1420 80TH ST SW D BIRDWELL MACHINE 2025-03-11

.c N 2-2.Selection of copper and heat insulation materials When using commercial copper pipes and fittings,observe the following: Gas pipe Inter-unit wire • Insulation material: Polyethylene foam Liquid pipe Heat transfer rate: 0.041 to 0.052W/mK(0.024 to 0.030Btu/fth°F(0.035 to 0.045kca1/mh°C)) O D Be sure to use insulation that is designed for use with HVAC Systems. • ACR Copper only. Gas pipe Liquid pipe insulation insulation Finishing tape Drain hose • Be sure to insulate both the gas and liquid piping and observe the insulation dimensions as below. Piping size Minimum bend radius Piping thickness Thermal insulation size Thermal insulation thickness O.D.3/8 inch 1-3/16 inch(30mm) I.D.15/32-19/32 inch (9.5mm) or more 0.031 inch(0.8mm) (12-15mm) O.D.1/2 inch 1-9/16 inch(40mm) (C1220T-O) I.D.9/16-5/8 inch Gas side (12.7mm) or more (14-16mm ) 13/32 inch O.D.5/8 inch 1-15/16 inch(50mm) 0.039 inch(1.0mm) I.D.5/8-13/16 inch (10mm)Min. (15.9mm) or more (C1220T-O) (16-20mm) Liquid side O.D.1/4 inch 1-3/16 inch(30mm) 0.031 inch(0.8mm) I.D.5/16-13/32 inch (6.4mm) or more (C1220T-O) (8-10mm) • Use separate thermal insulation pipes for gas and liquid refrigerant pipes. Installation Tips 1 . Removing and installing the front panel • Removal method 1 Placeyour fingers in the indentations on the main unit(one each on Indentations on g the main unit the left and right sides), and open the front panel until it stops. —ram • fI tj\\40,.. at 2) While pushing the left side front panel shaft outward, push up the Front panel shaft front panel and remove it.(Remove the right side front panel shaft in the same manner.) 3)After removing both front panel shafts, pull the front panel toward yourself and remove it. 1 7/111— ill ia�r • Installation method Align the shaft of the front panel with the grooves of grill, and push all the way in, then close slowly.Push the center of the lower panel surface firmly to engage the hooks. •English ///` 10