Typical Field Wiring - York SUNLINE MagnaDRY DR180 Installation Manual

127915-YIM-A-0405
1
THERMOSTAT
TERMINALS
RC
RH
Y1
Y2
W1
W2
G
C
X1
X3
2
X4
A1
A2
T
T
TO REMOTE SENSOR
2ET04701324 IF USED
1
Electronic programmable Thermostat 2ET0770010024
( includes subbase).
2 Terminals A1 and A2 provide a relay output to close the
outdoor economizer dampers when the thermostat
switches to the set-back position.
3
Dehumidistat closes on rise in humidity.
FIGURE 5 - TYPICAL FIELD WIRING
Unitary Products Group
( RCB )
REHEAT
CONTROL BOARD
R
Y1
Y2
W1
W2
G
C
OCC
TERMINAL BLOCK
RH
HUM 1
DEHUMIDISTAT
HUM 2
3
4
TYPICAL
THERMOSTAT
RC
R
RH
Y1
Y1
Y2
Y2
G
G
W1
W1
W2
W2
OCC
C
C
1
Dehumidistat closes on rise in humidity.
3
( RCB )
REHEAT
CONTROL
BOARD
TERMINAL
BLOCK
RH
1
DEHUMIDISTAT
2
3
4
HUM
TERMINAL BLOCK TB1
GROUND
LUG
1
FACTORY OR FIELD
SUPPLIED DISCONNECT
THREE
PHASE
POWER
SUPPLY
21