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Fig 6-A: Upward Installation FIG 6-B: Upside down Installation
●Electrical connection
1, All electrical work must comply with national and applicable state and local electrical codes
2, All unit must be connected to a properly grounded dedicated branch circuit of proper voltage rating.
3, While fed the cable to terminal blocks/Circuit Breaker, please make sure the metal wire ends and the
terminal blocks to touch completely. Then tighten the screws up to make sure the full current can go
through .
4, Before beginning any work on the electric installation, be sure that main breaker panel switch is OFF to
avoid any danger of electric shock, all mounting and plumbing must be completed before proceeding with
electrical hook-up .
■Operation Instructions
Model (RTEC-04 E03, RTEC-06 E03)
1--- Turn on the circuit breaker to bring electrical power to the unit. The LED digital display screen will light.
2--- Turn on the water faucet for a few minutes until water flow is continuous and all air is drained from water
pipes. The unit must be operated after the breaker is turned on.
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