Integrated Control
HUM |
LINE 1 |
7 SEGMENT LED |
FLAME SENSE |
ACC
HS/ CAI
NEUTRAL
| INDOOR | |
DIAGNOSTIC | BLOWER | |
CONNECTOR | ||
PUSH BUTTON | ||
| ||
DIP SWITCHES |
| |
OUTDOOR AIR | 12 PIN LOW | |
SENSOR | VOLTAGE | |
TERMINALS | CONNECTOR |
DISCHARGE AIR |
| W915 Y1 TO Y2 |
SENSOR |
| 2 STAGE COMPR |
TERMINALS |
| W951 R TO O |
|
| |
TB83 |
| HEAT PUMP |
COMMUNICATING |
|
|
OUTDOOR |
| W914 R TO DS |
EQUIPMENT |
| |
| DEHUM OR | |
|
| |
TB84 | R I + I − C R I + I − C W1 W2 G Y2 Y1 C C R DH L O DS | HARMONY |
COMMUNICATING |
|
|
INDOOR |
|
|
THERMOSTAT |
|
|
| NON−COMMUNICATINGNG |
|
| 24V TERMINALS |
|
RS−BUS LINK (TB82, future use)
I+ = DATA HIGH CONNECTION
I − = DATA LOW CONNECTION
RS−BUS OUTDOOR (TB83)
R = 24VAC
I + = DATA HIGH CONNECTION
I − = DATA LOW CONNECTION
C = 24VAXC COMMON
RS−BUS INDOOR (TB84)
R = 24VAC
I + = DATA HIGH CONNECTION
I − = DATA LOW CONNECTION
C = 24VAXC COMMON
1/4" QUICK CONNECT TERMINALS
HUM = UNPOWERED NORMALLY OPEN (DRY) CONTACTS XMFR = 120 VAC OUTPUT TO TRANSFORMER
LI = 120 VAC INPUT TO CONTROL
ACC = 120 VAC OUTPUT TO OPTIONAL ACCESSORY NEUTRALS = 120 VAC NEUTRAL
THERMOSTAT CONNECTIONS (TB1)
DS = DEHUMIDIFICATION SIGNAL
W2 = HEAT DEMAND FROM 2ND STAGE T/STAT
W1 = HEAT DEMAND FROM 1ST STAGE T/STAT R = CLASS 2 VOLTAGE TO THERMOSTAT
G = MANUAL FAN FROM T’STAT
C = THERMOSTAT SIGNAL GROUND CONNECTED TO TRANSFORMER GRD (TR) & CHASIS GROUND (GRD)
Y1 = THERMOSTAT 1ST STAGE COOL SIGNAL
Y2 = THERMOSTAT 2ND STAGE COOL SIGNAL
O = THERMOSTAT SIGNAL TO HEAT PUMP
REVERSING VALVE
DH = DEHUMIDIFICATION OUTPUT COMMUNICATING
THERMOSTAT ONLY
L = USE ONLY WITH A COMMUNICATING THERMOSTAT
AND A NON−COMMUNICATING OUTDOOR UNIT
FIGURE 34
. . . . . . . . . . . . .
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