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DocuSign Envelope ID:A91745B2-0048-49DC-B6BF-676F03362AEA <br /> H V <br /> HOFFMAN <br /> MECHANICAL SOLUTIONS <br /> **Certificates are available upon request** <br /> Customer Benefits with Daikin VRV Preventive Maintenance Program <br /> • Coil Cleaning & Filter Changing (optional) - As the outdoor or indoor heat exchangers accumulate <br /> dust or pollen particulate, the VRV system compensates by increasing fan speeds. The results are <br /> higher energy costs, and capacity reduction at full load. <br /> • Confirm Proper Refrigerant Level - Any loss in refrigerant will affect the system's capacity and <br /> efficiency. A low refrigerant condition will force the VRV compressor to increase speed in an <br /> attempt to circulate more refrigerant to the indoor units. This increases energy consumption and <br /> causes premature wear on the VRV compressor. <br /> Daikin System Analyzing — Use of Daikin's service checker/ data logging equipment allows HMS to <br /> evaluate system performance and make recommendations for improvement. <br /> • DIII Network - Daikin's DIII communication network transfers data between all equipment on the <br /> network. As part of our Preventative Maintenance Service Agreement, Hoffman will check the <br /> integrity of this communication buss which is critical to the efficient control of the entire system. <br /> • Many VRV systems include highly engineered and complex ancillary equipment such as 100% <br /> outside air units. Hoffman's team of technicians is trained on equipment made by multiple <br /> manufacturers and has the expertise required to provide maintenance on the overall system. <br /> • OEM Parts Stock - The Hoffman Organization is a major parts and equipment distributor for Daikin. <br /> We have extensive inventory on hand in the event of a service emergency. <br /> • Service Discounts - Our Service Agreement Customers benefit from a discount on parts, equipment, <br /> and labor charges if a service call is needed. <br /> • Priority Response - Premium response time is given to our service agreement customers as a <br /> benefit to your preferred status. <br /> • In addition to our standard preventative maintenance offering, customers may elect to pre- <br /> purchase a block of hours to be used for non-preventative maintenance and/or repair services. <br /> These hours can be used at the customer's discretion and may be applied to equipment not <br /> included in the PM agreement. <br /> • Maintain Performance - Our Daikin Factory Authorized preventive maintenance program provides <br /> evaluation of critical components and settings which may lead to recommendations on how to <br /> optimize performance, efficiency, and extendeEl the lifespan of your VRV system. <br /> • Support facility staff and establish a schedule to provide seasonal inspections/maintenance. Ideally, <br /> the mutually developed schedule will allow time to address deficiencies before peak heating/cooling <br /> season and allow maximum facility uptime. <br /> Page 4 of 8 <br />