Carrier Compressor and Condensing Unit Pre-Start-Up, 06E Physical Data, Unit 06E, Refrigerant

PRE-START-UP

When charging, or when removing charge, circulate water through water-cooled condenser and cooler continuously to prevent freezing. Freezing damage is considered abuse and is not covered by Carrier warranty.

Evacuate, Dehydrate, and Leak Test — The entire refrigerant system must be evacuated, dehydrated and leak test- ed by methods described in Carrier Standard Service Tech- niques Manual, Chapter 1, Section 1-6 and 1-7. Use sight glass method to charge system. See Section 1-8 of Service Tech- niques Manual for details.

Charge the system to a clear sight glass while holding saturated condensing pressure constant at 125 F (air-cooled systems) or 105 F (water-cooled systems). Add additional refrigerant to fill condenser subcooler coils for air-cooled applications.

Oil Charge (See Tables 2 and 3) — All units are factory charged with oil. If oil is visible in sight glass, start compressor. Observe level and add oil, if required, to bring level in crankcase 1/8 to 3/8 of bull’s-eye during steady

operation. To add or remove oil, see Carrier Standard Service Techniques Manual, Chapter 1, Refrigerants.

IMPORTANT: Use only Carrier approved compressor oil. Do not reuse oil that has been drained and do not use oil that has been exposed to atmosphere.

Approved compressor oils*:

Petroleum Specialties, Inc. . . . . . . . . . . . . . . . . . . . . . Cryol 150 Texaco, Inc. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Capella WR-32 Witco Chemical Co.. . . . . . . . . . . . . . . . . . . . . . . . . Suniso 3GS

*Approved for R-12, R-22, R-502 refrigerants. Contact Carrier Factory Sales Representative for other refrigerants.

TO ADD OIL — Close suction shutoff valve and pump down crankcase to 2 psig. (Low-pressure cut-out must be bypassed.) Wait a few minutes and repeat as needed until pressure remains at 2 psig. Remove oil fill plug above bull’s-eye, add oil through plug hole and replace plug. Run compressor for about 20 min- utes and check the oil level.

TO REMOVE OIL — Pump down compressor to 2 psig. Loosen the 1/4-in. pipe plug in compressor base and allow the oil to seep out past the threads of the plug. The crankcase will be under slight pressure. Be careful not to remove the plug; the entire oil charge may be lost.

Table 2 — 06E Physical Data

UNIT 06E	V022	W027			W033	W044
OPERATING WEIGHT (lb)	600	640			650	670
REFRIGERANT		R-134a, R-22, R-507/404A
COMPRESSOR — 06E*	A250	A265			A275	A299
Cylinders	4	6			6	6
Bore (in.)	211/	211/	16		211/	211/	16
	16				16
Stroke (in.)	23/16	2			23/16	27/8
Displacement (cfm at 1750 rpm)	50	68			75	99
Maximum Rpm				1750
Oil Charge (pt)	14	19			19	19
High Side Maximum Pressure (psi)				450	PSIG
Low Side Maximum Pressure (psi)				245 PSIG
CONNECTIONS (in.)	15/	15/			21/	21/
Suction Valve (ODF)			8				8
Discharge Valve (ODF)	8	13/			8	15/
	11/		8		13/		8
	8				8

LEGEND

ODF — Outside Diameter Female

*Compressors listed are for R-22 applications. For R-134a an 06EM compressor is standard offering; an 06ER compressor is standard for R-507/404A. Factory compressor substitutes may be made. Contact Carrier Sales Representative.

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