Specifications

Manual 2100-555
Page 16 of 30
4
13
5
2
W1
MIS-2978
E
01
L
DH
UNIT 24V
BCW2W3Y1YRG TERMINAL BLOCK
EIFM ECONOMIZER
WIRING HARNESS
COMPRESSOR LOCKOUT OUTPUT
VENTILATION INPUT
ELECTRIC HEAT STAGE 1
EMERGENCY HEAT
USED WITH OUTDOOR THERMOSTAT
REVERSING VALVE
COMPRESSOR
24V HOT
FAN (BLOWER)
RELAY MUST BE FIELD INSTALLED. USE BARD RELAY PART #8620-218
24V COMMON (GROUNDED)
1
REMOVE FACTORY INSTALLED JUMPER.
2
BLACK
ORANGE
PURPLE
PINK
BLACK
BLUE
YELLOW
OR EQUIVALENT.
1
2
COOLING STAGE 2
COOLING STAGE 1
FIGURE 9
BASIC HEAT PUMP WITH OPTIONAL ELECTRIC HEAT
WITH EIFM ECONOMIZER