York YCL09 Installation Manual

York YCL09 Installation Manual Manual pdf 41 page image

41AFFINITY LOW SILL SERIES INSTALLATION MANUALObtaining PartsWhen ordering service or replacement parts, refer to the modelnumber and serial number of the unit as stamped on the serialplate attached to the unit. If replacement parts are required, men-tion the date of installation of the unit and the date of failure, alongwith an explanation of the malfunctions and a description of thereplacement parts required.In-Warranty Material ReturnMaterial may not be returned except by permission of authorizedwarranty personnel. Contact your local distributor for warrantyreturn authorization and assistance.CAUTION: Fin edges are sharp.Preventive MaintenanceReplacement ProceduresWater Coil Maintenance1. Keep all air out of the water. An open loop system should bechecked to ensure that the well head is not allowing air toinfiltrate the water line. Lines should always be airtight.2. Keep the system under pressure at all times. It is recommendedin open loop systems that the water control valve be placed inthe discharge line to prevent loss of pressure during off cycles.Closed loop systems must have positive static pressure.Note: On open loop systems, if the installation is in an area with aknown high mineral content (125 PPM or greater) in the water, it isbest to establish with the owner a periodic maintenance scheduleso the coil can be checked regularly. Should periodic coil cleaningbe necessary, use standard coil cleaning procedures which arecompatible with either the cupronickel or copper water lines.Generally, the more water flowing through the unit the less chancefor scaling.Other MaintenanceFiltersFilters must be clean to obtain maximum performance. They shouldbe inspected monthly under normal operating conditions and bereplaced when necessary. Units should never be operated withouta filter.Condensate DrainIn areas where airborne bacteria produce a slime in the drain pan,it may be necessary to treat chemically to minimize the problem.The condensate drain can pick up lint and dirt, especially with dirtyfilters. Inspect twice a year to avoid the possibility of overflow.Blower MotorsBlower motors are equipped with sealed ball bearings and requireno periodic oiling.Air CoilThe air coil must be cleaned to obtain maximum performance.Check once a year under normal operating conditions and, if dirty,brush or vacuum (with a brush attachment) clean. Care must betaken not to damage the aluminum fins while cleaning.

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