Reliant FVIR GAS WATER HEATER Gebrauchs- und Pflegeanleitung PDF herunterladen (Seite 25)

properly. To prevent water damage, the valve must be

properly connected to a discharge line which terminates at

an adequate drain. Standing clear of the outlet (discharged

water may be hot), slowly lift and release the lever handle

on the temperature and pressure relief valve to allow the

valve to operate freely and return to its closed position.

See Figure 25. If the valve fails to completely reset and

continues to release water, immediately shut off the

manual gas control valve and the cold water inlet valve

and call a qualified technician.

TEMPERATURE AND PRESSURE

RELIEF VALVE

DISCHARGE LINE TO DRAIN

MANUAL RELIEF

VALVE

FIGURE 25.

3. Remove the outer door.

4. Remove the two screws (1/4” nut driver) securing the manifold

door assembly to the combustion chamber (Figure 27).

Manifold Screw (2)

Manifold Component Block

Manifold Door

Thermal Switch

Pilot Tube

Manifold Tube

Viewport

Wiring

Harness

Gas Control Valve/

Thermostat

FV Sensor

FIGURE 27.

5. Disconnect the pilot tube (7/16” wrench), the igniter

wire, and manifold tube (3/4” wrench) at the gas

control valve/thermostat. Also use needle nose pliers

to disconnect the yellow TCO wire leads from the

thermal switch on the manifold door. NOTE: L.P.

Gas systems use reverse (left-hand) threads on the

manifold tube.

6. Grasp the manifold tube and push down slightly to free

the manifold and pilot tube.

7. Carefully remove the manifold assembly from the

burner compartment.

NOTE: Be sure not to damage internal parts.

Replacement Parts

IMPORTANT: The following maintenance procedures are

for the FVIR System components and should be performed

by a qualified technician.

Replacement parts may be ordered through your plumber

or the local distributor. Parts will be shipped at prevailing

prices and billed accordingly. When ordering replacement

parts, always have the following information ready:

1. model, serial, and product number

2. type of gas

3. item number

4. parts description

See Repair Parts Section for a list of available repair parts.

Removing the Manifold/Burner Assembly

1. Turn off the gas to the water heater at the manual

shut-off valve (Figure 5).

2. Move the ON/OFF switch on the gas control valve/

thermostat to the “OFF” position to turn off the water

heater. (Figure 26).

Pilot

Tube

Manifold

Tube

Igniter

Wire

Wiring Harness

OFF

STATUS

•

HOT

LOW

VA C

FIGURE 26.

Temperature and Pressure Relief Valve

Explosion Harzard

• Temperature-pressure relief

valve must comply with ANSI

Z21.22-CSA 4.4 and ASME

code.

• Properly sized temperature-

pressure relief valve must be

installed in opening provided.

• Can result in overheating

and excessive tank pressure.

• Can cause serious injury or

death.

Manually operate the temperature and pressure relief

valve at least once a year to make sure it is working

MAINTENANCE OF YOUR WATER HEATER

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