Specifications

Manual 2100-588A
Page 17 of 29
FIGURE 10
BASIC A/C with OPTIONAL ELECTRIC HEAT
NEWER ECONWM* STYLE ECONOMIZER
Y
FACTORY INSTALLED JUMPER FOR IMMEDIATE EMERGENCY SHUTDOWN
G
OF ALL HVAC OPERATIONS, REMOVE JUMPER AND CONNECT NORMALLY
WIRING HARNESS
2 E
3
A
W1Y2C
D
1
Y1
TERMINAL BLOCK
R
MIS-2976 A
ECONWMT ECONOMIZER
W2
UNIT 24V
CLOSED (NC) CONTACT TO R AND RT TERMINALS.
F
3
3
VENTILATION INPUT (USED IF MINIMUM
YELLOW/RED
2
1
POSITION REQUIRED FOR VENTILATION)
BLACK
PINK
BROWN/WHITE
ORANGE
24V TRANSFORMER OUTPUT
YELLOW
FACTORY INSTALLED JUMPER. REMOVE FOR 2-STAGE OPERATION
RED
PURPLE
BLUE
24V COMMON (GROUNDED)
FAN (BLOWER)
24V HOT
COMPRESSOR
ECONOMIZER STAGE 2
ELECTRIC HEAT STAGE 2
N.C. CONTACT
N.O. CONTACT
COMMON
OPEN OR SPECIAL USE AS REQUIRED
OPEN OR SPECIAL USE AS REQUIRED
ON UNITS WITH 15 OR MORE KW.
MUST BE ENERGIZED TO ENABLE MINIMUM POSITION.
ALARM RELAY
ECONOMIZER STAGE 1
REFRIGERANT
IF EQUIPPED
ELECTRIC HEAT STAGE 1
1
"J" MODULE
2
DEHUMIDIFICATION (IF EQUIPPED)
Rt