ITV NDP20 Maintenance

NDP20 ICE MAKER MAINTENANCE

1. AIR CONDENSER CLEANING:

1. Disconnect the unit from the electricity.
2. Clean condenser using a vacuum cleaner, soft brush or low pressure air. Clean
from top to bottom, not side to side. Be careful not to bend the condenser fins.
3. Connect the unit to the electricity.

2. WATER CONDENSER CLEANING:

1. Disconnect the unit from the electricity.
2. Closet the inlet water faucet.
3. Disconnect the condenser water inlet and outlet .
4. Prepare the cleaning product Calklin or a solution with 50% phosphoric acid
and distilled water. Do not use hydrochloric acid. We recommend using the
cleaning product Calklin. The mixture is more effective if the water is between
35ºC and 40ºC. Flow the solution through the condenser for about 10 minutes
using a recirculating pump.
5. Empty the product from the condenser and connect the condenser water intlet
and outlet.
6. Open the water faucet.
Connect the unit to the electricity.

3. WATER FILTER REPLACE

1. Disconnect the unit from the electricity.
2. Closet the inlet water faucet.
3. Close de faucets before and after the filter.
4. Remove the old cartridge and replace it with a new one.
5. Open all the closed faucets.
6. Connect the unit to the electricity.

4. WATER CIRCUIT CLEANING:

1. Switch off the the unit with the main switch.
2. Remove the top cover.
3. Place the overflow pipe. Remove the evaporator cover.
4. Prepare a solution of 50% phosphoric acid in distilled water. Do not use
hydrochlorate acid.
5. Pour slowly this solution in the upper part of the evaporator, until it overflows in
the water tray. The mixture is more effective with the water between 35ºC. and
40ºC.
6. Let solution stand for 10 minutes.
7. Remove the overflow pipe and wait until the tray is empty. Put again the overflow
pipe. (In machines provided with discharge valve should be activated manually).