Manuale d’uso / di manutenzione del prodotto DMH18SB-1 del fabbricante Heat Controller
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Wall Mounted Mini-Split System Single-Zone Air Conditioning/Heat Pump Service Manual DMC09SB-0/DMH09SB-0 DMC12SB-0/DMH12SB-0 DMC18SB-1/DMH18SB-1 DMC24SB-1/DMH24SB-1 Befor e servicing the unit, r ead the “safety pr ecautions” in this manual. Only for authorized service personnel.
2 Room Air Conditioner Air Conditioner Ser vice Manual T ABLE OF CONTENTS Safety Precautions .......................................................................................................................................... 3 Dimensions ......
Ser vice Manual 3 Saf ety Precautions Safety Precautions T o pre v ent injur y to the user or other people and proper ty damage, the f ollo wing instructions must be f ollow ed. ■ Incorrect operation due to ignoring instruction will cause har m or damage.
4 Room Air Conditioner Saf ety Precautions ■ Operation Be sure the installation area does not deteriorate with age. • If the base collapses , the air condi- tioner could f all with it, causing prop- er ty damage, product f ailure, and personal injur y .
Ser vice Manual 5 Saf ety Precautions Stop operation and close an y win- dow in storm or hurricane bef ore the hurricane arrives. • There is risk of proper ty damage, f ailure of product, or electric shock. Do not open the inlet grill of the product during operation.
6 Room Air Conditioner Saf ety Precautions Alwa ys chec k f or gas(refrigerant) leakage after installation or repair of product. • Lo w refrigerant le vels ma y cause product f ailure. Install the drain hose to ensure that water is drained awa y pr operly .
Ser vice Manual 7 Saf ety Precautions Use a soft cloth to c lean. Do not use harsh deter gents, sol- vents, etc. • There is risk of fire, electric shock or damage to the plastic par ts of the product. Do not touch the metal parts of the product when remo ving the air fil- ter .
8 Room Air Conditioner Dimensions Dimensions D H W Installation plate W mm(inch) 840(33.1) 894(35.2) 894(35.2) H mm(inch) 270(10.6) 295(11.6) 295(11.6) D mm(inch) 153(6.
Ser vice Manual 9 Dimensions D H W Installation plate W mm(inch) 1090(42.9) 1090(42.9) H mm(inch) 300(11.8) 300(11.8) D mm(inch) 178(7.0) 178(7.0) Model Dimension 18 Btu Series 24 Btu Series.
10 Room Air Conditioner Dimensions Outdoor Unit 1. 9k, 12k W L2 L3 L1 D H L4 L5 Gas side (3-way valve) Liquid side (2-way valve) MODEL 9k, 12k DIM unit W mm(inch) 770(30.3) H mm(inch) 540(21.3) D mm(inch) 245(9.6) L1 mm(inch) 287(11.3) L2 mm(inch) 64(2.
Ser vice Manual 11 Dimensions 2. 18k, 24k W L6 L5 L7 L8 D L1 L2 L9 L10 L3 L4 H MODEL 18k, 24k DIM W mm(inch) 870(34.3) H mm(inch) 655(25.8) D mm(inch) 320(12.6) L1 mm(inch) 370(14.6) L2 mm(inch) 25(1.0) L3 mm(inch) 630(24.8) L4 mm(inch) 25(1.0) L5 mm(inch) 546(21.
12 Room Air Conditioner Introduction Intr oduction This symbol alerts you to the risk of electric shoc k. This symbol alerts you to hazar ds that may cause harm to the air condi- tioner .
Ser vice Manual 13 Introduction Type "A" screw and plastic anchor Type "B" screw Remote Control Holder Installation plate Figure Figure Name Screw driver Electric Drill Measuring T.
14 Room Air Conditioner Installation Installation Map Base Plate Air Inlet Vents Air Outlet Vents Installation parts you should purchase. Air Discharge Forced Operation Button Operation Indication Lamps/ Signal Receptor Vinyl tape (Wide) • Apply after carrying out a drainage test.
Ser vice Manual 15 Installation 1. Check the quality label on the indoor and outdoor unit. 2. Make certain that the refr igerant is R-410A. THIS PRODUCT CONT AINS R-410A REFRIGERANT 1) Diff erent compressor oil - R-410A(P olyol ester) / R-22(Mineral).
16 Room Air Conditioner Outdoor unit 1. If an a wning is built o v er the unit to pre v ent direct sunlight or rain e xposure, make sure that heat radiation from the condenser is not restricted. 2. Ensure that the space around the bac k and sides is more than 10cm(3.
Ser vice Manual 17 Piping Length And Elev ation • Capacity is based on standard length and maximum allo wance length is on the basis of reliability .
18 Room Air Conditioner The wall y ou select should be strong and solid enough to pre v ent vibration 1. Mount the installation plate on the wall with type "A" screws . If mounting the unit on a concrete wall, use anchor bolts . • Mount the installation plate horizontally b y aligning the centerline using a lev el.
Ser vice Manual 19 Flaring W ork Cut the pipes and the cable. 1. Use the piping kit accessor y or the pipes purchased locally . 2. Measure the distance between the indoor and the out- door unit. 3. Cut the pipes a little longer than measured distance.
20 Room Air Conditioner Indoor 1. Prepare the indoor unit's piping and drain hose f or installation through the wall. 2. Remo ve the plastic tubing retainer(see the illus- tration b y) and pull the tubing and drain hose aw a y from chassis. 3. Replace only the plastic tubing holder 1, not the holder 2 in the original position.
Ser vice Manual 21 Wrap the insulation material around the connecting portion. • Ov erlap the connection pipe insulation mater ial and the indoor unit pipe insulation material. Bind them together with vinyl tape so that there is no gap . Route the indoor tubing and the drain hose to the required piping hole position.
22 Room Air Conditioner Insert the connecting cable into the indoor unit. • Don't connect the cable to the indoor unit. • Make a small loop with the cab le for easy con- nection later . T ape the drain hose and the connecting cable . • Connecting cable Connecting the pipings to the indoor unit and the drain hose to drain pipe.
Ser vice Manual 23 Reroute the pipings and the drain hose across the bac k of the chassis. Reroute the pipings and the drain hose across the bac k of the chassis.
24 Room Air Conditioner Installation Inf or mation. F or left piping. F ollow the instruction below . Correct case • Press on the upper side of clamp and unf old the tubing to downw ard slowly . Incorrect case • F ollowing bending type from right to left ma y cause damage to the tubing.
Ser vice Manual 25 Put a couple drops of refrigerant oil on the face of the flare before assemb ling taking care not to add an y contaminants. Align the center of the pipings and suffi- ciently tighten the flare n ut by hand. • The drain hose can be connected at tw o diff erent positions.
26 Room Air Conditioner Connection Of The Cable 1 Indoor Unit Outdoor Unit 2 3 4 1 2 3 4 5 6 G To branch circuit Ground P ower supply a L1 * L2 Connecting cable(Lo w voltage) b T erminal (4P) T erminal (6P) Outdoor unit Wiring Diagram T er minal b lock Over 5mm (0.
Ser vice Manual 27 After the confir mation of the abov e conditions, prepare the wiring as follo ws: 1) Never fail to ha ve an individual po wer cir cuit specifically for the air conditioner . As for the method of wiring, be guided by the cir cuit diagram posted on the inside of control co ver .
28 Room Air Conditioner Chec king The Drainage • P our a glass of water on the drain pan. • Ensure the water flo ws through the drain hose of the indoor unit without an y leakage and goes out the drain e xit. Drain piping • The drain hose should point do wnward f or easy drain flow .
Ser vice Manual 29 Forming The Piping Form the piping by wrapping the connect- ing portion of the indoor unit with insula- tion material and secure it with two kinds of vinyl tapes. • If you w ant to connect an additional drain hose , the end of the drain outlet should be routed abov e the ground.
30 Room Air Conditioner Air Purging Air purging With V acuum Pump Lo Hi Indoor unit Outdoor unit Manifold valve Charge hose Nitrogen gas cylinder(in vertical standing position) Pressure gauge Air and moisture remaining in the refrigerant system hav e undesirable eff ects as indicated below .
Ser vice Manual 31 Ev acuation • Connect the charge hose end described in the preceding steps to the v acuum pump to e vacuate the tubing and indoor unit. Confir m the "Lo" knob of the manif old v alv e is open. Then, run the vacuum pump .
32 Room Air Conditioner Charging ■ Each outdoor unit is f actor y charged (nameplate charge) f or the e v aporator as well as a 7.5m(25ft) line set. Any time a line set is used either shor ter or longer then the nominal 7.5m(25ft) line set length the refrigerant charge has to be adjusted.
Ser vice Manual 33 Outside ambient TEMP. The pressure of the gas side service valve 95°F(35°C) 8.5~9.5kg/cm 2 G(120~135 P.S.I.G.) Settlement of outdoor unit ■ Anchor the outdoor unit with a bolt and nut(ø10mm(0.39in) tightly and horizontally on a concrete or rigid mount.
Operation Function of Contr ols Operation • DISPLA Y 1) C/O Model Operation Indicator • ON while in appliance operation, OFF while in appliance pause . • Flashing while in disconnection or shor t in Ther mistor . (3 sec off / 0.5 sec on) Timer Indicator • ON while in timer mode (on/off), OFF when timer mode is completed or canceled.
Ser vice Manual 35 Operation • While in compressor off , the indoor f an repeats low airflow speed and pause. • While the intak e air temp is between compressor on temp . and compressor off temp., 10-min dehu- midification operation and 4-min compressor off repeat.
36 Room Air Conditioner ■ Airflow Speed Selection • The airflo w speed of the indoor f an is set to high, medium, low , or chaos (auto) by the input of the airflow speed selection k e y on the remote control.
Ser vice Manual 37 Operation ■ Forced operation • Operation procedures when the remote control can't be used. • The operation will be star ted if the pow er button is pressed.
38 Room Air Conditioner Self-diagnosis Function Displa y Function 1. Heating Model 2. Cooling Model • Cooling, Soft Dry, Fan, Heating • Cooling, Soft Dry, Fan • Hot-start, Deice Operation Indica.
Ser vice Manual 39 Operation Remote Contr ol Operations The controls will look like the f ollowing. 1. ST ART/ST OP BUTT ON Operation star ts when this button is pressed and stops when the button is pressed again. 2. OPERA TION MODE SELECTION BUTT ON Used to select the operation mode .
40 Room Air Conditioner Disassembl y Indoor Unit Disconnect the unit from power supply before mak- ing any checks. Be sure the power switch is set to “ OFF ” . To remove the Grille from the Chassis. • Set the up-and-down air discharge louver to open position (horizontally) by finger pressure.
Ser vice Manual 41 Disassembly 2. T o remove the Contr ol Bo x. • Remove securing screws. • Pull the control box out from the chassis carefully. 3. T o remove the Disc harge Grille. • Unhook the discharge grille and pull the discharge grille out from the chassis carefully.
42 Room Air Conditioner • Unhook the tab on the right inside of the chassis at the same time, slightly pull the evaporator toward you until the tab is clear of the slot. 5. T o remove the Motor Co ver • Remove 2 securing screw. • Pull the motor cover out from the chassis carefully.
Ser vice Manual 43 T roubleshooting Guide T r oub leshooting Guide INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGE (EVAPORATOR) HEAT EXCHANGE (EVAPORATOR) HEAT EXCHANGE (CONDENSER) HEA.
44 Room Air Conditioner T roubleshooting Guide 2-wa y , 3-way V alve 2-way Valve (Liquid Side) 3-way Valve (Gas Side) Shaft position Shaft position Service port Closed Closed Closed (with valve cap) (.
Ser vice Manual 45 T roubleshooting Guide • Procedure (1) Confirm that both the 2-way and 3-way valves are set to the open position. – Remove the v alve stem caps and confirm that the v alve stems are in the r aised posi- tion. – Be sure to use a he xagonal wrench to operate the v alv e stems.
46 Room Air Conditioner T roubleshooting Guide Balance Refrigerant of the 3-way V alve (Gas leakage) • Procedure (1) Confirm that both the 2-way and 3-way valves are set to the bac k seat. (2) Connect the charge set to the 3-way valve ’ s por t. – Leav e the valv e on the charge set closed.
Ser vice Manual 47 T roubleshooting Guide Ev acuation (All amount of refrigerant leaked) • Procedure (1) Connect the vacuum pump to the center hose of char ge set center hose (2) Evacuation for appr oximatel y one hour . – Confir m that the gauge needle has mov ed tow ard -76 cmHg (v acuum of 4 mmHg or less).
48 Room Air Conditioner T roubleshooting Guide Gas Charging (After Evacuation) • Procedure (1) Connect the charge hose to the charging cylinder . – Connect the charge hose which you dis- connected from the v acuum pump to the v alve at the bottom of the cylinder .
Ser vice Manual 49 T roubleshooting Guide Additional gas c harging (Gas leakage) • When refrigerant is insufficient b y leakage, recharge the unit with the refrigerant up to normal oper- ating suction pressure. • Use the gr aph or the equation below to get oper ating suction pressure according to indoor and out- door temperature .
50 Room Air Conditioner T roubleshooting Guide T rouble anal ysis 1. Check temperature diff erence between intake and discharge air and operating current. Temp. Difference Temp. difference : approx. 0°F(0°C) Current : less than 80% of rated current Temp.
Ser vice Manual 51 T roubleshooting Guide Electr onic P ar ts (9k model) Pr oduct does not operate at all. (* Refer to Electr onic Contr ol Device dra wing and Schematic diagram.) Turn off Main Power Turn on Main Power Does "beeping" sound is made from the Indoor Unit? Primarily, the operating condition of Micom is OK.
52 Room Air Conditioner T roubleshooting Guide Electr onic P ar ts (18k model) Pr oduct does not operate at all. (* Refer to Electr onic Contr ol Device dra wing and Schematic diagram.) Turn off Main Power Turn on Main Power Does "beeping" sound is made from the Indoor Unit? Primarily, the operating condition of Micom is OK.
Ser vice Manual 53 T roubleshooting Guide The pr oduct is not operate with the remote controller . Turn on Main Power While the compressor has been stopped, the compressor does not operate owing to the delaying function for 3 minutes after stopped.
54 Room Air Conditioner T roubleshooting Guide Compressor/Outdoor F an are unable to drive.(9k Model) Turn on Main Power Operate "Cooling Mode( )" by setting the desired temperature of the remote controller is less than one of the indoor temperature by 2 ° F at least.
Ser vice Manual 55 T roubleshooting Guide Compressor/Outdoor F an are unable to drive.(18k Model) Turn on Main Power Operate "Cooling Mode( )" by setting the desired temperature of the remote controller is less than one of the indoor temperature by 2 ° F at least.
56 Room Air Conditioner T roubleshooting Guide When indoor F an does not operate . Check connecting condition of the CN-MOTOR CON- NECTOR Does the voltage of terminal of CN-DC/DC CONNECTOR in Indoor u.
Ser vice Manual 57 T roubleshooting Guide When V er tical Louver does not operate . • Confirm that the Vertical Louver is normally geared with the shaft of Stepping Motor.
58 Room Air Conditioner T roubleshooting Guide • The operation indicator of Indoor unit blinks five times. • The red indicator of Outdoor unit blinks five times. Check the connecting wires between Indoor and Outdoor unit for the connecting error and the contacting condition.
Ser vice Manual 59 T roubleshooting Guide The phenomena in case of connecting err or INDOOR UNIT Connector Type Condition Open and connecting error Open Open Open Open Short between terminals ( and ) of ROOM-TH. Short between terminals ( and ) of PIPE-TH.
60 Room Air Conditioner OUTDOOR UNIT Connector Type Condition OPEN • PWB pattern is damaged when applying the power. Connecting reversely Connecting reversely OPEN OPEN OPEN OPEN Connecting error ( ) Connecting error ( ) Connecting error ( ) Connecting error ( ) Connecting error ( ) Connecting error ( ) • All functions stop.
Ser vice Manual 61 Schematic Diagram Schematic Dia gram Electric Contr ol Device ■ Indoor.
62 Room Air Conditioner Schematic Diagram ■ Outdoor (9k, 12k).
Ser vice Manual 63 ■ Outdoor (18k, 24k) Schematic Diagram.
64 Room Air Conditioner Schematic Diagram Wiring Diagram ■ Indoor Unit Models: 9k, 12k, 18k, 24k.
Ser vice Manual 65 ■ Outdoor Unit Models: 9k(C/O) Models: 12k(H/P), 12k(C/O , H/P) Schematic Diagram.
66 Room Air Conditioner Models: 18k(C/O) Models: 18k(H/P), 24k(C/O , H/P) Schematic Diagram.
Ser vice Manual 67 Schematic Diagram Components Location ■ Indoor MAIN P .W .B ASSEMBL Y • T OP VIEW • BO TT OM VIEW.
68 Room Air Conditioner ■ Outdoor(9k, 12k) • T OP VIEW • BO TT OM VIEW Schematic Diagram.
Ser vice Manual 69 Schematic Diagram ■ Outdoor(18k, 24k) • T OP VIEW • BO TT OM VIEW.
70 Room Air Conditioner DISPLA Y ASSEMBL Y – 6870A90240D – 6870A90240E Schematic Diagram.
Ser vice Manual 71 Product Specifications Pr oduct Specifications Power Supply Ø, V, Hz Cooling Capacity BTU/h Input W Running Current A COMP. Locked Rotor AMP.
72 Room Air Conditioner Product Specifications Cooling & Heating Items Unit DMH09SB-0 DMH12SB-0 DMH18SB-1 DMH24SB-1 Power Supply ø, V, Hz Cooling Capacity BTU/h Heating Capacity BTU/h Input Cooling W Heating W Running Current Cooling A Heating A COMP.
Specifications and performance data subject to change without notice. HEA T CONTROLLER, INC. 1900 WELL WOR TH A VENUE • JA CKSON, MICHIGAN 49203 THE QU ALITY LEADER IN CONDITIONING AIR P/No.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Heat Controller DMH18SB-1 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Heat Controller DMH18SB-1 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Heat Controller DMH18SB-1 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Heat Controller DMH18SB-1 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Heat Controller DMH18SB-1, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Heat Controller DMH18SB-1.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Heat Controller DMH18SB-1. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Heat Controller DMH18SB-1 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
