Unified Brands HY-6G(CE) To Test, Water Inlet Valve Three Way P/N, Water Inlet Valve Coil

6.Position the valve over the valve mounting threaded studs and connect both ends of the hose to the drain box and steam generator.

7.Position the spring clamps about 3 mm (1/8") from the end of the hose.

8.Install and tighten valve mounting 10-32 cap nuts.

9.Plug valve electrical leads into the wiring harness.

To Test:

Operate steamer and allow steam generator to fill. Check for leaks and observe if drain valve fully closes. Turn off steamer and observe that drain valve opens and the steam generator drains. Install back cover.

10.6Water Inlet Valve - Three Way P/N 090827

1.Turn off power to the steamer. Turn off the water supply to the steamer. Remove the water supply hose connection on the rear of the steamer.

2.As viewed from the rear, remove the back panel and the right panel.

3.The water inlet of the valve branches to three individual solenoid activated valves within a single housing, with the following sets of wires:

Solenoid	Wires
Top Steam Generator Fill: Green and Blue
Bottom Steam Generator Fill: Violet and Gray
Condensate Spray:	Black and White

4.Slide the hose clamps down the hose until needed for reassembly. Loosen and remove the hoses using a gentle rocking motion.

5.From the back of the steamer, remove the two screws holding the valve assembly in place. Then lower the valve WITH THE WIRES STILL ATTACHED.

6.From the back of the steamer, remove the two 8-32 screws holding the valve assembly in place. Lower the valve.

7.Carefully unplug the connectors, one at a time and attach to the new valve.

8.To install a new valve, reverse the procedures and first install the six wires (three sets) as listed in Item 3 of this Section. Fasten the valve to the steamer with

the two screws. Make sure that the valve is NOT installed upside down.

9.Re-attach the hoses to the valve. Slide the hoses all the way so that the end of the hose is flush against the face of the valve.

IMPORTANT. Make sure that the correct steam generator hose is connected to the corresponding valve outlet. Slide the hose clamps back into position around the end of the hose and tighten the clamps.

Slide the hose clamps so that they are within 3 mm (1/8 inch) from the end of the hose.

TOP hose — to the TOP Steam Generator MIDDLE hose — to the BOTTOM Steam Generator BOTTOM hose — to the DRAIN Box

11.Attach the three sets of wires to the valve making sure that the proper wires are connected to the corresponding terminals.

To Test:

With power ON, turn on the power switch to one cavity. The fill solenoid for that steam generator should energize allowing water to enter the steam generator. When READY light is ON, spray valve solenoid should energize and water should enter the drain box.

10.7 Water Inlet Valve Coil

If a solenoid coil on the water inlet valve is defective, replace the entire valve in accordance with Section 10.6.

10.8Drain Box Spray Nozzle P/N 081670

1.Raise the stainless steel vent pipe to remove it from the drain box. Do not loosen the hose clamp around the vent pipe. The hose clamp serves to prevent the pipe from going too far into the drain box. Secure the vent pipe in the raised position.

2.Lift the cover of the drain box. There are no fasteners holding the cover on the drain box.

3.Tip the cover and note there is a circular hole in the middle and the spray nozzle (with a hex head) is in the center of the hole.

4.With a socket wrench, turn the spray nozzle in the counter-clockwise direction to remove.

5.To install new nozzle, place pipe compound on the nozzle threads, insert nozzle in socket wrench and start the nozzle in the hole. Tighten nozzle.

24 OM/SM-HY-6G(CE)