Compressor Overloads & Start Assists

START ASSISTS RELAY/OVERLOAD COMBINATION

Replaces all hermetic compressor relays and overloads with a single unit; can be used with start capacitor. Clip bracket mounting.

CAT. NO. MFG. NO. HP 1R241 1R240

RO-81 RO-41

1/4 & 1/3 1/12 thru 1/5

VOLTAGE EACH 115 115

3-IN-1 COMBINATION

Replaces relay, overload and start capacitor in capil- lary tube systems with a single unit. Prewired for easy installation.

CAT. NO. MFG. NO. HP 1R249 1R248

RCO-810 1/12 thru 1/5 115 RCO-410 1/4 & 1/3

115

VOLTAGE EACH $20.18 $18.49

RELAY/CAPACITOR COMBINATION

Provides increased starting torque for PSC air con- ditioning compressors; +300% with SPP-5, +500% with SPP-6, +690% with SPP-8.

CAT. NO. MFG. NO. HP 1R186 1R187 1R190

SPP-5 SPP-6 SPP8E

VOLTAGE

1/2 thru 10 1/2 thru 10 1/2 thru 10

120 thru 288 120 thru 288 120 thru 288

EACH $18.69 $28.16 $61.54

RELAY/CAPACITOR COMBINATION

One size for all domestic and commercial refrigera- tors and freezers up to 1/2 HP. Simple push-on wir- ing installation; clip bracket or screw mounting.

CAT. NO. MFG. NO. HP 1R207 1R208

RSC-10 RSC-20

1/12 thru 1/2 115 1/12 thru 1/2 230

VOLTAGE EACH $28.92 $29.65

$16.18 $16.18

ELECTRICAL CHECKS ON HERMETIC COMPRESSORS

ID the terminals... 1. Terminals are (C) Common, (S) Start, and (R) Run. They are always read “Left to Right, Top to Bottom”

o o o C S R

o o C S o

R o C

o o S R

o C o S o R

o C o R

o S

2. When in doubt, turn the power off, disconnect the wires from the compressor and measure the ohmic resistance between the terminals. The highest resistance will be from S to R. The next highest resistance will be from C to S and the lowest resistance will be from C to R. From these measurements, you can determine the actual individual terminal designations. The above isn’t as complicated as it sounds. Simply draw three “terminals” on a piece of paper in the configuration of the terminals on the compressor you are checking. Label them A,B,C, or what ever you want to label them. Begin measuring the resistances and noting them on the paper. Example: term (A) to term (B) = 4.5 ohms term (A) to term (C) = 2.0 ohms term (B) to term (C) = 6.5 ohms

conclusion: A to B is = to C to S ( Middle reading ) A to C is = to C to R ( Lowest reading ) B to C is = to S to R ( Highest reading)

Therefor...(A) term is actually Common (C) (B) term is actually Start (S) (C) term is actually Run (R)

PTC/CAPACITOR HARD START DEVICE

The SPP7S increases starting torque up to 600%. Installs in seconds across run capacitor terminals. Contains specially designed relay and large start capacitor for severe hard start problems.

CAT. NO. MFG. NO. HP VOLTAGE HG34617 SPP7S 1/2 thru 10 112 thru 230

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