A.O. Smith ZIP User Manual
A.O. Smith ZIP User Manual

A.O. Smith ZIP User Manual

Tankless electric water heater
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Tankless Electric
Water Heater
7.5 kW and 9 kW
Smart.
Compact.
Powerful.
User Manual

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Table of Contents
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Summary of Contents for A.O. Smith ZIP

  • Page 1 Tankless Electric Water Heater 7.5 kW and 9 kW Smart. Compact. Powerful. User Manual...
  • Page 2: Table Of Contents

    Contents General Information ............... 1 Safety Instructions .
  • Page 3: General Information

    This manual is a guide to good practice for operating and periodic maintenance of the A. O. Smith ZIP Water Heater. Do not operate the Water Heater before reading the user manual. Please follow instructions in this manual to ensure personal safety and proper operation of this product.
  • Page 4: Safety Instructions

    ZIP Water Heater. These messages point out potential hazards and also educate on how to reduce any potential risks. Please always read and follow all safety messages as provided in this user manual.
  • Page 5: Technical Specifications

    Technical Specifications Model Power [kW] Voltage/Frequency [V/Hz] 230~/50 Rated Current [Amps] 32.7 39.2 Circuit Breaker (MCB) rating [Amps] RCCB rating (Earth leakage protector) 63Amps, 30mA AC Efficiency Δt=25°C [ltr/min.]* Wire size for wiring [sq.mm] Shower head size [inch] maximum Temperature range [°C] 30-55** Working water 2 - 60...
  • Page 6: Safety Precautions

    Figure 2 Front view with Front view without Service cover Service cover Part Description Part Description Cold water inlet Terminal block Hot water outlet Thermal Cut-out Flow sensor Heating chamber Temperature sensor Front cover Rear cover LED display Control board Safety Precautions During Installation Do not install the Water Heater where there is...
  • Page 7: Installation

    Installation Before installing, ensure the tools Adjustable wrench, Teflon tape, Measuring tape, Hammer, Bubble level indicator and Impact drill tool are available. Mounting the Water Heater • It is recommended as per IS 302-1 to have 6 • Water Heater must be located within 2 ft. inches clearance from wall.
  • Page 8: Installation (Contd

    Installation (contd...) Mount the Water Heater on the Mounting bracket. Tug downwards on the Water Heater to ensure that the Water Heater is fixed steadily on the Mounting bracket. Figure 9 Mounting screw Mounting screw Concrete Concrete Wall Wall Concrete Wall Water Heater...
  • Page 9: Operation

    CAUTION • Make sure a suitable Teflon tape is used for all plumbing connections to prevent leakage. • Use only Nylon/ Stainless Steel (SS) braided hoses (Flexible Hoses) having a minimum pressure rating of 6 Bar and hoses should be compatible for hot water applications. •...
  • Page 10 CAUTION • Electrical connection to the Water Heater should have circuit breaker, do not use any adapters. Use multimeter to check whether the live line and neutral line are not reverse, to ensure complete safety. • Before installing the Water Heater, confirm that the power of Water Heater matches electric meter capacity and electric supply cable (Refer Page 3).
  • Page 11 Lock mode: Touch and hold for 5 seconds to lock/unlock the Operation panel of the water heater. In Lock mode the hand icon will glow, then touch and hold for 5 seconds to unlock the operation panel and will turn off. Screen saver mode: Screen saver mode is activated when the Water Heater is in standby mode and no button is touched on Touch panel or user intervention for 30 seconds.
  • Page 12: Troubleshooting

    Troubleshooting The information in the following troubleshooting chart may help you diagnose and/or fix a problem you may be experiencing. Please review this chart before calling for Customer Care Centre. Problems Possible Cause(s) Solution Inlet and outlet Fittings not tight. Tighten fittings.
  • Page 13 Error Messages and Actions Error Code Reason Self-diagnostic / Action Outlet temperature is over 65°C. Increase inlet water flow. Malfunction of PCB Call Customer Care Centre. Loose wire connections Call Customer Care Centre. Temperature sensor failure Call Customer Care Centre. Malfunction of PCB Call Customer Care Centre.
  • Page 14: Circuit Diagram

    Circuit Diagram Figure 14 ZIP 7.5 kW Black Blue Yellow & Brown Green Black Heating element Yellow & Display Green Terminal Board block TRIAC Control Board Yellow & Green Black Black Display Thermal CON1 Cut-out Water Yelllow Flow sensor Black...
  • Page 15: Warranty Terms And Conditions

    Warranty Terms and Conditions Product Warranty Your A. O. Smith Water Heater is warranted against defects arising from faulty design, workmanship and materials for a period of 2 years from the date of the invoice, subject to the following conditions: 1.
  • Page 16 Product colour and image shown may vary from the actual product. Part No. : 335271-122_A Date: 03-08-2022...

Table of Contents