INSTALLATION INSTRUCTIONS

Centerline or Ecoline Door Type & Undercounter Booster Element Kit

These instructions are only intended for use by properly trained and qualified service technicians.

If you do not have technical training for this product, you should read the following procedure, in its entirety, to

determine if you have the necessary tools, instruments and skills required to perform the procedure. Procedures for

which you do not have the necessary tools, instruments and skills should be performed by a trained Hobart Service

The reproduction, transfer, sale or other use of this manual, without the express written consent of Hobart Service,

1 04-021122-001 O-Ring, ID 46.99mm x 5.33mm 1

2 00-562444 Heating Element, Booster, 6000W, 230V US 1

3 EW-231016 Temperature Probe, 10kOHM 1

4 EW-069871 Probe Holder 1

5 EW-69870 Booster Heater Cover 1

6 EW-299001 Heating Element Bridge 2

7 EW-417086 Nut, Wash Head, M6 4

8 00-942185 Hi-Limit Thermostat 233°F (112°C) ± 5°F (3°C) 2

9 00-563657 Gauge, Booster Heater 1

Brass Hardware for Element Studs to secure Element Wires

1. DRAIN MACHINE by pressing and holding power on/off button.

NOTE: Press and holding power on/off button for 3 seconds activates self-cleaning cycle, drains machine, and

switches machine off automatically.

NOTE: Shut off and LOCK OUT incoming water source.

DOOR TYPE (CDH / EDH)

1. Remove Lower Front Panel, by locating and removing two screws on lower frame.

Fig. 2

2. Slide panel down and away from band.

6. Continue to Booster Heater Replacement.

F45919 Rev. A (September 2022) Page 2 of 7

Fig. 4

UNDER COUNTER (CUH / EUH)

1. Remove Front Panel.

Fig. 5

2. Place container under machine to catch water.

3. Remove bolt to lower control mount bracket.

Fig. 6

for CUH / EUH (Undercounter).

Booster Heater Replacement

1. Remove nut securing plastic cover (1).

Fig. 7

2. Remove cover, disconnect thermistor wire at harness and remove thermistor (B2).

Fig. 8

3. Remove nuts securing heater wires and jumper bars.

wiring (3PH or 1PH).

4. Remove three nuts securing element assembly and remove assembly.

Fig. 1) from kit.

Fig. 10 Fig. 11

NOTE: When installing jumper bars (6, Fig. 1) on new heater assembly, ensure slotted side of the jumper bar is

facing out (Fig. 12) and the spacing between the bars is a minimum 1.6mm (1/16") gap (Fig. 13).

NOTE: Use gauge (9, Fig. 1) from kit .

NOTE: A 1/16" allen wrench may be used as a gauge.

Fig. 12 Fig. 13

7. Install heater wires to studs with washers (11, Fig. 1) and Nuts (10, Fig. 1).

9. Reinstall booster hose and tighten clamp.

10. Install terminal cover (5, Fig. 1) from kit and reattach ground wire (2, Fig. 16).

11. Apply thermal paste to hi-limit switches 3TAS and 4TAS (8, Fig. 1) from kit.

12. Install replacement hi-limit switches, 3TAS and 4TAS, and reconnect wires.

13. Close up control panel (CUH / EUH only).

14. Turn on power and water source. Test unit.

NOTE: Check for leaks.

15. Install lower front cover.