8. Reset of Controller ................................................................................................................. 16
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Important Notice
● Johnson Controls Inc. pursues a policy of continuing improvement in design and performance in its products.
As such, Johnson Controls Inc. reserves the right to make changes at any time without prior notice.
● Johnson Controls Inc. cannot anticipate every possible circumstance that might involve a potential hazard.
● This heat pump air conditioning unit is designed for standard air conditioning applications only.
Do not use this unit for anything other than the purposes for which it was intended for.
● The installer and system specialist shall safeguard against leakage in accordance with local pipefi tter and
electrical codes. The following standards may be applicable, if local regulations are not available. International
Organization for Standardization: (ISO 5149 or European Standard, EN 378). No part of this manual may be
reproduced in any way without the expressed written consent of Johnson Controls Inc.
● This heat pump air conditioning unit is operated and serviced in the United States of America and comes with a full
complement of the appropriate Safety, Danger, and Caution, warnings.
● If you have questions, please contact your distributor or dealer.
● This manual provides common descriptions, basic and advanced information to maintain and service this heat
pump air conditioning unit which you operate as well for other models.
● This manual should be considered as a permanent part of the air conditioning equipment and should remain with
the air conditioning equipment.
Product Inspection upon Arrival
1. Upon receiving this product, inspect it for any damages incurred in transit. Claims for damage, either apparent or
concealed, should be fi led immediately with the shipping company.
2. Check the model number, electrical characteristics (power supply, voltage, and frequency rating), and any
accessories to determine if they agree with the purchase order.
3. The standard utilization for this unit is explained in these instructions. Use of this equipment for purposes other
than what it designed for is not recommended.
4. Please contact your local agent or contractor as any issues involving installation, performance, or maintenance
arise. Liability does not cover defects originating from unauthorized modifi cations performed by a customer without
the written consent of Johnson Controls, Inc. Performing any mechanical alterations on this product without the
consent of the manufacturer will render your warranty null and void.
1. Safety Summary
Signal Words
Indicates a hazardous situation that, if not avoided, could result in death or serious injury.
Indicates a hazardous situation that, if not avoided, could result in minor or moderate injury.
Indicates information considered important, but not hazard-related (for example,
messages relating to property damage).
General Precautions
To reduce the risk of serious injury or death, read these instructions thoroughly and
follow all warnings or cautions included in all manuals that accompanied the product and
are attached to the unit. Refer back to these safety instructions as needed.
●This system, including this controller, should be installed by personnel certifi ed by Johnson Controls, Inc.
Personnel must be qualifi ed according to local, state and national building and safety codes and regulations.
Incorrect installation could cause leaks, electric shock, fi re or an explosion. In areas where Seismic Performance
requirements are specifi ed, the appropriate measures should be taken during installation to guard against
possible damage or injury that might occur in an earthquake. If the unit is not installed appropriately correctly,
injuries may occur because of a falling unit.
●Use appropriate Personal Protective Equipment (PPE), such as gloves, protective goggles and electrical
protection equipment and tools suited for electrical operation purposes.
2
P5415520
●When transporting, be careful when picking up, moving and mounting these units. Although the controller may be
packed using plastic straps, do not use them for transporting from one location to another. Do not stand on or put
any material on the controller.
●When installing the controller cabling to the units, do not touch or adjust any safety devices inside the indoor or
outdoor units. All safety features, disengagement, and interlocks must be in place and functioning correctly before
the equipment is put into operation. If these devices are improperly adjusted or tampered with in any way, a serious
accident can occur. Never bypass, wire around, or jump-out any safety device or switch.
●Use only Johnson Controls recommended, provided as standardized, or replacement parts.
●Johnson Controls shall will not assume any liability for injuries or damage caused by not following steps outlined
or described in this manual. Unauthorized modifi cations to Johnson Controls products are prohibited as they…
◦ May create hazards which could result in death, serious injury or equipment damage; ◦ Will void product warranties; ◦ May invalidate product regulatory certifi cations;◦ May violate OSHA standards;
Take the following precautions to reduce the risk of property damage.
●Do not touch the main circuit board or electronic components in the controller or remote devices.
Make sure that dust and/or steam does not accumulate on the circuit board.
●When installing the unit in a hospital or other facility where electromagnetic waves are generated from
nearby medical and/or electronic devices, be prepared for noise and electronic interference Electromagnetic
Interference (EMI). Do not install where the waves can directly radiate into the electrical box, controller
cable, or controller. Inverters, appliances, high-frequency medical equipment, and radio communications
equipment may cause the unit to malfunction. The operation of the unit may also adversely affect these
same devices. Install the unit at least 10 ft. (approximately 3m) away from such devices.
●Locate the controller at a distance of at least 3 ft. (approximately 1m) between the indoor unit and electric
lighting. Otherwise, the receiver part of the unit may have diffi culty receiving operation commands.
●If the controller is installed in a location where electromagnetic radiation is generated, make sure that the
controller is shielded and cables are sleeved inside conduit tubing.
●If there is a source of electrical interference near the power source, install noise suppression equipment (fi lter).
●During the test run, check the unit’s operation temperature. If the unit is used in an environment where the
temperature exceeds the operation boundary, it may cause severe damage. Check the operation temperature
boundary in the manual. If there is no specifi ed temperature, use the unit within the operation temperature
boundary of 35° to 104°F (0 to 40°C).
●Read this installation and maintenance manual for proper electrical wiring work.
Installation Precautions
Take the following precautions to reduce the risk of electric shock, fi re or explosion
resulting in serious injury or death:
●If the remote sensors are not used with this controller, then do not install this controller…
▫ In a room where there is no thermostat.▫ Where the unit is exposed to direct sunshine or direct light.▫ Where the unit is in close proximity to a heat source.▫ Where hot/cold air from the outdoors, or a draft from elsewhere (such as air vents, diffusers or grilles) can
affect air circulation.
▫ In areas with poor air circulation and ventilation.
●Perform a test run using the controller to ensure normal operation. Safety guards, shields, barriers, covers, and
protective devices must be in place while the compressor/unit is operating. During the test run, keep fi ngers and
clothing away from any moving parts.
After installation work for the system has been completed, explain the “Safety Precautions,” use, and maintenance
of the unit to the customer according to the information in all manuals that accompanied the system. All manuals and
warranty information must be given to the user or left near the Indoor Unit.
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Electrical Precautions
Take the following precautions to reduce the risk of electric shock, fi re or explosion
resulting in serious injury or death:
●Only use electrical protection equipment and tools suited for this installation.
●Insulate the controller against moisture and temperature extremes.
●Use specifi ed cables between units and the controller.
●Communication cabling must be a minimum of 18-Gauge, 2-Conductor, Shielded Stranded Copper.
Shielded cable must be used in all areas to reduce the potential for communication errors.
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.
●The polarity of the input terminals is important, so be sure to match the polarity when using contacts that have
polarity.
●Highly dangerous electrical voltages may be used in this system. Carefully refer to the wiring diagram and these
instructions when wiring. Improper connections and inadequate grounding can cause serious injury or death.
●Before installing the controller or remote devices, ensure that the indoor and outdoor unit operation has been
stopped. Further, be sure to wait at least fi ve minutes before turning off the main power switch to the indoor or
outdoor units. Otherwise, water leakage or electrical breakdown may result.
●Do not open the service cover or access panel to the indoor or outdoor units without turning OFF the main
power supply. Before connecting or servicing the controller or cables to indoor or outdoor units, open and tag all
disconnect switches. Never assume electrical power is disconnected. Verify with a meter and equipment.
●Use an exclusive power supply at the controller’s rated voltage.
●Be sure to install circuit breakers (ground fault interrupter, isolating switch, molded case circuit breaker, and so
forth) with the specifi ed capacity. Ensure that the wiring terminals are tightened securely to recommended torque
specifi cations.
●Clamp electrical wires securely with a cord clamp after all wiring is connected to the terminal block.
In addition, run wires securely through the wiring access channel.
●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.
●Do not clean with, or pour water into, the controller as it could cause electric shock and/or damage the unit.
Do not use strong detergent such as a solvent. Clean with a soft cloth.
●Verify that the ground wire is securely connected. Do not connect ground wiring to gas piping, water piping,
lighting conductor, or telephone ground wiring.
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P5415520
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