V. REMOVAL AND REPLACEMENT OF COMPONENTS
1. SERVICE FOR REFRIGERANT LINES
[a] REFRIGERANT RECOVERY
The icemaker unit is provided with two Refrigerant Access Valves on the
[b]EVACUATION AND RECHARGE
1)Attach Charging Hoses, a Service Manifold and a Vacuum Pump to the system. For models with the Line Valve, be sure to connect Charging Hoses to both
2)Turn on the Vacuum Pump.
3)Allow the Vacuum Pump to pull down to a 29.9" Hg vacuum. Evacuating period depends on pump capacity.
4)Close the
5)Disconnect the Vacuum Pump, and attach a Refrigerant Service Cylinder to the Low- side line. Remember to loosen the connection, and purge the air from the Hose. See the Nameplate for the required refrigerant charge. Hoshizaki recommends only virgin refrigerant or reclaimed refrigerant which meets ARI Standard No.
6)Open the
7)Turn on the icemaker when charging speed gets slow. Turn off the icemaker when the
8)Repeat the above steps 4) through 7), if necessary, until the required amount of refrigerant has entered the system.
9)Close the two Refrigerant Access Valves, and disconnect the Hoses and Service Manifold.
10) Cap the Access Valves to prevent a possible leak.
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