Factor; Typical Wj Field Wiring Diagram; Electric Heat Correction Factors; Supply Fan Vfd Weights, In Lbs - York WJ 180 Technical Manual

262291-YTG-F-1009
TABLE 30: SUPPLY FAN VFD WEIGHTS, IN LBS.
SUPPLY FAN MOTOR
W/O MANUAL BYPASS
5.0 hp
7.5 hp
10.0 hp
15.0 hp
W/MANUAL BYPASS
5.0 hp
7.5 hp
10.0 hp
15.0 hp
COOLING ONLY (24 VOLT THERMOSTAT)
THERMOSTAT
TERMINALS
RC
RH
Y1
ADD
Y2
JUMPER
W1
W2
G
B
LED1
LED2
COM
A1
ADD
JUMPER A2
T
T
Electronic programmable thermostat 2ET04700224 (includes subbase).
1
Terminal block 1TB- located on relay board in 24-volt section of the unit control box.
2
Second stage heating is not required on units with a single stage electric heater.
3
Terminals A1 and A2 provide a relay output to close the outdoor economizer dampers
4
when the thermostat switches to the set-back position.
NOTE: Fans switch must be in "ON" position for minimum ventilation during heater operation.
FIGURE 3 -

TYPICAL WJ FIELD WIRING DIAGRAM

42
230V 460V
25 25
30 30
30 30
30 30
30 30
35 35
35 35
40 35
CONTROL WIRING
1
UNIT TERMINAL
BLOCK 1 TB
2
R
Y1
Y2
W1
3 W2
G
B
X
24 VOLT
4 A1
TRANSFORMER
NOT USED
4 A2
TO REMOTE SENSOR
2THO4702224 IF USED
TABLE 31: ELECTRIC HEAT CORRECTION
FACTORS
575V
NOMINAL VOLTAGE
30
208
30
240
35
480
40
600
35
35
40
45
COOLING / HEATING (24 VOLT THERMOSTAT)
THERMOSTAT
TERMINALS
RH
RC
Y1
ADD
JUMPER
Y2
W1
W2
G
24 Volt Thermostat 2TH04701024 or 2TH04701524
1
(with Subbase 2TB04700324).
Terminal strip 1TB - located on relay board in 24-volt section
2
of the unit control box.
Second stage heating is not required on units with a single stage
3
electric heater.
LINE VOLTAGE
TERMINAL
BLOCK 2TB
IN CONTROL BOX
GROUND LUG
VOLTAGE
208
230
460
575
UNIT TERMINAL
1
BLOCK 1TB
2
R
Y1
Y2
W1
W2
G
B
24 VOLT
X
3
TRANSFORMER
A1
A2
Y3
POWER WIRING
L1
Refer to the
ELECTRICAL DATA
L2
tables to size the
L3
power wiring, the
fuses and the
disconnect switch.
Johnson Controls Unitary Products
kW CAP. MULTI-
PLIER
1.00
0.92
0.92
0.92