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Summary of Contents for Daikin IM796
- Page 1 Installation and Maintenance Manual IM796 Group: Unitary Part Number: IM796 Date: March 2005 MWM Wall Mounted Split Type Air Conditioner Indoor Unit Wired Wall Control (Optional) Wireless Remote Control (Standard) Outdoor Unit © 2005 Daikin IM 796 Page 1...
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Page 2: Table Of Contents
Table of Contents General Information ..........3 Unit Indicator Lights ........17 Safety Precautions ........3 IR signal receiver ........17 Unit Dimensions ..........4 Cooling only unit ........17 Indoor Units ..........4 Heat pump unit ........17 Outdoor Units ..........5 Special Features ..........19 Installation Guidelines ........ -
Page 3: General Information
General Information This manual provides the installation procedures so your air conditioner unit operates properly and pro- vides you the service it was designed to provide. CAUTION Special adjustment may be necessary to suit local requirements. Before using your air conditioner, Use copper conductors only. -
Page 4: Unit Dimensions
Unit Dimensions Indoor Units Model: MWM10F, 10FR, 15F, 15FR 7-1/8" 32" 1/2" 11-1/2" 10-7/8" FRONT VIEW 1/8" SIDE VIEW MOUNTING 28 1/2" PLATE 6 1/4" 2" 4 5/8" ELECTRICAL 2" ROUGH IN 11-1/2" 12-1/4" 2" MOUNTING PLATE Model: MWM20F, 20FR, 25F, 25FR 41-3/4"... -
Page 5: Outdoor Units
Outdoor Units Model: MLC10B, 10BR, 15B, 15BR 1 1/2 2 3/4 PIPE CONNECTION 12 1/2 13 3/4 10 3/4 TOP VIEW 1 1/2 10 3/4 10 1/2 5 1/2 ELECTRICAL ACCESS PANEL 18 5/8 WITH 7/8" KNOCKOUT 19 3/8 2 1/2 2 1/2 FRONT VIEW SIDE VIEW... -
Page 6: Installation Guidelines
Installation Guidelines Installation Diagram Installation of the Indoor Unit Indoor Unit Clearances The indoor unit must be installed in a manner to prevent mixing the cool discharged air with the hot return air. Please follow the installation clearances shown in Figure 2. Do not place the indoor unit in direct sunlight. -
Page 7: Mounting Plate Installation
Mounting Plate Installation Installing Unit on Mounting Plate The mounting plate ships attached to the back of the indoor Hook the indoor unit onto the upper portion of the mounting unit. To detach for mounting on wall, remove plastic rivet plate (Engage the two hooks at the rear top of the indoor unit from bottom (pry loose with a knife blade) and unhook. -
Page 8: Refrigerant Tubing
Refrigerant Tubing Tubing Length & Elevation Figure 10. Cutting and Flaring Tube Copper tubing to connect the indoor and outdoor units is sup- plied by others or it can be ordered from the factory. See Table 1 for requirements. Cover both tubes individually with Cutting Copper Tube 3/8"... -
Page 9: Electrical Connections
Electrical Connections Figure 13. Terminal Block and Wire Clamp WARNING Improper installation can cause severe personal injury or death. Wiring must be done by a qualified technician in compliance with local codes. • Wiring must be in accordance with all applicable electri- cal codes. -
Page 10: Wiring Diagrams
Wiring Diagrams INDOOR UNIT MODEL : MWM 10F - 15F MAIN BOARD DISPLAY BOARD IR_RCV ROOM INDOOR COIL THERMISTOR SWITCH BOARD ROOM THERMISTOR COMP 5 3 1 ORANGE (LO) BROWN (MED) BLACK (HI) BLUE WHITE BLUE BLUE FAN MOTOR BLUE CAPACITOR YELLOW/GREEN COMP N2... - Page 11 INDOOR UNIT MODEL : MWM 20F - 25F MAIN BOARD (SHORTED FOR DISPLAY BOARD AUTO RESTART) IR_RCV ROOM INDOOR COIL THERMISTOR SWITCH BOARD ROOM THERMISTOR COMP ORANGE (LO) 5 3 1 BROWN (MED) BLACK (HI) BLUE WHITE BLUE BLUE FAN MOTOR BLUE CAPACITOR YELLOW/GREEN...
- Page 12 MAIN BOARD OPTIONAL NETWARE 2 CONTROLLER ROOM THERMISTOR INDOOR COIL THERMISTOR CN12 T3 15A BLACK (HI) ORANGE (LO) COMP LOW VOLTAGE CABLE TO OUTDOOR COIL SENSOR 12 GA. WIRE COMP Page 12 IM 796...
- Page 13 INDOOR UNIT - 208/230V/1/60 MODEL : MWM 10FR - 15FR MAIN BOARD ROOM THERMISTOR INDOOR COIL THERMISTOR OPTIONAL NETWAR CONTROLLER ORANGE (LO) BLACK (HI) YELLOW/GREEN COMP LOW VOLTAGE CABLE TO 12 GA. WIRE OUTDOOR COIL SENSOR COMP ORANGE IM 796 Page 13...
- Page 14 INDOOR UNIT INDOOR UNIT MODEL : MWM 20FR - 25FR MODEL : MWM 20FR - 25FR MAIN BOARD MAIN BOARD ROOM THERMISTOR ROOM THERMISTOR SWITCH BOARD (SHORTED FOR DISPLAY BOARD AUTO RESTART) IR_RCV INDOOR INDOOR COIL COIL THERMISTOR THERMISTOR OPTIONAL COMP NETWARE 2 CONTROLLER...
- Page 15 OPTIONAL LOW AMBIENT KIT MODEL : MLC WHITE WHITE CAPACITOR BLUE BLUE GREEN/YELLOW BLUE BLUE CAPACITOR BROWN YELLOW ORANGE COMP OUTDOOR COIL SENSOR FSCM NOTATION HP ONLY CM - COMPRESSOR MOTOR (TO 4WV) OF - OUTDOOR FAN OL - OVERLOAD (TO INDOOR UNIT) FSCM - FAN SPEED CONTROL MODULE IM 796...
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Page 16: Evacuating And Charging
Evacuating and Charging Evacuating the tubing and the indoor unit Table 5: Additional R-22 ounces (when tubing length is more than 25 feet) The outdoor unit is pre-charged with refrigerant R-22. The indoor unit and the refrigerant connection tubing must be Model 26’... -
Page 17: Unit Indicator Lights
Unit Indicator Lights IR signal receiver Table 6: LED Indicator Lights: Normal Operation and Fault Conditions for Cooling Only Unit When an infrared remote control operating signal is transmit- ted, the signal receiver on the indoor unit beeps to confirm Mode acceptance of the signal transmission. - Page 18 Table 7: LED Indicator Lights: Normal Operation and Fault Conditions for Heat Pump Unit Mode or Fault Action Cool Heat Sleep Cooling — — — Heat — Auto mode in heating operation. * — Auto mode in cooling operation. * —...
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Page 19: Special Features
Special Features Dry mode Overheating protection (heat pump only) • Select this mode when the standard Cool mode does not • If the indoor coil temperature exceeds 145°F because of provide sufficient dehumidification. The compressor and high ambient conditions, dirty air filter, etc., the compres- indoor low fan will cycle together and will operate for sor will turn off. -
Page 20: Electrostatic Air Purifying Filter
Low Ambient Kit Figure 22. Installing Filters With this option, the unit can cool down to 32°F outdoor Open Grille temperature. (Standard units only cool down to 66°F.) To install, wire the Fan Speed Control Module (FSCM) in the outdoor unit per wiring diagram on Page 15. Attach the Out- door Coil Sensor to the return bend as shown in Figure 23. -
Page 21: Remote Controller Operation Guide
Remote Controller Operation Guide Signal Transmission Indication Transmission source • Blinks to confirm the last setting • The source where the signal is was sent to the unit. transmitted. Temperature Setting On/Off Button • Set the desired room temperature • Press once to start the air by pressing the buttons to increase conditioner. -
Page 22: Optional Netware 2 - Wired Wall Control
Netware 2 - Optional Wired Wall Control (Heat Pump Only) Features: Modes - Cool, Heat, Auto, Dry, Fan and Off. AUTO SLEEP Temperature Range - 60° F to 86° F. (Press both arrows SWING DRY AUTO COOL HEAT FAN simultaneously to convert from °C to °F.) SET CLOCK Timer - Seven day clock capable of a different On/Off °F... -
Page 23: Service And Maintenance
Service and Maintenance Troubleshooting CAUTION If any malfunction of the unit is noted, immediately switch Disconnect the electrical power supply before performing off the power supply. any service, maintenance or troubleshooting. Check the following chart for possible causes/treatments. Maintenance Schedule If the trouble persists, please call your local Item Maintenance Procedures... - Page 24 This document contains the most current product information as of this printing. For the most up-to-date product information, please go to www.DaikinApplied.com. Daikin Applied 800.432.1342 www.DaikinApplied.com © 2004 Daikin...