Johnson Controls HIC2018B21S Installation And Maintenance Manual
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Johnson Controls HIC2018B21S Installation And Maintenance Manual

Johnson Controls HIC2018B21S Installation And Maintenance Manual

Inverter-driven multi-split system heat pump air conditioners, 2-way cassette
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Download this manual See also: Operating Manual
Installation
and
Maintenance
Manual
INVERTER-DRIVEN
MULTI-SPLIT SYSTEM
HEAT PUMP
AIR CONDITIONERS
Type
(H,Y,C)IC2018B21S
2-Way Cassette
(H,Y,C)IC2024B21S
IMPORTANT:
READ AND UNDERSTAND
THIS MANUAL BEFORE
INSTALLING THIS HEAT
PUMP AIR CONDITIONER.
KEEP THIS MANUAL FOR
FUTURE REFERENCE.
Model
P5417050

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Summary of Contents for Johnson Controls HIC2018B21S

  • Page 1 Installation Maintenance Manual INVERTER-DRIVEN MULTI-SPLIT SYSTEM HEAT PUMP AIR CONDITIONERS Type Model (H,Y,C)IC2018B21S 2-Way Cassette (H,Y,C)IC2024B21S IMPORTANT: READ AND UNDERSTAND THIS MANUAL BEFORE INSTALLING THIS HEAT PUMP AIR CONDITIONER. KEEP THIS MANUAL FOR FUTURE REFERENCE. P5417050...
  • Page 2 ATTENTION Each model number and all matching model numbers within a system must have the same version of software. Follow these steps to verify that your product model numbers have the same version of software. • Access the main printed circuit board in each product. •...
  • Page 3 Important Notice ● Johnson Controls, Inc. pursues a policy of continuing improvement in design and performance in its products. As such, Johnson Controls reserves the right to make changes at any time without prior notice. ● Johnson Controls cannot anticipate every possible circumstance that might involve a potential hazard.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS 1. Introduction ................................1 2. Safety Instructions ..............................1 3. Before Installation ..............................8 3.1 Combinations of Outdoor Units and Indoor Units ..................8 3.2 Transportation and Handling ........................8 3.3 Factory-Supplied Accessories ........................8 4. Installation Location .............................. 9 5.

  • Page 5: Introduction

    ● This system should be installed by personnel certified by Johnson Controls, Inc. Personnel must be qualified according to local, state and national building and safety codes and regulations. Incorrect installation could cause leaks, electric shock, fire or explosion. In areas where Seismic Performance...
  • Page 6 This unit is a pressurized system. Never loosen threaded joints while the system is under pressure and never open pressurized system parts. ● Johnson Controls will not assume any liability for injuries or damage caused by not following steps outlined or described in this manual. Unauthorized modifications to Johnson Controls' products are prohibited as they…...
  • Page 7 Installation Precautions To reduce the risk of serious injury or death, the following installation precautions must be followed. ● When installing the unit into… ▫ A wall: Make sure the wall is strong enough to hold the unit’s weight. It may be necessary to construct a strong wood or metal frame to provide added support.
  • Page 8 Controls uses only refrigerants that have been approved for use in the unit’s intended home country or market. Johnson Controls' distributors similarly are only authorized to provide refrigerants that have been approved for use in the countries or markets they serve. The refrigerant used in this unit is identified on the unit’s faceplate and/or in the associated manuals.
  • Page 9 When shielded cable is applied, proper bonding and termination of the cable shield is required as per Johnson Controls guidelines. Plenum and riser ratings for communication cables must be considered per application and local code requirements.
  • Page 10 ● When installing the power lines, do not apply tension to the cables. Secure the suspended cables at regular intervals, but not too tightly. ● Make sure that the terminals do not come into contact with the surface of the electrical box. If the terminals are too close to the surface, it may lead to failures at the terminal connection.
  • Page 11 ● Proper handling of this unit requires two people. Safe handling and installation of the indoor unit requires the strength of two people. Mounting the unit alone may cause injury due to a fall of the unit. Although the unit may be girded with steel banding, do not use it for transportation. Avoid contact with finned surfaces of the heat exchanger as sharp edges can cause severe injury to hands and fingers.

  • Page 12: Before Installation

    Before Installation Combinations of Outdoor Units and Indoor Units The combination capacity of an indoor unit against an outdoor unit is selected depending on the outdoor unit capacity. Refer to the "Installation and Maintenance Manual" for the outdoor unit to decide the required combination of indoor and outdoor units, and the combination unit capacity.

  • Page 13: Installation Location

    NOTICE The decorative panel, controller, and branch piping are optional accessories and are not included with the indoor unit. If necessary, please contact your contractor. 2. Do not insert or leave any foreign objects inside the indoor unit and verify that no foreign objects remain inside the indoor unit before installation and the test run.
  • Page 14 3. Select an installation location as follows: Unit: inch (mm) • Minimum Space • Down slope gradient for condensate piping: 1/25 to 1/100 Minimum 3/8 (10) Clearance Install the indoor unit at least 10.2 ft (3.1m) above floor level. 13-9/16 (345) (Unit Height in False Ceiling) NOTE: There must be sufficient structural integrity to support...

  • Page 15: Installation Work

    Installation Work Opening of False Ceiling and Location of Suspension Bolts 1. Determine the final location and installation orientation of the indoor unit with respect to the space allowed for piping, wiring, and maintenance access. 2. Then cut away the false ceiling area for the indoor unit installation and install suspension bolts. 3.

  • Page 16: Working Procedures

    Working Procedures 1. Size the opening to the correct dimensions to Checking Scale for facilitate easy and ongoing installation by using the Dimension of Opening pattern board (template). The template provided for the installation comes Pattern Board Packing with a scale printed on the outer packaging. Detach for Installation (Corrugated Board) this area with the printed scale to use in sizing...
  • Page 17 3. Mounting Nuts and Washers Place nuts and washers onto the suspension bolts before installing the indoor unit. NOTE: Make sure to use washers (accessories) for installing the suspension bolts to the suspension brackets. Install the washer with the insulation side facing down for suspended installation applications.
  • Page 18 4. Mounting the Indoor Unit • Hoist the indoor unit but do not apply any force against the condensate pan (the air outlet portions and the condensate pan portion). If there is insufficient access for a hoist, the work must be performed manually by two skilled installers.

  • Page 19: Installation Of Decorative Panel

    6. Tighten the nuts on the suspension brackets after adjustments are completed. Add thread lock compound to the suspension bolts and nuts in order to prevent them from loosening. Adjust the indoor unit into correct position, using the scale of the pattern board (template). NOTE: While adjusting the clearance spacing between the indoor unit and the ceiling surface, keep the indoor unit level.

  • Page 20: Refrigerant Piping Work

    Refrigerant Piping Work Use the specified non-flammable refrigerant (HFC R410A) for the outdoor unit refrigerant system. Do not charge the unit with anything other than HFC R410A, such as hydrocarbon refrigerants (propane and isobutene), oxygen, and other flammable gases (acetylene, ammonia, and so forth), or any poisonous gases when installing, maintaining and moving the unit.
  • Page 21 2. Use the specific flare nut included with the unit. 3. Verify that there are no scratches or burrs stuck to internal surfaces, or surface deformations at the flared opening. 4. Before tightening the flare nut, apply refrigerant oil (field-supplied) in a thin layer over the flared face. (Do not apply the oil on other areas.) Tighten the flare nut for the liquid pipe to the specified torque with two wrenches.

  • Page 22: Condensate Piping

    Condensate Piping Do not run condensate piping into underground areas near sanitary or sewage lines where toxic and corrosive gases can seep into the system. This creates a pathway for the flow of poisonous gas to penetrate inhabited areas. NOTICE ●...
  • Page 23 c. Attach the factory-supplied hose clamp to the vinyl tape (white) attached to the condensate hose. The hose clamp should be 13/16 inch (20mm) away from the end face of the condensate hose. Then tighten the hose clamp to make sure that it is approximately 1-1/8 inches (28mm) in length from the screw to the edge of the hose clamp as shown in the figure below.
  • Page 24 g. Installing Main Condensate Piping • Install the main condensate pipe on a downward slope to make sure that it is lower than each raised part of the condensate pipe from the indoor unit. • The size for the main condensate pipe must be larger than VP30, the nominal diameter size of 1-3/16 inches (30mm) and, outer diameter 1-1/2 inches (38mm) according to the number of the connected indoor units.
  • Page 25 NOTICE ● Moisture which has discharged into the condensate pan and checked for drainage in the heating season should be drained completely from the condensate pan. ● The heat exchanger is heated since a slight amount of refrigerant circulates inside the indoor unit during periods of stoppage.

  • Page 26: Electrical Wiring

    Electrical Wiring ● All electrical work must be done as outlined in this manual and in accordance with this manual. Substandard work can result in fire and damage to the unit. ● Use specified cables between units and choose the cables correctly. If not, an electrical shock or fire may occur.

  • Page 27: Details Of Electrical Wiring Connection

    When shielded cabling is applied, proper bonding and termination of the cable shield is required as per Johnson Controls guidelines. Plenum and riser ratings for communication cables must be considered per application and local code requirements. Total cable length must not exceed 3281 ft (1000m).

  • Page 28: Position Of Electrical Wiring Connection

    Position of Electrical Wiring Connection ● The electrical wiring connection for the indoor unit is shown in Section 8.2.2. For details relating to the intermediate connections between the indoor unit and the decorative panel, refer to Section 5.4 for installation of the decorative panel. ●...
  • Page 29 All electrical work should be performed in strict accordance with electrical schematics in the "Installation and Maintenance Manual". If Power Supply Voltage (208V/230V) is introduced into the Communication Line: If 208V/230V are applied to the communication line at (Terminals 1 and 2 of TB2) by mistake, the fuse on the PCB for the communication line will blow.
  • Page 30 NOTICE 1. The DIP switch settings for the outdoor unit should be performed in accordance with the "Installation and Maintenance Manual" for the outdoor unit. 2. Be aware that communication cable for the wired controller is required in these instances: a.

  • Page 31: Wired Controller Cable

    Wired Controller Cable 8.4.1 Cautions for Individual Louver Settings 1. Individual louver settings are available for up to 16 indoor units by a single wired controller. Connections for 17 or more indoor units are not possible. Individual Louver Individual Individual Individual Individual Louver...

  • Page 32: Cautions For Decorative Panel With Motion Sensor Kit (Sor-Ned)

    8.4.2 Cautions for Decorative Panel with Motion Sensor Kit (SOR-NED) 1. The decorative panel with a motion sensor can be connected to up to 16 indoor units by a single wired controller. The decorative panel equipped with a motion sensor is activated even if it is installed along with a decorative panel without a motion sensor.

  • Page 33: Caution For Electrical Wiring

    Use Conditions and Precaution Statements The motion sensor operates by detecting minute changes in temperature in the infrared spectrum. Moving objects or human activity with temperature differences can be distinguished from the temperature of the surrounding body. DO NOT install the decorative panel equipped with a motion sensor in the following places. It can result in poorly identified or defined motion, or degraded performance of the motion sensor.

  • Page 34: Wiring Connections

    Wiring Connections Wiring connections for the indoor unit are shown below. Power Supply Wiring Terminal Block (Black) View from A Cable Band Communication Cable / Wired Controller Cable Ground Screw (M5) φ7/8 inch (22.2mm) Cable Band Conduit Opening Terminal Block (White) φ1/2 inch (13mm) Electrical Box Opening...

  • Page 35: Dip Switch Settings

    DIP Switch Settings 1. Turn OFF the power supply to both indoor and outdoor units before adjusting DIP switch settings. Otherwise, the settings are invalid and do not take effect. 2. Positions of DIP Switches on the PCB are shown below. DSW5 (Refrigerant System No.
  • Page 36 Refrigerant System No. Setting (RSW2 and Refrigerant System No. Setting DSW5 (Tens Digit) RSW2 (Units Digit) DSW5) Ex.) Set at No.5 Cycle DSW5 This setting is required. The unit arrives with all Setting Set by inserting slotted screwdriver Position settings in the OFF position. into the groove.

  • Page 37: High Speed Setting

    High Speed Setting ● This function is used to set the airflow volume higher than normal airflow volume. This is used for high ceiling areas on site. Set the High Speed setting (1 or 2) from the function selection menu, depending on the ceiling height as shown in the table below.

  • Page 38: Control Of Dew Condensation Prevention

    Select “Individual Louver Setting” from the Individual Individual Louver Setting Louver Setting screen and press “OK”. Individual Louver Setting Cancel INDV Louver SET Sel. Entr Rtrn Back Select the indoor unit to change the louver direction by Individual Louver Setting pressing “...

  • Page 39: Function Selection By Wired Controller

    8.11 Function Selection by Wired Controller Each function can be selected with the wired controller. Refer to the "Installation and Maintenance Manual", and the "Engineering Manual" for details. (1) Press and hold "Menu" and "Back/Help" simultaneously for at least 3 Test Run Menu seconds during the normal mode (when unit is not operated).
  • Page 40 Function Setting Condition (Underlined Part is Factory Setting) Optional Function Selection Unit Item Less than 10.2 11.5 High Speed Setting 10.2 (3.1) (3.1) (3.5) Circulation Function at Heating Thermo-OFF Available Available Control of Dew Condensation Prevention Available Available Automatic COOL/HEAT Operation Available Available Dual Setpoint...

  • Page 41: Setback Operation

    8.12 Setback Operation (1) Press and hold “Menu” and “Back/Help”on the wired controller simultaneously for at least three seconds during the normal mode (unit stoppage). The Test Run menu is displayed. (2) Select “Input/Output” from the Test Run menu and press “OK”. Test Run Menu Test Run Function Selection...

  • Page 42: Test Run

    Test Run Before Test Run Verify that there are no problems with the installation, and do not perform the test run until all the following conditions have been resolved. Refer to the "Installation and Maintenance Manual" for the outdoor unit for details on test run operations from the outdoor unit.
  • Page 43 ● The total number of connected indoor units is indicated on the Liquid Crystal Display (LCD). In the case of a twin combination (set of two indoor units), the total number of the connected indoor units is displayed as “2 units”, and where there is a triple combination (set of three indoor units), the total number of the connected indoor units is displayed as “3 units”.
  • Page 44 Checking the Motion Sensor 1. Perform a motion detection action (such as waving a hand) under the motion sensor of the selected indoor unit for approximately 10 to 15 seconds. 2. Check the value of “q3” to "q6" after 30 seconds* from starting the motion detection at Step 1. The detection information from the motion sensor against the motion detection is displayed at a range of 0% to 100%.
  • Page 45 ● The RUN indicator on the wired controller for the indoor unit flashes orange (0.5 second ON/ 0.5 second OFF), indicative of a fault or error having been generated with activation of protection devices during the test run phase. Alarm code, unit model code, and the number of interconnected indoor units is displayed on the LCD as shown below.

  • Page 46: Alarm Code

    Alarm Code Alarm (Troubleshooting) Code Table Code Category Nature of Problem Likely Cause Activation of a protection device Activation of the float switch (high water level present in Indoor Unit (float switch) the condensate pan). A problem exists in the piping. Activation of protection device.
  • Page 47 © 2017 Johnson Controls, Inc. P5417050-rev.1 Code No. LIT-12012965 Revised January 2018...

This manual is also suitable for:

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