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CNM SERIES ICE MAKER FREQUENTLY ASKED 

QUESTIONS

Installation Guide and Owner’s Manual

© 2018, Cornelius Inc.

- 19 -

Publication Number: 548000033

1. What is the factory float setting on a replacement float assembly?

Replacement float housings come with the high float set in the #1 position. The high float needs to be inserted, per 
the provided instruction, into the correct float setting of the machine receiving the replacement float assembly.

2. What is the factory high float setting on a new machine?

The CNM series float settings by nominal capacity are listed below

3. How do I adjust the ice bridge thickness?

The CNM series' bridge thickness may be adjusted by moving both a high and a low float.

The low float is used for fine bridge thickness adjustment via an adjustment arm. Turning this arm counter-clockwise 
lowers the float and increases bridge thickness. Rotating the arm clockwise raises the low float, decreasing bridge 
thickness.

A greater change to the bridge thickness than the low float adjustment can provide is possible by moving high float up 
or down one position. Moving the high float up increases bridge thickness, while moving this float down, decreases the 
bridge thickness.

4. Why is my new machine occasionally producing extra thick batches of ice?

When occasional thick batches of ice occur, the bridge thickness may be set too low. When a batch of ice does not 
have a thick enough bridge, it can split and only have half a batch fall into the ice bin. The curtain is opened and 
closed by this half batch, causing the machine to go back into freeze mode. The remaining ice from the previous cycle 
is added to the new batch of ice being formed, causing it to be especially thick.

5. Why causes the machine to produce cloudy/hazy ice?

   Cloudy ice is the result of impurities getting trapped as the ice forms. These impurities include dissolved mineral, 
chemicals, and air. These are a few items to consider if your machine is producing cloudy ice:

Verify the purge valve is operating correctly, and that the drain line inside the machine is not kinked or blocked in any 

way.

Use a vented drain line from the machine to the floor drain.

Change the machine to use the "High Purge" setting in areas with water that has an elevated concentration of 

dissolved minerals.

Avoid using water that has had phosphate added or is from a water softener.

Nominal Capacity

Half

Full

Grande

300lbs

#2

#3

-

400 through 600lbs

#8

#9

-

800 through 1100lbs

#3

#4

#5

1400lbs

#4

#5

-

Содержание NORDIC ELITE Series

Страница 1: ...R CNM 300 lb THROUGH 1400 lb CUBERS OWNER S MANUAL Release Date April 19 2018 Publication Number 548000033 Revision Date December 18 2018 Revision B Visit the Cornelius web site at http ice cornelius...

Страница 2: ...pair or the failure to utilize suitably qualified and trained per sons to perform service and or repair of the Product 10 improper cleaning 11 failure to follow installation oper ating cleaning or mai...

Страница 3: ...y 7 INSTALLATION GUIDELINES 8 Ambient Operating Temperature 8 Incoming Water Supply 8 Water Filtration Treatment 8 Drains 8 Clearance Requirements 9 Stacking 9 Dispenser Application 9 Electrical Speci...

Страница 4: ...16 CNM Control Board 16 START UP PROCEDURE 17 General Maintenance Procedure 18 CLEANING INSTRUCTION FOR CORNELIUS CNM SERIES ICE MACHINES 19 Chemicals for Descaling and Sanitizing 21 Cleaning Stainle...

Страница 5: ...icates a potentially hazardous situation which if not avoided MAY result in minor or moderate injury or equipment damage SAFETY TIPS Carefully read and follow all safety messages in this manual and sa...

Страница 6: ...or relocating the unit the unit must be sanitized and all sanitizing solution must be drained from the system A freezing ambient environment will cause residual sanitizing solution or water remaining...

Страница 7: ...manual as an aid to the service technician in installation and maintenance of the Nordic Series cube ice machines Do not attempt to perform installation start up or maintenance unless you have read a...

Страница 8: ...20 psi 1 4 bar 0 138MPa Maximum incoming water pressure 80 psi 5 5 bar 0 552MPa NOTE If water pressure exceeds 80 psi 5 5 bar a water pressure regulator must be installed All water supply lines must b...

Страница 9: ...ce machine is placed on a dispenser A bin top may or may not be required and should be secured to the dispenser ELECTRICAL SPECIFICATIONS Refer to the serial plate at the rear of the ice machine to ma...

Страница 10: ...that rises then falls then rises or a line set that falls then rises then falls REMOTE CONDENSER LOCATION Pre charged line sets are available in 25 40 or 75 foot length to connect the ice machine to...

Страница 11: ...Have the roofing contractor seal the holes in the roof per local codes CAUTION The couplings on the sets of pre charged lines are self sealing when installed properly Carefully follow the instruction...

Страница 12: ...c EQUIVALENT RUN CALCULATION EXAMPLES Formula for maximum equivalent run RISE x 1 7 DROP x 6 6 HORIZONTAL RUN EQUIVALENT RUN NOTE NOT TO EXCEED 100 CALCULATED FEET Rise 35 ft x 1 7 40 ft 99 5 equivale...

Страница 13: ...T C Hole for electrical connections 7 8 D Electrical junction box 7 8 Figure 3 CNM 22 W R 0 5 6 Water Remote Cooled A Ice maker potable water in 3 8 FPT B Ice maker water out 3 4 FPT C Hole for electr...

Страница 14: ...rical connections 7 8 D Electrical junction box 7 8 Figure 5 CNM 30 W R 0 5 6 Water Remote Cooled A Ice maker potable water in 3 8 FPT B Ice maker water out 3 4 FPT C Hole for electrical connections 7...

Страница 15: ...rical connections 7 8 D Electrical junction box 7 8 Figure 7 CNM 48 W R 6 Water Remote Cooled A Ice maker potable water in 3 8 FPT B Ice maker water out 3 4 FPT C Hole for electrical connections 7 8 D...

Страница 16: ...Sump At the conclusion of Anti Slush the unit will continue in freeze mode until the Low Water Float is satisfied closes indicating the formation of a full slab of Ice on the Evaporator and will star...

Страница 17: ...n of CNM Series Cuber in this manual Check operation of each component through the cycle as explained in this section Figure 10 Bridge Thickness Adjustment Once the unit has gone through a harvest cyc...

Страница 18: ...in Sump See Figure 11 for proper water level and adjustment procedure 4 Clean the condenser air cooled machines to ensure unobstructed air flow 5 Check for leaks of any kind water refrigerant oil etc...

Страница 19: ...and slime The manufacturer requires a nickel safe sanitizer such as Nu Calgon IMS III or equivalent diluted per manufacturer s instructions CAUTION Do not mix cleaner descaler and sanitizer together N...

Страница 20: ...soft cloth the evaporator water spillway water distributor upper evaporator cover lower evaporator curtain and all splash surfaces Verify that all residue and residual miner als have been removed 16 I...

Страница 21: ...oking like new 1 Clean the stainless steel and aluminum thoroughly once a week Clean frequently to avoid build up of hard stubborn stains Hard water stains left to sit can weaken the metals corrosion...

Страница 22: ...ice is off of the evaporator s If ice is being made initiate harvest by pressing the Power Button for approximately 3 seconds The unit will shut off automatically following the harvest 3 Disconnect th...

Страница 23: ...ness while moving this float down decreases the bridge thickness 4 Why is my new machine occasionally producing extra thick batches of ice When occasional thick batches of ice occur the bridge thickne...

Страница 24: ...ilable on the inside of the left panel of the machine but a basic description is as follows Solid or Blinking Blue A blue light indicates the machine is operating normally It could be making ice waiti...

Страница 25: ......

Страница 26: ...Cornelius Inc www cornelius com...

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