Thermostat Reset Upgrade Kit Installation Instructions
INSTALLATION INSTRUCTIONS
FCB Pinnacle 2 Flavor Emerson Units
THERMOSTAT RESET UPGRADE KIT P/N 629088480
IMPORTANT: This procedure is intended for use by a Qualified Service Technician.
IMPORTANT: This kit is intended to be a direct replacement of the existing safety circuit. If the
unit does not have a reset box on the back, call IMI Cornelius Service at 800-238-3600.
NOTE: Open the Cornelius web site www.cornelius.com, search for 629088480INS, and print the
instructions off in color.
Parts List
Item Description Qty
1 Retro-Kit Enclosure Box (with wiring inside) 1
2 Hole Template 1
3 Short Thread-Cutting Screws (if needed) 6
4 Set of wire ties 1
5 Screws, 1 spare 3
6 Wiring Diagram – 620920907 1
7 7/8” Bushing (if needed) 1
8 Hex Nut 1
9 Harness, In-Rush Protection 2
10 Label, Hot Gas Error (not shown) 1
11 Brass Screws and S.S. Lock-washers (not shown) 4
Retro-Kit
Enclosure Box
Bushing
Hex Nut
Screws
Wire Diagram
Hole Template
Set of Wire Ties
Short Thread
Cutting Screws
In-Rush Protection
Harnesses
Tool List
Multi-Use Screwdriver Wire Stripper/Crimper
1/4” Nut Driver Needle Nose Pliers
Multi-meter Set of Mixed Terminals (red male and female
Release Date: June 30, 2005 www.cornelius.com Revision: C
© 2005, IMI Cornelius Inc. - 1 - Publication Number: 629088480INS
AMP fastons, fully insulated)
Thermostat Reset Upgrade Kit Installation Instructions
Installation Instructions
1. Pull Pinnacle away from wall. DISCONNECT POWER FROM THE UNIT. Remove lower back
panel.
2. Remove the 4 screws holding contactor
box cover (bottom rear of unit). The box
will now pivot on hinges. Also remove the
4 screws holding the original safety circuit
box on the back of the lower frame.
Contactor Box
3. Remove leads LD1 and LD2 from
transformer 1, located in contactor box.
These are the piggybacked connections.
Remove the labeled terminals from the
piggybacks and replace in their original
positions.
Original Safety Box
Place TX1-LD1 and TX1-LD2 back on transformers.
Use same location from placement.
Remove piggybacked wires and leads from transformer.
Publication Number: 629088480INS - 2 - © 2005, IMI Cornelius Inc.
Thermostat Reset Upgrade Kit Installation Instructions
4. Remove thermostat wires from their
connections. Feed the wires out of the
contactor box. Discard the black jumper
wire.
5. Feed the white wires that originate from
the safety circuit box out of the contactor
box.
Disconnect white
contactor wire from
thermostat wire.
Disconnect black
jumper from thermostat
wire and discard.
Remove the two white wires
and black thermostat wires
from contactor box.
6. Pull out safety circuit box and remove the ground screw. Disconnect the main power and contactor
harness leads for the contactor.
7. Feed the white wires out through the hole and remove the box.
NOTE: Note the mounting hole locations on
the original box. If the mounting holes are on
Box with mounting holes on
top and bottom. Drill new.
Box with mounting holes on
sides. Use existing.
the side of the box, proceed to step 14.
If the mounting locations are on the top and
bottom, remove all wires and bushing and
proceed to the next step to drill new
mounting holes.
© 2005, IMI Cornelius Inc. - 3 - Publication Number: 629088480INS