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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Lennox FCA 60 Installation, Operation And Maintenance Manual

Disposable, or metal frame. Room relative humidity sensor missing or faulty Outside air temperature sensor faulty Outside relative humidity sensor faulty Supply Flexu temperature sensor faulty Temperature sensor on cold water loop faulty Temperature sensor on condenser water outlet faulty.

Temperatures Ambient temperature Measurements: Don’t have an account? The new range offers cooling capacities up to kW, compared with an upper limit of about kW previously.

Before adjusting the tension, make sure that the pulleys are correctly aligned. At their simplest, they incorporate a fan to draw air from the space, filter it, introduce fresh air, provide heating or cooling and then deliver the treated air to the space. The hub and the pulley will separate from each other. Efficient plant is but one aspect of the reducing energy costs and must be accompanied by reducing the energy demand of buildings served by that plant. Compressor stopped in anti-short cycle.


The projects will be predominantly with Defence-related and Government establishments but w The reductions in running costs are demonstrated by Lennox in comparisons of the original Flexy range with the Flexy II range. For example, a unit with two compressors running at full load might achieve a COP of 2. 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.

Invitations are invited from experienced Building Services Engineers to assist in the development of a new division within an established professional practice.

This site contains archived content from the journal, plus web-specific content.

Lennox advances the art of rooftop air conditioners

The minimum height of the posts should be mm. You can contact your local Lennox representative which can assist you in establishing a parts list for each type of equipment. Select by instruction 08 setting. It is also fitted with an economiser and an electric heater type H.

It is fitted lenonx a AT fan which curve is shown on page xxx and a 2. This page enables users who have a third level access code You can choose to perform one or more actions.

Operation of the grids – Balancing grids are installed on fresh air lsnnox in order to compensate for the higher pressure drop on the ducted return air side. Using table 1 determine the pressure available P and the corresponding dynamic motor pulley actual diameter.

Lennox advances the art of rooftop air conditioners – Modern Building Services

Please enable JavaScript to view the comments powered by Disqus. Item 8 on KP 17 indicates that the filters must be changed. If each compressor had its own coil, the COP with one compressor running would be the same as at full load — namely 2.


Click dlexy next Click Click on next Click Wash and dry carefully.

However, the energy used for mechanical cooling is but a small part of total annual energy consumption. Go to various notices. A copy of the letter must attached to an eyebolt in a safe and accessible place.

Email article Print article. Life-cycle cost was highlighted by customers as one of the top priorities and is listed by Lennox ahead of first cost.

Units have two, three or four compressors, each with their own interlaced circuit in a single coil.

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

Figure 9 Assembly joint 1 – figure 10 Insulate the frame before installation. Control ; Cold Settings: The wired answer for power and data cabling Creating the perfect hot yoga environment Tests prove that underfloor heating and carpe Stop mode, Orange Night mode, Red: Herve Dumont explains that this configuration significantly enhances flexyy efficiency. The unit has not stopped but the airflow is likely to be reduced due to increased pressure flfxy acros the filters. They are particularly suited to single-storey buildings with ducted air distribution where precise control of the internal environment is not vital.