COOLING/HEATING(ELECTRONICTHERMOSTAT) |
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THERMOSTAT1 |
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UNITTERMINAL | JUMPER |
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TERMINALS |
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ADD | Y | 4 | W2 | 3 | W2 |
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JUMPER | W | W1 | G |
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| LED1 |
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| LED2 | N | |
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| 24VOLT | COM | USED |
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| TRANSFORMER | 4 |
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1ELECTRONICPROGRAMMABLETHERMOSTAT2ET07701024(INCLUDESSUBBASE). |
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IFTHISUNITHASANDECONOMIZER,REMOVEJUMPERJ1FROMTERMINALS8AND |
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| 2TH040702224IFUSED | |||||||||||
10ONTHERELAYBOARDTOPREVENTSIMULTANEOUSOPERATIONOFTHE |
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COMPRESSORANDTHEECONOMIZER.IFYOUWANTTOCONTROLTHE |
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ECONOMIZERONASECONDSTAGEOFCOOLING,USETHERMOSTAT2ET04700224. |
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FIGURE 4 - CONTROL WIRING SINGLE STAGE | 1ELECTRONICPROGRAMMABLETHERMOSTAT2ET04700224(INCLUDESSUBBASE) | ||||||||||||||
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| 2SECONDSTAGECOOLINGISNOTREQUIREDONUNITSLESSECONOMIZER. | ||||
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| 3SECONDSTAGEHEATINGISONLYREQUIREDONUNITSWITHATWOSTAGE | ||||
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| ELECTRICHEATER. |
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| COOLING/HEATING(24VOLTTHERMOSTAT) | 4REMOVEJUMBERJ2FROMTERMINALS4AND9ONJUMPERPLUGCONNECTOR | ||||||||||||
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| P6ONUNITSWITHECONMIZER.TERMINALSA1ANDA2PROVIDEARELAY | ||||
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| UNITTERMINAL | FIGURE 6 - CONTROL WIRING | ||||||||||||
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JUMPER |
| RC | R |
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| Y | Y1 | 24VOLT |
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| TRANSFORMER |
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| Y2 |
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WW1
W2
GG
B
124VOLTTHERMOSTAT2TH07701024.IFTHEUNITHASANECONOMIZER, REMOVEJUMPERJ1FROMTERMINALS8AND10ONTHERELAYBOARD TOPREVENTSIMULTANEOUSOPERATIONOFTHECOMPRESSORAND THEECONOMIZER.IFYOUWANTTOCONTROLTHERECONOMIZERONA SECONDSTAGEOFCOOLINGORHAVEANDELECTRICHEATACCESSORY WITHTWOSTAGESOFHEAT,USETHERMOSTAT2TH0471024
FIGURE 5 - CONTROL WIRING COOLING/HEAT-
ING
Unitary Products Group | 17 |