Wells WFAE55FS Service Manual

WELLS BLOOMFIELD LLC

10 Sunnen Drive, St. Louis, MO 63143

telephone: [phone]

fax: [phone]

www.wellsbloomfield.com

SERVICE

INSTRUCTION

4 PIN CONNECTOR

THERMISTOR

HEATER

RELAY

BASKET

RELAY

2 PIN CONNECTOR

24 VOLT INPUT

N.C.N.O.

COM

N.C.N.O.

COM

Grounding

Stud

(2 Places)

IL2545a

WS-WL0334 Control Retrot Replacement

WFAE55FS & WVAE55FS

CONTROL REPLACEMENT

The kit has been designed to address replacing a
failed controller in a Wells Electric Open Frypot Fryer.
Unfortunately the new controller requires a new control
panel, thermistor, relay and wiring.

Please read these instructions thoughly before beginning these
process. This should be performed by a licensed Wells service
agent.

Part Number Description Quantity

2C-1810 WASHER 3/16 BURR STL NP 4
2C-2553 NUT 6-32 HEX STL NP 4
2E-307334 RELAY 240VAC 1
2E-49550 SWITCH ROCKER POWER WFAE 1
2J-Z16332 THERMISTOR 91K W/ LEADS 1
2J-Z16356 CONTROL CTT 1
2K-Z1530 SPACER 4
2K-Z16357 COMPRESSION FITTING 1
2M-Z16212 FACEPLATE CONTROLLER 55FC 1
2M-Z16330 INSTRUCTION SHEET 1
2M-Z16331 LABEL DIAGRAM 55FS SERIES 1
E7-Z16328 CONTROL PANEL 1
E7-Z16329 WIRE KIT CTT RETROFIT 1

Installation Instruction

1. Unit must be disconnected from power supply before service

2. Drain oil from fry kettle.

3. Remove front panel with control board.

4. Remove ground wires from front panel.

5. Remove power switch from old control panel and disconnect the associated wires from the
switch. (8A, 9A, 16, 24, 25, 26, 27, 28) Note: wires 24 & 28 non-ventless units only.

a. For ventless fryers the wires that need to be disconnected from the switch are 8A, 9A, 16, 40, 25,

26, 27 & 42.

Note: Audible alarm needs to be disconnected but should remain in place.

6. Remove and discard wires attached to multi
pin connectors from old control.
(10, 11, 12, 13, 22, 21, 19, 20)

7. Attach ground wires to new control panel.

8. Reinstall main power switch and associated
wiring (8A, 9A, 16, 24, 25, 26, 27, 28) into
replacement control panel.

a. If ventless model; the following wires need to

be re-attached 8A, 9A, 16, 40, 25, 26, 27 & 42.

9. Remove Basket lift solid state relays from
control housing rear panel & replace with new
relay 2E-307334.

10. Remove and discard old wires (23, 30, 31, 32
& 33) from the control housing rear panel.

11. Remove ring terminals from wires 17 & 18 and
replace with ¼” inch push on terminals.

12. Attach wire 17 to the N.O. terminal of the lift
relay on the new control board.
(see wiring diagram).

13. Attach wire 18 to the N.C. terminal of the lift
relay on the new control board.
(see wiring diagram).

2M-Z16330, Rev. A 130305 SV363

14. Usingteontapeonthethreadedconnections,

replace temperature probe assembly with new probe &
compression assemblies located in the bottom of the kettle.

(As shown here)

15. Connect temperature probe to the control board terminal
marked “J4”.

16. Remove surge suppressors (if present) from hybrid
contactor, high limit contactor, and control circuit
transformer.

17. Attach new wire assembly 12/13 to secondary on
transformer and power input connector “J3” on new board.

18. Attach new wire assembly 11A to hybrid relay terminal and
COM terminal on the new relay mounted to the wall of the
fryer. (see wiring diagram).

19. Attach wire 19 to the safety contactor and to the N.O.
terminal on the relay, mounted to the control housing rear
panel.

20. Attach new wire assembly 11 to COM terminal heater relay
mounted to center of the new board (see wiring diagram).

21. Attach the other end of new wire 11 to the 3/16 input terminal on the relay mounted on the wall of the
fryer.

22. Attach new wire 14A to the remaining input terminal on the new relay mounted on the wall of the
fryer (see wiring diagram) and to the safety contactor.

23. Attach the tandem end of the new wire assembly 30/23 to the COM terminal on the lift relay on the
control board (see wiring diagram).

24. Attach wire 23 to the high limit thermostat with wire 24 (Non-Ventless Units Only).

25. For ventless models 23 & 43 attach together at the high limit thermostat.

26. Attach wire 30 to the terminal of the transformer that corresponds to the nameplate voltage on the
fryer (208 or 240).

27. Attach the new control panel to the fryer body.

28. Connectpowertothefryerandllthekettlewithoil.

29. Checkforleaksattheprobetting.

2M-Z16330, Service Instructions 55FS Series Control Retrot