Lennox MLA Series User Manual

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
1
1
ON
ON
1
1
ON
ON
Mode
Mode
INACTIVE
INACTIVE
Factory
Setting
Factory
Setting
For Setting Auto-Restart
For Setting Auto-Restart
SW1
SW1
ACTIVE
ACTIVE
1
1
ON
ON
1
1
ON
ON
Mode
Mode
INACTIVE
INACTIVE
Factory
Setting
Factory
Setting
For Setting Down louver
For Setting Down louver
SW101
SW101
ACTIVE
ACTIVE
1
1
2
2
ON
ON
1
1
2
2
ON
ON
1
1
2
2
ON
ON
1
1
2
2
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
1
1
2
2
ON
ON
1
1
2
2
ON
ON
1
1
2
2
ON
ON
1
1
2
2
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
Wi red 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

Lennox MLA Series Specifications

General

Brand	Lennox
Model	MLA Series
Category	Air Conditioner
Language	English