provided by us, remain the property of Lennox and must not be used (except in operation of All FLEXY II Units are compliant with the PED directive /CE. IOM – FLEXY – -E – Page 1. CONTENTS. The present manual applies to the following ROOFTOP versions: FCA 85 – FCA – FCA – FCA – FCA. Part of the FLEXY range, the FLEXY FX is an air/air heat pump rooftop optimising applications .. model and as such LENNOX has enhanced the FLEXY™ heat.

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A copy of the letter must attached to an eyebolt in a safe and accessible place. This be addressed to Lennox and the supplier or distributor for allows you to open the panels for maintenance and information purposes. Above all, ensure that all the adjustable returns are facing outward 1 lenno figure 6. They are usually turned inside-out for transport.

Figure 6 Place the roof mounting frame on the trimmer beam by first lining up the inlet and then the outlet. Figure 9 Assembly joint 1 – figure 10 Insulate the frame before installation. The minimum height of the posts should be mm. Before connecting the power: After the first 50 operating hours check and adjust the tension. Before adjusting the tension, make sure that the pulleys are correctly aligned.

The hub and the pulley will separate from each other. Figure 19 Remove the hub and the pulley by hand without damaging the machine. To rectify this, it may be necessary to modify the pulley and belt setting. To this effect, the motors are fitted with variable pulleys. Measure the absorbed amps If the absorbed amps are greater than the rated values, lenox ventilation system has a lower pressure drop than anticipated.

Using table 1 determine the pressure available P and the corresponding dynamic motor pulley actual diameter.

It is also fitted with an economiser and an electric heater type H. It is fitted with a AT fan which curve is shown on page xxx and a 2. Two types of problems may occur: Item 8 lennnox KP 17 indicates that the filters must be changed.

The unit has not stopped but the airflow is likely to be reduced due to increased pressure drop acros the filters. Operation of the grids – Balancing grids are installed on fresh air side in order to compensate for the higher pressure drop on the ducted return air side. Two Attention is drawn to the corrosion problems resulting from keys must be used to tighten the connections, one of the electrolytic reaction created from unbalanced earth keys maintains the valve body.


Do not discard the seals Figure 55 5. Auto reset Gaz low pressure switch?

FLEXY™ FX packaged rooftop air/air heat pump unit | Lennox Industries | ESI Building Services

Pre-ventilation 30 to 45 seconds Gas control Fire-up Electrode 4s The maintenance display allows for 4 modes of operation. Key [M] allows you to move successively and in a loop from one mode to the next. The compatibility of the value for the day of the month is not checked when it is entered. C This value corresponds to the middle of the dead zone – active for C The function of these keys may vary from one rlexy to The link between the controllers and the display is serial and another and is defined on the active screen by an icon.

Temperatures Ambient temperature Measurements: Humidity Ambient humidity Operational status: On ; Ldnnox Condition ; Day Settings: Condition ; Weekend On ; Ventilation Settings: Control ; Cold Settings: Control ; Hot Settings: Control ; Humidification Settings: Increase value Enter current change. Go to temperature and humidity values and charts. Go to the machine component status. Go to various notices.

Document Details | Lennox Flexy EC Rooftop Units

Go to room temperature chart. BMS Operating status Cooling mode setting operation. Compressor stopped in anti-short cycle. It requires the addition of a KP05 card, if this is not already in place, and a KP12 card. Input connection must be by screened cable only. Select by instruction 08 setting. Instruction Description Day of the week of start of setting. Hysteresis in heating Differential in air cond.

Lwnnox aim of air supplying regulation by the air damper is to even out the temperature of supplied air to a value close to The main aim of supplying air regulation is to maintain the the average of the neutral zone. This is why the compressors cannot be started, even if requested to do so by regulation, unless the time since they were last put into operation is greater than six minutes.

Climalook uses the internet explorer interface for local To avoid this Lennox recommend to connect the central unit operation. The local operating mode is completely fleexy to a pulsating current power outlet or “UPS”. Lennox cannot and does not require any configuration. Click on next Click Click on next Click Stop mode, Orange Night mode, Fldxy Fault mode, This page gives you the basic information about how your installation functions.

This page enables users who have a third level access code You can choose to perform one or more actions. The only way to examine the problem in more detail is to obtain the pages you must use the Refresh function to be sure you a monitor and a mouse and contact the Lennox services. They relate to the setpoint or variable numbers used with the KP02 unit.


Wrong Air Flow If the pressure differential obtained by the analog sensor [V21] is less than the setpoint value [C88] for more than 20 seconds, and if the blower fan has operated for more than 1 minute 30 seconds, the air flow safety system is activated and stops the ventilation. In addition, if the antifreeze thermostat is opened, the 3rd safety level is immediately automatically maintained. Room relative humidity sensor missing or faulty Outside air temperature sensor faulty Outside relative humidity sensor faulty Supply Air temperature sensor faulty Temperature sensor on cold water loop lenbox Temperature sensor on condenser water outlet faulty.

Water leak If the contact of the water leak detection card is closed for more than 30 seconds, the safety system is activated. Condenser Water Temperature Too Low If the temperature of the water loop is less than or equal to the preset setpoint [C80] during the operation of one of flexu compressors, the condenser safety mechanism is applied. You can contact your local Lennox representative which can assist you in establishing a parts list for each type of equipment.

Vacuum clean or blow the dirt. Wash and dry carefully. Disposable, or metal lfnnox. Lennox shall guarantee the casing of its Rooftop units modes. Page of Go. Table of Contents Add to my manuals Add. Transport – Handling 48 hours of delivery working days. Using The Kp07 Remote Graphical Display – Recording of successive status of pre-defined variables to create analog and event histories. Page 97 The only way to examine the problem in more detail is to obtain the pages you must use the Refresh function to be sure you a monitor and a mouse and contact the Lennox services.

Maintenance Plan – It is recommended to keep a minimum stock of common replacement parts in order to be able to carry out regular maintenance flxey i. Warranty Lennox shall guarantee the casing of its Rooftop units modes. This manual also for: Comments to this Manuals Your Name. Enter text from picture: By pressing ‘print’ button you will print only current page. To print the manual completely, please, download it.

FLEXY II rooftop unit for commercial, retail and leisure

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