Carrier 38AKS028-044 - Manuals

Page 3 - Fig. 2 — Rigging with Spreader Bars

Placing Unit — There must be 4 ft (1220 mm) for ser- vice on all sides of unit, and a minimum of 8 ft (2440 mm)clear air space above unit. For multiple units, allow 8 ft(2440 mm) separation between units for airflow and service. Mounting Unit — When unit is in proper location, use of mounting holes ...

Page 4 - Fig. 3 — Compressor Mounting; TXV — Thermostatic Expansion Valve; Filter Drier(s) and Sight Glass Locations

Receiver — No receiver is provided with the unit; it is recommended that one not be used. Piping Procedure — Do not remove run-around pipe from suction and liquid line stubs until piping connectionsare ready to be made. Pass nitrogen or other inert gas throughpiping while brazing, to prevent formati...

Page 5 - Table 2A — Refrigerant Piping Sizes — 60 Hz; Table 2B — Refrigerant Piping Sizes — 50 Hz; SINGLE SUCTION RISERS; MAXIMUM LIQUID LIFT

Table 2A — Refrigerant Piping Sizes — 60 Hz SINGLE SUCTION RISERS UNIT 38AKS LENGTH OF INTERCONNECTING PIPING, FT (M) 16-25 (4.9-7.6) 26-50 (7.9-15.2) 51-75 (15.5-22.8) 76-100 (23.2-30.5) 101-200 (30.8-60.9) L S L S L S L S L S 028 7 ⁄ 8 1 5 ⁄ 8 7 ⁄ 8 2 1 ⁄ 8 * 7 ⁄ 8 2 1 ⁄ 8 * 7 ⁄ 8 2 1 ⁄ 8 * 7 ⁄ 8 ...

Page 6 - Power Supply —; Electrical characteristics of available; Power Wiring —; All power wiring must comply with; Terminals for field power supply are suitable for copper,; Table 3 — Electrical Data

Power Supply — Electrical characteristics of available power supply must agree with unit nameplate rating. Supplyvoltage must be within limits shown in Table 3. IMPORTANT: Operating unit on improper supply volt-age, or with excessive phase imbalance, constitutes abuseand may affect Carrier warranty....

Page 8 - — Variable Air Volume; UNIT

Fig. 6 — Dimensional Drawing, 38AKS028,034 LEGEND NEC — National Electrical CodeVAV — Variable Air Volume NOTES:1. There must be minimum (2440 mm) 8 ft. clear air space above unit. 2. The approximate operating weight of the unit is: 50 AND 60 HZ UNIT WT (Lb) WT (Kg) 38AKS028 1650 748 38AKS028C 1804 ...

Page 18 - COMPRESSOR END AND RIGHT-SIDE VIEW; COMPRESSOR END, CONTROL PANEL REMOVED; Fig. 13 — 38AKS Unit with Access Panels Removed

COMPRESSOR END AND RIGHT-SIDE VIEW TRAN2 CB1 CB2 TB3 FC3 FC2 FC CM CR1 TRAN1 TB2 C1 COMPRESSOR END, CONTROL PANEL REMOVED OIL PRESSURE SAFETY SWITCH COMPRESSOR END, LEFT-SIDE ACCESS DOOR (JUNCTION BOX COVER REMOVED) LIQUID LINESERVICEVALVE COMPRESSOR END, RIGHT-SIDE ACCESS DOOR Fig. 13 — 38AKS Unit ...

Page 19 - Compressors are factory charged with oil; COMPRESSOR; When additional oil or a complete charge is required, use; Liquid Shutoff/Charging Valve —; Valve is located; Capacity Control —; Capacity control is by 2 suction; Fig. 14 — Location of Prop on Motor Shaft from

Fan Adjustment — Adjust fan as shown in Fig. 14. Oil Charge — Compressors are factory charged with oil as follows: COMPRESSOR AMOUNT pints (liters) 06E9265 20.0 (9.4) 06E9275 20.0 (9.4) 06E9299 19.0 (9.0) When additional oil or a complete charge is required, use only Carrier-approved compressor oil:...

Page 20 - The OPS in; Compressor Protection; Bypass relay timer bypasses; Head Pressure Control —; Control maintains ad-; Table 5 — Minimum Outdoor-Air; The ATS is located in the lower divider panel between the; Table 6 — Fan Cycling Controls

Oil Pressure Safety Switch (OPS) — The OPS in the control circuit stops the compressor and unit, if properoil pressure differential is not established at start-up or main-tained during operation. If OPS stops the unit, determine thecause and correct before restarting unit. Failure to do so willconst...

Page 21 - TROUBLESHOOTING

TROUBLESHOOTING SYMPTOM AND PROBABLE CAUSE PROBABLE REMEDY COMPRESSOR DOES NOT RUN 1. Control circuit breaker tripped 1. Reset control circuit breaker 2. Power line open 2. Reset circuit breaker 3. Oil pressure switch tripped 3. Reset oil pressure switch at unit 4. Safety device tripped 4. Reset con...

Page 22 - PACKAGED SERVICE TRAINING

PACKAGED SERVICE TRAINING Our packaged service training programs provide an excellent way to increase your knowledge of theequipment discussed in this manual. Product programs cover: • Unit Familiarization• Installation Overview • Maintenance• Operating Sequence A large selection of product, theory,...

Page 23 - A. Preliminary Information; OUTDOOR UNIT

START-UP CHECKLIST (Remove and store in job file) A. Preliminary Information OUTDOOR: MODEL NO. SERIAL NO. INDOOR: AIR HANDLER MANUFACTURER MODEL NO. SERIAL NO. ADDITIONAL ACCESSORIES B. Pre-Start-Up OUTDOOR UNIT IS THERE ANY SHIPPING DAMAGE? (Y/N) IF SO, WHERE: WILL THIS DAMAGE PREVENT UNIT START-U...

Carrier 38AKS028-044 - Manuals

Manuals:

Manual Carrier 38AKS028-044

Summary

Carrier Manuals