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Unico IS12MPA iSeries Installation Instructions Manual

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 Cooling Maximum conditions
Outdoor temperature :
Room temperature :
 Cooling Minimum conditions
Outdoor temperature :
Room temperature :
Outdoor - Indoor unit combinations:
See Outdoor unit installation manual.
A - B - C - D
= indoor unit size
Size
Indoor Unit Model Number
A
IS12MPA
B
IS24MPB
ACCESSORIES SUPPLIED WITH THE WALL MOUNT INDOOR UNIT
Item
Qty
Description
1
1
Remote control
2
2
AAA batteries
Bulletin 30-122.2014.04.006
(SAC xx.xxxx.xxx.xx)

INSTALLATION INSTRUCTIONS

OPERATING LIMITS
122 °F (50°C) D.B.
90 °F (32°C) D.B.
73 °F (23°C) W.B.
5 °F (-15°C) D.B.
50 °F (10°C) D.B.
17 °F (6°C) W.B.
1
- High-wall indoor unit -
 Heating Maximum conditions
Outdoor temperature :
Room temperature :
 Heating Minimum conditions
Outdoor temperature :
Room temperature :
Power Supply:
208-230V, 1 ph, ~ 60 Hz
75 °F ( 24°C) D.B.
65 °F (18°C) W.B.
91 °F (27°C) D.B.
-25 °F (-32°C) D.B.
41 °F (5°C) D.B.
2
1
Copyright © 2014 Unico, Inc.

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Summary of Contents for Unico IS12MPA iSeries

  • Page 1: Installation Instructions

    A - B - C - D = indoor unit size Size Indoor Unit Model Number IS12MPA IS24MPB ACCESSORIES SUPPLIED WITH THE WALL MOUNT INDOOR UNIT Item Description Remote control AAA batteries Bulletin 30-122.2014.04.006 Copyright © 2014 Unico, Inc. (SAC xx.xxxx.xxx.xx)
  • Page 2 Improper connections and inadequate grounding can cause toxic gas and dangerous if in contact with flames or heat- accidental injury and death sources. Bulletin 30-122.2014.04.006 Copyright © 2014 Unico, Inc. (SAC xx.xxxx.xxx.xx)
  • Page 3 4. Tape measure 10. Drill 15. Reamer (for de-burring) 5. Level 11. Tube cutter 16. Hex. key 6. Sabre saw or hole saw TUBING DESIGN LIMITS See Outdoor unit installation manual Bulletin 30-122.2014.04.006 Copyright © 2014 Unico, Inc. (SAC xx.xxxx.xxx.xx)

  • Page 4: Indoor Unit

    Use the screws to fix the rear panel to the wall. Make sure the panel is flush against the wall and level. Any space between the wall and unit will cause noise and vibration. Bulletin 30-122.2014.04.006 Copyright © 2014 Unico, Inc. (SAC xx.xxxx.xxx.xx)
  • Page 5 Then push lightly on the shown marks (arrows). Running power wires plus ground wire from indoor to outdoor unit (use table to determine wire size). Tubing connections on right or left side. Cut a corner of the frame. Bulletin 30-122.2014.04.006 Copyright © 2014 Unico, Inc. (SAC xx.xxxx.xxx.xx)
  • Page 6 Push lightly to fix the unit to the rear panel. Connect the line set to the refrigerant tubing on the outside of the wall (refer to outdoor unit installation manual for instructions for making flare connections). Bulletin 30-122.2014.04.006 Copyright © 2014 Unico, Inc. (SAC xx.xxxx.xxx.xx)
  • Page 7 The condensate can then be carried away in a channel or collected into a reservoir so that it will evaporate. A trap may be installed in the condensate line to prevent air movement in the line. Bulletin 30-122.2014.04.006 Copyright © 2014 Unico, Inc. (SAC xx.xxxx.xxx.xx)

  • Page 8: Wiring Diagram

    Maximum Full Load Minimum Circuit MODEL Power Supply Overcurrent Current Ampacity (MCA) Protection (MOP) IS12MPA 1 phase, 60 Hz 208-230 V IS24MPB * Not fused separately. Connect directly to outdoor unit. Bulletin 30-122.2014.04.006 Copyright © 2014 Unico, Inc. (SAC xx.xxxx.xxx.xx)

  • Page 9: Remote Control Installation

    Pump down means collecting all refrigerant gas in the system back into the outdoor unit without losing gas. Pump down is used when the unit is to be moved or before servicing the refrigerant circuit. Bulletin 30-122.2014.04.006 Copyright © 2014 Unico, Inc. (SAC xx.xxxx.xxx.xx)
  • Page 10 CHANNEL SW1: 3=OFF FACTORY 4=OFF DEFAULT 1=OFF 2=OFF 3= OFF 4=OFF 5=ON 6=ON SW1: CHANNEL 3=ON 4=OFF 1=ON 2=OFF SW1: CHANNEL 3=OFF 4=ON 1=OFF 2=ON SW1: CHANNEL 3=ON 4=ON 1=ON 2=ON Bulletin 30-122.2014.04.006 Copyright © 2014 Unico, Inc. (SAC xx.xxxx.xxx.xx)
  • Page 11 At this point the system will operate with the new address. OUTDOOR UNIT WALL MOUNT UNIT CIRCUIT CONTROL BOARD (PORT) SW1: 1=OFF FACTORY 2=OFF DEFAULT SW1: 1=ON 2=OFF SW1: 1=OFF 2=ON SW1: 1=ON 2=ON Bulletin 30-122.2014.04.006 Copyright © 2014 Unico, Inc. (SAC xx.xxxx.xxx.xx)

  • Page 12: Verify Communications

     If the setting is right, the unit switches to COOL mode and stops (set point: 90 °F [32 °C]). The system is ready to operate.  If the setting is wrong, the STANDBY lamp flashes; check the setting of indoor units and the connections of the refrigerant circuits. Bulletin 30-122.2014.04.006 Copyright © 2014 Unico, Inc. (SAC xx.xxxx.xxx.xx)

  • Page 13: Temperature Display (Unit Of Measure)

    “°F” is not shown when displaying the temperature using Fahrenheit units. “°C” will show only when temperature is in Celsius units. REMOTE CONTROL FUNCTIONS Refer to the Operation manual for the remote control features and functions. Bulletin 30-122.2014.04.006 Copyright © 2014 Unico, Inc. (SAC xx.xxxx.xxx.xx)

This manual is also suitable for:

Is24mpb iseriesIs12mpaU1218*-1ea2M2430b*1-ea2M3036b*1-ea2Is24mpb

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