15
Table 7. Single Zone Installation Wiring Requirements
System and Terminal
Designations
System Capacity
System Voltage
Number of
Conductors
Wire Type
Wire Gauge / MCA
Indoor to Outdoor
Wiring
(Communication/
Power)
1, 2, 3 and GND
12K
208/230VAC
4
Stranded and
unshielded
16AWG
Outdoor to Main Power
L1, L2 and GND
12K
208/230VAC
3
Stranded and
unshielded
16AWG / 9A
11
ON
ON
11
ON
ON
Mode
Mode
INACTIVE
INACTIVE
Factory
Setting
Factory
Setting
For Setting Auto-Restart
For Setting Auto-Restart
SW1
SW1
ACTIVE
ACTIVE
11
ON
ON
11
ON
ON
Mode
Mode INACTIVE
INACTIVE
Factory
Setting
Factory
Setting
For Setting Down louver
For Setting Down louver
SW101
SW101
ACTIVE
ACTIVE
11 22
ON
ON
11 22
ON
ON
11 22
ON
ON
11 22
ON
ON
SW103
SW103
For Setting Fan Motor Control then No Power Request
For Setting Fan Motor Control then No Power Request
FAN OFF LOW
FAN SPEED
SETTING
FAN SPEED
TERMAL
Factory
Setting
Factory
Setting
Mode
Mode
11 22
ON
ON
11 22
ON
ON
11 22
ON
ON
11 22
ON
ON
SW102
SW102
For temp. Compensation
For temp. Compensation
0
2
4
-2
Mode
Mode
Factory
Setting
Factory
Setting
M
FAN
Adapter
board
Programmable
Wired Controller
This symbol indicates the
element is optional,the actual
shape shall prevail.
4
Optional
THIS UNIT SUPPORTS THE
PROGRAMMABLE WIRED CONTROL ONLY.
FACTORY INSTALLED
Figure 22. MFMA012-S4-2P Unit Wiring Diagram
