Laars 9600 HWG Installation, Operation And Maintenance Instructions Download Page 15 | Manualshive

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9600 HWG Water Heater

Page 15

Figure 16. Wiring diagram.

“Caution: Label all

wires prior to

disconnection

when servicing

controls.

Wiring errors can

cause improper

and dangerous

operation.”

Verify Proper

Operation After

Servicing!

Figure 17. Ladder diagram.

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Summary of Contents for 9600 HWG

Page 1: ...service technician qualified in hot water boiler installation and maintenance Improper installation and or operation could create carbon monoxide gas in flue gases which could cause serious injury pro...

Page 2: ...ide Wall 5 2 4 Locating Unit for Proper Vent Height 5 2 5 Locating Unit with Respect to Ventilation 5 2 6 Locating Unit with Respect to Storage Tanks 5 SECTION 3 Installation 3 1 Installing Vent Pipin...

Page 3: ...rements take precedence over the general instructions contained herein All electrical wiring is to be done in accordance with local codes or in the absence of local codes with 1 the National Electrica...

Page 4: ...y AGA CGA for installation on combustible flooring in basements in closets utility rooms or alcoves It must not be installed on carpeting The location for the unit should be chosen with regard to the...

Page 5: ...vent locations you select must permit direct pipe runs to the terminal from the boiler Since the 9600 HWG Water Heater is designed to drain any water that collects in the vent it is important that yo...

Page 6: ...Install a shut off valve in the piping between the thermometer fitting and the tank The following steps are recommended for vent installation 1 Obtain the necessary 3 or 4 diameter plastic piping and...

Page 7: ...ntains a minimum of 10 psi static pressure If water hardness is greater than 10 grains a water soft ening or particle suspension device must be installed be fore the heater or warranty will be void Co...

Page 8: ...Page 8 LAARS Heating Systems Figure 7 Two temperature system Figure 6 Single 9600 HWG Storage Tank...

Page 9: ...9600 HWG Water Heater Page 9 Figure 8 Multiple 9600 HWG s storage tanks...

Page 10: ...t attempt because of air contained in gas lines In this case blower will stop after 5 minutes Should this happen turn off main switch Wait five minutes and turn on switch again If burner fails three t...

Page 11: ...s or hose see Figure 9 3 The pressure relief valve should be operated manually at least once a year To do this place a suitable container under the relief valve drain pipe The discharge from this valv...

Page 12: ...tall new O ring valve top and replace valve top on valve and install and tighten screws 6 Restore pressure to water heater bleed air from the petcock on the valve and restart water heater 7 Replace ac...

Page 13: ...heater for the space heating application shall be suitable for use with potable water Toxic chemicals such as used for boiler treatment shall not be introduced into the potable water used for space h...

Page 14: ...Defective low limit operating control safety limit or system differential pressure switch 2 Jump control wires one control at a time to identify open circuit in control no continuity FOR DIAGNOSIS ONL...

Page 15: ...ge 15 Figure 16 Wiring diagram Caution Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify Proper Operation After Servicing F...

Page 16: ...Page 16 LAARS Heating Systems Figure 18 Lighting and shutdown procedures...

Page 17: ...nstallation manual Set regulator for maximum run pressure of 9 3 Remove blower and inspect flame holder burner for hole 4 Check that the blower flanges and gas piping are sealed 6 4 Occasional Lockout...

Page 18: ...310 Blower Assembly HWG 250 2400 086 Combustion Coil Assembly 9 2400 082 Flame Holder 7 2400 308 Flame Holder HWG 250 2400 286 Ignitor 2400 088 Capacitor Motor Starter 2400 224 Control Board 2400 014...

Page 19: ...9600 HWG Water Heater Page 19...

Page 20: ...vice Advisors 20 Industrial Way Rochester NH 03867 603 335 6300 Fax 603 335 3355 Applications Engineering 1869 Sismet Road Mississauga Ontario Canada L4W 1W8 905 238 0100 Fax 905 366 0130 www Laars co...

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