York D1EG User Manual
036-21411-002-A-0204
22
Unitary Products Group
FIGURE 2 - POWER SUPPLY, POWER WIRING
SINGLE PHASE
FIGURE 3 - POWER SUPPLY, POWER WIRING
THREE PHASE
FIGURE 4 - CONTROL WIRING - COOLING ONLY
REFER TO THE ELECTRI-
CAL DATA TABLES TO SIZE
THE DISCONNECT
SWITCH, OVERCURRENT
PROTECTION AND WIRING
48
;+
/.
4
;
*
;
THERMOSTAT
1
TERMINALS
UNIT TERMINAL
STRIP TB1
24 VOLT
TRANSFORMER
COOLING ONLY (24 VOLT THERMOSTAT)
1
24 VOLT THERMOSTAT 2TH07701024 IF THE UNIT HAS AN ECONOMIZER,
REMOVE JUMPER J1 FROM TERMINALS 8 AND 10 ON THE RELAY BOARD
TO PREVENT SIMULTANEOUS OPERATION OF THE COMPRESSOR AND
THE ECONOMIZER. IF YOU WANT TO CONTROL THE ECONOMIZER ON A
SECOND STAGE OF COOLING, USE THE THERMOSTAT 2TH04701224.
/
FIGURE 5 - CONTROL WIRING- COOLING &
HEATING MULTI-STAGE
FIGURE 6 - CONTROL WIRING - COOLING/
HEATING (24 VOLT THERMOSTAT)
R C
R H
R H
Y 1
Y 2
Y 2
W 1
W 2
W 2
G
L E D 1
L E D 2
L E D 2
C O M
A 1
A 2
A 2
T
T
T
B
R
Y 1
Y 2
Y 2
G
B
X
N
X
N
W 2
W 1
T H E R M O S T A T
1
T E R M I N A L S
U N I T T E R M I N A L
S T R I P T B 1
2 4 V O L T
T R A N S F O R M E R
T O R E M O T E S E N S O R
2 T H 0 4 0 7 0 2 2 2 4 I F U S E D
N O T
U S E D
A D D
J U M P E R
A D D
J U M P E R
4
4
3
2
1
E L E C T R O N I C P R O G R A M M A B L E T H E R M O S T A T 2 E T 0 4 7 0 0 2 2 4 ( I N C L U D E S S U B B A S E )
2
S E C O N D S T A G E C O O L I N G I S N O T R E Q U I R E D O N U N I T S L E S S E C O N O M I Z E R .
3
S E C O N D S T A G E H E A T I N G I S O N L Y R E Q U I R E D O N U N I T S W I T H A T W O S T A G E
E L E C T R I C H E A T E R .
4
R E M O V E J U M B E R J 2 F R O M T E R M I N A L S 4 A N D 9 O N J U M P E R P L U G C O N N E C T O R
P 6 O N U N I T S W I T H E C O N M I Z E R . T E R M I N A L S A 1 A N D A 2 P R O V I D E A R E L A Y
O U T - P U T T O C L O S E T H E O U T D O O R E C O N O M I Z E R D A M P E R S W H E N T H E
T H E R M O S T A T S W I T C H E S T O T H E S E T - B A C K P O S I T I O N .
R C
Y
R
Y 1
Y 2
W 1
W
W 2
G
B
G
R H
T H E R M O S T A T
1
T E R M I N A L S
U N I T T E R M I N A L
S T R I P T B 1
2 4 V O L T
T R A N S F O R M E R
C O O L I N G / H E A T I N G ( 2 4 V O L T T H E R M O S T A T )
1
2 4 V O L T T H E R M O S T A T 2 T H 0 7 7 0 1 0 2 4 . I F T H E U N I T H A S A N E C O N O M I Z E R ,
R E M O V E J U M P E R J 1 F R O M T E R M I N 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 P R E V E N T S I M U L T A N E O U S O P E R A T I O N O F T H E C O M P R E S S O R A N D
T H E E C O N O M I Z E R . I F 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 I Z E R O N A
S E C O N D S T A G E O F C O O L I N G O R H A V E A N D E L E C T R I C H E A T A C C E S S O R Y
W I T H T W O S T A G E S O F H E A T , U S E T H E R M O S T A T 2 T H 0 4 7 1 0 2 4
A D D
J U M P E R