Part Number 040005626 5/17 109
CHARGING PROCEDURES
1. Cycle the toggle switch Off.
2. Close the vacuum pump valve, the low side
manifold gauge valve.
3. Open the high side manifold gauge valve.
4. Open the charging cylinder and add the proper
refrigerant charge (shown on nameplate) through
the discharge service valve.
5. Let the system “settle” for 2 to 3 minutes.
6. Cycle the toggle switch On.
7. Close the high side on the manifold gauge set.
NOTE: Manifold gauge set must be removed properly
to ensure that no refrigerant contamination or loss
occurs.
8. Make sure that all of the vapor in the charging
hoses is drawn into the ice machine before
disconnecting the charging hoses.
A. Run the ice machine in freeze cycle.
B. Open the high and low side valves on the
manifold gauge set. Any refrigerant in the
lines will be pulled into the low side of the
system.
C. Disconnect the low loss fitting while the ice
machine is in the freeze cycle and install the
caps.
D. Check for leaks using an electronic leak
detector.
The charge is critical on all Manitowoc machines.
Use a scale or a charging cylinder to ensure the
proper charge is installed.
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