Download Carrier SINGLE PACKAGED ELECTRIC COOLING UNITS 50GS Specifications
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50GS NFATUNG 50Hz Electric & COOLING Cooling Units %isitx__ _.carrier.com A Guide to Operating and Maintaining Your Single-Packaged Electric Cooling Units NOTE: Read installation. the entire instruction SAFETY Note user. to h_stal[er:This Do not store to follow death. should or use gasoline or other could result of these Immediately inspect the unit and to replace call has been under could result flamnmble wq_ors and in fire, serious malts if any part water. which the be left with the equipment of these or any other appliances. this warning Do not use either bellk_re starting CONSIDERATIONS manual liquids in the vicinity manual a qualified has been service Failure shock, or under technician any part of the control water. in electrical Failure injury, to system to _k_llow this warning fire, serious injury, or death. C99001 Be%re main per%rming power installed. recommended switch Electric to unit shock STARTING 1. To start this unit: a. Turn 2. To shut could this unit YOUR of'your stat. You simply protect level switch or MODE because of a malNnction, contlol to OFF. supply optional to unit and install electric electric or MODE control heaters heaters) for use of your indoor your unit will rnn in heating rare is raised AmR CONDITIONER is conholled you Most selector, RefEr yourself by the indoor and it maintains select. investment or MODE thermo- the indoor themaostats a FAN to your have control, 3 and a thermostat and to eliminate days This section your dealer. mode to the level you have selected. periods to maintain and nights discusses when Of course, a comfortable than on moderate AND maintenance thermostat until room set tempera° your systenr environment ones. SERVICE that should control periods On extlemely set to COOL, temperature be per%treed by at a time and have shorter Catalog the right No to discontinue, 005-00000 should Your can help you establish will "o_t" periods than by skilled, keep your unit area clear materials, gasolin< To assure proper MAINTENANCE and other ffinctioning flammable ram). proce- and thee of combustible liquids of your unit, fi'om reaching experienced a standard flow and vapors. of condenser the unit. Clearance Clearance air fi'om the of at least the duct side which 42 in. has a AND <7ARE BY THE EQUIPMENT OVv_ER Befbre proceeding with those things you might want to maintain yourself, please careffilly consider the _bllo_;ing: at any time, specifications Printed in U.S.A be handled to the system or change maintenance personnel dure (I070 ram) is required on sides, except 12 in. (305 ram) minimum clearance. days. reserves All routine dealer E top of the unit is 48 in. (1220 your unit will is lowered MAINTENAN< must not be obstructed g_cts: hot days, your ROUTINE For your safety, owner's unnecessa_ with the %llowing mode until the indoor level you have selected. Manufacturer have may optional is desired. to HEAT, Mode With the SYSTEM PC 101 power control your l--Cooling on moderate system (with MAINTENANCE the thermostat familiarize run for longer Your will run fbr longer ELECTRIC a temperature run in cooling Mode With the SYSTEM to unit. SYSTEM or MODE SYSTEM or MODE control. manual for more infbrmation. Step 2--Heating on cooler system adjust at the calls, Step tag. The operation sela'ice supply shut down off the electrical lock-out To better OFF off: SWITCH OPERATING controls: it{jury or death. UNIT 50GS (80Hz) tag as soon as possible. a. Set system temperature power and set mode. If the unit is being b. Turn serious Fig. 1--Unit the heating on the electrical call your dealer cause be sure off and lock-out OR SHUTTING b. Select temperature control to desired NOTE: maintenance, is turned Form OM50-31 or designs without notice Pg 1 and without 10-01 incurring obligations. Replaces: New ACCESS PANEL FILTER ACCESS PANEL* *For accessory fitter rack. C00160 Tab{e UNIT SIZE 50GS (50 NZ) 024 RETURN=A_R FILTER (508 Throwaway Filter 030 20" x 20" (ram / I--Indoor-Air 036 20" x 20" (508 x 508) x 508) Data 060 048 20" x 24" (508 x 6096) 24" x 30" (609.6 x 762) 24" x 30" (6096 x 762) Fig. 2--Filter Access PaneloVertical SuppJy Shown (Unit Shown with OptionN Louvered Grille) 1. TURN OFF ALL ELECTRICAL POWER TO YOER UNIT AND INSTALL LO(K-OUT TAG BEFORE SERVICING OR PERFORMING MArNTENANCE ELECTRIC SHOCK COULD (AUSE SERIOUS INJURY OR DEATH. Never operate to heed and/or compressor. parts of your unit can cause cases, a fire. Periodically, check the condition and Outdoor (?leaning of the coils personnel. nance. (ontact Drain filter size fbr your unit. Refer The &ain and condensate the same time the cooling inspect filters (or accessory the filters. filter rack when and, in and housings dealer and for the required by qualified for the required line should annual be checked coils are checked service mainteo and cleaned by your at dealer. Compressor supplied): 1. Remove the filter access &iver or wrench. 2. Remove your only be done dealer Condensate or of dust and tint on loss of efficiency of fhn wheels (ontact should your stress on the blower motor and can cause the and shut down. Table 1 indicates the correct replace Failure to the blower Coils produce excessive motor to overheat To An accun-mlation fanomotor shafl bearings. annual maintenance. eve N- 4 weeks and dirty. Dirty filters to Fig. 2 to access in place in damage internal Indoor filter(s) should be checked about or cleaned whenever it becomes d_e filter(s) result Fans and Fan Motor Air Filters The air changed may motor sonle 2. When removing access panels or perfbmaing maintenance Nnctions inside your unit, be aware of sharp sheet metal parts and screws. Although special care is taken to keep sharp edges to a minimum, be extremely careNl when handling parts or reaching into the unit. your malt without this warning the filter(s) is dirt?-, clean panel using by pulling or replace a 5i16oin. All compressors (7.9 ram) nut it out of the unit. If the filter(s) When installing the new filter(s), an'ows on the filter frame. note the direction type ref?igeration require additional Condenser with a new one. concerning proper instructions. When locating filter your air filter(s) maintenance, replacing filters, contact always grade , or have questions dealer charge of d-_e should rarely oil. of the airflow your with a normal oil. A compressor Fan Do not poke If you have difficulty are factov-shipped correct revolving sticks, ['an blades. screw&ivers, Injury 0 ! or any other or equipment damage objects into may result. for use the same size and The finn n-rest be kept cooling 2 Contact your flee of all obstructions dealer for any required to ensure service. proper Electrical Controls and Wiring Electrical controls can not be checked rations. If there contact your Refi'igerant are dealer any 8 without discrepancies and request proper in the operating cycle, 9 service Your circuit cannot be checked proper equipment. If inadequate tocal dealer for service. cooling fbr leaks without is suspected, contact the your under refrigerant pressure, before serious injury system repair or death, flow°control devices, Use pressure recover or final unit disposal all service including and ports solenoid all service Start=Up YOU ,,check all valves, ( ) (heck servicing perforating units, be sure all panels from cmTect unit REGULAR any maintenance entering are fi_stened unit airflow or service cabinet on either securely in place and to prevent of these to prevent disruption of the DEALER to the type of routine to perform, your trained service and cooling unit should technician. season, but maintenance be inspected An inspection at least every you might be willing regularly by a properly (preferably year) each should heating include the following: 1. Inspection coils and, if required, 2. Inspection and, if required, cleaning cleaning of the outdoor and indoor of the indoor coil &ain with 3. Inspection and cleaning of blower wheel housing 4. Inspection of all supply=air and return-air obstructions, and insulation integrity. Any should be resolved at this time and motor ducts for leaks, problems fbund 6. Inspection of the unit casing 7. Inspection of all electrical connection. wiring and components airflow. Check or supply-air the air filter for dirt. Check grilles. Be sure they are open do not reveal the cause, call your at all, check temperatme optional MODE temperature electric control during during heater). the %llowing temperature the cooling heating season Be sure is in the COOL list %r the or HEAT selector season is set or above (if unit is installed SYSTEM position switch or and not in the OFF position. ( ) If your unit still fSils to operate, call your servicing troubleshooting the model and serial numbers and repairs. of your unit. (Record If the dealer knows to offer suggestions IN CASE If you Specify them in this manual exactly which over tl_e phone, preparation dealer for in the space provided.) unit you have, he may be able or save valuable time through fbr the stun'ice call. OF TROUBLE perfbrrn unsatisfhctory, the Name Unit Model Unit Serial steps above and unit perfbm_ance shut off the unit and call your dealer. Telephone to assure Instal- problems, If these checks gaps, etc., fbr signs of deterioration unit's ,, to be sure that your them_ostat Dealer's 5. Inspection of the unit base to ensure that no cracks, exist which may cause a hazardous condition. contract is suspected: is not operating knowledgeable pan proper SERVICE the indoor the indoor In addition can be fkmnd in each easily-solved condi- solutions: below MAINTENAN(E service details. (7ALL FOR return=air unit ( ) (heck pattern an economical Ask for filrther Instructions. cooling working be made at this time dealer. If your easy to detem_ine and Service and unobstructed. After rain instructions Pressure-check charge. should may offer for sufficient for blocked Unit Panels of the unit inspections. %r several If insufficient to avoid and open dealer circuit. refrigerant or adjustment seasonal Complete lation, Relieve check stun'icing that covers in the refrigerant appropriate Repair BEFORE System fbr leaks Operational tions Circuit The refrigerant Inspection to determine instrumen° Nm'nber Date of Installation is still Copyright 2001 CARRIER Manufacturer PC 101 Corp. _ 7310 W. Morris St • Mdianapolis. reserves Catalog No the right to discontinue, 005-00000 or change IN 46231 om5031 at any time, specifications Printed in U.SA Form OM50-31 or designs without notice and without Pg 4 10-01 incurring obligations. Replaces: New