Manual 2100-588A
Page 16 of 29
FIGURE 9
BASIC A/C with OPTIONAL ELECTRIC HEAT
OLDER EIFM STYLE ECONOMIZER
A
1
2
C
W1
G
WIRING HARNESS
TERMINAL BLOCK
Y1
EIFM ECONOMIZER
3
E
UNIT 24V
F
Y2
W2
R
Y
FACTORY INSTALLED JUMPER FOR IMMEDIATE EMERGENCY SHUTDOWN
OF ALL HVAC OPERATIONS, REMOVE JUMPER AND CONNECT NORMALLY
CLOSED (NC) CONTACT TO R AND RT TERMINALS.
OP
EN
OR
SP
EC
IA
L
US
E
AS
RE
QU
IR
ED
N.
C.
CON
TA
CT
COM
PR
ES
SOR
EC
ON
OM
IZ
ER
ST
AGE
1
BLUE
COM
M
ON
BLACK
AL
AR
M
RE
LA
Y
EL
EC
TR
IC
HE
AT
ST
AGE
1
ORANGE
FACTORY INSTALLED JUMPER. REMOVE FOR 2-STAGE OPERATION
FA
N
(B
LOW
ER
)
VE
NT
IL
AT
ION
IN
PU
T
(IF
EQU
IP
PE
D)
N.
O.
CON
TA
CT
BLACK
ON UNITS WITH 15 OR MORE KW.
24
V
TR
AN
SF
OR
M
ER
OU
TP
UT
IF
EQU
IP
PE
D
PI
NK
OP
EN
OR
SP
EC
IA
L
US
E
AS
RE
QU
IR
ED
24
V
HOT
EL
EC
TR
IC
HE
AT
ST
AGE
2
YELLOW
PU
RP
LE
24
V
COM
M
ON
(GR
OU
ND
ED
)
EC
ON
OM
IZ
ER
ST
AGE
2
1
1
"J
"M
OD
UL
E
RE
FR
IGE
RA
NT
DE
HU
M
ID
IF
IC
AT
ION
(IF
EQU
IP
PE
D)
Rt
D
2
2
MIS-2980 A