66901 / 035-20393-001 Rev. C (1204)8 Unitary Products GroupSECTION VIII: SYSTEM START-UPINDICATIONS OF PROPER OPERATIONCooling1. The outdoor fan should be running, with warm air being dis-charged from the top of the unit.2. The indoor blower (furnace or air handler) will be operating, dis-charging cool air from the ducts. Coils or other parts in the air cir-cuit should be cleaned as often as necessary to keep the unitclean. Use a brush, vacuum cleaner attachment, or other suitablemeans.3. The vapor line at the outdoor unit will feel cool to the touch.4. The liquid line at the outdoor unit will feel warm to the touch.Instructing the OwnerAssist owner with processing warranty cards and/or online registration.Review Owners Manual, provide a copy to the owner, and provide guid-ance on proper operation and maintenance. Instruct the owner or theoperator how to start, stop, and adjust temperature setting.The installer should also instruct the owner on proper operation andmaintenance of all other system components.Maintenance1. Dirt should not be allowed to accumulate on the outdoor coils orother parts in the air circuit. Clean as often as necessary to keepthe unit clean. Use a brush, vacuum cleaner attachment, or othersuitable means.2. The outdoor fan motor is permanently lubricated and does notrequire periodic oiling.3. If the coil needs to be cleaned, it should be washed with CalgonCoilclean (mix one part Coilclean to seven parts water). Allowsolution to remain on coil for 30 minutes before rinsing with cleanwater. Solution should not be permitted to come in contact withpainted surfaces.4. Refer to the furnace or air handler instructions for filter and blowermotor maintenance.5. The indoor coil and drain pan should be inspected and cleanedregularly to prevent odors and assure proper drainage.IT IS UNLAWFUL TO KNOWINGLY VENT, RELEASE OR DIS-CHARGE REFRIGERANT INTO THE OPEN AIR DURINGREPAIR, SERVICE, MAINTENANCE OR THE FINAL DIS-POSAL OF THIS UNIT.WHEN THE SYSTEM IS FUNCTIONING PROPERLY ANDTHE OWNER HAS BEEN FULLY INSTRUCTED, SECURETHE OWNER’S APPROVAL.TABLE 1: R-410A Saturation PropertiesTEMP. °F PRESSUREPSIG TEMP. °F PRESSUREPSIG TEMP. °F PRESSUREPSIG TEMP. °F PRESSUREPSIG TEMP. °F PRESSUREPSIG45 129.70 60 169.60 75 217.40 90 274.10 105 340.5046 132.20 61 172.60 76 220.90 91 278.20 106 345.3047 134.60 62 175.50 77 224.40 92 282.30 107 350.1048 137.10 63 178.50 78 228.00 93 286.50 108 355.0049 139.60 64 181.60 79 231.60 94 290.80 109 360.0050 142.20 65 184.60 80 235.30 95 295.10 110 365.0051 144.80 66 187.70 81 239.00 96 299.40 111 370.0052 147.40 67 190.90 82 242.70 97 303.80 112 375.1053 150.10 68 194.10 83 246.50 98 308.20 113 380.2054 152.80 69 197.30 84 250.30 99 312.70 114 385.4055 155.50 70 200.60 85 254.10 100 317.20 115 390.7056 158.20 71 203.90 86 258.00 101 321.80 116 396.0057 161.00 72 207.20 87 262.00 102 326.40 117 401.3058 163.90 73 210.60 88 266.00 103 331.00 118 406.7059 166.70 74 214.00 89 270.00 104 335.70 119 412.20