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Installing the SHLX
WATER SUPPLY CONECTIONS
Plumbing should be carried out by a qualified plumber in accordance with local codes. Use approved
plumbing materials and tools only. Install a check valve between the water heater and the water shutoff
valve. (See illustration below).
Flow Restrictor
Water Inlet
Filter
Check Valve
Nipple
CAUTION! This water heater must only be used with the following water supply system conditions:
•
With clean, potable water free of corrosive chemicals, sand, dirt, or other contaminates.
•
With inlet water temperatures above 32°F, but not to exceed 120°F.
Limiteur de Débit
•
Free of lime and scale deposits.
Arrivée D'eau
•
DO NOT reverse the hot and cold water connections. The water heater will not operate.
To ensure proper operation of the water heater, the following water pressure guidelines should be followed:
Filtre
•
Operation of the SHLX gas tankless water heater requires a minimum water flow rate of 0.7 GP to activate
and 0.6 GPM to maintain activation.
Clapet Anti-retour
•
Additional water pressure is required for long pipe runs and outlet fitting(s) water pressure drops.
•
To maintain proper performance, ensure sufficient water supply pressure. The Required Water Flow Rate
Mamelon
= Min. Operating Water Pressure (0.6 GPM) + Pipe Pressure Loss + Faucet and Shower Pressure Loss +
Safety Margin (more than 5 psi).
•
To supply hot water to upper floors, additional water pressure (0.44 psi/ft) must be ensured. The
measurement should be calculated by the distance between the water inlet of the water heater (ground
level) to the hot water faucet (upper floor level).
•
Well water systems should be set at a range of 50-60 psi.
•
When the water is supplied from a water supply tank, the height of the tank and the diameter of the
pipes and their relation to water pressure, should be taken into consideration. Gravity water pressure is
not recomended.
IMPORTANT: Do not apply heat to the HOT or COLD water connections. Any heat applied to
the water supply fittings will permanently damage the internal components of the water heater.
NOTICE: If the water flow resistance of a shower head is too high, the burner in the water heater will
fail to ignite. Keep the shower head clean from debris that could cause additional pressure drop.
Notice: If using mixing valves on the outlet, choose one which prevents cold water pressure from
overcoming hot water line pressure.
DO NOT use pipes with smaller diameters than the water supply connection of the water heater.
Be sure to connect the water inlet and the hot water outlet as shown on the water heater. If reversed,
the water heater will not function.
Installation of unions or flexible copper connections are recommended on the HOT and COLD water
lines, so that the water heater may disconnect easily for servicing if necessary.
16
Support: Support.Eccotemp.com
To conserve energy and to prevent freezing, insulate both cold and hot
water supply lines. DO NOT cover the drain valves. Install a shutoff valve
near the inlet of the water heater for service and draining purposes.
Before connecting the water supply pipe to the water heater, open the
shutoff valve ·and clean out sand, debris,air, caulking material, etc. inside
the pipe. Connect to the water inlet, then check water flow. Close the
shutoff valve and clean the water filter.
If a water heater is installed in a closed water supply system, such
as one having a backflow preventer in the cold water supply line,
means shall be provided to control thermal expansion. Contact the
water supplier or local plumbing inspector on how to control this
situation.
PLEASE NOTE: SHLX IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECT TO
CHANGE WITHOUT NOTICE. PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.
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