Related Manuals for Quietside QSCU-361
Summary of Contents for Quietside QSCU-361
- Page 1 QSCU Series Installation & Service Manual 8750 Pioneer Blvd. Santa Fe Springs, CA 90670 Phone: 562-699-6066, Fax: 562-699-4351 www.quietside.com 6 Pine Hill Dr, Carlisle PA 17013 Phone: 717 243 2535, Fax: 717 243 7917...
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Page 2: Note To Installer
Report all Shipping Damage to Carrier IMMEDIATELY, Check units and box exterior for damage Note to Installer This manual to is to aid the qualified HVAC contractor in the Installation and Maintenance of this Quietside R410a Side Discharge Condensing unit... -
Page 3: Installer Supplied Items
Ensure that all panels can be removed for service as required Certifications Safety All Quietside QSCU Side Discharge Units are certified under UL Standard 1995 by ETL for sale in both US and Canada Performance Performance is certified by our pending certification under the ARI 210/240 Program... -
Page 4: Unit Installation
Low Ambient Controller : ICM 326H must be used in Data Room or Commercial applications For a wiring diagram please contact Quietside or follow general diagram supplied with ICM Controller Probe must be located in the fin pack or on a return bend that measures approx 100 DegF during normal... - Page 5 Always locate the units in line or facing each other Airflow on the Quietside QSCU is reversed to reduce noise levels with the condenser fan sucking in intake air and exhausting it through the condenser coil side of the unit...
- Page 6 INSTALL A LIQUID LINE SIGHT GLASS & R410A FILTER DRIER IN THE SYSTEM Run the line set to the Indoor unit, avoid tight bends and kinking the lines. Quietside does not recommend the use of "Street Elbows" to make bends, this is due the pressure drop incurred with these.
- Page 7 Installation and Maintenance Manual Unit Installation (Cont) Step 4 Connect Refrigerant Line Set Piping Flow nitrogen or other inert gas through piping while brazing to prevent formation of copper oxide. To avoid damage while brazing, service valves need to be wrapped with a heat-sink material such as a wet cloth to prevent possible damage to the valve seals Field piping and fan coil must be leak tested before...
- Page 8 Breaker size and wiring must be sized for the rating plate amperage, MCA and MOP If a smaller than required breaker is used possibility of unit damage etc could occur Use only HACR type breakers, each system installed must have a separate branch circuit with an individual breaker/fuse QSCU-361 QSCU-481 QSCU-601 Power Voltage...
- Page 9 The basic system installation is now complete The unit is now ready for start up - Use this time to ensure that worksite is tidy. Quietside recommend the use of Slimduct products to hide the refrigerant line set interconnects - available from your Quietside distributor...
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Page 10: Unit Start Up
Remove the brass caps from the Service Valves to access the valve stems. Service Valve Wrench size Suction Valve Liquid Valve QSCU-361 QSCU-481 QSCU-601 Open the service valves to flood the system with refrigerant. Unscrew both valve stems until they come to a stop against the valve body, replace the Brass Caps and then tighten the caps to prevent leaks. -
Page 11: Troubleshooting
Installation and Maintenance Manual Troubleshooting No Cooling 1 Check for a cooling signal from the Indoor unit or thermostat, 24V AC should be present at the Y and C terminals at the Outdoor unit' If 24V AC is not present, check that the thermostat or Indoor unit is calling for cooling 2 If 24V AC is present, check to ensure compressor contactor is energized, if contactor is not energized, check for voltage at the contactor coil, if voltage is present, but contactor is not pulled in, then contactor is faulty and should be replaced... -
Page 12: Unit Dimensions
Unit Dimensions UNIT MODELS ″ ″ ″ ″ 47 ¼” 17 3/4 30 15/16 QSCU-361 (1200) (956) (450) (506) (786) ″ ″ 43 ½” 47 ¼” 17 3/4 36 7/8” QSCU-481/601 (1106) (1200) (936) (450) (506) NOTE : Dimensions shown in feet-inches. () are millimeters. - Page 14 Parts List : QSCU-361/481/601 Q'TY CODE No. Description Specification QSCU-361 QSCU-481 QSCU-601 KC2001 TOP COVER SECC KC2009 SIDE FRAME SECC KC2019 KC1001 FRONT COVER SECC KC1002 KC2011 FAN GUARD SWRM KC2005 FAN COVER SECC KC2016 KC3005 FAN ASS'Y KC3034 FAN MOTOR ASS'Y...
- Page 16 8750 Pioneer Blvd, Santa Fe Springs CA 90670 Tel:562 699 6066, Fax:562 699 4351 6 Pine Hill Dr, Carlisle PA 17013 Tel : 717 243 2535, Fax : 717 243 7917 www.quietside.com Due to Quietside's policy of on-going product development specifications are subject to change without notice Quietside QSCU IOM Issue 1, 5-15-2008...
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