Icetro IM-770-AN Supplemento

IM-770-AN/F INSTALL & SERVICE MANUAL

Ice Machine Specs

Receiving & Unpackaging

Dispensers

All equipment leaves our distribution points in new condition.

When receiving new equipment, please pay close attention to the packaging for

any damage to the crating. If there appears to be any exterior damage, please

either note the damaged on the delivery bill of lading OR refuse it.

Failure to note damage on BOL or refuse damaged equipment means

that the receiver accepts all liability for damaged equipment.

Damage

Proper Installation

ID-0770

Installation, Start Up, and Check

Please double check these items before install & start-up before calling for service.

(These items are not covered under your Labor Warranty)

1. Has all tape and packing materials been removed from Machine?

2. Is the unit installed in a location that is away from heat generating equipment or direct sunlight?

3. Is the unit level front to back and side to side? Adjustable legs on bins and dispensersmake this quick and easy.

4. Is the correct electrical power provided? Ensure the unit has the specified voltage and amperageand ison a dedicated circuit. Do not use a

drop cord or power strip with any ice machine. This could cause a voltage drop and compensatoryamperagespike or cause the circuit

breaker to trip.

5. Check drain line pipe sizes. Insurethey are ¾ inch and line drops ¼ inch per foot of run to insure both machine and bin drainage is

effective.

6. Is water supplied to the unit? Water Line size, 3/8 inch, must be supplied to ensure sufficient water flow is always available. Required

water pressure is 20 psi minimum and 80 psi maximum. This unit is designed to work with water temperatures of 50°F -90°F.

7. Is the unit installed in an area with sufficient ventilation at the back for properrejection of condenserheat? The manufacturer requires 17”

of clearance above the unit for maintenance and service. Additionally, 8” of clearance is required at the back and sides of the unit. Fresh

air is taken in from the front and left-side and dispelled from the back.

8. This unit is designed to work in ambient air temperatures of 50°F -100°F.

9. Scale or Mold build-up can affect the sequence of operation and production. Is a water filter installed? We recommend our exclusive

Citryne Pro Ice Filtration for the best results. Scale will increase operating costs and reduce or shut down the machine’s

performance.

10. Do not install this unit outdoors.

11. If you are installing an ice maker on top of an existing bin, check the bin to it insure it has a baffle in the bin to keep ice

from coming out of the bin door.

12. If you are installing the ice maker on top of a dispenser, the dispenser manufacturer must provide the top kit to prevent

leaks and bin problems. Additionally, an Icetro thermostat kit is required (ITS-150-KIT).

Ensure the ICE-OFF-WASH switch

is set to ‘ICE’.

Ice will begin to enter the ice storage bin

after 3 minutes of the compressor

& condenser fan being energized.

The size of your ice storage bin, plus

the ambient & water temps will

Determine how long it will

take to fill the bin. Proper Installation

IM-0770

Proper Installation

IM-0770

Install machine on an ice storage bin and ensure both are level to

eliminate improper operation.

Additionally, it is recommended to use the supplied seismic

brackets to secure the ice machine and bin together.

An air deflector is included with self-contained, air-cooled models

to prevent exhausted air from returning back to the condenser.

Seismic Bracket

Air Deflector

IM-0770

Sequence Of Operation

IM-0770-AN/AF Sequence of Operation

Start-Up Sequence

Power switch set to the “ICE” position:

•Gear motor, inlet water valve, and bypass valve is energized simultaneously.

•Bypass valve stays energized for 50 seconds.

•Bypass valve is de-energizes for 10 seconds.

•Compressor energizes and freeze cycle begins.

•Once the head pressure reaches 235 psig, the fan cycle switch closes and the fan motor energizes.

Shut-Down Sequence

Power switch set to the “OFF” position while in freeze:

•Compressor is de-energizes immediately.

•Head pressure drops to 175 psig & the fan cycle switch opens, de-energizing the fan motor.

•Gear motor de-energizes 1 minutes after the power switch is put in the “OFF” position.

Note: Sump remains full of water. Dump valve does not energize and drain, so the

sump remains full of water when the machine is off.

Shut-Down Sequence Via Bin Switch

Same as the previous shut-down sequence:

•When the bin-switch is made or broken, the machine starts or stops with nearly no delay (2 seconds max).

Purge Cycle (set for every 12 hours)

Total Cycle Time = 20 minutes:

•Compressor is de-energized. Dump valve energizes (emptying sump) and the gear motor remains energized.

•Approximately 5 minutes in, the gear motor is de-energized & the inlet water valve is energized, refilling the

sump and flooding the evaporator with water.

•19 minutes in, the dump valve is energized (draining all water).

•19.5 minutes in, the inlet water valve & gear motor is energized.

•20 minutes in, the compressor is energized.

•When head pressure reaches 230 psig, the fan motor is energized

Note: The machine drains & refills 2 times, not continuously.

IM-0770

LED Functions

IM-0770

Stopping the Ice Machine

Set the power switch on the front of the ice machine to the “OFF” position.

•While ice machine is underway, all refrigeration stops, but the motor

continues to run for an additional 60 seconds to protect the motor

from any remaining water or ice that may be in the cylinder.

•If the dump valve is energized and the machine is draining, the ice machine

will stop all operation once all draining has stopped.

•If “OFF” is selected less than 1 minute after “DRAIN” is selected, while

the machine is making ice, the motor will run for its remaining time

before all operation is stopped.

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