Carrier Weatherexpert – 48N Commercial Rooftop Units

(2 customer reviews)

  • 48N2 – Vert Supply/Return CV/SAV
  • 48N3 – Vert Supply/Return VAV
  • 48N4 – Horz Supply/Return CV/SAV
  • 48N5 – Horz Supply/Return VAV
  • 48N6 – Vert Supply/Horz Return CV/SAV
  • 48N7 – Vert Supply/Horz Return VAV
  • 48N8 – Horz Supply/Vert Return CV/SAV
  • 48N9 – Horz Supply/Vert Return VAV
    Carrier N Series rooftop units are pre-wired and factory-tested in both cooling and heating modes. All 48N models feature a double wall foam panel cabinet design with hinged man-sized access panels.
    Units are available in constant volume (CV), staged air volume (SAV), or variable air volume (VAV) applications with a wide variety of gas heating options. Units come with the ComfortLink™ DDC (direct digital control) communicating control system and hermetic scroll compressors on dual independent refrigeration circuits controlled via Electronic Expansion Valves (EXV).
  • 75 to 150 Nominal Tons

Performance Features

  • High Capacity and High Efficiency models available, meeting or exceeding EER requirements of AHSRAE Standard 90.1
  • Multiple high-efficiency scroll compressors include a crankcase heater and spring isolation, providing up to 8 steps of cooling capacity control with intertwined evaporator coils for full-face active operation at part-load conditions
  • Cooling operating range from 32 to 115F ambient on a standard model, down to -20F with MotorMaster® V control, and upto 125F on high efficiency models
  • Double wall foam panel construction
  • Induced draft gas heating system with the direct spark ignition (DSI) control system measures 81% annual fuel utilization efficiency (AFUE) using the integrated gas controller (IGC)
  • ComfortLink™ control includes: easy to use scrolling marquee display, service diagnostics, run test capabilities, demand limit capability, compressor reverse rotation protection, and BACnet communication option.
  • California Energy Commission Title 24 Compliant

Reliability Features

  • Dual electrically and mechanically independent refrigerant circuits, with coil frost protection, liquid line filter driers, crankcase heaters, and Electronic Expansion Valves (EXV) standard on all models.
  • Compressor protection includes high and low pressure transducers with safety cutouts on compressor
  • Circuit breaker protection for all power components
  • Cabinet made of pre-painted, galvanized steel with baked enamel finish, which meets ASTM B117 salt spray resistance test
  • Direct spark ignition, Alumagard Coated Turbo-tubular heat exchangers, and induced draft combination provide for safety and reliability
  • Reliable Integrated Gas Unit Controller (IGC) provides system evaluation & troubleshooting via on-board LED and two stage gas valves with redundant 100% shutoff
  • Tested in accordance with UL Standard 1995 and listed by ETL and ETL, Canada

Maintenance Features

  • Large hinged service access doors
  • On-board diagnostics include refrigerant pressure sensors
  • Auto component testing simplifies troubleshooting
  • Standard Double wall construction

Installation Features

  • Shipped with R-410A refrigerant charge
  • Single point electrical service entry, through unit bottom or side
  • Lifting lugs

Standard Limited Warranty

  • 3 years parts only on Novation™ condenser coil
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2 reviews for Carrier Weatherexpert – 48N Commercial Rooftop Units

  1. Crystle

    This shift can be useful for people with Th1 dominant pro-inflammatory situations.

    Also intriguing is its potential to help total wellness and the immune system.
    Credit playing cards can be declined, connecting with customer service could be
    challenging and I really feel horrible anytime someone has issues.

    One of the numerous benefits of KPV is its ability to reinforce mucosal therapeutic.
    Research have proven that KPV, particularly when delivered in nanoparticles, can considerably speed up the
    healing of infected mucosal layers, which is a main goal within the treatment of UC.
    Not to be confused with taking collagen peptide powder (broken down collagen),
    collagen bioregulators stimulate the body’s production of
    collagen and elastin. “Supports heart operate and may help with circumstances like hypertension, myocarditis, AFib, coronary artery disease, and heart failure. It’s an necessary bioregulator for anyone concerned with hormone production and intensely valuable for peri & menopause signs. They comprise the identical peptides as the Khavinson line but a larger active amount per capsule and bigger quantity of capsules in the bottle.
    KPV, quick for Lysine-Proline-Valine, is a tripeptide famend for its anti-inflammatory and immunomodulatory properties. Derived from the hormone alpha-MSH, KPV plays a vital role in regulating immune responses and irritation in the body. Its incorporation right into a well being supplement format aims to supply targeted and accessible regulatory advantages. In the ever-evolving panorama of healthcare and wellness, innovative products like Integrative Peptides KPV Oral Spray are gaining consideration for their potential to revolutionize health practices.
    Not Like many prescription anti inflammatories, it doesn’t suppress the immune system indiscriminately—it helps regulate and modulate it. KPV has been proven to suppress pro-inflammatory cytokines, including TNF-α, IL-6, and NF-κB, that are implicated in quite a few continual circumstances. This makes it useful in controlling systemic and localized irritation without suppressing the immune system totally (as steroids do). Whereas many therapeutic peptides are taken by needle, KPV stands aside in that it may additionally be administered as an oral capsule or chewable pill. Seems like KPV and BPC-157 are the two leaders in phrases of the use of peptides for enhancing general gut well being (likely through the lowered production of pro-inflammatory compounds). KPV Extremely is a peppermint-flavored oral spray containing 500 mcg of a tripeptide fragment derived from α-melanocyte-stimulating hormone (α-MSH). Designed in a handy liquid format, KPV Ultra provides a practical alternative to capsule or injection-based peptide delivery.
    For different individuals like us, the VIP a peptide shifts towards Th2 and our evaluation of it’s later on this post. We have at all times felt worse when taking thymic proteins and peptides (in the absence of an acute viral condition). However, generally folks lean towards a Th1 dominant immune response and I suspect we do. Peptide research persistently present they work even higher used in combination – to support an entire body system. Every peptide’s message is determined by its particular sequence of amino acids. Additionally on this journey, peptides helped my daughter and associates with all kinds of health wants. Earlier Than embracing short-chain peptides, we were leaving so many therapeutic alternatives out of our toolbox.
    It is formulated for handy every day use and may be integrated into your pet’s common care regimen. I consider peptides are going to endlessly change the best way we deal with infections, diseases, irritation and well being generally. It can help combat the consequences of growing older and other medical conditions on nerve health. That’s why skilled supervision is recommended—especially for people with complicated health conditions.
    I like that a sleep tracker thinks my scores are glorious, however more importantly – I feel rested, energized and prepared for each day. In addition to the newfound well being I talked about at the beginning, my brain feels prefer it did in my 30’s, sharper and no brain fog. These influencers – long earlier than social media – bind to receptors on our cells instructing them how to perform bodily processes. The lengthy list of points started to resolve – including my nearly lifelong allergy symptoms, asthma, IBS and POTS. Guide your personalized seek the assistance of at Peak Well Being Institute and begin your journey toward therapeutic from the within out. Nonetheless, as with all peptide therapies, correct supervision by a certified provider is essentialfor optimal dosing, timing, and combination with other interventions. It canoccasionally be supplied as a subcutaneous injection for extra systemic inflammatory regulation.
    Another study investigated the anti-inflammatory effects of KPV in TNBS-induced colitis fashions. The outcomes confirmed that KPV considerably decreased weight loss, MPO activity, and pro-inflammatory cytokine levels within the colon. These findings had been additional supported by real-time RT-PCR analyses, confirming the tripeptide’s capability to mitigate irritation in vivo. KPV has demonstrated robust anti-inflammatory effects by inhibiting the activation of key inflammatory signaling pathways, similar to NF-κB and MAP kinase. These pathways are essential within the synthesis of pro-inflammatory cytokines, which play a big role in inflammatory illnesses like ulcerative colitis (UC).
    Integrative Peptides Merchandise went through extensive analysis and manufacturing processes to make certain that our peptides are efficient and simply absorbed into the system. We have adjusted our dosing to make sure therapeutic benefits without the hassle of puncturing the skin. The Peptide Merchandise are simply transportable and provide another answer to injections. As with some other complement, we ask our clients to conduct ample outdoors analysis earlier than purchasing our products.

    References:

    git.ides.club

  2. Thaddeus

    Physique image pressures include the pursuit of muscularity, leanness, or “toned” physique, generally linked to
    muscle dysmorphia. Some case reviews tie AAS hyperlink
    with previous histories of trauma or low vanity, with steroids
    perceived as empowering or protective. The first step in treating anabolic steroid dependency is to discontinue use and search medical assist.
    Healthcare professionals use some kinds of steroids in medical treatment.

    For instance, corticosteroids might help folks with asthma breathe by
    lowering inflammation within the airways.
    According to the National Institute on Drug Abuse (NIDA), continuous use of AASs can lead to problems similar
    to tolerance, which means a person needs higher doses to attain the same effects.

    The aim is to keep the peak degree in the center third of the normal
    vary, keep away from the potential toxicity of supernormal testosterone levels, and relieve the specific symptom of hypogonadism that justified its use initially.
    There is not any need to check trough ranges if the patient isn’t symptomatic.
    If you inject anabolic steroids and share a needle with others, you’re at nice threat of getting HIV,
    hepatitis B, and hepatitis C. Overdose can lead to extreme liver damage,
    which could be fatal.[16] Steroid use can even lead to impulsive and aggressive
    behavior, which can put them at increased danger of unintended or violent demise.
    Here’s everything you should find out about anabolic steroids and their results.
    Utilizing steroids over an prolonged time period can lead to irreversible
    injury to the organs and feminine reproductive system.

    A survey performed in 21 gyms in Britain reported that 8% of respondents declared having taken AASs of their life.
    Another study in the UK showed that 70% of the clientele in a health and health community were AAS users [37].
    Talk to a health care provider earlier than you add steroids to your exercise routine or simply
    because you want improve muscle mass. Steroids get the most
    effective outcomes in case your dosage is particularly recommended on your body by
    an professional. Technically called anabolic-androgenic steroids (AASs),
    steroids are a sort of artificial testosterone. They may be taken as a supplement
    to switch or add to your body’s pure levels of testosterone.

    Individuals normally take anabolic steroids by either injecting
    them immediately into the muscle or taking tablets.

    They also can come in the form of creams or gels that are applied directly to the skin.For instance,
    a person may take the drugs for a time frame and then stop for some time.
    When anabolic steroids improve the degrees of testosterone in the blood,
    they stimulate muscle tissue within the body to develop larger and stronger.
    However the consequences of an extreme quantity of testosterone circulating in the physique could
    be dangerous over time. Oral anabolic steroids (androgens) are man-made
    drugs that have the effect on the body just like testosterone.

    The formulation additionally reveals large intra- and interindividual variation in bioavailability,
    making it cumbersome for substitute remedy.
    To handle this, testosterone undecanoate has just lately been formulated in a self-emulsifying drug delivery system (SEDDS)
    to additional enhance lymphatic absorption and
    reduce intra- and interindividual variation (10). However,
    it must be dosed twice daily to take care of physiological testosterone levels throughout the day.

    An various strategy facilities around significantly retarding metabolism of the compound.

    This structural modification tremendously increases oral bioavailability, although it
    comes with hepatotoxicity (11).
    Serum androstenedione level additional increases in the course of the late
    luteal section; whereas serum testosterone concentrations don’t improve additional (Judd and Yen, 1973;
    Sinha-Hikim et al., 1998). The overload of AAS impairs main liver functions, resulting
    in hepatotoxicity (Marocolo et al., 2018).
    AAS presence in liver tissue will increase oxidative stress
    and mitochondrial oxidation, generating an imbalance between free
    radical production and the integrity of the cellular framework,
    finally inflicting liver injury (Arazi et al., 2017).

    Equally, the mental health impacts of steroid use could be amplified
    by components like stress, social isolation, and pressure to perform.
    Athletes and bodybuilders who use these medicine could find themselves caught in an ideal storm of psychological threat elements, making them
    significantly susceptible to psychological health points.

    One of probably the most troubling aspects of anabolic steroid use is its potential
    for habit. While these medicine don’t produce the identical type
    of euphoric high as substances like cocaine or heroin, they’ll still lead to a powerful psychological dependence.
    Steroid users who inject the drugs with a needle are in danger for infection with HIV (human immunodeficiency virus), the virus that causes AIDS, if they
    share needles with different users. Individuals who use dirty needles are also
    in danger for contracting hepatitis, a liver illness, or bacterial endocarditis, an infection of the internal lining of the guts.
    In males, steroids can lead to impotence, lowered sperm production within the testicles, and even smaller testicle dimension.
    Nonetheless, use of AASs is forbidden by the World Anti-Doping Agency (WADA).
    Nonetheless, AAS use is still very popular and 1–3% of US inhabitants have been estimated to be AAS users [6].

    Furthermore, in youthful subjects’ greater estimates have been reported [7,8].
    Nonetheless, AASs have unwanted facet effects involving all organs, tissues and body
    features, especially long-term toxicity involving the cardiovascular system and the reproductive system,
    subsequently, their abuse is taken into account a public
    well being concern [9,10]. In this regard, an elevated consciousness is needed among the many inhabitants and healthcare
    employees, both for diagnostic, therapeutic and prevention purposes.
    The aim of the proposed review is to spotlight the state-of-the-art
    regarding the mechanisms of action of AASs and the opposed results
    associated to AAS use/abuse.

    References:

    PedsElite

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Factory-Installed Options

  • Low or high gas heat options include:
    • Aluminized steel heat exchanger
    • Stainless steel heat exchanger
    • Stainless steel heat exchanger with staged gas discharge air temperature control
    • Stainless steel heat exchanger with modulating gas discharge air temperature control
  • Extended chassis tracks for auxiliary coil
  • 4’ or 8’ blank sections
  • 4-in. pleated filters
  • Bag or cartridge filters with pre-filters
  • Final filters
  • Field Use Filter Section
  • Various airflow measuring station combinations
  • UV-C lamps
  • Barometric relief
  • Modulating integrated economizer damper
  • Modulating power exhaust with VFD and building pressure sensor
  • Return fan with VFD and supply fan tracking
  • High static fan options, supply, exhaust and return
  • Alternate high-capacity evaporator coil
  • Condenser and evaporator options include:
    • All-aluminum Novation condenser and Al/Cu evaporator
    • E-coat all-aluminum Novation condenser and Al/Cu evaporator
  • Hot gas bypass
  • Controls input expansion board
  • Modulating gas heat control
  • Totally enclosed fan cooled (TEFC) or Outdoor Drip Proof (ODP) fan motors
  • Bypass on fan motor VFDs
  • GFI (ground fault interrupter) convenience outlet (powered)
  • Marine lights
  • Non-fused disconnect
  • Agion interior coating
  • Low outdoor sound
  • Low ambient control
  • 65 kA SCCR (460V) or 25 kA SCCR (575V)
  • Digital compressor
  • BACnet communication
  • Replaceable core filter drier and service valves
  • Security grilles or louvers for condenser section
  • Humidi-MiZer™ adaptive dehumidification system

Field-Installed Accessories

  • Flue extension
  • Mixed air and final filter kits
  • CO2 space sensor
  • Outdoor or return humidity sensor (enthalpy)
  • Field use control box
  • Controls input expansion board
  • Navigator™ display
  • Return air CO2 sensor
  • Smoke detector
  • Filter switch
  • Fan status switch
    • T55 Temperature Sensor
    • T56 Temperature Sensor
  • Space temperature sensor with CO2 override
  • Space temperature sensor set point and CO2 override
  • MODBUS Carrier translator
  • LonWorks Carrier translator
  • BACnet Communication module
  • System Pilot™ interface
  • Touch Pilot™ interface
  • 14-in. roof curb
  • Motormaster V control
  • Compressor sound blankets