York SUNLINE ULTRA D1HG 048 - Field Wiring Diagrams; Power Wiring Connections; Control Wiring for Cooling Only Systems; Control Wiring for Cooling;Heating Systems

035-14841-000 Rev. A (0701)
Unitary Products Group 11
CONTROL WIRING
CAUTION:
Label all wires prior to disconnection when servicing con-
trols. Wiring errors can cause improper and dangerous
operation. Verify proper operation after servicing.
FIGURE 6 : TYPICAL FIELD WIRING
CONTACTOR
FIELD SUPPLIED
DISCONNECT
THREE
PHASE
POWER
SUPPLY
GROUND
LUG
R EFER TO THE APPROPRIATE
ELECTRICAL DATA TABLE TO
SIZE THE DISCONNECT SWITCH,
OVRCURRENT PROTECTION
AND WIRING
POWER WIRING
RV
YC
GF
R
Y1
B
Y2
THERM O STAT
1
TER M IN ALS
UNIT TERMINAL
STRIP TB1
24 VO LT
TRANSFORM ER
C O O LIN G O N LY (24 V O LT TH E R M O STA T)
124 VO LT TH E R M O S TA T 2TH 07701024 IF TH E U N IT H A S AN EC O N O M IZE R ,
R E M O V E J U M P E R J 1 F R O M T E R M IN A L S 8 A N D 1 0 O N T H E R E L A Y B O A R D
T
O PREVENT SIM ULTANEO US OPERATION O F THE CO M PRESSO R AND
T
HE ECONOM IZER. IF YOU W ANT TO CONTROL THE ECONOM IZER ON A
S
EC O N D STA G E O F C O O LIN G , U S E TH E TH ER M O S TA T 2TH 04701224.
RC
Y
R
Y1
Y2
W1
W
W2
G
B
G
RH
THERM O STAT
1
TERM INALS
U N IT T E R M IN A L
STRIP TB1
24 V O LT
TRAN SFO R M ER
COOLING/HEATING (24 VOLT THERM OSTAT)
1
24 VO LT TH ER M O STAT 2TH 07701024. IF T H E U N IT H A S A N E C O N O M IZ E R ,
REMOVE JUM PER J1 FROM TERMINALS 8 AND 10 ON THE RELAY BOARD
TO PREVENT SIM ULTANEOUS OPERATION OF THE COM PRESSOR AND
T H E E C O N O M IZ E R . IF Y O U W A N T T O C O N T R O L T H E R E C O N O M IZ E R O N A
S E C O N D S T A G E O F C O O L IN G O R H A V E A N D E L E C T R IC H E A T A C C E S S O R Y
W ITH TW O S TA G E S O F H E A T, U S E TH E R M O S TA T 2TH 0471024
ADD
JU M P E R
RC
RH
Y1
Y2
W1
W2
G
LE D 1
LE D 2
COM
A1
A2
T
T
B
R
Y1
Y2
G
B
X
N
W2
W1
THERM O STAT
1
TER M INALS
U N IT T E R M IN A L
STRIP TB1
24 VO LT
TRANSFO RM ER
TO REM OTE SENSOR
2TH 040702224 IF U S E D
NOT
USED
ADD
J
UM PER
ADD
JUM PER
4
4
3
2
1
ELECTRONIC PRO G RAM M ABLE THERM OSTAT 2ET04700224 (IN CLUDES SUBBASE)
2
SECON D STAGE CO O LING IS NO T REQUIRED O N UN ITS LESS ECON O M IZER.
3
SECON D STAGE HEATIN G IS O N LY R EQ UIRED O N UNITS W ITH A TW O STAGE
ELECTRIC HEATER.
4
REMOVE JUMBER J2 FROM TERM INALS 4 AND 9 O N JUMPER PLUG CONNECTOR
P 6 O N U N IT S W IT H E C O N M IZ E R . T E R M IN A L S A 1 A N D A 2 P R O V ID E A R E L A Y
O U T-PUT TO CLOSE THE O UTDO O R ECONO M IZER DAM PERS W HEN THE
THER M O STAT SW ITCH ES TO THE SET-BACK PO SITIO N.
RH
RC
Y
W
G
R
Y1
W1
B
G
ADD
JUM PER
THERM OSTAT
1
TERM INALS
U N IT T E R M IN A L
STRIP TB1
24 V O LT
TRAN SFO R M ER
1
ELE C TR O N IC PR O G R A M M A BLE TH E R M O S TA T 2E T07701024 (IN C LU D E S S U BBASE).
IF THIS UNIT HAS AND ECO NO M IZER, REM O VE JUM PER J1 FROM TERM INALS 8 AND
10 O N THE RELAY BO ARD TO PREVENT SIM ULTANEO US OPERATION OF THE
CO M PRESSOR AND THE ECO NO M IZER. IF YOU W ANT TO CONTROL THE
ECO NOM IZER O N A SECO ND STAGE O F COO LING , USE THERM OSTAT 2ET04700224.
C O O L IN G / H E A T IN G (E L E C T R O N IC T H E R M O S T A T )
SING LE STAGE