Fig. 25 - Thermostat Interface Board (Optional); Table 14 - Thermostat Interface Board Connections - York J Series Manual

TABLE 14 – THERMOSTAT INTERFACE BOARD CONNECTIONS
T'STAT TERMINALS
R
Y1
Y2
W1
W2
G
OCC
SD
P
X
C
JOHNSON CONTROLS
FUNCTION
24 VAC from controller
COOL 1
COOL 2
HEAT 1
HEAT 2
FAN
Occupied
Shutdown
Smoke Purge
To Status Indicator
Common
FIG. 25 – THERMOSTAT INTERFACE BOARD (OPTIONAL)
MOD DCU
CONNECTION
R 24 VAC from controller
AI 3 Analog voltage
AI 3 Analog voltage
AI 3 Analog voltage
AI 3 Analog voltage
G FAN
OC Occupied
SD Shutdown
P Smoke Purge
X Not Used
C Common from controller
00493VIP
FORM 100.50-NOM7 (808)
FUNCTION
75
6