User manual LG LT-B3661HL

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Manual abstract: user guide LG LT-B3661HL

Detailed instructions for use are in the User's Guide.

[. . . ] OPERATION DESCRIPTION 7-1 7-2 7-3 7-4 7-5 7-6 7-7 7-8 7-9 8-1 8-2 8-3 8-4 8-5 8-6 8-7 8-8 Outline of Air Conditioner Control Description of Operation Circuit Hi POWER Mode High-Temperature Limit Control Low-Temperature Limit Control Defrosting Operation Auto Restart Function Filter Check Lamp Self-Cleaning function Safety Cautions Installation Diagram of Indoor and Outdoor Units Installation Indoor Unit Outdoor unit How to Set Remote Control Selector Switch How to Use Drain Pump Kit of Option Others ­1­ 8. TROUBLESHOOTING CHART 9-1 9-2 9-3 9-4 9-5 9-6 9-7 9-8 9-9 10-1 10-2 10-3 10-4 11-1 11-2 11-3 11-4 11-5 11-6 Troubleshooting Procedure Basic Check Items Primary Judgement Self-Diagnosis by Remote Control (Check Code) How to Diagnose Faulty Parts Troubleshooting for Indoor Unit Troubleshooting for Wiring (Interconnect Cable and Serial Signal Wire) Troubleshooting for P. C. Board Troubleshooting for Remote Control Indoor Unit Outdoor Unit (RAS-18UAH-ES4) Outdoor Unit (RAS-18UA-ES4) Outdoor Unit (LT-B3661HL, RAS-24UA-ES4) Indoor Unit (E-Parts Assy) Indoor Unit Outdoor Unit (RAS-18UAH-ES4) Outdoor Unit (RAS-18UA-ES4) Outdoor Unit (LT-B3661HL) Outdoor Unit (RAS-24UA-ES4) 10. EXPLODED VIEWS AND PARTS LIST · This air conditioner is charged with HFC (R-410A) that does not deplete the Ozone layer. [. . . ] Open fully the valve stem of the packed valves (both sides of Gas and Liquid). Remove the charging hose from the service port. Securely tighten the caps on the packed valves. Compound pressure gauge Pressure gauge CAUTION · Do not apply excess torque, otherwise the nut may crack depending on the conditions. · Tightening torque of flare pipe connections The operating pressure of R-410A is higher than that of R-22 (Approx. It is therefore necessary to tighten firmly flare pipe connecting sections (which connect the indoor and outdoor units) up to the specified tightening torque. Incorrect connections may not only cause a gas leakage, but also damage the refrigerant cycle. Flare at outdoor unit side Fig. 8-5-4 -101kPa (-76cmHg) Half union Externally threaded side Flare nut Internally threaded side Handle Lo Charge hose (For R-410A only) Use a wrench to secure. Use a torque wrench to tighten. Manifold valve Handle Hi (Keep full closed) Charge hose (For R-410A only) Fig. 8-5-5 Connecting pipe Vacuum pump adapter for counter-flow prevention (For R-410A only) Vacuum pump Packed valve at gas side Service port (Valve core (Setting pin)) Packed valve at liquid side CAUTION · KEEP IMPORTANT 4 POINTS FOR PIPING WORK (1) Take away dust and moisture (Inside of the connecting pipes). (2) Tight connection (between pipes and unit). (3) Evacuate the air in the connecting pipes using VACUUM PUMP. SVM-05014 TO CHARGE REFRIGERANT RAS-18UFHP-ES4 / 18UAH-ES4 RAS-24UFHP-ES4 / 24UAH-ES4 RAS-18UFP-ES4 / 18UA-ES4 RAS-24UFP-ES4 / 24UA-ES4 <Stripping length of connecting cable> Terminal block No need to charge refrigerant Need to charge refrigerant 15 m or less Over 15 m up to 20 m (20g/m) 15 m or less Over 15 m up to 25 m (20g/m) Terminal screw Cord clamp L N 1 2 3 Earth line Screw Cord clamp <Packed valve handling precautions> · Open the valve stem all the way out; but do not try to open it beyond the stopper. (The preset temperature on the remote control changes to [00]. ) 3) Press the [MODE] button while pressing the [CHECK] button, [B] is indicted at the right of the present temperature display. · To reset the switch to the [A] setting, press the [MODE] button again while pressing the [CHECK] button. Fig. 8-6-1 3) Select the terminal of selector switch from [A position] to [B position]. [MODE] button C INSTALL A B [CHK] button REMOCON F Fig. Confirm that the indoor unit can operate with the new setting. Fig. How to Use Drain Pump Kit of Option In the case of upward drainage from the unit (Under ceiling installation). It is necessary to use Drain pump kit of option parts. By using a Drain pump kit, it becomes possible to raise 300 mm from a ceiling side. Please follow the installation manual of Drain pump kit (TCB-DP10CE) attachment. 8-8. Gas leak test Electric parts cover D C Flare nut connections (Indoor unit) Valve stem cap connection Flare nut connections (Outdoor unit) A 300 mm B Service cap connection Valve stem cap connection Fig. 8-8-1 · Check the flare nut connections, valve stem cap connections and service port cap connections for gas leak with a leak detector or soap water. Test operation To switch the TEST RUN (COOL) mode, press TEMPORARY button for 10 sec. [. . . ] 43T69311 43T69312 43T69313 43T69314 43T50004 43T60002 43T62003 Description PC BOARD (FOR RAS-24UFHP-ES4) PC BOARD (FOR RAS-24UFP-ES4) PC BOARD (FOR RAS-18UFHP-ES4) PC BOARD (FOR RAS-18UFP-ES4) SENSOR; HEAT EXCHANGER TERMINAL BLOCK; 3P CORD CLAMP Location No. 43T69315 43T50302 43T69311 43T69312 43T69313 43T69314 43T08349 Description DISPLAY UNIT TEMPERATURE SENSOR PC BOARD (FOR RAS-24UFHP-ES4) PC BOARD (FOR RAS-24UFP-ES4) PC BOARD (FOR RAS-18UFHP-ES4) PC BOARD (FOR RAS-18UFP-ES4) SWITCH COVER ­ 77 ­ FILE NO. Indoor Unit 220 222 217 218 224 227 208 207 214 223 208 203 212 216 235 206 204 202 213 211 219 225 221 226 210 209 229 215 233 228 231 235 201 205 232 234 230 Location No. 201 202 203 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 218 219 Part No. [. . . ]

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