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Unico i Series Manual

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Summary of Contents for Unico i Series

  • Page 3 For proper installation and future reference, follow these instructions and mark each Check Box.                           ...
  • Page 5 OPERATING LIMITS ................................1 ALLOWED MATCHUPS ................................. 1 LINESET SIZES ..................................2 INDOOR UNIT LOCATION DESIGN LIMITS ........................... 2 MAXIMUM ALLOWABLE LINESET LENGTHS ........................3 FACTORY REFRIGERANT CHARGE ............................3 ADDING REFRIGERANT ................................ 3 OUTDOOR UNIT DIMENSIONS ............................4 TOOLS & MATERIALS REQUIRED FOR INSTALLATION ......................6 POWER SUPPLY ...................................
  • Page 8 Room Temperature Outdoor Temperature Minimum Maximum Minimum Maximum Cooling 50°F (10°C) D.B. 90°F (32°C) D.B. -25°F (-32°C) D.B. 122°F (50°C) D.B. Operation 17°F (6°C) W.B. 73°F (23°C) W.B. Heating 75°F (24°C) D.B. 41°F (5°C) D.B. 91°F (27°C) D.B. -25°F (-32°C) D.B. Operation 65°F (18°C) W.B.

  • Page 9: Outdoor Unit

    Table 1. Lineset Sizes, Outside Diameter Indoor Unit Model Small Tube (Liquid Line) Large Tube (Vapor Line) Size IS12MPA 1/4" (6,35 mm) 3/8" (9,52 mm) IS24MPB U1218L-1EA2AX 1/4" (6,35 mm) 1/2" (12,70 mm) M2430BL1-EA2 + M2430CL-A M3036BL1-EA2 + M3036CL-A 3/8" (9,52 mm) 5/8"...
  • Page 10 The lengths below are the maximum lineset lengths for the given system configurations. If your installation requires a lineset length that exceeds the pre-charged length, additional refrigerant is required. See the section Adding Refrigerant, below, to determine how much to add. Pre-Charged (As Shipped) With Additional Refrigerant Outdoor Unit...
  • Page 13 1. Standard screwdriver 9. Hammer 16. Hex key, 5mm 2. Phillips head screwdriver 10. Drill 17. Unico P/N: A02131-K01. Communication Tool Kit for 3. Knife or wire stripper 11. Tube cutter Troubleshooting and upgrading 4. Tape measure 12. Tube flaring tool firmware (requires Windows PC) 5.
  • Page 15 12" (500) 80" 16" 80" (2000) (400) 12" (2000) (500) 60" (1500) 4" (100) Dimensions in inches (mm) 4" (100) 16" 4" (400) (100) min. 5/16" (8 mm) min. 5/16" (8 mm) Insulation...
  • Page 16 Lubricate 45° approx. 1/8" (3 mm) TUBE DIA. TIGHTENING TORQUE (Approx.) 10 - 15 lb•ft 1/4" (6.4 mm) (150 - 200 kg-cm or 14 - 20 N-m) 25 - 30 lb•ft 3/8" (9.5 mm)  (350 - 400 kg-cm or 34 - 40 N-m) ...
  • Page 17 EMIX EMIX UNIT FRO M EMIX UN IT UNIT UNIT UNIT...
  • Page 18 EMIX EMIX UNIT FRO M EMIX UNIT UNIT UN IT UNIT...
  • Page 19 UNIT UNIT UNIT...
  • Page 21 EMIX PORT: SEE EMIX UNIT OR EMIX TANK INSTALLATION MANUAL...
  • Page 22 ADAPTER, REDUCER, FLARE 1/4F X 3/8M INCL. WITH INDOOR UNIT ADAPTER, SPLITTER 1/2F X 3/8F X 5/8M INCL. WITH INDOOR UNIT...

  • Page 29: Indoor Unit

    The diagrams below show how to connect the power and communications wiring for single and multi-split system types. 1 INDOOR UNIT 1 INDOOR UNIT...

  • Page 30: Indoor Units

    2 INDOOR UNITS 2 INDOOR UNITS...
  • Page 31 3 INDOOR UNITS 3 INDOOR UNITS...
  • Page 32 4 INDOOR UNITS 4 INDOOR UNITS...
  • Page 33                          = Required (24VAC)  = optional...
  • Page 34 C1 C2 COMMUNICATION DRAIN ALARM TSTAT PUMP FLOAT SWITCH C1 C2 COMMUNICATION FLOAT ALARM SWITCH TSTAT CONDENSATE PUMP 230V/1Ph/60Hz 3A MAX C1 C2 COMMUNICATION FLOAT DRAIN SWITCH TSTAT PUMP ALARM (Light or Relay) 230V/1Ph/60Hz 3A MAX...
  • Page 35 3 4 5 6 7 8 1 2 3 4 5 OUTPUT INPUT (WHT) (WHT) RELAY BOARD +24V A01837-G01 HEATER THERMOSTAT (WHT) R B G Y1 Y2 C C S1 S2 S3 REMOTE ON/OFF (SEE MANUAL) SOLID Maximum RPM is not set LED 1 (Red) Maximum RPM is already set BLINKING...
  • Page 36         ...

  • Page 37: Relay Board

    RELAY BOARD Y1 Y2 S1 S2 S1 S2 S3 ELECTRIC HEATER...
  • Page 38 Blower Hydronic Refrigerant Control Module Coil Coil Plenum Adapter RELAY BOARD Y1 Y2 S1 S2 SPST NO RELAY 24VAC TO DRY CONTACT (Field-Supplied) BOILER TT/XX...
  • Page 39 Blower Hydronic Refrigerant Control Module Coil Coil Plenum Adapter...
  • Page 40 Blower Refrigerant Hydronic Control Module Coil Coil Plenum Remove RAT Adapter sensor from the Refrigerant coil and place upstream of the Hydronic coil. RELAY BOARD Y1 Y2 S1 S2 SPST NO RELAY 24VAC TO DRY CONTACT (Field-Supplied) BOILER TT/XX RELAY BOARD Y1 Y2 S1 S2 S1 S2 S3...
  • Page 42 Relay Board R B G Y1 Y2 C Relay Board R B G Y1 Y2 C Relay Board R B G Y1 Y2 C Relay Board R B G Y1 Y2 C...
  • Page 43   ...
  • Page 44                          Dial to desired SFM Press hold 6 seconds...
  • Page 45 Dial to desired Value 38.4208.060 Press LED 1 LED 2 LED 3 hold MMI BOARD A01865-G01 6 seconds Send SFM Code 38.4208.060 Press LED 1 LED 2 LED 3 hold MMI BOARD A01865-G01 6 seconds Send SFM Value Press hold 6 seconds...
  • Page 46    Value Setpoint Table  Setpoint Value  † multiplier multiplier Send this value… …to get this setpoint.     1000 1100 1200 1300  1400 1500  1600  1700 1800   Applies to SFM 23, 24 †...
  • Page 47                                   ...
  • Page 48                   °               ...
  • Page 51 LEGEND Thermostat Adapter (Relay Board) LED LIGHTS INPUTS (FROM THERMOSTAT) A01837-G01 B: HEATING MODE G: FAN ONLY Y1: LOW STAGE HEAT/COOL Y2: HIGH STAGE HEAT/COOL S1: STAGE 1 AUXILIARY HEAT S2: STAGE 2 AUXILIARY HEAT S3: STAGE 3 AUXILIARY HEAT AUX: 24VAC OUT BELOW AHCS PLUGS P4: POWER, 24VAC...
  • Page 56 37-3170-132-00 37-3170-133-00...
  • Page 59 IS18G050...
  • Page 60 IS18G050 Spare Parts List IS18G050 Spare Parts List Item Description Item Description BOTTOM PANEL ASSY 34 A02008-G02 EEV CONTROL BOARD, 2V COMPRESSOR MOUNTING EEV PCB CABLES PLATE REFRIGERANT TEMP. 36 A02077-001 INSULATION, COIL RETURN PROBE ASSY BEND 37 A02078-001 OCT SENSOR COMPR.
  • Page 61 IS24G065...
  • Page 62 IS24G065 Spare Parts List IS24G065 Spare Parts List Item Description Item Description BOTTOM PANEL ASSY ELECTRICAL J. BOX 2 A02187-001 PARTITION PANEL ASSY 48 A02098-G01 COMM FUSE CABLE ASSY VALVE SUPPORT PLATE 49 A02099-001 11P TERMINAL BLOCK 4 A02083-001 FAN BLADE 50 A02100-001 3P TERMINAL BLOCK FAN BLADE RETAINING NUT INDUCTOR,...
  • Page 63 IS30G080...
  • Page 64 IS30G080 Spare Parts List IS30G080 Spare Parts List Item Description Item Description BOTTOM PANEL ASSY CABLE CLAMPS A02187-002 PARTITION PANEL ASSY INDUCTOR A02101-001 30KHZ/1.5MH/T90/12A OUTDOOR COIL ASSY A02008-G01 EEV CONTROL BOARD, 4V PROTECTIVE MESH A02102-001 EMI FILTER 250V/16A COMPRESSOR MOUNTING PLATE EEV PCB CABLES A02103-001...
  • Page 65 IS36G110...
  • Page 66 IS36G110 Spare Parts List IS36G110 Spare Parts List Item Description Item Description BOTTOM PANEL ASSY INDUCTOR A02115-001 INTERIOR PARTITION 30KHZ/1.5MH/22A A02187-003 PANEL 52 A02008-G01 EEV CONTROL BOARD, 4V OUTDOOR COIL ASSY A02102-002 EMI FILTER PROTECTIVE MESH EEV PCB CABLES A02103-001 G065/G080/G110 COMPRESSOR MOUNTING PLATE...
  • Page 67 Unico Part Fuse Location Fuse Type Fuse Rating Fuse Dimensions Number 1/4” x 1.25” IS24G050 Main PCB Fast Blow 500VAC, 10A A02221-001 (6.3mm x 32mm) 1/4” x 1.25” IS24G065 Main PCB Fast Blow 500VAC, 12.5A A02221-002 (6.3mm x 32mm) 1/4” x 1.25”...
  • Page 68 LEDs Error Code Meaning BLUE GREEN Priority (D1 or LD2) (DL2 or LD3) (DL1 or LD1) (Normal Operation)    Unit is stopped. (Normal Operation)    Unit is stopped, indoor units are ready to run. (Normal Operation) ...
  • Page 69 LEDs Error Code Meaning DL1 DL2 DL3 DL4 DL5 Priority (Normal Operation)      Outdoor Unit (ODU) has power (Normal Operation)      Outdoor Unit (ODU) has power. Indoor units ready to run. (Factory Test Mode) (DL1 blinks) ...
  • Page 70 NOTES...
  • Page 71 NOTES...
  • Page 72 Technical support: Unico, Inc. Customer Service +1 (314) 481-9000 +1 (800) 527-0896 service@unicosystem.com http://tech.unicosystem.com...

This manual is also suitable for:

Is18g050Is24g065Is30g080Is36g110Is12mpaIs24mpb ... Show all