Goodman MBE2000 - Page 10

WIRING DIAGRAMS
10
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS
UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
C
W2
Y R
HEAT PUMP
B
L
U
E
W
H
I
T
E
O
R
A
N
G
E
Y
E
L
L
O
W
R
E
D
Y O C R E
ROOM THERMOSTAT
MBR UNIT
GREEN
BLUE
#18 GA. 5 WIRES
OUTDOOR THERMOSTATS
(OPTIONAL) MAKE ON FALL
BL
#18 GA. 6 WIRE NEEDED WHEN OT IS USED
OT - 1
SYSTEM COMPOSITE DIAGRAM
MBR0800
10kW & BELOW
Y
O
W2
R
BR
G
W
BL
RED
WHITE
W
G
SEE NOTE 3
O
R
HEAT PUMP ROOM THERMOSTAT
C
W2
O Y R Y O
G
W2
R E
R
C
BR
G
W
BL
BL
W
O
B
L
U
E
W
H
I
T
E
O
R
A
N
G
E
Y
E
L
L
O
W
R
E
D
RED
GREEN
WHITE
BROWN
BLUE
EHR
1 1
3 4
#18 GA. 5 WIRES
OT-1
OT-2
#18 GA. 7 WIRES
#18 GA. 7 WIRE NEEDED WHEN (2) OTs ARE USED.
NOTES
1) OUTDOOR THERMOSTAT (OT-1) SHOULD BE THE
FIRST TO CLOSE AND THE FIRST TO OPEN.
2) IF OUTDOOR THERMOSTAT IS NOT USED, TIE WHITE
AND BROWN WIRES FROM AIR HANDLER TOGETHER.
3) REMOVE WIRE WHEN USING OUTDOOR T-STAT.
#18 GA. 7 WIRE NEEDED WHEN (2) OTs ARE USED.
NOMENCLATURE
OT - OUTDOOR TEMPERATURE (OPTIONAL)
MOF - MAKE ON FALL
EHR - EMERGENCY HEAT RELAY (OPTIONAL)
COLOR CODES
R - RED
Y - YELLOW
BL - BLUE
V - VIOLET
BR - BROWN
O - ORANGE
W - WHITE
G - GREEN
SYSTEM COMPOSITE DIAGRAM
MBR1200-2000
ABOVE 10kW
SEE
NOTE 3
Y
SEE
NOTE 2
MBR UNIT