Lennox MMDA048S4-1P User Manual

Lennox Mini-Split Service Manual / Page 103
DC MOTOR
DRIVER MODULE
CN13
CN3
3
CN15
5
M
CN6
T2
T1
4
BLACK
WHITE
INDOOR UNIT MAINBOARD
CN3
RED
CN2
CN1
Y/G
BLACK
CN41
YELLOW
CN5
WATER LEVEL SWITCH
Reactor
CN8
CN18
RED
RED
•••••
This symbol indicates the element is
optional,the actual shape shall prevail.
CN19
BLUE
BLACK
To CCM
Comm.Bus
WHITE
X Y
E
Y/G
1
23
FILTER-BOARD
BLACK
RED
CN23
ON/OFF
CN33
ALARM
Alarm
Output
Remote
Control
Ceiling-Floor Type
CN21
CN24
M
M
M
5
5
5
5
SWING
INDOOR COIL TEMP. SENSOR
ROOM TEMP. SENSOR
VSWING(INACTIVE)
FAN
DISPLAY
BOARD
10
CN10A
TO WIRE
CONTROLLER
5
MCFA024S4-1P Unit Wiring Diagram
Typical wiring diagram.
Refer to wiring diagram on
the unit for actual wiring.
MCFA036S4-1P Unit Wiring Diagram
Typical wiring
diagram. Refer to
wiring diagram on the
unit for actual wiring.
CN5
Reactor
CN8
CN18
CN7
T2B
OUTER PIPE TEMP. SENSOR
T2
T1
CN6
4
BLACK
WHITE
RED
RED
VSWING(INACTIVE)
CN21
CN24
M
M
M
5
5
5
5
SWING
INDOOR UNIT MAINBOARD
DC MOTOR
DRIVER MODULE
CN13
CN3
M
3
CN15
5
FAN1
Ceiling-Floor Type
CN23
ON/OFF
CN33
ALARM
Alarm
Output
Remote
Control
CN19 CN16
BLUE
BLACK
YELLOW
GRAY
To CCM
Comm.Bus
To outdoor
Comm.Bus
WHITE
S1
S2
XY
(
E
)
Y/G
CN3
CN2
CN1
BLACK
RED
Ferrite bead
FILTER-BOARD
L1
L2
RED
BLACK
Y/G
Y/G
Y/G
•••••
This symbol indicates the element is
optional,the actual shape shall prevail.
INDOOR COIL TEMP. SENSOR
ROOM TEMP. SENSOR
FAN
WATER LEVEL SWITCH
DISPLAY
BOARD
10
CN10A
TO WIRE
CONTROLLER
5
V1.0
2015/5/08

Lennox MMDA048S4-1P Specifications

General

Brand	Lennox
Model	MMDA048S4-1P
Category	Air Conditioner
Language	English

Summary

Section 1 - Outdoor Unit Data

Section 2 - Indoor Unit Data

Section 3 - Installation Dimensions of Outdoor Units

Section 4 - Installation Dimensions of Indoor Units

Section 5 - Indoor Unit Combinations

Multi-Zone System Combinations

Lists compatible indoor unit combinations for MPA multi-zone outdoor units.

Section 6 - Refrigeration Pipe Work

Section 7 - Power Wiring for Outdoor & Indoor Units

Section 8 - Data Wiring 036 & 048 Sizes Only

Section 9 - Wiring Diagrams

Section 9.1 - Single Zone Wiring Diagrams

Wiring diagrams for single-zone outdoor units.

115V MPA009S4S-1L and MPA012S4S-1L Outdoor Unit Wiring Diagram

Wiring diagram for 115V MPA009S4S-1L and MPA012S4S-1L outdoor units.

208/230V MPA009S4S-1P and MPA012S4S-1P Outdoor Unit Wiring Diagram

Wiring diagram for 208/230V MPA009S4S-1P and MPA012S4S-1P outdoor units.

208/230V MPA018S4S-1P Outdoor Unit Wiring Diagram

Wiring diagram for 208/230V MPA018S4S-1P outdoor unit.

208/230V MPA024S4S-1P Outdoor Unit Wiring Diagram

Wiring diagram for 208/230V MPA024S4S-1P outdoor unit.

208/230V MPA030S4S-1P Outdoor Unit Wiring Diagram

Wiring diagram for 208/230V MPA030S4S-1P outdoor unit.

208/230V MPA036S4S-1P Outdoor Unit Wiring Diagram

Wiring diagram for 208/230V MPA036S4S-1P outdoor unit.

208/230V MPA048S4S-1P Outdoor Unit Wiring Diagram

Wiring diagram for 208/230V MPA048S4S-1P outdoor unit.

Section 9.1 - Multi-Zone Wiring Diagrams

Wiring diagrams for multi-zone outdoor units.

208/230V MPA018S4M-1P Outdoor Unit Wiring Diagram

Wiring diagram for 208/230V MPA018S4M-1P multi-zone outdoor unit.

208/230V MPA030S4M-1P Outdoor Unit Wiring Diagram

Wiring diagram for 208/230V MPA030S4M-1P multi-zone outdoor unit.

MPA036S4M-1P Outdoor Unit Wiring Diagram

Wiring diagram for MPA036S4M-1P multi-zone outdoor unit.

MPA048S4M-1P Outdoor Unit Wiring Diagram

Wiring diagram for MPA048S4M-1P multi-zone outdoor unit.

Section 9.1 - Indoor Unit Wiring Diagrams

Wiring diagrams for various types of indoor units.

MWMA Unit Wiring Diagram

Wiring diagram for MWMA wall-mounted indoor units.

M22A009S4-1P, M22A012S4-1P, M22A018S4-1P, M33A024S4-1P Unit Wiring Diagram

Wiring diagrams for M22A and M33A cassette indoor units.

M33A036S4-1P & M33A048S4-1P Unit Wiring Diagram

Wiring diagrams for M33A036S4-1P and M33A048S4-1P cassette indoor units.

MMDA024S4-1P Ducted Units Wiring Diagram

Wiring diagram for MMDA024S4-1P ducted indoor units.

MMDA036S4-1P & MMDA048SA-1P Ducted Units Wiring Diagram

Wiring diagrams for MMDA036S4-1P and MMDA048SA-1P ducted indoor units.

MMDA009S4-1P, MMDA012S4-1P, MMDAA018S4-1P Ducted Units Wiring Diagram

Wiring diagrams for MMDA009S4-1P, MMDA012S4-1P, MMDAA018S4-1P ducted indoor units.

MCFA024S4-1P Unit Wiring Diagram

Wiring diagram for MCFA024S4-1P ceiling/floor indoor unit.

MCFA036S4-1P Unit Wiring Diagram

Wiring diagram for MCFA036S4-1P ceiling/floor indoor unit.

MCFA048S4-1P Unit Wiring Diagram

Wiring diagram for MCFA048S4-1P ceiling/floor indoor unit.

Section 10 - Condensate Pipe Work Installation Data

Section 11 - Controls

Section 12 - Start Up

Section 13 - Fault Codes

Section 13.1 - Quick Reference Guide - Fault Codes

A quick reference guide listing fault codes for various units.

Single Zone 009/012 115VAC/208-230VAC Outdoor Units Quick Reference

Quick reference for fault codes on single zone 009/012 outdoor units.

Single Zone 018/030 208-230VAC Outdoor Units Quick Reference

Quick reference for fault codes on single zone 018/030 outdoor units.

Multi-Zone Outdoor Units Quick Reference

Quick reference for fault codes on multi-zone outdoor units.

Indoor Unit Fault Code Units Quick Reference For ALL Indoor Units

Quick reference for fault codes displayed by all indoor units.

Section 13.2 - Troubleshooting Single Zone Outdoor Units

Troubleshooting steps for single zone outdoor units.

Section 13.3 - Troubleshooting Multi-Zone Outdoor Units

Troubleshooting steps for multi-zone outdoor units.

E0 Fault Code

Details and troubleshooting for E0 fault code (Outdoor EEPROM malfunction).

E0 Flow Chart

Flowchart for diagnosing and resolving E0 fault code.

E2 Fault Code

Details and troubleshooting for E2 fault code (Communication malfunction).

E2 Flowchart

Flowchart for diagnosing and resolving E2 fault code.

E3 Fault Code

Details and troubleshooting for E3 fault code (Indoor fan speed error).

E3 Flow Chart

Flowchart for diagnosing and resolving E3 fault code.

E4 Fault Code

Details and troubleshooting for E4 fault code (Indoor return air temperature sensor error).

E4 Flow Chart

Flowchart for diagnosing and resolving E4 fault code.

E5 Fault Code

Details and troubleshooting for E5 fault code (Indoor Coil Temperature Sensor Error).

E5 Flow Chart

Flowchart for diagnosing and resolving E5 fault code.

EC Fault Code

Details and troubleshooting for EC fault code (Low refrigerant error).

EC Flow Chart

Flowchart for diagnosing and resolving EC fault code.

EE Fault Code

Details and troubleshooting for EE fault code (Water-level alarm malfunction).

EE Flow Chart

F0 Fault Code

F0 Flow Chart

F1 Fault Code

F1 Flow Chart

F2 Fault Code

F2 Flow Chart

F3 Fault Code

F3 Flow Chart

F4 Fault Code

F4 Flow Chart

F5 Fault Code

F5 Flow Chart

F6 Fault Code

F6 Flow Chart

P0 Fault Code

P0 Flowchart

P1 Fault Code

P1 Flow Chart

P3 Fault Code

P4 Fault Code

P4 Flow Chart

P5 / -- Fault Code

P6 Fault Code

P6 Flow Charts

P7 Fault Code

P7 Flow Chart