Lennox-international-inc 2SCU13 User Manual

# 48283B006 Page 1Save these instructions for future referenceINSTALLATION AND MAINTENANCEINSTRUCTIONS2SCU13 SeriesSplit System Air ConditionerSharp m

Page 10 # 48283B006If the system is void of refrigerant, clean the system usingthe procedure described below.1. Use dry nitrogen to pressurize the sys

# 48283B006 Page 11Charge Using Weigh-In Method (Fixed Orifice/TXVSystems)If the system is void of refrigerant, or if the outdoor ambienttemperature i

Page 12 # 48283B006Pressures higher than those listed indicate that thesystem is overcharged. Pressures lower than thoselisted indicate that the syste

# 48283B006 Page 13Normal Operating PressuresTable 9lioCroodtuOriAgniretnEerutarepmeTledoM81- 42- 03- 63- 24- 84- 06-L S L S L S L S L S L S L S)VXT(e

Page 14 # 48283B006OPERATIONOutdoor unit and indoor blower cycle on demand from theroom thermostat. When the thermostat blower switch ismoved to the O

# 48283B006 Page 155. Check for correct voltage at unit (with unit operating).6. Check amp-draw on blower motor.Unit nameplate _________ Actual _____

Page 16 # 48283B006Figure 12HCF1DESCRIPTIONKEY COMPONENTA4 CONTROL - TIMED OFFB1 COMPRESSORB4 MOTOR - OUTDOOR FANC12 CAPACITOR - DUALHR1 HEATER - COMP

# 48283B006 Page 17Figure 13Three Phase Wiring Diagram P/N 48436-001B4OUTDOORFANC1OUTDOOR FANCAPACITORA4TIMED OFFCONTROL(IF USED)PURPLEBLACKORANGEBLAC

Page 18 # 48283B006Limited WarrantyAugust 1, 1997This warranty gives you specific legal rights and you may have other rightswhich vary from state/prov

Page 2 # 48283B006INSTALLATIONLocation of UnitOutdoor units operate under a wide range of weatherconditions; therefore, multiple factors must be consi

# 48283B006 Page 3Figure 2Slab Mounting2° or 2" per 5' slope tolerance away from buildingstructure.Discharge AirMounting SlabGround LevelBui

Page 4 # 48283B006Table 2Refrigerant Line Set Diameters (in.)For installations exceeding 50', contactTechnical Services at (419) 483-4840.eniLnoi

# 48283B006 Page 5Figure 6To hang line set from joist or rafter,use either metal strapping materialor anchored heavy nylon wire ties.Strapping Materi

Page 6 # 48283B006Figure 8Refrigerant Line Sets: Installing Vertical Runs (new construction shown)Outside WallWood BlockBetween StudsIMPORTANT: Refrig

# 48283B006 Page 7To install an expansion valve (see Figure 9):1. Separate the distributor assembly and remove thepiston orifice and used teflon seal.

Page 8 # 48283B006To Close Liquid or Suction Line Service Valve:1. Remove the stem cap with an adjustable wrench.2. Use a service wrench with a hex-he

# 48283B006 Page 95. Evacuate the line set and indoor unit to a minimum of 500microns or lower. During the early stages of evacuation, itis desirable