How-To Convert An Electric Start/Stop Compressor to Dual Stage
INSTRUCTIONS FOR CONVERTING SINGLE STAGE COMPRESSORS TO DUAL STAGE
EMGLO DUAL CONTROL OPERATION
SINGLE STAGE DCS
TWO STAGE DCT (WITHOUT MAGNETIC STARTER)
A. PRESSURE SWITCH MUST BE SET AT APPROX. 8 PSI ABOVE PILOT VALVE CUT-OUT PRESSURE.
B. WHEN SWITCHING FROM "CRC" TO "AUTO", TANK PRESSURE WILL DROP TO APPROX. 25 PSI BELOW CUT-OUT PRESSURE BEFORE "AUTO" CONTROL TAKES OVER.
A. PARTS KIT FOR CONVERTING FROM
CONSTANT RUN CONTROL TO DUAL
CONTROL (MODELS K & L)
ITEM QTY DESCRIPTION
52 1 1/4 TEE
53 1 1/4 LEVER VALVE
49 1 PCVL PRESSURE SWITCH
SET AT 133 PSI
15 2 1/4 x CL NIPPLE
47 1 1238T CHECK VALVE
11 1 1/2 x 3/8 FL CONN. (MODEL K)
5/8 x 3/8 FL EL (MODEL L)
31 2 ROMEX CONN.
8 1 1/4 x 1/8 COMP. EL
50 1 12-2 ROMEX x 30"
48 1 1/4 COPPER TUBE x 42"
42 1 INSTRUCTION LABEL
1 COMPRESSOR PARTS LIST
1 ASSEMBLY PARTS LIST
1 1/4 x 2 NIPPLE (MODEL L)
1 1/4 NPT EL (MODEL L)
NOTE: FOR AP MANIFOLD BLOCK #16 MUST BE
CHANGED FROM ORIGINAL ORIENTATION.
B. PARTS KIT FOR CONVERTING FROM START-STOP
CONTROL TO DUAL CONTROL (MODEL K)
ITEM QTY DESCRIPTION
52 1 1/4 TEE
53 1 1/4 LEVER VALVE
14 1 PV PILOT VALVE
SET AT 125 PSI
15 2 1/4 x CL NIPPLE
8 2 1/4 x 1/8 COMP. EL
1 L51 HEAD GASKET
1 ?? HEAD ASSEMBLY
48 2 1/4 COPPER TUBING x 42"
1 INSTRUCTION LABEL
1 COMPRESSOR PARTS LIST
1 ASSEMBLY PARTS LIST
OR MODEL L WITH START-STOP CONTROL
ADDITIONAL ITEMS REQUIRED WITH B
ITEM QTY DESCRIPTION
1 ?? HEAD ASSEMBLY
1 L51 HEAD GASKET
1 1/4 x 1/4 x 1/8 COMP. TEE
1 1/4 COPPER TUBE x 24"
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