Table Of Contents; Model Numbers - Daikin IM-820 Installation And Maintenance Manual

Table of Contents

Model Numbers . . . . . . . . . . . . . . . . . . . . . 2
General Information . . . . . . . . . . . . . . . . . . 3
Safety Precautions ....................................... 3
Unit Dimensions . . . . . . . . . . . . . . . . . . . . 4
Indoor Units .................................................. 4
Outdoor Units ............................................... 4
Installation Guidelines . . . . . . . . . . . . . . . 5
Installation Diagram ..................................... 5
Installation of Outdoor Unit ........................... 5
Installation of the Indoor Unit ....................... 6
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Indoor Unit Clearances . . . . . . . . . . . . . . . . 6
Standard Mounting . . . . . . . . . . . . . . . . . . . 7
Semi-enclosed Mounting . . . . . . . . . . . . . . 7
Refrigerant Tubing . . . . . . . . . . . . . . . . . . 8
Tubing Length & Elevation . . . . . . . . . . . . . 8
Tubing Preparation . . . . . . . . . . . . . . . . . . . 8
Tubing Connection To Units . . . . . . . . . . . . 8
Electrical Connections . . . . . . . . . . . . . . . 9
Wiring Diagrams . . . . . . . . . . . . . . . . . . . 10
Evacuating and Charging . . . . . . . . . . . . 17
Evacuating the tubing and the indoor unit . 17

Model Numbers

Cooling Only
Indoor Unit
MCM20D
MCM25D
MCM30D
MCM40D
MCM50D
Cooling/Heat Pump
Indoor Unit
MCM20DR
MCM25DR
MCM30DR
MCM40DR
MCM50DR
Page 2
Additional charge . . . . . . . . . . . . . . . . . . . .17
Charge operation . . . . . . . . . . . . . . . . . . . . 17
Remote Controller Operation Guide . . . .18
Netware 2 - Wired Wall Control (Optional) 19
Special Features . . . . . . . . . . . . . . . . . . . .20
Dry mode . . . . . . . . . . . . . . . . . . . . . . . . . .20
Heat mode (heat pump only) . . . . . . . . . . .20
Overheating protection (heat pump only) . .20
Frost prevention . . . . . . . . . . . . . . . . . . . . .20
Fan speed and rated cooling capacity . . . .20
Operating Conditions ................................. 20
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Overall Checking . . . . . . . . . . . . . . . . . . . .20
Unit Indicator Lights . . . . . . . . . . . . . . . . 21
IR signal receiver . . . . . . . . . . . . . . . . . . . .21
Netware 2 - Wired Wall Control (Optional) .21
Service and Maintenance . . . . . . . . . . . . 22
Electrostatic Filters . . . . . . . . . . . . . . . . . . 22
Filter Replacement . . . . . . . . . . . . . . . . . . .22
Startup After Extended Shutdown . . . . . . .22
Troubleshooting . . . . . . . . . . . . . . . . . . . . .22
Service and Maintenance . . . . . . . . . . . . . .23
Outdoor Unit
MLC20B
MLC25B
MLC30C
MLC40C
MLC50C
Outdoor Unit Nominal Cooling - BTUH
MLC20BR
MLC25BR
MLC30CR
MLC40CR
MLC50CR
Nominal Cooling - BTUH
Nominal Heating - BTUH
20,000
24,000
30,000
40,000
50,000
20,000
25,000
30,000
40,000
50,000
21,000
25,000
32,000
41,000
48,000
IM 820