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MMA036S4
Lennox MMA036S4 Manuals
Manuals and User Guides for Lennox MMA036S4. We have
1
Lennox MMA036S4 manual available for free PDF download: Service Manual
Lennox MMA036S4 Service Manual (88 pages)
Brand:
Lennox
| Category:
Air Conditioner
| Size: 15.93 MB
Table of Contents
Table of Contents
1
Safety Precautions
3
Refrigerant Presence
3
Fire Extinguisher
3
No Ignition Sources
3
Ventilated Workspace
4
Check Refrigeration Equipment
4
Check Electrical Devices
4
Repair Seal Components
4
Repair to Intrinsically Safe Components
4
Check Cabling
4
Flammable Refrigerant Detection
5
Remove/Evacuation of Refrigerant
5
Charging Procedures
5
Decommissioning
6
Labeling
6
Recovery
6
Indoor Unit Information
7
MMA (Mini-Split Multi-Position Air Handler)
7
Model Number Identification
7
Indoor Unit Specifications
7
MMA Indoor Unit Dimensions
9
MMA Indoor Unit Clearances
10
Indoor Unit Blower Data
11
Noise Criterion Curves
15
Indoor and Outdoor Power and Communication Wiring Requirements
17
Overview
17
Indoor/Outdoor Unit Match-Ups
18
Controller Compatibility
18
Electrical Wiring Diagrams
19
Wiring Guide
20
Terminal Connections
22
Connection to Centralized Controller, ON/OFF and Alarm Devices
24
Centralized Controller
24
ON/OFF Devices
24
Alarm Devices
25
Micro-Switch Introduce
25
Dial Codes
26
Connecting Cables
29
Outdoor Unit Information
30
Single and Multi-Zone Outdoor Units
30
Model Number Identification
30
Outdoor Unit Specifications
32
Single-Zone Outdoor Unit Dimensions
39
Multi-Zone Outdoor Unit Dimensions
40
Outdoor Unit Clearances - Single Units
41
Outdoor Unit Clearances - Multiple Units
42
MLB and MPC Multi-Zone System Combinations
43
Refrigeration Pipe Work
49
MPC Single-Zone Refrigerant Cycle Diagram
49
MPC Two-Zone Refrigerant Cycle Diagram
49
MPC Three-Zone Refrigerant Cycle Diagram
50
MPC Four-Zone Refrigerant Cycle Diagram
50
MPC Five-Zone Refrigerant Cycle Diagram
51
Single-Zone Piping Limitations
52
Multi-Zone Piping Limitations
52
Master Valves (3 to 5 Zone Outdoor Units)
54
MLB and MPC Multi-Zone Outdoor Unit Connections and Line Set Usage
54
Power and Communication Wiring for Systems
62
Outdoor Unit Condensate Piping
63
MPC Condensate Pump Diagrams
64
Installation Requirements
65
Torque Requirements
65
Pipe Length and Elevation
65
Electronic Function
69
Abbreviations
69
Electric Control Working Environment
70
Start-Up
70
Adding Refrigerant - Single-Zone Systems
70
Adding Refrigerant - Multi-Zone Systems
70
Single and Multi-Zone Outdoor Control Connections
71
Specifications And Operations
76
Pressure on Service Port
77
Cooling Charts
77
Heating Chart
77
Capacity Request Calculations
78
Heating Mode
79
Defrost Control
81
Defrost Theory
81
Defrost Termination
81
Outdoor Fan Control
82
Four-Way Valve Control
83
Electronic Expansion Valve (EXV) Control
83
Error Codes
84
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