers (2x50amp). Use
two insulated supply cables per double pole breaker and a ground wire to connect to
“ground bar”. ECO210|240|270: Require three dedicated double pole circuit
breakers (3x40amp for ECO210|240; 3x50amp for ECO270). Use two insulated
wires for each of the three separate double-pole breakers and a ground wire
connected to the “ground bar”
14 15
Outlet
Rubber Washers
Inlet
Backup Wrench
Fig. 13
Attach unit to mounting bracket by sliding onto tabs. Make sure the unit is properly
secured to both tabs of the bracket. Install bottom, center screw to affix the unit to the
bracket to complete mounting.
Important Notes About Water Connections:
1. All water pipe must comply with national and applicable state and local water pipe
codes.
2. The unit should be connected directly to the main water supply. Flush pipe with
water to remove any debris or loose particles.
3. All connections to the unit should be ¾” NPT. Larger pipe can be connected but
the appropriate adapters must be used.
4. Please remember to install rubber seal rings at the connections. When all water
connections are completed, check for leaks and take corrective action before
proceeding.
Connect the cold water supply to the threaded pipe labeled “inlet” and the hot water
to the threaded pipe labeled “outlet.” IMPORTANT: RUBBER WASHER MUST BE
USED FOR PROPER SEAL.
Fig. 12
Fig. 13
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