Cornelius Universal 750 Pre-Mix Installation Instructions Manual
Cornelius Universal 750 Pre-Mix Installation Instructions Manual

Cornelius Universal 750 Pre-Mix Installation Instructions Manual

Copper evaporator coil kit on universal 750 pre-mix dispenser

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COPPER EVAPORATOR COIL KIT (P/N 185216000)
UNIVERSAL 750 PRE-MIX DISPENSER
IMPORTANT: Only qualified Personnel should install this Kit.

INTRODUCTION

The purpose of this kit is to replace the original expanded aluminum evaporator, which also doubles as the wa-
ter bath tank, with a new copper tube style evaporator. The old aluminum evaporator remains in place as the
water bath tank only.
A new anode and refrigeration system dual inlet strainer/dryer are also included with the kit and must be instal-
led.
Retain these instructions as part of your equipment manual.

UNPACKING THE KIT

Unpack and inspect the kit. Make sure Loose-Shipped Parts are present and in good condition (see Figure 1).
Item
No.
Part No.
1
319238088
Suction Line Ass'y
2
186843000
Anode
3
187969000
Sheet Metal Screw, Phil Pan Hd, Type ''A'' Alum; No. 10 by 1/2-in.
4
185215000
Copper Evaporator Coil
5
319225000
Coil Spacer
6
320389000
Thread Rolling Screw, Phil Pan Hd, No. 6-32 by 1/4-in.
7
960050
Rubatex Insulation, 6-ft. long
8
2601
Strainer Dryer, Dual Inlet
9
189159001
Instructions

REQUIRED SUPPLIES AND EQUIPMENT

Supplies required are as follows:
Brazing alloy ''Phos-Copper'', ''Silfos'' or equivalent is required for copper-to-copper connections. These alloys
contain about 15% silver.
Brazing alloy. ''Easy-flow'' or equivalent is required for copper-to-steel connections. This alloy contains about
50% silver.
EIMI Cornelius Inc; 1984-91
ON
Table 1. Loose-Shipped Parts
Name
IMI CORNELIUS INC.
One Cornelius Place
Anoka. MN 55303-6234
Telephone (800) 238–3600
Facsimile (612) 422–3246
Qty.
1
1
1
1
4
4
1
1
1
Revised: December 10, 1991
November 30, 1984
189159001

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Summary of Contents for Cornelius Universal 750 Pre-Mix

  • Page 1 COPPER EVAPORATOR COIL KIT (P/N 185216000) UNIVERSAL 750 PRE-MIX DISPENSER IMPORTANT: Only qualified Personnel should install this Kit. INTRODUCTION The purpose of this kit is to replace the original expanded aluminum evaporator, which also doubles as the wa- ter bath tank, with a new copper tube style evaporator. The old aluminum evaporator remains in place as the water bath tank only.
  • Page 2 Flux for use with copper-to-steel connections. Principal equipment needed for installing this kit is listed in the following table. Equivalent items may be substituted. REQUIRED EQUIPMENT Item Torch, Oxy-fuel (acetylene, propane, etc.) Torch Tips size No. 2 or 3 Vacuum pump and gaging with 50-micron blank-off pressure. Alternately a pump having 28.5;...
  • Page 3 Pull ice bank control sensing bulb up out of holder in product coil basket and lay off to one side. BE CAREFUL NOT TO KINK CAPILLARY TUBE. Disconnect anode wire from evaporator tank, then remove anode from holder in product coil basket. Discard old anode.
  • Page 4 COIL SPACER (4) (ITEM 5) COPPER EVAPORATOR COIL (ITEM 4) SHIPPING POSITION VERY CAREFULLY, BEND (DO NOT KINK) COPPER TUBING INTO INSTALLATION POSITION COVER ASS’Y (UNIT WITH SEALED EVAPORATOR TANK ONLY) INSTALLATION POSITION SHANK NUT COVER RETAINING SCREW (8) PLATE SPACER CUT OUT WITH HACK SAW...
  • Page 5 WARNING: To avoid eye injury, wear protective glasses or goggles while working with refrigerant or brazing. DO NOT VENT REFRIGERANT TO ATMOSPHERE NOTE: Work in a well-ventilated area. Refrigerant is not toxic, but will displace air. Fumes from brazing contain toxic gases. 1.
  • Page 6 11. Purge system at least 10-minutes with dry nitrogen prior to brazing. 12. Adjust nitrogen flow until a very small amount (less than 1-psi) of nitrogen is flowing through refrigeration system. 13. While nitrogen is slowly flowing through refrigeration system, solder in lower part of suction line assembly into system.
  • Page 7 Place ice bank control sensing bulb in product coils basket holder. BE CAREFUL NOT TO KINK CAP- ILLARY TUBE. COIL EXCESS TUBE AND PLACE IN A SAFE AREA. Install new ANODE (item 2) in product coil basket holder. Connect anode wire to evaporator tank using aluminum SHEET METAL SCREW (item 3). Install dispensing valves, plate gasket, and plate on unit and secure with shank nuts.

This manual is also suitable for:

185216000

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