Manitowoc QD0322A Use And Care Manual

Also see for QD0282A: Use and care manual Service manual

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Manitowoc QD0322A Use And Care Manual Manual pdf 30 page image

Installation Instructions Section 22-16 Part No. 80-1375-3LENGTHENING OR REDUCING LINE SET LENGTHSIn most cases, by routing the line set properly,shortening will not be necessary. When shortening orlengthening is required, do so before connecting the lineset to the ice machine or the remote condenser. Thisprevents the loss of refrigerant in the ice machine orcondenser.The quick connect fittings on the line sets are equippedwith Schraeder valves. Use these valves to recover anyvapor charge from the line set. When lengthening orshortening lines, follow good refrigeration practices andinsulate new tubing. Do not change the tube sizes.Evacuate the lines and place about 5 oz (143g) of vaporrefrigerant charge in each line.CONNECTING A LINE SET1. Remove the dust caps from the line set, condenserand ice machine.2. Apply refrigeration oil to the threads on the quickdisconnect couplers before connecting them to thecondenser.3. Carefully thread the female fitting to the condenseror ice machine by hand.4. Tighten the couplings with a wrench until theybottom out.5. Turn an additional 1/4 turn to ensure proper brass-to-brass seating. Torque to the followingspecifications:6. Check all fittings for leaks.REMOTE RECEIVER SERVICE VALVEThe receiver service valve is closed during shipment.Open the valve prior to starting the ice machine.1. Remove the top and left side panels.2. Remove the receiver service valve cap.3. Backseat (open) the valve.4. Reinstall the cap and panels.Backseating the Receiver Service ValveLiquid Line Discharge Line10-12 ft lb.(13.5-16.2 N•m)35-45 ft lb.(47.5-61.0 N•m)SV1603REMOVE FRONT, TOP,AND LEFT SIDE PANELFOR ACCESS TORECEIVER VALVETURNCOUNTERCLOCKWISE TOOPENRECEIVER SERVICEVALVE CAP (TURNCOUNTERCLOCKWISE TOREMOVE)