Elkay EFHA8 Installation Instructions

Hot Tank Installation Instructions
10
1
14
18
12
1. Disconnect electrical power to the water cooler and shut off water supply to the unit.
2. Remove the necessary panel(s) to gain access to the hot tank. Move hot tank switch to the OFF Position.
3. Drain the hot tank by removing the drain plug from the bottom of the tank.
4. Remove old hot valve assembly from basin. DO NOT use old hot valve assembly with new hot tank.
5. Disconnect the wiring from the old hot tank and remove wire from hot tank to switch (jumper wire).
6 Remove the old hot tank from the unit. Unit may need to be pulled away from wall to remove the hot tank.
7. Remove new hot tank from packaging. Insert elbow fitting (Item 16) into quick connect fitting on top of hot tank. Take the clear vinyl
tubing and push it onto the middle barb fitting on the top of the tank. Take the silicone tubing and push it onto the larger barbed fitting
on the top of the tank. Install the new hot tank onto mounting bracket (Item 11) per Fig.2. Then install that assembly into the unit as
per Fig. 1 using four screws (Item 14) to secure it in place.
8. Install new hot valve body (Item 2) into basin through exsisting hole, using body gasket (Item 5), Shroud (Item 3) & nut (item 17).
Attach red handle (Item 6) to hot valve body. Route the hot valve tubes to the hot tank as shown in Fig. 2, using the gray quick
connect fitting for the water to hot tank tube (This quick connect fitting mates up the blue poly tubing (Item 8) and elbow (Item 16)
installed in step #7). Mate up the silicone tubing to the hot water line from the valve using a hose clamp. Install quick connect tee
(Item 9) per Fig. 2. Use copper tube (Item 13) to mate the clear vinyl vent tube from hot tank to the tee. To insert tubing, push tube
straight into fitting until it reaches a positive stop, approximately 3/4". To remove tubing from fitting, relieve water pressure and push
in on gray collar while pulling on tubing.
9. Connect new hot tank wiring by connecting the black wire on to the switch, the white wire mates to the white wire from the
exsisting wiring harness. Attach the green ground wire to the mounting bracket with screw (Item 18) as shown in FIG. 1.
10. Place the unit back into position and reconnect water and drain lines.
11. Turn on the water supply and fill the hot tank with water by depressing the hot tank valve lever (Item 9). CHECK FOR LEAKS.
* CAUTION * - Do not turn on hot tank without completely filling with water. FAILURE to do so will result in hot tank damage.
12. Plug unit in, making sure the compressor and fan run and the hot tank produces hot water.
13. Replace panels.
EFHA8/14
FIG. 1
HOT TANK REPLACEMENT INSTRUCTIONS
PAGE 1
7 (SEE FIG.3)
SEE FIG. 2
HOT TANK SWITCH
98160C (4/05)