Page 2 - UNIT; NOTES
«6» CLEARANCES FOR SERVICE AND AIRFLOW, ALLOW 6 IN. ABOVE UNIT. T 6 IN. H HORIZONTAL AIR DISCHARGE HIGH VOLTAGE 1-1/8' DIA. F1^ © T ¥ f : [^¡©[Hlir ®DlS)i W O i W UNIT WEIGHT A B C 38HD018 (67 1 kg) 148 lbs (329) r-1" (15 88) %" (9 53) %" 38HD024 (72 6 kg) 160 lbs (329) r- 1 " (15 88...
Page 4 - CAUTION
RETAINER FLARE NUT Table 1 — AccuRater Optimization Chart FLARE CONNECTION TYPE A (Arrow on AccuRater body points in metering direction.) (Arrow on AccuRater body points in free flow direction.) Fig. 4 — AccuRater® (Bypass Type) Components Step 2 — Rig and Mount Unit MOUNTING ON GROUND — Mount on a ...
Page 5 - Table 2 — Physical Data; Do not use a receiver; Step 4 — Complete Electrical Connections
Table 2 — Physical Data UNIT 38HD 018 024 030 036 048 060 OPER WT (lb), 1 ph/3 ph 148/* 160/* 171/* 240/226 244/235 244/235 REFRIGERANT R-22 COMPRESSOR Model Oil (pts), initial/recharge Crankcase Heater Watts Hermetic Tecumseh I Tecumseh | Carlyle I Carlyle I Carlyle AW5519 AW5524 J30 | J36 | J48 32...
Page 6 - HC; Fig. 6 — Typical Control Circuit Connections; TB; Do not; WARNING; Fig. 7 — Line Power Connections
________ I ARRANGEMENT A-(COOLING ONLY) ARRANGEMENT B-ONE TRANSFORMER (COOLING AND ONE-STAGE HEATING) ARRANGEMENT C-ONE TRANSFORMER (COOLING AND TWO-STAGE HEATING) *IFR and IFM are located in furnace on heating-cooling applica tions If accessory IFR is required for cooling-only applications, locate...
Page 7 - Preliminary Checks; Before starting unit, crankcase heater must he on for; Evacuate and Dehydrate; A CAUTION
Table 3 — Electrical Data (60 Hz) OUTDOOR UNIT 38HD V/PH OPER VOLTS* COMPR FAN FLA MCA MAX FUSE OR HACR TYPE CKT BKR AMPS Max Min LRA RLA 018024030 036048060 208/230-1 254 187 52 0 60.0 65 0 82 0 127 0 135 0 84 10.6 13.5 165 25 0 30.7 .70 70 70 1 45 1 45 1.45 120 140 180 22 0 33 0 40 0 15 2030 35506...
Page 8 - UNIT SIZE
Charge System — Release holding charge into sys tem by opening (backseating) liquid and suction line service valves. Add charge amount as required for the total system. See Table 1. For indoor sections not in cluded in Table 1, see Refrigerant Charging. To Start Unit — Assuring that crankcase heat...
Page 9 - Refrigerant Charging; Table 4 — Superheat Charging Table; OUTDOOR; Time Guard® II Device
field repaired, therefore only a complete valve or valve stem and service port caps are available for replacement. AccuRater® (Bypass Type) Servicing — See Fig. 4 for bypass type AccuRater components. The piston has a refrigerant metering hole through it. The retainer forms a stop for the piston in ...
Page 10 - Tl
Tl T2 3 SEC h OPERATING TIME 5MIN- BLK DENOTES CLOSED CONTACTS Fig. 9 — Time Guard II Sequence Chart COMPRESSOR LOCKOUT <D Q <1>-BLU- (p d l-BRN BRN—(COMMON TO THERMOSTAT Fig. 10 — Wiring Diagram See Fig. 10. Wire the device in series between the compressor lockout (CLO) and the unit thermo...
Page 11 - TROUBLESHOOTING CHART — COOLING CYCLE