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Fabricar: Lennox International Inc. Tamaño del archivo: 1.27 mb Nombre del archivo: Idioma del manual:

A specially designed trap assembly is shipped, secured to the air return area in lower front of unit. Check the rating plate to confirm heating and cooling capacities are as ordered and are as shown on the packaging label. When this unit is unpacked, a check should be made for any damage. If any damages are discovered, DO NOT INSTALL THE UNIT. Notify the transportation company and make proper notation on the carders freiaht bill. Damage claims must be filed with the carrier at once. The manufacturer can assume no responsibility for damages which Occur in transit or for improper Operation of the unit as a result of shipping damages. Part No. 30?90F089 Date 6-149 Supersedes 30790G082 ,, Page _of 12 TABLE OF CONTENTS " Page INSTALLATION Site Preparation ............................ 5 Condensate and Defrost Drain ................. 6 Electrical Connections ........................ 7-8 Thermostat ............................... 9 Air Filter ......... ; ...................... 9 Duct Work ............................... 9 Unit Checkout Procedure ..................... 10 OPERATION INSTRUCTIONS Heating Operation .......................... 11 Cooling Operation .......................... 11 System Shutdown .......................... 11 MAINTENANCE AND SERVICE Air Filter ................................. 12 Chassis Removal ........................... 12 Part No. 307g0F089 Date. 6-1-89 Supersedes 30790G082 Page_of 12 INSTALLATION Site Preparation Tills unit is approved for thru-the.wall installation, with zero clearance to combustible material. The unit must be installed within a conditioned space to prevent freezing of defrost water in trap assembly and to avoid jacket heat loss and surface condensation problem. This unit must be installed with the wall sleeve specified for this unit. Refer to the manufacture's specification sheet for complete information and demensions. Assemble the wall sleeve in accordance with the instructions furnished with each wall sleeve. Install the wall sleeve level and square in all comers. It is to extend a minimum of 114" to 3/8" maximum beyond finished wall to permit caulking all around the sleeve without blocking drain holes at bottom front of sleeve. Before installing unit, Inspect wall sleeve. Make sure the gaskets located on the inside of the outer flanges are firmly attached to the sleeve and are not damaged. Damage or loose gaskets must be repaired before installing unit. The sleeve is not intended as the sole support for the thru-the-wail unit. An additional support must be provided beneath the front of the unit for adequate support, The use of vibration insulation matedai between the unit and the support is recommended. See Figure 1. Wall Sleeve • Seal space between wall sleeve and building opening using non-hardening caulking com pound. The seal must be water tight+ g"x 22" rain. opening to align with return air opening in unit. Hole for drain. Ddll hole on left or dgtht side • through base after unit is installed. Celotex, or equivalent Plywood FIGURE 1. Part No. 30790F089 Date 6-1-89 Supersedes 30790G082 Page_of 12 INSTALLATION Before sliding unit into sleeve, remove 5 screws and washers from top panel. Slide unit into sleeve until the angle on top of the unit lines up with the top flange of the sleeve, and should almost touch. Fasten unit to sleeve with the 5 screws and washers above. Condensate and Defrost Drain The condensate drain trap furnished with the unit is a copper tube assembly and is furnished with three pieces of plastic tubing. To install condensate drain (Reference Figure 2.), connect one of the plastic tube ends over the 5/8" O.D. fitting welded to the center of indoor condensate drain pan and another end to.the 5/8" O.D. fitting on the chassis base. Connect the third plastic tube end to the open drain trap, The drain line should pitch gradually downward at least 1 inch per foot of horizontal run to open drain trap. Be certain that plastic drain tube has free drainage and Is not cdmpad or flattened at any bend. Test drainage by pouring water into drain pan under indoor coil and see that It Is removed rapidly through the drain tubing. The plastic drain connection Is provided so that tt may be disconnected from the permanent drain tubing in the building without unsoldering tn the event It becomes nceccesaary to remove the refrigeration drawer assembly. TOTAL DEFROST DRAIN SYSTEM MUST BE LOCATED IN THE CONDITIONED AREA TO AVOID FREEZING. Drain line must not be above lowest drain FIGURE 2. pan fitting. Indoor coil Drain pan i,ii_ II • Chassis base I I r-w Use hole provided | on either side of base to exit unit. Retum air duct (if used) 5/8" rain. O.D. copper or alum. drain tube (shaded Item. Pitch 1 In. per ft. Installer supplied) Open drain trap Alternate in conditioned route through s...

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