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- Girard tankless water heater manual
Page 29 VR. Print page 1 Print document 37 pages. Rename the bookmark. Delete bookmark? Cancel Delete. Delete from my manuals? Sign In OR. Don't have an account? Sign up! Twist the flow meter plumbing and pull the flow meter upward. Page 12 Once the board senses water flow then the board will read the ECO to ensure it is not open. The wire connections on the ECO are clip type spade connections.
Pull back the insulation over the spade connection and push the clip down and pull simultaneously. If the ECO is tested open by the control board when the hot water faucet is turned on then the control panel will show the water flow symbol and an E3 fault. Page 13 If the temperature of the water displayed at the UCP is nowhere near the temperature of the water coming out of the water heater you may have a thermistor out of calibration.
Check the temperature on the copper pipe where the output thermistor is located with a laser thermometer to confirm the temperature. Page 14 Blower Motor Operation This water heater is equipped with a 4 wire variable speed brushless motor.
The motor operates with a 24VDC pulse width modulation system. Which means there is Voltage at all 4 wires on the CN1 plug with or without the motor running. When the hot water faucet is turned on the water flow symbol showerhead will turn on at the UCP. Page Pressure Switch Pressure Switch The pressure switch is the air proving device on the water heater. It is vital that the fan is operating before the board goes into ignition mode. The pressure switch contacts close as the air from the fan passes over the Petit Tube inside the blower housing.
This creates a suction on the hose that connects the fan housing to the pressure switch. Page Control Board Trial for ignition Control Board Once the board senses the water flow meter, ECO, Thermistor, Motor Operation and Pressure switch activation then the board will power the gas valve and send high voltage for the spark. This is a two try board. If there is no ignition then you will get an E1 fault code and you will need to perform a soft reset by turning the water flow off and then back on again.
An E1 fault code is not always caused by a failure of the gas valve to open. Additional diagnosis needs to be performed since this fault code may be caused by a number of issues. Page 18 5. Check voltage between the brown and the black wires during the Gas Valve trial for ignition. The resistance on the coil should be approximately ohms.
The output gas pressure of the gas valve can be measured at the test port on the right side of the board. Page 19 Vent Do not attempt to repair gas valves. Before an inspection make sure that the LP Gas and Water supply are connected and turned on. Page Limited Warranty 2 Years 1.
For a period of two years from the date of purchase, Girard Products will replace any parts that are found defective and will pay a warranty service allowance directly to the recommended Girard Products Water Heater Service Center at rates mutually agreed upon between Girard Products and its recommended service centers.
Be sure to provide purchase documentation regarding your Girard Water Heater. Any other use, unless authorized in writing by the Girard Products Engineering Department, voids this warranty. Print page 1 Print document 20 pages. Rename the bookmark. Delete bookmark? Cancel Delete. Delete from my manuals? Girard offers one of the best-selling tankless water heaters in the RV industry, supplying a large number of manufacturers with a high-quality solution. Our on-demand tankless unit was developed with state-of-the-art electronics and components.
It provides endless hot water with no wait time for showering, dishwashing, laundering and more to empower the mobile lifestyle. The GSWH-2 is the culmination of years of research and experience.
We listened to our customers and incorporated everything you wanted into this advanced tankless water heater. It is easy to operate, providing endless water at the precise temperature desired.
The onboard micro-processor monitors the incoming cold water temperature, flow rate and the outgoing hot water temperature to maintain a constant, steady hot water flow.
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