Instrukcja obsługi Cornelius Universal 750 Pre-Mix

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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 onl

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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 Name and Description Use No. 1 Torch, Oxy-fuel (acetylene, propane, etc.) Brazing 2 Torch Tips size No. 2 or 3 Brazing 3 Vacuum pump and gaging with 50-micron blank-off pressure. Alternately a pump Removing air having 28.5; HD minimum. from system 4 Refrigerant recovery system Removing refrig- erant from s

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E. 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. F. Disconnect anode wire from evaporator tank, then remove anode from holder in product coil basket. Discard old anode. Unit Without sealed evaporator tank. G. Disconnect agitator motor power cord. H. 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. I. Disconnect anod

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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 *SHIPPING POSITION PLATE GASKET PRODUCT COILS SUCTION LINE ASSEMBLY SLEEVE (ITEM 1) DISPENSING VALVE INSTALLATION POSITION SCREW (4) (ITEM 6) CUP REST SIDE PANEL RETAINING SCREW (4) DRIP TRAY ACCESS GR

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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. Remove refrigerant from the unit as follows: 2. At the compressor, install a tap line in the suction process line. 3. At the dual inlet drier, install a second tap line valve on the discharge process line. 4. Connect the tap

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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. STRAINER DRYER, DUAL INLET (item 8) must be installed during soldering operation. 14. Disconnect dry nitrogen from refrigeration system, then clean all flux from brazed joints wit

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B. 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. C. Install new ANODE (item 2) in product coil basket holder. D. Connect anode wire to evaporator tank using aluminum SHEET METAL SCREW (item 3). E. Install dispensing valves, plate gasket, and plate on unit and secure with shank nuts. F. Connect product lines to back of dispensing valve sleeves. G. Make sure rubber washers are in place on tank

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