LG ARUM036GSS5 - Manuals

CAUTION ! • The wall thickness of the piping should comply with the relevant local and national regulations for the designed pressure 3.8 MPa[551.1 psi] • Since R410A is a mixed refrigerant, the required additional refrigerant must be charged in its liquid state. If the refrigerant is charged in its...

6 ENGLISH Select installation location of the HR unit suitable for followingconditions - Avoid a place where rain may enter since the HR unit is for indoor. - Sufficient service space must be obtained. - Refrigerant pipe must not exceed limited length. - Avoid a place subject to a strong radiation h...

7 ENGLISH • The following values are the least space for installation. If any service area is needed for service according to field circumstance, obtainenough service space. • The unit of values is mm. In case of obstacles on the suction side 1. Stand alone installation 100(3-15/16) or more 1000 (39...

8 ENGLISH Unit:mm(inch) H L 100(3-15/16) or more 500(19-5/8) or less 500(19-5/8) or less H L 1000 (39-1/4) or more 300(11-13/16) or more 1000 (39-1/4) or more H L 300(11-13/16) or more 100(3-15/16) or more 1500(59) or more 300(11-13/16) or more 500(19-5/8) or less 1000 (39-1/4) or more H L 1500(59) ...

9 ENGLISH • When carrying the suspended, unit pass the ropes under the unit and use the two suspension points each at the front and rear. • Always lift the unit with ropes attached at four points so that impact is not applied to the unit. • Attach the ropes to the unit at an angle of 40° or less. CA...

10 ENGLISH Unit : mm (inch) 200(7-7/8) 75(2-15/16) 75(2-15/16) 200(7-7/8) 100(3-15/16) Ⓐ The corner part must be fixed firmly. Otherwise, the support for theinstallation may be bent. Ⓑ Get and use M10 Anchor bolt. Ⓒ Put Cushion Pad between the outdoor unit and ground support forthe vibration protect...

11 ENGLISH Opening shutoff valve 1 Remove the cap and turn the valve counter clockwise with thehexagon wrench. 2 Turn it until the shaft stops.Do not apply excessive force to the shutoff valve. Doing so maybreak the valve body, as the valve is not a backseat type. Alwaysuse the special tool. 3 Make ...

12 ENGLISH Regulator Nitrogen gas Pressure 0.02 MPa(2.9 psi) less Auxiliary valve Taping (Should not contain air) Welding Point Note) should not block the outlet side. When the internal pressure in pipe is above the atmospheric pressure, pinhole isoccurred and it is a leakage cause. Oxide scale Nitr...

13 ENGLISH WARNING ! • Always careful not to leak the refrigerant during welding. • The refrigerant generates poisonous gas harmful to human body if combusted. • Do not perform welding in a closed space. • Be sure to close the cap of the service port to prevent gas leakage after the work. CAUTION ! ...

14 ENGLISH WARNING ! • A branch pipe of HR unit allows up to 14.5kW(48kBtu/h) based on cooling capacity of the indoor unit. (up to 14.5kW(48kBtu/h)for max installation) • The maximum total capacity of indoor units connected to a PRHR043(A) HR unit is 58kW(192kBtu/h). • The maximum number of indoor u...

15 ENGLISH Outer diameter [mm(inch)] 6.35(1/4) 9.52(3/8) 12.7(1/2) 15.88 (5/8) 19.05 (3/4) 22.2(7/8) 25.4 (1) 28.58 (1-1/8) 31.8 (1-1/4) 34.9 (1-3/8) 38.1 (1-1/2) 41.3 (1-5/8) 44.45 (1-3/4) 53.98 (2-1/8) Minimumthickness [mm(inch)] 0.8 (0.03) 0.8 (0.03) 0.8 (0.03) 0.99 (0.04) 0.99 (0.04) 0.99 (0.04)...

17 ENGLISH - Pipe connections can be done on the front side or on the side according to the installation environments. - Be sure to let 0.2 kgf/cm 2 (2.8 psi) Nitrogen flow in the pipe when welding. - If Nitrogen was not flown during welding, many oxidized membranes may form inside the pipe and dist...

18 ENGLISH Pipe Knock Out for Liquid/Gas pipes Method of drawing out pipes on the rear side - Proceed with the pipe work as shown in the below figure for rear side pie drawing out. Pipe Knock Out for Liquid/Gas pipes h Pictures may differ depending on the model. WARNING • Refer to the HR unit PCB pa...

20 ENGLISH Y branch, Header and HR unit connection pattern Pattern 1 Pattern 2 Pattern 3 HR1 HR1 14.5kW (48kBtu/h) 14.5kW (48kBtu/h) 14.5kW (48kBtu/h) 14.5kW (48kBtu/h) 1 1 2 2 3 4 5 6 7 HR2 2.1kW (7kBtu/h) 2.1kW (7kBtu/h) 2.1kW (7kBtu/h) 2.1kW (7kBtu/h) 2.1kW (7kBtu/h) 7.25kW (24kBtu/h) 7.25kW (24k...

23 ENGLISH WARNING • It is recommended that difference of piping length for pipes connected to the Indoor Unit is minimized. Performancedifference between Indoor Units may occur. • When the any one (or both ) of below conditions are satisfied, the diameter of main pipe (A) must be increased accordin...

24 ENGLISH For Heat Recovery System Installation Ⓐ Manifold Gauge Ⓑ Low pressure side Handle Ⓒ High pressure side Handle For Heat Pump System Installation Ⓐ Manifold Gauge Ⓑ Low Pressure Side Handle Ⓒ High Pressure Side Handle WARNING ! • Pipe to be vacuumed : gas pipe, liquid pipe • If the refriger...

26 ENGLISH For Heat Recovery System Installation * For more information, refer accessory installation manual. Y branch pipe [Unit : mm(inch)] Models Pipe ARBLB01621 Low-Pressure Vapor Pipe I.D 12.7(1/2) I.D 15.88(5/8) I.D 12.7(1/2) I.D 15.88(5/8) I.D 19.05(3/4) O.D 15.88(5/8) I.D 15.88(5/8) Liquid p...

28 ENGLISH [Unit:mm(inch)] Header Models Pipe 4 branch ARBL054 Gas pipe 120(4-23/32) 150(5-29/32) 360(14-3/16) 120(4-23/32) ID 15.88(5/8) ID 12.7(1/2) ID 15.88(5/8) ID 19.05(3/4) ID 12.7(1/2) ID 15.88(5/8) Liquid pipe 120(4-23/32) 120(4-23/32) 150(5-29/32) 360(14-3/16) ID 9.52(3/8) ID 6.35(1/4) ID 9...

29 ENGLISH This function is used for creating vacuum in the system aftercompressor replacement, ODU parts replacement or IDU addition /replacement. Vacuum mode setting method Vacuum mode off method Service PCB DIP switch on : No.5 Select the mode using ‘ ▶ ’, ‘ ◀ ’ Button : “SVC” Push the ‘ ● ’ butt...

30 ENGLISH Installation Heat Pump NOTE ! If the ambient temperature differs between the time when pressure isapplied and when the pressure drop is checked, apply the followingcorrection factor There is a pressure change of approximately 0.01 MPa(1.5 psi) for each33.8 °F (1 °C) of temperature differe...

31 ENGLISH NOTE ! Always add an appropriate amount of refrigerant. (For the refrigerantadditional charge) Too much or too little refrigerant will cause trouble.To use the Vacuum Mode (If the Vacuum mode is set, all valves of Indoorunits and Outdoor units will be opened.) WARNING ! Use a vacuum pump ...

32 ENGLISH - Install the Outdoor Unit communication cable away from the power source wiring so that it is not affected by electric noise from the powersource. (Do not run it through the same conduit.) - Be sure to provide designated grounding work to Outdoor Unit. - Give some allowance to wiring for...

33 ENGLISH Side panel WARNING ! The temperature sensor for outdoor air should not be exposed todirect sunlight.- Provide an appropriate cover to intercept direct sunlight. NOTE ! • The figures are based on assumed length of parallel cabling up to 100 m [328 ft]. For length in excess of 100 m [328 ft...

34 ENGLISH WARNING ! • Follow ordinance of your governmental organization for technical standard related to electrical equipment, wiringregulations and guidance of each electric power company. • Make sure to use specified cables for connections so that no external force is imparted to terminal conne...

35 ENGLISH Example) Connection of power and communication cable ARUM***GSS5 3, 4 Ton Right side Front side Power/ Ground cable Communication cable Over 50mm gap Over 50mm gap Power/ Ground cable Comm- unication cable Insulation sleeves attachment Power/ Ground cable Hold power cable Fix firmly not t...

36 ENGLISH Service PCB h Heat Pump installation ① Turn on the DIP s/w No 4. ② The factory setting display is appeared “HR”. ③ Change “HR” into “HP” display pushing ▶ button and then push confirm button. ④ Turn off the DIP s/w No 4. and Push reset button to restart thesystem. (If you turn on the DIP ...

37 ENGLISH 1 Selection of the method for addressing valves of an HR unit(Auto/Manual) 2 Setting the zoning control SW02M ON S/W Selection No.1 Method for addressing valves of anHR unit (Auto/Manual) No.2 Model of HR unit No.3 Model of HR unit No.4 Model of HR unit No.5 Valve group setting No.6 Valve...

39 ENGLISH NOTE ! Use the Valve Group Control when 2 branches are connected withonly 1 indoor unit which has higher capacity than 61 kBtu. NOTE ! If the large capacity indoor units are installed, below Y branch pipeshould be used. Valve Group SW01D Setting Valve Group SW01D Setting Not control 0 No....

41 ENGLISH • Automatic addressing process end Numbers of indoor unit connected are indicated for 30 seconds on 7-segment LED after completing process. Indoor address number is displayed on wired remote controller or indoor unit display window. It is not an error message, will disappeared when on/off...

42 ENGLISH WARNING ! • In case that central controller is not installed, firstly set up central controller’s setting to make address setting of indoor units. • In case that central controller is installed, please set central control address in wired remote control of indoor unit. • Do not set centra...

44 ENGLISH No. Display and setup Setup and Contents 1 - Operation: Turn DIP S/W No.1 on. - Display: "11" is displayed in 7-SEG 2 - Operation: Turn DIP S/W No.1 off - 7-SEG disappeared 7-SEG SW01E 7-SEG SW01E No. Display and setup Setup and Contents 1 - Operation: more than 2 DIP switches tur...

45 ENGLISH Outdoor Units (Main PCB) Example) Group number setting 1 st number indicate the group number 2nd number point out indoor unit number SODU.B SODU.A IDU.B IDU.A CEN.B CEN.A DRY1 DRY2 GND 12 V B(D) A(C) 1 F Group Indoor unit Group recognizing the central controller No.0 group (00~0F)No.1 gro...

46 ENGLISH FAN Maximum RPM of each step ARUB***GSS4 ARUM***GSS5 Service PCB DIP switch on : No.5 Select the mode using ‘ ▶ ’, ‘ ◀ ’ Button : “Func” Push the ‘ ● ’ button Select the Function using ‘ ▶ ’, ‘ ◀ ’ Button : “Fn2” Push the ‘ ● ’ button Select the Option using ‘ ▶ ’, ‘ ◀ ’ Button : “op1” Pu...

48 ENGLISH * Refer to the Indoor manual for some Indoor Error code. Display Title Cause of Error Indoor unit related error 0 1 - Air temperature sensor of indoor unit Air temperature sensor of indoor unit is open or short 0 2 - Inlet pipe temperature sensor of indoor unit Inlet pipe temperature sens...

49 ENGLISH HR unit related error Display Title Cause of Error 5 0 * Omitting connection of R, S, T power of Outdoor Unit Omitting connection of outdoor unit 5 1 * Excessive capacity of indoor units Excessive connection of indoor units compared to capacity of Outdoor Unit 5 2 * Communication error : ...

50 ENGLISH Calculate minimum room capacity Calculate room capacity by regarding a portion as one room or thesmaller room. - With partition and with opening which serve as passage of air toadjoining room - Without partition Concentration limit is the limit of Freon gas concentration whereimmediate me...

51 ENGLISH • Periodic (1 times per 6 months) cleaning of the dust or salt particles stuck on the heat exchanger Is necessary by usingclean water In case, to install the outdoor unit on the seaside, set up a windbreaknot to be exposed to the sea wind. - It should be strong enough like concrete to pre...