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Lochinvar EGS-I&S-01 manual

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Table of contents for the manual

  • Page 1

    EGS-I&S-01 1 SINGLE-W ALL INDIRECT WA TER HEA TER For your family’s comfort, safety, and convenience, we recommend this water heater be installed and serviced by a plumbing professional. T ABLE OF CONTENTS IMPORTANT INFORMATION .................................. 1 GENERAL INFORMATION ....................................... 3 PRE-INSTALLATION [...]

  • Page 2

    EGS-I&S-01 2 W ARNING Installation is not complete unless a pressure and temperature relief valve is installed into the side of the water heater. See the Water Connections section of this manual for details. This water heater contains very hot water under high pressure. Do not unscrew any pipe fittings or attempt to disconnect any components of[...]

  • Page 3

    EGS-I&S-01 3 TEMPERA TURE AND PRESSURE RELIEF V AL VE GENERAL INFORMA TION FEA TURES This water heater contains the following features: HEAT EXCHANGER — The heat exchanger (coil) has 1" NPT female fittings. These water heaters with single-wall heat exchangers meets the Uniform Plumbing Code for installation in all potable water systems p[...]

  • Page 4

    EGS-I&S-01 4 NOTE: Any claims for damage or shortage in shipment must be filed immediately against the carrier by the consignee. IMPORT ANT DECISIONS REQUIRED BEFORE INST ALLA TION SIZING 1. Boiler DOE Heating Capacity – The Single-wall Indirect water heater will provide the rated performance only if used in conjunction with a boiler with a D[...]

  • Page 5

    EGS-I&S-01 5 2. Non-Priority – Boiler output is divided between space heating and domestic hot water heating. Delivery of domestic hot water can be reduced during simultaneous space and domestic hot water heating operations, depending on such factors as boiler output, boiler over-sizing, number of space heating zones calling for heat, and the[...]

  • Page 6

    EGS-I&S-01 6 INSTRUCTIONS FOR POT ABLE CONNECTIONS 1 . BEFORE PROCEEDING WITH THE INSTALLATION, CLOSE THE MAIN WATER SUPPLY VALVE. After shutting off the main water supply, open a faucet to relieve the water line pressure to prevent any water from leaking out of the pipes while making the water connections to the water heater. After the pressur[...]

  • Page 7

    EGS-I&S-01 7 4. NEVER OPERATE THE WATER HEATER WITHOUT FIRST BEING CERTAIN THAT IT IS FILLED WITH WATER. INSTRUCTIONS FOR BOILER CONNECTIONS The Single-wall Indirect connection labeled “To Boiler Return” should be piped to the boiler return piping as close to the boiler as possible and especially after any flow control or check valves in th[...]

  • Page 8

    EGS-I&S-01 8 FILL BOILER SYSTEM 1. On new boiler installations, do not purge the boiler or space heating system through the water heater. During any boiler or space heating system flushing, cleaning, or purging, the water heater should be isolated to avoid possible attack on the carbon steel coil by chemical additives. 2. Purge air from boiler/[...]

  • Page 9

    EGS-I&S-01 9 W ARNING SCALDING This water heater can deliver scalding temperature water at any faucet in the system. Be careful whenever using hot water to avoid scalding injury. By setting the aquastat on this water heater to obtain an increased water temperature, you may create the potential for scald injury. To protect against injury, you sh[...]

  • Page 10

    EGS-I&S-01 10 CAUTION Before manually operating the valve, make sure that a drain line has been attached to the valve to direct the discharge to an open drain. Failure to take this precaution could mean contact with extremely hot water discharging from the valve during this checking operation. 3. After the water heater completes a heat-up cycle[...]

  • Page 11

    EGS-I&S-01 11 b. Open the drain valve to flush any sediment out of the bottom to the heater. c. Shut off the cold water supply. Make sure all hot water fixtures and circulating pumps are turned off. d. Wait for water flow from the hose to stop. Remove the anode using a socket of the appropriate size. Do not use an impact wrench. e. Inspect and [...]

  • Page 12

    EGS-I&S-01 12 TROUBLE SHOOTING GUIDE PROBLEM CAUSE SOLUTION Boiler does not operate Refer to boiler installation instructions Check main service switch Check fused disconnect Circulator does not operate Check power supply Replace as necessary Improper aquastat setting calibration Turn tank aquastat to appropriate or setting Zone valve does not [...]