Important Safety Instructions When using this electrical equipment, basic safety precautions should always be followed, including the following: 1. READ AND FOLLOW ALL INSTRUCTIONS. This appliance must be grounded. Disconnect this product from the elec trical supply before cleaning, servicing or removing the cover.
Using the PowerStar WARNING Do not use the unit if you think it may be frozen, as this could result in serious damage to the unit. Wait until you are sure that it has completely thawed out before you switch it on. •...
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WARNING The unit must only be installed in the orientation shown in Diagram 1, i.e., mounted in a vertical position with the water fittings located at the bottom of the unit. Under no circumstances should the unit be mounted differently. If being used in a public place, position the unit out of easy reach to discourage vandalism.
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IMPORTANT When the PowerStar is not within sight of the electrical circuit breakers, a circuit breaker lockout or additional local means of disconnection for all non-grounded conductors must be provided that is within sight of the appliance. (Ref NEC 422.31.) The AE115 requires The AE125 requires two independent 240V...
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Wiring to the unit in Canada WARNING The unit must be installed by a qualified electrician, in accordance with the current version of the Canadian Electrical Code. The unit must be grounded. IMPORTANT When the PowerStar is not within sight of the electrical circuit brea kers, a circuit breaker lockout or •...
• Any insulation on the ground wire should be stripped back about ¾ inch. The ground lead must be connected to the pillar terminal marked “GR.” • Make sure the terminal block screws are tightened securely. Loose connections can cause wires to heat up.
Graph 1 Outlet Temperature vs Maximum Flow Rate Setting (based on incoming water temperature of 55°F) 5.00 4.50 4.00 3.50 AE125 Heater 3.00 2.50 2.00 AE115 Heater 1.50 1.00 Outlet Temperature (°F) For example: • For the AE115 unit, using a ball valve, ensure the flow rate does not exceed 2.3 US gallons / minute. •...
• The outlet water temperature can also vary if the maximum flow rate is exceeded (see Graph 1) or if the supply voltage changes. • Each heater module is protected by an electro-mechanical thermal cut-out. If the temperature of any of the heater modules gets too high, then the cut-out will trip and cut the power to that heater module.
Note: The unit will work at lower supply voltages but the following changes will apply: Maximum output 15kW at 220V 22.5kW at 220V 13kW at 208V 20kW at 208V Temperature control range 87°F to 116°F at 220V 87°F to 116°F at 220V 82°F to 108°F at 208V 82°F to 108°F at 208V Maximum flow rate...
Check the plumbing. Use only Teflon There are restrictions in the tape for sealing pipe joints. Inspect plumbing. and clean inlet filter screen at heater. Water flow too Check that all inlet shut-off valves Water supply pressure too low. are fully open. Adjust outlet shut-off valves as Outlet shut-off valves are set described in the section “Adjusting...
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PowerStar LIMITED 10 YEAR WARRANTY (Continued from Page 11) Verification of Date of Original Installation – When owner cannot verify or document the original date of installation, the warranty period begins on the date of manufacture marked on the tag affixed to the water heater.