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York K3EU180 User Manual

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036-21300-002-A-0905                                                                                                                                                                                                                                
24
Unitary Products Group
FIGURE 10 - FIELD WIRING FOR POWER SUPPLY
COOLING ONLY UNITS AND UNITS WITH
STEAM OR HOT WATER COIL ACCESSORY
TERMINALS ON
SUPPLY AIR
BLOWER MOTOR
CONTACTOR 10M
GROUND
SCREW
POWER WIRING,
DESCONNECT SWITCH
AND FUSING TO BE
SUPPLIED BY FIELD
LINE VOLTAGE
POWER SUPPLY
*Not required on 060 (1-Phase
only) All other units are 3-Phase.
TERMINALS
ON FUSE HOLDER
IN ELECTRIC HEAR
CONTROL BOX
GROUND LUG
IN ELECTRIC HEAT
CONTROL BOX
POWER WIRING,
DESCONNECT
SWITCH
AND FUSING
(OR CIRCUIT
BREAKER)
TO BE SUPPLIED
BY FIELD
    3-PHASE
LINE VOLTAGE
POWER SUPPLY
NOTE:  USE COPPER
             CONDUCTORS ONLY
WIRE IN ACCORDANCE WITH LOCAL
AND NATIONAL ELECTRICAL CODES
UNITS WITH ELECTRIC HEAT ACCESSORY
FIGURE 11 - COOLING ONLY UNIT
TERMINALS ON
THERMOSTAT 6TH13700724
WITH SUB-BASE 2TB08700124
TERMINAL
BLOCK 4TB
ON BLOWER UNIT
1-STAGE COOLING
24-VOLT
CONTROL
WIRING
TO
COND.
UNIT
R
R
Y
Y
G
G
B
TERMINALS ON
THERMOSTAT 6TH04701724
WITH SUB-BASE 2TB04700124
24-VOLT
CONTROL
WIRING
TERMINAL BLOCK 4TB
ON BLOWER UNIT
TO
COND.
UNIT
2-STAGE COOLING FOR HCA180/KEU180**
COOLING ONLY UNITS
RC
Y1
Y2
G
R
Y
O
G
B
FIGURE 12 - UNIT WITH STEAM OR HOT WATER COIL ACCESSORY
24-VOLT CONTROL WIRING
TO
COND.
UNIT
TERMINAL
BLOCK 4TB
ON BLOWER UNIT
TO HEATER COIL
CONTROL CIRCUIT
TERMINALS ON
THERMOSTAT
   6TH04701524
WITH SUB-BASE
   2TB04700324
TERMINAL
BLOCK 4TB
ON BLOWER UNIT
TO HEATER COIL
CONTROL CIRCUIT
TERMINALS ON THERMOSTAT 6TH13700724
WITH SUB-BASE 2TB17700324
24-VOLT CONTROL WIRING
1-STAGE COOLING
2-STAGE COOLING FOR HCA180/KEU180**
UNITS WITH STEAM OR HOT WATER COIL ACCESSORY
R
Y
G
W
R
Y
G
B
R
Y1
Y2
G
W
R
Y
O
G
B
TO
COND.
UNIT