Samsung AM0 SERIES Installation Manual
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Samsung AM0 SERIES Installation Manual

Samsung AM0 SERIES Installation Manual

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AM0**JNZDCH/AA IM ENG_V1.5_07082015

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  • Page 1 AM0**JNZDCH/AA IM ENG_V1.5_07082015...

  • Page 2: Installation Manual

    Multiposition AHU AM0✴✴JNZDCH/AA Air Conditioner installation manual imagine the possibilities Thank you for purchasing this Samsung product. AM0**JNZDCH/AA IM ENG_V1.5_07082015...

  • Page 3: Table Of Contents

    X In order to prevent electric shocks, fire or injuries, always stop the unit, disable the protection switch and contact SAMSUNG’s technical support if the unit produces smoke, if the power cable is hot or damaged or if the unit is very noisy.

  • Page 4: Installing The Unit

    X Always remember to inspect the unit, electric connections, refrigerant tubes and protections regularly. These operations should be performed by qualified personnel only. X The unit contains moving parts, which should always be kept out of the reach of children. X Do not attempt to repair, move, alter or reinstall the unit.

  • Page 5: General Information

    - These models may be used with or without electric heat. - Only use electric heat that is designed for this unit and provided by Samsung. - The direct drive, five speed constant torque motors provide a selection of air volume to match the application.

  • Page 6: Product Inspection

    There are no shipping or spacer brackets which need to be removed before startup. See local Distributor for more information. Samsung assumes no liability for freight damage. Also check to be sure all accessories such as heater kits, and coils are available. Installation of these accessories should be accomplished before the air handler is set in place or the connecting of the wiring, electric heat, ducts or piping.

  • Page 7: Dimensions

    Dimensions Unit : inch LEFT SIDE FRONT RIGHT SIDE BOTTOM DIMENSIONAL DATA MULTI-POSITION AIR HANDLER MODEL AM0 12/18/24 JNZDCH/AA 17.50 43.00 21.00 15.50 12.50 13.50 11.00 6.75 16.75 14.00 11.00 2.00 4.00 2.00 AM0 30/36 JNZDCH/AA 21.00 48.00 21.00 19.00 12.50 15.375 13.00 6.75 20.00 17.00 12.75 10.30 2.30 4.35 2.50 24.50 58.75 21.75 19.50 16.25 19.75 17.25 6.75 26.00 23.00 16.75 14.35 2.30 4.35 2.00...

  • Page 8: Indoor Unit Installation

    Indoor unit installation Refrigerant pipe work must be done before installing the indoor unit. Location Access for servicing is an important factor in the location of any air handler. Provide a minimum of 30 inches in front of the appliance for access to the control box, heating elements, blower and air filters. This access may be provided by a closet door or by locating the appliance so that a wall or partition is not less than 30 inches from the front access panel.
  • Page 9 Indoor unit installation This appliance is approved for zero (0) inches clearance to combustible material on any part of the air handler exterior casing and the inlet or outlet ducts providing NO electric heater is being used. There is a one (1) inch clearance on the supply plenum and supply air duct when an electric heater is installed in the appliance.
  • Page 10 Indoor unit installation Return air requirements Closet Wall Typical Closet Installations Provisions shall be made to permit the air in the rooms and the living spaces to return to the air handler. Failure to comply may cause a reduction in the amount of return air available to the blower, causing reduced air flow resulting in improper heating and cooling of the living space.
  • Page 11 Indoor unit installation Arrangement: Unit is shipped from the factory arranged to be installed in an upflow or horizontal left (right to left air flow) position. Horizontal left means when the unit is laid on its side and you are facing the unit, the supply air opening is to the left and the return opening is to the right.

  • Page 12: Horizontal Application

    Indoor unit installation Horizontal application Horizontal applications will normally be used in an attic or crawl space. This type of installation requires supply air plenum or duct to be connected to the supply collar and a return air plenum or duct be attached to the unit inlet collar.

  • Page 13: Refrigerant Piping

    Closet installation Prior to installing the air handler make sure holes are cut into the floor for refrigerant tubing, drain line, electrical wiring, and control wiring. Remove the top shipping cover and corner posts. Remove the bottom shipping cover. Remove the blower and control box access panel (door). Remove the coil compartment access panel (door).

  • Page 14: Performing Leak Test And Insulation

    Performing leak test & insulation Leak test LEAK TEST WITH NITROGEN (before opening valves) In order to detect basic refrigerant leaks, before recreating the vacuum and recirculating the R-410A, it’s responsible of installer to pressurize the whole system with nitrogen (using a pressure regulator) at a pressure above 595 PSI (4.1MPa). LEAK TEST WITH R-410A (after opening valves) Before opening valves, discharge all the nitrogen in the system and create vacuum.
  • Page 15 Performing leak test & insulation 5. Select the insulation of the refrigerant pipe. • Insulate the gas side and liquid side pipe referring to the thickness according to the pipe size. • Indoor temperature of 86 °F(30 °C) and humidity of 85% is the standard condition. If install in a high humidity condition,use one grade thicker insulator by referring to the table below.

  • Page 16: Additional Refrigerant

    Additional refrigerant • System refrigerant volume is based on linear feet of liquid line pipe and indoor equipment model/quantity. • Refer to the outdoor unit installation manuals for information regarding refrigerant volume for system components. • See table below for additional refrigerant volumes for each air handler. Model Additional refrigerant per indoor unit (oz.) AM012JNZDCH/AA...

  • Page 17: Drain Pipe Installation

    Drain pipe installation The air handler “A” coil drain pan has two ¾” NPT female primary and two secondary connections (left or right hand). The horizontal pan has two ¾” NPT female, one primary and one secondary. Piping from each fitting used is to have 2 inch minimum trap and each run in such a manner as to provide enough slope for adequate drainage to a visible area.
  • Page 18 Water leakage test 1. Pour water into the condensate pan. 2. Make sure that draining is done properly by checking end of the drain pipe. 3. If water leakage occurs, make sure the indoor unit is level. Also verify the drain pipe is installed with a downward slope away from the indoor unit.

  • Page 19: Wiring Work

    Wiring Work • For personal safety be sure to turn the electrical power “OFF” at the main entrance (Home Circuit Breaker Box) and at the unit control box circuit breakers before attempting any service or maintenance operations. Homeowners WARNING should never attempt to perform any maintenance which requires opening the air handler control box door. •...
  • Page 20 Wiring Work Power supply wiring with accessory electric heat kit 1. Before wiring work, you must turn off all power source. 2. Indoor unit power should be supplied through the breaker (ELCB or MCCB+ELB ) separate from the outdoor power. ELCB : Earth Leakage Circuit Breaker MCCB : Molded Case Circuit Breaker ELB : Earth Leakage Breaker...
  • Page 21 Wiring Work Power supply wiring with accessory electric heat kit 13. Strip ½” of the insulation on the end of each power wire. 14. Connect the black supply wire to the high voltage connection lug on the accessory heat kit breaker. 15.
  • Page 22 Wiring Work Power supply connections If the air handler has been installed prior to installing the electric heaters or if an older unit is being replaced, the supply power wires must be checked to make sure the wires are the proper sizes to handle the current load for the heaters. Refer to table below for correct wire size.
  • Page 23 Wiring Work Communication wiring connections • Communication wires connect through side of air handler and be 2 X 16 AWG shielded. • Use an approved connector at the cabinet of the unit to prevent pulling or shorting of control wires. •...
  • Page 24 Selecting compressed ring terminal Silver solder Norminal Norminal dimensions dimensions Standard Standard Standard Standard Allowance Allowance Allowance Allowance for cable for screw dimension dimension dimension Min. Min. Max. dimension Min. (inch) (inch) (inch) (inch) (inch (inch) (inch) (inch) (inch) (inch) 0.16 0.26 +0.012...
  • Page 25 Example of Installation - Total power cable length L = 328 ft(100 m), Running current of each units 1[A] - Total 10 indoor units were installed 9[A] 1[A] 10[A] ELCB or MCCB+ Indoor unit1 Indoor unit2 Indoor unit10 0 ft (0 m) 32.8 ft (10 m) 65.6 ft (20 m) 328 ft (100 m)
  • Page 26 Wiring Work • Select the power cable in accordance with relevant local and national regulations. • Wire size must comply with local and national code. CAUTION • Power supply cords of parts of appliances for outdoor use shall not be lighter than polychloroprene sheathed flixible cord.

  • Page 27: Wire Diagram

    Wire Diagram AM012JNZDCH/AA, AM018JNZDCH/AA, AM024JNZDCH/AA, AM030JNZDCH/AA, AM036JNZDCH/AA, AM048JNZDCH/AA, AM060JNZDCH/AA, AM072JNZDCH/AA, AM0**JNZDCH/AA IM ENG_V1.5_07082015...
  • Page 28 Wire Diagram AM054JNZDCH/AA AM0**JNZDCH/AA IM ENG_V1.5_07082015...

  • Page 29: Selecting Motor Speeds

    Selecting motor speed Selecting the Constant Torque Blower Speed This air handler uses a Constant Torque high efficiency motor. This motor operates on 240 VAC. The motor speed taps are 24 VAC, 0.03 amps, 60 Hz, 1 PH. The speed taps can be adjusted according to installation needs. Table 4 shows the motor lead connection labeling and the connection definitions.

  • Page 30: Blower Cfm Tables

    Blower CFM tables AM012JNZDCH/AA, AM018JNZDCH/AA, AM024JNZDCH/AA AM012JNZDCH/AA AM024JNZDCH/AA AM018JNZDCH/AA HP: 1/3 HP: 1/3 HP: 1/3 Default motor taps: Default motor taps: Default motor taps: standard speed = 4, reduced speed = 3 standard speed = 4, reduced speed = 3 standard speed = 4, reduced speed = 3 Motor Motor...
  • Page 31 Blower CFM tables AM030JNZDCH/AA, AM036JNZDCH/AA, AM048JNZDCH/AA AM036JNZDCH/AA AM048JNZDCH/AA AM030JNZDCH/AA HP: 3/4 HP: 1/2 HP: 1/2 Default motor taps: Default motor taps: Default motor taps: standard speed = 4, reduced speed = 3 standard speed = 4, reduced speed = 3 standard speed = 4, reduced speed = 3 Motor Motor...
  • Page 32 Blower CFM tables AM054JNZDCH/AA, AM060JNZDCH/AA, AM072JNZDCH/AA AM054JNZDCH/AA AM060JNZDCH/AA AM072JNZDCH/AA HP: 3/4 HP: 1 HP: 3/4 Default motor taps: Default motor taps: Default motor taps: standard speed = 4, reduced speed = 3 standard speed = 4, reduced speed = 1 standard speed = 4, reduced speed = 3 Motor Motor...
  • Page 33 External contact control The air handler has an MIM-B14 external contact control interface module installed by default. The external contact interface card (small PCB to the right of the main PCB) has a jumper installed between terminals 5 and 6. As programmed from the factory, if this jumper is removed, the air handler will turn off and any connected wired controllers will be disabled.

  • Page 34: Setting An Indoor Unit Address And Installation Options

    Setting an indoor unit address and installation option This unit has a wireless signal receiver on the PCB allowing AHU PBA address and option setting programming with a wireless controller. Set the indoor unit address and installation option with remote controller option.
  • Page 35 Setting an indoor unit address and installation option Option setting Status 1. Setting SEG2, SEG3 option Press Low Fan button( ) to enter SEG2 value. Press High Fan button( ) to enter SEG3 value. SEG2 SEG3 Each time you press the button,   …  will be selected in rotation. 2.
  • Page 36 Option setting Status 13. Setting SEG16, SEG17 option Press Low Fan button( ) to enter SEG16 value. Press High Fan button( ) to enter SEG17 value. SEG16 SEG17 Each time you press the button,   …  will be selected in rotation. 14.
  • Page 37 Setting an indoor unit address and installation option Setting an indoor unit address (MAIN/RMC) 1. Check whether power is supplied or not. - When the indoor unit is not plugged in, there should be additional power supply in the indoor unit. 2.
  • Page 38 0 (Disuse) to exclude the indoor unit from the central control. • The heater output in SEG9 is generated from the hot coil part of the terminal board and is connected to the aux. heat output harness for Samsung, internal electric heat options. AM0**JNZDCH/AA IM ENG_V1.5_07082015...
  • Page 39 Setting an indoor unit address and installation option 02 series installation option(Detailed) Option No. : 02XXXX-1XXXXX-2XXXXX-3XXXXX Option SEG1 SEG2 SEG3 SEG4 (*1) SEG5 SEG6 Use of external room temperature Explanation PAGE MODE sensor / Minimizing fan operation when Use of central control thermostat is off Remote Controller...
  • Page 40 Option SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 EEV Step of stopped Heating setting compensation Explanation PAGE unit during oil return/ defrost mode Remote Controller Display Details Heating Setting Indication Details Indication Details Indication Indication Details Indication Details Compensation Default value Default (*3) Indication and Details...
  • Page 41 Setting an indoor unit address and installation option 05 series installation option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 (When setting SEG3) (When setting SEG3) (When setting SEG3) Use of Auto Change Over Standard heating temp. Standard cooling temp. Standard for mode change for HR only in Auto mode Offset Offset...
  • Page 42 Option SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 (*3) Explanation Control variables when using heater Remote Controller Display Details Indication Delay time for Set temp. for heater On/Off heater On At the same time as thermo on No delay At the same time as thermo on 10 minutes At the same time as thermo on 20 minutes...
  • Page 43 Setting an indoor unit address and installation option SEG 3, 4, 5, 6, 8, 9 additional information When the SEG 3 is set as “1” and follow Auto Change Over for HR only operation, it will operate as follows. Standard temp. for Temp.

  • Page 44: Changing A Particular Option

    Changing a particular option You can change each digit of set option. Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 The tens’ digit of an The unit digit of an The option mode Explanation PAGE MODE option SEG you will option SEG you will The changed value you want to change change...

  • Page 45: Final Checks

    Final Checks and User Tips To complete the installation, perform the following checks and tests to ensure that the air conditioner operates correctly. Check the followings. • Strength of the installation site • Tightness of pipe connection to detect a gas leak •...
  • Page 46 MEMO AM0**JNZDCH/AA IM ENG_V1.5_07082015...

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