User Manual and Operating Guide
INTRODUCTION
This instruction details installation of the transformer kit to convert a 120V (2 wire w/ground) or 120/240V (3 
wire w/ground) SINGLE or TWIN to a 208V (2 wire w/ground).
NOTE: This procedure should only be performed by a trained technician.
CONTENTS
  ITEM  PART NO.  QTY.  DESCRIPTION
 1 43218.0001 1 Transformer/Bracket Assembly
 2 02308.0000 2 Screws
  3a  42995.0000  1  Decal, Wiring Diagram (SINGLE)
  3b  42995.0001  1  Decal, Wiring Diagram (TWIN)
  4a  42947.0000  1  Wiring Harness (SINGLE Only)
  4b  42947.0001  1  Wiring Harness (TWINS Only)
 5 42925.0002 1 Instructions
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
42925.0002A 02/11 ©2011 Bunn-O-Matic Corporation
MODEL ICB/TWIN/
ITCB-DV HV/ 
ITCB HV TWIN
CONTINUED
1. Make sure the unit is unplugged.
2. Remove the front panel by loosening the (6) screws. Save 
screws.
3. Remove the white and black power cord wires from the terminal 
block, and remove the ground screw. Save ground screw. Loosen 
the screws on the strain relief and remove & discard the 120V 
power cord.
4. Remove the red/black 2-wire harness that connects the terminal 
block to the master on/off switch. Discard harness.
5. Remove the component bracket by removing the 2 screws 
connecting the bracket to the base. Save screws.
6. Use the drill hole pattern to drill (2) holes in the base. FIG 1 
ICB, FIG 2 ITCB-DV HV
7. Mount the component bracket to the transformer bracket with 
saved screws from step 5.
FIG 1
3-wire (no neutral) transformer conversion kit instructions
Center the template between 
the support channels under the 
base plate. Mark/drill holes 
8.0" from back of brewer.
TRANSFORMER/BRACKET INSTRUCTIONS
FIG 2
¾˝
ICB/ITCB-DV HV




