Cornelius 750 Pre-Mix - Manual
Cornelius 750 Pre-Mix – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – REQUIRED EQUIPMENT; Item; DISASSEMBLY
- Page 5 – DO NOT VENT REFRIGERANT TO ATMOSPHERE; KIT INSTALLATION
- Page 6 – LEAK CHECK; CHARGING
- Page 7 – TESTING
November 30, 1984
189159001
Revised: December 10, 1991
E
IMI Cornelius Inc; 1984-91
IMI CORNELIUS INC.
One Cornelius Place
Anoka. MN 55303-6234
Telephone (800) 238–3600
Facsimile (612) 422–3246
COPPER EVAPORATOR COIL KIT (P/N 185216000)
ON
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).
Table 1. Loose-Shipped Parts
Item
No.
Part No.
Name
Qty.
1
319238088
Suction Line Ass’y
1
2
186843000
Anode
1
3
187969000
Sheet Metal Screw, Phil Pan Hd, Type ‘‘A’’ Alum; No. 10 by 1/2-in.
1
4
185215000
Copper Evaporator Coil
1
5
319225000
Coil Spacer
4
6
320389000
Thread Rolling Screw, Phil Pan Hd, No. 6-32 by 1/4-in.
4
7
960050
Rubatex Insulation, 6-ft. long
1
8
2601
Strainer Dryer, Dual Inlet
1
9
189159001
Instructions
1
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.
"Loading the manual" means you need to wait until the file loads and becomes available for online reading. Some manuals are very large, and the time they take to appear depends on your internet speed.
Summary
2 189159001 Flux for use with copper-to-steel connections. Principal equipment needed for installing this kit is listed in the following table. Equivalent items maybe substituted. REQUIRED EQUIPMENT Item No. Name and Description Use 1 Torch, Oxy-fuel (acetylene, propane, etc.) Brazing 2 Torch Tips s...
5 189159001 WARNING: To avoid eye injury, wear protective glasses or goggles while working withrefrigerant 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 brazingcontain toxic gases. 1. Remove refrige...
6 189159001 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 su...