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International Refrigeration Products, Inc.
MINI-SPLIT INSTALLATION
AND MAINTENANCE MANUAL
12A45YOMI
12A45ZOMI
18A45ZOMI
24A45ZOMI
950-0211revA
A/C
9A45YIMI
12A45YIMI
12A45ZIMI
18A45ZIMI
24A45ZIMI
9A45YOMI
HEAT PUMP
9H45YIMI
12H45YIMI
12H45ZIMI
18H45ZIMI
24H45ZIMI
9H45YOMI
12H45YOMI
12H45ZOIMI
18H45ZOMI
24H45ZOMI
March 7, 2014
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Summary of Contents for Thermal Zone A/C 9A45YIMI
- Page 1 International Refrigeration Products, Inc. MINI-SPLIT INSTALLATION AND MAINTENANCE MANUAL HEAT PUMP 9A45YIMI 9H45YIMI 12A45YIMI 12H45YIMI 12A45ZIMI 12H45ZIMI 18A45ZIMI 18H45ZIMI 24A45ZIMI 24H45ZIMI 9A45YOMI 9H45YOMI 12A45YOMI 12H45YOMI 12A45ZOMI 12H45ZOIMI 18A45ZOMI 18H45ZOMI 24A45ZOMI 24H45ZOMI 950-0211revA March 7, 2014...
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Page 2: Table Of Contents
TABLE OF CONTENTS Note to Installer ………………………………………………………………..2 Installer Supplied Items ………………………………………………….…..3 Parts Included with unit ………………………………………………….…..3 Items for Considerations ………………………………………………….…...3 Unit Installation …………………………………………………………………..5 Unit Installation (indoor) ………………………………………………………..6 Unit Installation (outdoor) ………………………………………………………9 Main Power Wiring ………………………………………………………………10 Controls Wiring ……………………………………………………………..……10 Wiring Diagram…………………………………………………………… 11 Unit Start Up ……………………………………………………………………13 Refrigerant Charge …………………………………………………………...14 Pressure Curves ……………………………………………………..………15... -
Page 3: Note To Installer
Installation and Maintenance Manual Report shipping damage to carrier IMMEDIATELY. Check units and box exterior for damage. NOTE TO INSTALLER This manual is to aid the qualified HVAC contractor in the installation and maintenance of this mini-split system. Please read and understand these instructions prior to installing the unit, failure to comply with these instructions may result in improper installation, operation and maintenance, possibly resulting in fire, electrical shock, property damage, personal injury or death. -
Page 4: Installer Supplied Items
Installer Supplied Items The following items are necessary for the installation of the ductless mini splits. Refrigerant line set: Flared connection only, suitable for R410A with both lines insulated, max length for connection see specification pages 17 to 21. ... - Page 5 Installation (CONT’D). Unit Max Line Set Run Max Vertical Lift Line Sizes 9A45YMI 1/4” Liquid – 3/8” Suction 66 Feet 26 Feet 9H45YMI 12A45YMI 1/4” Liquid – 1/2” Suction 66 Feet 26 Feet 12H45YMI 12A45ZMI 1/4” Liquid – 3/8” Suction 66 Feet 26 Feet 12H45ZMI...
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Page 6: Unit Installation
Installation (CONT’D). Wall Bracket: Mounting the outdoor unit on the wall is common; this allows mounting the outdoor unit closer to the indoor unit and also for a convenient installation. We offer wall brackets (Our Catalog# BR-440L for up to 440 lbs) as an accessory. UNIT INSTALLATION CAUTION! Follow Instructions, failure to follow instructions may cause possible malfunction and void any warranty. -
Page 7: Unit Installation (Indoor)
Step 1 INDOOR INSTALLATION Remove Indoor and Outdoor units from the carton. Indoor unit carton contains Remote Control and Batteries, ensure these are kept in a safe place during installation. Step 2 Locate area to Install Indoor unit Indoor unit must be located a minimum of 4 ft. from the floor and 6” from the ceiling. -
Page 8: Spe Cific A Tion
Installation (CONT’D). Hole Diameter Model R (inch) L (inch) H (inch) D (inch) (inch) 24A45ZOMI 6.42 11.54 1.77 14.78 24H45ZOMI Ensure no obstacles to airflow are directly in front of the unit, for a minimum of 12 ft for 9,000 / 12,000 Btu/h units and 16 ft. - Page 9 Installation (CONT’D) Step 5 Prepare Unit Line Set Connections Rotate refrigerant line stubs set gently through 90° (if mounting on an outside wall). For other line set configurations align the stubs as required. Tips: Use Duct tape to tape the condensate hose (make sure it is below the line set stubs).
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Page 10: Unit Installation (Outdoor)
Installation (CONT’D). Step 6 Install unit on mounting bracket. Feed the line set stubs/condensate hose/wiring connections through the 3'' hole. Installation can be made easier by lifting the indoor unit and inserting a cushioning material (spacer) between indoor unit and the wall. Hook the top of the indoor unit to the top of the bracket (2 or 3 places) and once hooked, gently let it swing down and then push the lower portion of the indoor unit against the bracket until it snaps into the bracket. -
Page 11: Main Power Wiring
Installation (CONT’D). If a flared section is defective, cut it off and follow standard flaring procedures again. See caution note page 5. Align the center of the piping flare to its’ mating connector, then screw on the flare nut by hand and then tighten the nut with a spanner and torque wrench. Note: Exceeding the tightening torque will damage the flare surface. -
Page 12: Wiring Diagram
WIRING DIAGRAM 1(L) 2(N) S 9 K a nd 1 2 K 11 5 VAC Green wire for GND 115 VAC INPUT L1 L2 L1 L2 Green wire for GND L1 L2 L1 L2 24K,230VAC Green wire for GND Note: 1. - Page 13 Installation (CONT’D). Step 12 Condensate Hose Unit is provided with approximately 18'' of condensate hose. Hose connection is sized to accept a 5/8'' OD or 1/2'' ID clear plastic hose to then extend to building drain. Connect it to the gray condensate line coming from the indoor unit.
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Page 14: Unit Start Up
Unit Start Up The system can now be opened to allow the refrigerant charge in the outdoor unit to be released into the line set. The service valves require a 5 mm Allen wrench to undo the valve stems. Remove brass caps from the service valves. -
Page 15: Refrigerant Charge
Energize the breaker to power up the system. Compressor has a 3 minute time delay on startup. NOTE: Outdoor unit is pre-charged with enough R410A refrigerant for a line set up to 25 ft. long. For longer line set lengths additional charge must be WEIGHED in per the following table. Chart shows amount of additional refrigerant needed with different length line sets. -
Page 16: Pressure Curves
NOTE: After installation, the pressure reading should be as indicated below. Take from the service port, the pressure under the outdoor temperature should match the charts readings. Cooling chart: COOLING MODE Outdoor Temp > 75° F 85° F 95° F 105°... - Page 17 Heating Chart: HEATING MODE Outdoor Temp > 57° F 47° F 37° F 27° F 17° F Indoor Temp v 55° F 439.0 413.0 367.0 330.0 302.0 65° F 471.0 435.0 386.0 368.0 339.0 75° F 489.0 457.0 403.0 381.0 362.0 Pressure (PSI) Outdoor Temperature...
- Page 18 TECHNICAL SPECIFICATIONS FOR 9000 BTU AC AND HP (115V) 244-1201-E, 244-1201-C 244-1301-E, 244-1301-C (Thermal Zone - Sea Breeze) Indoor / Outdoor 9A45YIMI, 9A45YOMI 45YIMI, 9H45YOMI Power supply PH-V-Hz 1Ph,115V～, 60Hz 1Ph,115V～, 60Hz Max. current / Breaker size / Min. circuit ampacity...
- Page 19 TECHNICAL SPECIFICATIONS FOR 12000 BTU AC AND HP (115V) 244-1202-E, 244-1202-C 244-1302-E, 244-1302-C (Thermal Zone - Sea Breeze) Indoor / Outdoor A45YIMI, 12A45YOMI 45YIMI, 12H45YOMI Power supply PH-V-Hz 1Ph,115V～, 60Hz 1Ph,115V～, 60Hz Max. current / Breaker size / Min. circuit ampacity...
- Page 20 TECHNICAL SPECIFICATIONS FOR 12000 BTU UNITS (208-230V) 244-1203-E, 244-1203-C 244-1303-E, 244-1303-C (Thermal Zone - Sea Breeze) Indoor / Outdoor 12A45ZIMI, 12A45ZOMI 12H45ZIMI, 12H45ZOMI Power supply PH-V-Hz 1Ph,208/230V～,60Hz 1Ph,208/230V～,60Hz Max. current / Breaker size / Min. circuit ampacity 8/15/10 8/15/10 Starting current...
- Page 21 TECHNICAL SPECIFICATIONS FOR 18000 BTU UNITS (208-230V) 244-1204-E, 244-1204-C 244-1304-E, 244-1304-C (Thermal Zone - Sea Breeze) Indoor / Outdoor 18A45ZIMI, 18A45ZOMI 18H45ZIMI, 18H45ZOMI Power supply PH-V-Hz 1Ph,208/230V～,60Hz 1Ph,208/230V～,60Hz Max. current / Breaker size / Min. circuit ampacity 13/20/14 13/20/14 Starting current...
- Page 22 TECHNICAL SPECIFICATIONS FOR 24000 BTU UNITS (208-230V) 244-1205-E, 244-1205-C 244-1305-E, 244-1305-C (Thermal Zone - Sea Breeze) Indoor / Outdoor 24A45ZIMI, 24A45ZOMI 24H45ZIMI, 24H45ZOMI Power supply PH-V-Hz 1Ph,208/230V～,60Hz 1Ph,208/230V～,60Hz Max. current / Breaker size / Min. circuit ampacity 14/25/16 14/25/16 Starting current...
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Page 23: Troubleshooting
TROUBLESHOOTING Indoor Unit Error Code Display Display LED STATUS Indoor unit EEPROM parameter error. / Disconnect power for 3 minutes then restart. If “EO” appears again replace PC board. Indoor - outdoor units communication error. / Check for cross wiring and wire continuity. If OK replace the PC board. -
Page 24: Importance Of A Deep Vacuum
The Importance of Deep Vacuum: The purpose of a vacuum pump is to remove moisture and air from an A/C-R system. Modern systems are built tighter and charges are more critical. That means these systems have a greater sensitivity to moisture and other contaminants, making thorough evacuation more important than ever before. -
Page 25: Warranty
WARRANTY International Refrigeration Products warrants the accompanying split air conditioner or heat pump system to be free of defects in material and workmanship for the applications specified in the operation manual and installation manual for a period of one (1) year on parts and five (5) years on compressor, valid from the date of original retail purchase in the United States or Canada.
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