REFER TO THE ELECTRI-
CAL DATA TABLES TO SIZE
THE DISCONNECT
SWITCH, OVERCURRENT
PROTECTION AND WIRING
FIGURE 2 - POWER SUPPLY, POWER WIRING SINGLE PHASE
FIGURE 3 - POWER SUPPLY, POWER WIRING
| THREE PHASE |
|
| |||
| COOLINGONLY1 | (24VOLTTHERMOSTAT) | ||||
| OSTAT | UNITTERMINAL | 24VLT | |||
| THERMINALS |
| STRIPTB1 |
| ||
|
| TRANSFRMERO | ||||
1 |
|
|
| |||
24VOLTTHEROSTAT2TH07701024IFTHEUNITHASANCONOMIZER, | ||||||
| ||||||
| JUPERJ1FR | TERMINALS8AND10ONTHE | ||||
REMOVEPREVENTSIMULTANEOUSOPERATI | OF COMPRSSORRELAYAND |
THEECONOMIZER.IFYOUWANTTOCONTHERMOSTATTROLTHEECONOMIZERBOARDON SECONDSTAGEOFCOOLING,USETHE 2TH04701224.
FIGURE 4 - CONTROL WIRING - COOLING ONLY
THERMOSTAT1 |
|
| ||
TERMINALS | UNITTERMINAL |
| ||
| RC |
| STRIPTB1 | 24VOLT |
ADD |
|
| ||
RH |
| R | TRANSFORMER | |
JUMPER |
| |||
|
|
|
| |
| Y1 |
| Y1 |
|
| Y2 | 2 | Y2 |
|
| W1 |
| W1 |
|
4 | W2 | 3 | W2 |
|
| G |
| G |
|
| B |
| B |
|
| LED1 |
| X |
|
| LED2 | NOT | N |
|
| COM | USED 4 |
|
|
ADD | A1 |
|
|
|
|
|
|
| |
JUMPER | A2 |
|
|
|
T TOREMOTESENSOR
T 2TH040702224IFUSED
1ELECTRONICPROGRAMMABLETHERMOSTAT2ET04700224(INCLUDESSUBBASE)
2SECONDSTAGECOOLINGISNOTREQUIREDONUNITSLESSECONOMIZER.
3SECONDSTAGEHEATINGISONLYREQUIREDONUNITSWITHATWOSTAGE ELECTRICHEATER.
4REMOVEJUMBERJ2FROMTERMINALS4AND9ONJUMPERPLUGCONNECTOR P6ONUNITSWITHECONMIZER.TERMINALSA1ANDA2PROVIDEARELAY
FIGURE 5 - CONTROL WIRING- COOLING & HEATING
THERMOSTAT1
TERMINALS
| UNITTERMINAL |
|
RH | STRIPTB1 |
|
ADD |
| |
|
| |
JUMPER RC | R |
|
Y | Y1 | 24VOLT |
|
|
TRANSFORMER
Y2
WW1
W2
GG
B
124VOLTTHERMOSTAT2TH07701024.IFTHEUNITHASANECONOMIZER, REMOVEJUMPERJ1FROMTERMINALS8AND10ONTHERELAYBOARD TOPREVENTSIMULTANEOUSOPERATIONOFTHECOMPRESSORAND THEECONOMIZER.IFYOUWANTTOCONTROLTHERECONOMIZERONA SECONDSTAGEOFCOOLINGORHAVEANDELECTRICHEATACCESSORY WITHTWOSTAGESOFHEAT,USETHERMOSTAT2TH0471024
FIGURE 6 - CONTROL WIRING - COOLING/ HEATING (24 VOLT THERMOSTAT)
22 | Unitary Products Group |