Page 2 - Connection Recommendations; When making piping connections, be sure to provide; Connect; bottoms; Table 2 — Accessories; *Suction line is insulated and has a 90 bend at one end
tubing not available for 38GR006.) See Table 2 for accessory tubing sizes and Table 3 for recommended field-supplied tubing sizes. (Where evaporator is 20 ft or more below condensing unit, reduce liquid line size one diameter — min 1/4-in. OD.) A capacity reduction results if accessory tubing is use...
Page 3 - Table 3 — Field-Supplied Piping Data; — Capillary Tube; TXV; — Thermal Expansion Valve; SERVICE DOOR
Table 3 — Field-Supplied Piping Data COND UNIT REFRIG CONTROL MAX COND UNIT HT (ft) REFRIGERANT LINE LENGTH (ft) 25-50 51-75 76-100 101-125 126-150 Above Evap Below Evap Line Diameter (in. OD) Suet Liq Suet Liq Suet Liq Suet Liq Suet Liq 38GR002 TXV 90 90 % V 4 Vs V 4 Vs V 4 Vs V 4 Vs Cap. Tube or A...
Page 4 - Table 4 — Electrical Data; Corresponding wire sizes and wire lengths; FLA; — Full Load Amps; LRA; — Locked Rotor Amps; A—A Splice Connections; Fig. 2 — Line Power Connections; For aluminum wire splices use
Table 4 — Electrical Data COND UNIT V/PH OPER VOLTS* COMPR FAN BRANCH CIRCUIT LRA FLA FLA WireSizet (AWG) Max Ftt Wire Fuse Ampst Max Min 38GR002--- 72.0 14.8 1.0 12 32.0 30 38GR0023I0 72.0 14.8 1 0 12 1. ' 32 0 30 38GR003--- 90.0 19.2 1.1 10 39 0 40 38GR003310 90.0 19.2 1.1 10 39.0 L 40 38GR004--- ...
Page 6 - evaporator temper
necessaiy, refer to Carrier Standard Service Techniques Manual, Chapter 1, for system evacuation-dehydration instructions. When 38GR,SE condensing units are connected to other than a Carrier evaporator, evacuate system and weigh in charge shown in Table 5 or use sight glass method of recharging. D» ...
Page 7 - Ml
Table 6 — Refrigerant Charging Methods (Carrier Approved Systems) COND UNIT ; METHODS OF CHECKING OR ADJUSTING CHARGE METHODS FOR COMPLETE RECHARGING System Refriqerant Control System Refrigerant Control AccuRater^M Capillary Tube TXV AccuRater Capíllary Tube TXV 38GR Chargemaster® Charging Chart e...
Page 8 - OUTDOOR; Example; af; fipataeat awtsstsi 'tslve vpiit; type
Table 8 — Chargemaster® Charging Chart (38SE Capillary Tube or AccuRater^'^ Systems) OUTDOOR TEMP (F) EVAPORATOR TEMP (F) 32| 34 1 36 38 40 42 im 46 |48 50 52 54 Suction Line Temperature (F) 60 60 — - 65 4% 58 65 70 41 48 58 68 70 m 75 35 41 48 58 68 — 80 31 36 .42 50 59. 69^ "To” ' !------- w. ...
Page 9 - CONTROL CIRCUIT TROUBLESHOOTING CHART; priJiesisiya «¡«tmi sys^era; ad; fofs
CONTROL CIRCUIT TROUBLESHOOTING CHART sm^ag tssAs^ssrim- & ^ priJiesisiya «¡«tmi sys^era biw<S, Sb«'! ad fea- fofs wvi<sa o m m x iix ^ |b«sC8!^ of isssancaof higff volisga). Before attempting any corrective action, wait 8 minutes after power is supplied to permit CPCS time delay period to...
Page 10 - pull probes away after; Unit Single-Phase Compressors; COND; Fig. 8 — 38GR Condensing Unit with Service Door Open; shown italicized; * Refer to Service Parts catalog for replacement compressor model; The 38GR.SE single-phase compressors include start
Carrier Standard Service Techniques Manual, Chapter 2, for details. Use a 130 mfd start capacitor. Connect wires with insulated probes to each capacitor terminal. Touch probes to each side of run capacitor or to compressor motor terminals R and S. Start compressor; pull probes away after 3 seconds. ...
Page 12 - TROUBLESHOOTING CHART*; For replacement items use Carrier Specified Parts.
TROUBLESHOOTING CHART* Condenser Fan On Condenser Air Restricted Condenser Air Recirculating Noncondensables in System Refrigerant Overcharge Improper Line Voltage Refrigerant System Restriction Loose Electric Connections Faulty Run Capacitor Condenser Fan Off Fan Slipping on Shaft Loose Electric Co...