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Water Heater
EWS 3 Litres
SZS 3 Litres
M i n i B o t
User Manual

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Summary of Contents for A.O. Smith Minibot

  • Page 1 Water Heater EWS 3 Litres SZS 3 Litres M i n i B o t User Manual...
  • Page 2 Pre-instruction Literature On Receipt It is our policy to promote safe delivery of all orders. This product shipment has been thoroughly checked, packed and quality certified before leaving our factory. Visible Loss or Damage If any of the goods called for on the bill of lading or express receipt are damaged or the quantity is short, do not accept them until the freight or express delivery agent makes an appropriate notation on your freight bill or receipt.
  • Page 3: General Instructions

    General Instructions Safety Your safety and the safety of your loved ones is paramount. There are several safety related messages in this manual, which have been provided during various steps such as the installation, operation and maintenance of your SZS Water Heater. These messages point out potential hazards and also educate on how to reduce any potential risks.
  • Page 4: Specifications

    Specifications Model SZS-3 Volume [L] Power [W] 4500 Voltage/Frequency [V/Hz] 230~/50 Rated water N/cm pressure Water head (metres) Inlet/Outlet connections [inch] ½ BSP Net Weight (kgs.) Dimensions Model 3 Ltrs. Model 3 Ltrs. Model 3 Ltrs. A (mm) C (mm) E (mm) B1 (mm) D1 (mm)
  • Page 5 Figure 2 Front View Back View Without Top Cover Part Description Part Description Cold water inlet Reset button Hot water outlet Anode Multi-function Safety valve Inlet pipe with diffuser Warning tag Heating element Heating indicator lamp Thermostat Power indicator lamp Thermal cut-out Top cover Outlet pipe...
  • Page 6: Safety Precautions

    Safety Precautions During Installation Do not install the Water Heater where Do not install the Water Heater where there is direct sunlight or rain. It is has water splashes on the Water Heater. to be installed indoor only. Figure 5 Figure 4 CAUTION CAUTION...
  • Page 7 Installation (contd...) 1. Use Mounting Template to mark holes (Step 1). 2. Use a drill bit with diameter of 8 mm to drill 2 holes at least 35 mm deep in the wall (Step 3). The two holes should be aligned horizontally. Figure 8 Drilling Tool...
  • Page 8: Water Heater

    Installation (contd...) Mount the Water Heater on the Mounting screw through Wall mount slot. Tug downwards on the Water Heater to ensure that the Water Heater is fixed steadily. Figure 10 Wall mount Mounting slot screw Water Heater Concrete Concrete Wall Wall 80 mm...
  • Page 9: Connecting To Water Supply

    Connecting to Water Supply Figure 11 Installation Diagram Teflon tape *Flexible Hose Warning Cold Water Tap Water Tap Teflon tape **Multi-function Safety valve Teflon tape Discharge Outlet *Flexible Hoses to be procured by the customer, not part of standard product. 1.
  • Page 10: Operation

    CAUTION • The Multi-function Safety valve should never be removed or blocked by any means to prevent it from dripping or releasing the excess pressure inside the heater. Failure to do so may result in damage to the Water Heater and injuries to the user. This will also make the warranty null and void.
  • Page 11 CAUTION • This Water Heater should not be operated with insufficient amount of water. Failure to do so may result in damage to the Water Heater and injuries to the user. This will also make the warranty null and void. •...
  • Page 12 This Water Heater comes with factory pre-set temperature. Figure 14 Power indicator lamp Heating indicator lamp Switch on the Water Heater’s power supply. The Power indicator lamp glows. Modes There are two types of modes depending on the actual water temperature inside the inner tank of the Water Heater: Heating mode Standby mode...
  • Page 13: Troubleshooting

    CAUTION Please turn off the power supply to the Water Heater prior to draining the Water Heater. Troubleshooting The Water Heater may not operate as desired if used incorrectly or there is a minor cause, even though the product has no fault. In these cases, check the following issues to solve simple problems without the help from the Customer Care Centre.
  • Page 14 Problems Possible Cause(s) Solution Water dripping from Non-return valve is Install Non-return valve Multi-function Safety installed close to the inlet at a distance of at least 40 valve during heating. of the Water Heater. feet from the inlet of the Water Heater (Refer page 8), if problem still persists call Customer Care Centre.
  • Page 15: Circuit Diagram

    Circuit Diagram Figure 18 Thermal cut-out Thermostat Brown Blue White Green/Yellow Green Heating light light Element Tank Blue White Black Black...
  • Page 16 A. O. Smith Advantage... Blue Diamond Glass Lined Tank for 2X Corrosion Resistance. 5 years warranty on inner tank. 3 years extended warranty* on heating element. Designed with Better Technology to Provide Better Performance. Long-Lasting Anode Rod with 2X Lifespan Even in Hard Water Conditions. Double Protection with Thermal Cut-Out and Multi-Function Safety Valve.

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335271-069_a

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