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Fig. 2

---

38HDR Unit Dimensions

38H

D

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Summary of Contents for 38HDR

Page 1: ...brazing operations Have fire extinguisher available Read these instructions thoroughly and follow all warnings or cautions included in literature and attached to the unit Consult local building codes...

Page 2: ...ee Fig 2 Locate unit so that condenser airflow is unrestricted on both sides Refer to Fig 2 Unit may be mounted on a level pad directly on base legs or mounted on raised pads at support points See Fig...

Page 3: ...1 13 16 3 4 1 16 1 2 1 2 0 8 1 2 1 6 7 8 0 3 7 16 0 6 1 2 1097 1131 9 433 4 468 3 774 7 498 5 893 4 1017 9 354 2 215 9 479 4 88 165 4 UNIT SIZE M OPERATING WT in mm lb kg 38HDR 018 5 8 15 88 166 75 8...

Page 4: ...n If any section of pipe is buried there must be a 6 in 152 4 mm vertical rise to the valve connections on the outdoor unit If more than the recommended length is buried refrigerant may migrate to coo...

Page 5: ...lves are closed from the factory and are ready for brazing After wrapping the service valve with a wet cloth the tubing set can be brazed to the service valve using either silver bearing or non silver...

Page 6: ...2 3 3 FPI 20 20 20 20 20 20 HIGH PRESSURE SWITCH Cut In psig Cutout psig 420 25 650 10 LOW PRESSURE SWITCH Low Cutout psig Low Cut in psig 20 5 45 25 REFRIGERANT LINES Connection Type Sweat Liquid Lin...

Page 7: ...unit as measured along the control voltage wires use No 16 AWG color coded wire to avoid excessive voltage drop NOTE All wiring must conform to NEC and local codes NOTE Operating unit on improper lin...

Page 8: ...al power source Copper wire must be used from service disconnect to unit 2 All motors compressors contain internal overload protection 3 In compliance with NEC U S A Standard requirements for multi mo...

Page 9: ...Heater COMP Compressor Motor EQUIP Equipment GND Ground HPS High Pressure Switch LPS Low Pressure Switch OFM Outdoor Fan Motor OL Overload TB Terminal Board Splice Field Terminal Marked Terminal Unma...

Page 10: ...isconnect switch Lock out and tag switch with a suitable warning label Outdoor Fan A reinforced wire mount holds the outdoor fan assembly in position See Fig 7 for proper mounting position 38HDR Unit...

Page 11: ...before brazing The service valve cannot be field repaired therefore only a complete valve or valve stem seal and service port caps are available for replacement Refrigerant Charging WARNING PERSONAL...

Page 12: ...9 58 7 3 13 72 160 56 2 13 44 262 86 9 30 50 364 110 0 43 33 466 128 7 53 72 596 148 4 64 67 60 8 6 13 00 162 57 0 13 89 264 87 4 30 78 366 110 4 43 56 468 129 0 53 89 600 149 0 65 00 62 10 0 12 22 16...

Page 13: ...02 62 34 60 33 58 32 56 31 54 30 52 29 208 64 36 62 34 60 33 58 32 56 31 54 30 215 66 37 64 36 62 34 60 33 58 32 56 31 222 68 38 66 37 64 36 62 34 60 33 58 32 229 70 39 68 38 66 37 64 36 62 34 60 33 2...

Page 14: ...r conditions Inspect coil monthly and clean as required Fins are not continuous through coil sections Dirt and debris may pass through first section become trapped between the row of fins and restrict...

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