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"
INC.
HEAT CONTROLLER,
'k Ae'
KNIGHT.
ENERGY ,(Piý4
Wall Mounted
Mini-Split System
Pump
Air Conditioning/Heat
.Siervice iýanua/
0
Model: MSS-009B/A
MSS-012B/A, MSH-01 2B/A
MSS-018B/A, MSH-0186/A
MSS-024B/A, MSH-024B/A
CAUTION
Before servicing the unit, read the
manual.
"safety precautions" in this
Only for
authorized service personnel.
0
HCI-MSSM-98
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. i Contents 0 3 ..................................................................................................................................... Functions .5 .............................................................................................................. Specifications Product . ................................................................................................................................. 7 Dimensions 9 ................................................
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Functions I Indoor Unit OWOFF by Remote controller Operation Sensing the Room Temperature Room sensor (THERMISTOR) " temperature control Room temperature " Maintains the room temperature In accordance with the Setting Temp. Starting Current Control I " indoor fan is delayed for 5 seconds at the starting. Time Delay Safety Control " Restarting is inhibited for approx. 3 minutes. Indoor Fan Speed Control " High, Med, Low and Auto Operation Indication Lamps (LED) ýi --- Lights up in operation
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Remote Controller Operation OWOFF Mode Operation Selection A Mode. (*) Auto Operation Mode. (ý ) * *OO Cooling Operation Salt Dry Heating Operation Mode. (#F ) O --J Operation Mode. (0) L Fan Speed Selection ® °® (Low) (Med) (High) (AUTO WIND) 411M Room Temperature Display 1k: º (High: 9 8O F LOW : 54°F) Temperature Setting to 64°F to 60°F {Down Heating---Down Cooling e Up to 86°F Up to 86°F Setting the Time or Timer Timer Selectlon -º OFF, ON, OFF ON Timer Setting V Timer Cancel
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Only) Specifications(Cooling Product " MSS-024RfA MSS-009BIA MSS01213rA MSS-W8WA Kerns Unit 1,115,60 1 OUMW 1 ,260 z , , e, , -- 17 Z , -W-- P ower S u pply 12,000 18, 0001 17,6W WOW 600 ply 9,000 Cool ing 2 ,500 940 1,290 1, 1,870 nput 8.5 11.7 8 .0 . R unning C urrent 9.6 9.%.5 9.5/9.5 909.0 BkVhW E.E.R mn 80 1 15 ( 530 ) m Air Ci rcu lation ry 882 25(882) 46(1,610) door(Dry) m in(cfm) oisture Thermislor mustor Thermistor T emperature Control Lures AUTO Wind Yes yes yes 4-way 4-wayt 4-way
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Heating) & Product Specifications(Cooling 1-1 MSH-018B/A MSH- 02 4B/A Unit MSH-012 A Items 1,230/208,60 1,230/208,60 o, V, Hz 1,115, 60 Power Suppl y 23,000122,600 Btulh 12,000 18,000/17,800 Coding Capacity 23,000122,600 Btu/h 12,000 19,000/18,700 Heating Capa c i ty 1,290 1,900/1,870 2,550/2,500 Coding W Input 1,290 1,900/1,870 2,550/2,500 Heatin W g 8.5/9.0 11.5/12.0 A 11.7 Running Current Collin 11.7 8.519.0 11.5112.0 Heatin A 49.5 68 A 27 COMP. Locked Colin 49.5 68 A 27 Rotor AMP. Heati n
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0 Dimensions (1) Indoor Unit Installation plate [-jzý_, I hole cover Tubing hole cover " MODEL 9k, 12k 18k, 24k DIM mm(inch) 900(35.4") 1,080(42.5") w 290(11.4') H mm(inch) 290(11.4") D mm(inch) 183(7.2') 183(7.2") -7- "
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Unit (2) Outdoor valve Gas side 3-way valve (9k, 12k) Gas side 3-way valve 3-wav valve " (18k, 24k) MODEL 9k, 12k 18k, 24k DIM w mm(inch) 870(34.3) 801(31.5) H mm(inch) 655(25.8) 555(21.8) D mm(inch) 262(10.3) 320(12.6) L1 mm(inch) 339(13.3) 370(14.6) L2 mm(inch) 37(1.5) 25(1.0) L3 mm(inch) 543.6(21.4) 630(24.8) L4 mm(inch) 11.4(0.45) 25(1.0) L5 mm(inch) 591(23.3) 546(21.5) L6 mm(inch) 105(4.13) 162(6.4) L7 mm(inch) 105(4.13) 162(6.4) L8 mm(inch) 72.5(2.85) 54(2.1) L9 mm(inch) 77(3.03) 74.5(2
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Refrigeration Cycle Diagram " " Cooling Only Models INDOOR UNIT OUTDOOR UNIT t_CAPILIARYTUBE LIQUID SIDE t HEAT EXCHANGER HEAT (EVAPORATOR) EXCHANGER (CONDENSER) COMPRESSOR GAS SIDE i Pipe size(Diameter:o) Piping length Elevation MODEL Gas Liquid Rated Max Rated Max 9k, 12k 112" 1/4' 7.62m(25ft) 15m(5oft) 5m(16ft) 8m(26ft) (Cooling Only) 18k, 24k 7.62m(25ft) 15M(Soft) 5m(16ft) 8m(26ftj (Cooling Only) For installation over rated, "a proper an' of refrigerant should be added for each 5 foo
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" " Cooling & Heating Models INDOOR UNIT OUTDOOR UNIT CAPILLARYTUBE f- CHECKVALVE HEAT HEAT EXCHANGER EXCHANGER (EVAPORATOR) I / \ (CONDENSER) SIDE GAS i f REVERSING VALVE 1 ----º COMPRESSOR .- COOLING -- HEATING .4 " Pipe size(Diametero) Piping length Elevation MODEL Gas Liquid Rated Max Rated Max 9k, 12k 1/2" 1/4" 7.62m(25ft) 15m(50ft) 5m(16ft) 8m(26tt) (Camay a Heating) 18k, 24k g/8 5/8" 7.62m(25ft) 15m(50ft) Sm(16ft) 8m(26ft) (CodkV a Heating) For installation over rated, 'a proper ant"
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Diagram . Wiring (1) Indoor Unit MSS-024, MSF4424 MSS-018, MS"18, 1. MSS-012, STEP BLOC 1 / GN-UP/DOWN CN"MOTOR IROOM) ý I- THERMISTOR MAIN P.C.B z (PIPE) v a >ý m j 3 - - > U ý a i fl m O PILLAR - - > TERMINAL Q O a N 0 X g DIAGRAM 3854AR7074A WIRING INDOOR " 2. MSS-009, MSS-012 BLDC CN-UPIDOINN O N-MOTOR x r t U MAIN P.C.B r_ m z BL 4 ---_ C) a N 2 3 f RDD a y 3 rn PILLAR p O TERMINAL A' 3854AR7209A INDOOR WIRING DIAGRAM -11- 0
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(2) Outdoor Unit " Cooling Only Models 1.9k, 12k \V v w lO.a OUTDOOR WIRING DIAGRAM ýlaaczx ý"'ý 2. 18k L J 3.24k EuEr les msnl 4nl ý 11y A " 1 row+. GfOKOt Eq O BL Bq EA Eq SK BL 3 i 1 ý ý K q 5 L I. ýý 2 1 2 1 5611 Ely Bq a CONK m V V V 19 gCDd1ENf lOWG 1W NIIR OUTDOOR WIRING DIAGRAM x5unroýro -12- 0
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" " Cooling Heating Models & 1.12k 2.18k " 3.24k -13- U
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Details Operation 0 of main control (1) The function delay Safety Control 1. Time minutes to balance the pressure of cycle. operation is delayed for 3 " 3min.; The compressor (Protection of compressor) initially, to prevent noises occurred by the vertical seconds, when operating indoor fan Is delayed for 5 " 5sec.; The wind. louver and abnormal noise when prevent the refrigerant-gas for valve is delayed for 2 minutes to " 2min.; The reversing while compressor is off. or switched to
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i 4. Auto Operation (Electronic control mode) (Goofing Heating Model) -The operation procedure is shown below. & Press Button I Start/Stop I Auto Mode Select Operation I I Check the Room temperature I I mode Operation Indoor fan speed are decided automatically by the unit electronic control. temperatureýJ Setting Intake-air I Over _ below 70°F I below Over 76°F temperature 70°F 76°F Operation Mode I Heating Soft Dry Cooling I I * If initial mode is decided, that mode is continued wi
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Auto Operation for Soft Dry(only Heating Model) " The Setting temperature will be same that of the auto operation for cooling. - Compressor ON temperature; Setting temperature +2°F - Compressor OFF temperature; Setting temperture -1 °F Intake-air temp. below WF Over 68°F-below 70°F over 86°F Setting terrp. 68°F Intake air temperature +1°F 86°F Auto for Operation Heating(only Heating Model) - Compressor ON temperature; Setting temperature - Compressor OFF temperature; Setting temperature
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0 5. Soft Dry Operation Mode " During Dry Operation, the compressor ON temperature is the setting temperature plus 2°F, the compres- Soft °F. sor OFF temperature is the setting temperature minus 1 over the compressor ON temperature, the operation mode is switched to " When the room temperature rises the operation. Cooling compressor " When the room temperature falls between the ON temperature and OFF temperature, the opera- tion mode is switched to the Soft Dry Operation. diagram Is below.
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Mode(only 6. Heating Operation Heating Model) " The unit will operate according to the setting by remote conditions the controller. The operation diagram is shown below. INTAKE AIR TEMP. SETTING TEMP. +60F (Compressor OFF) A g A SETTING TEMP. (Compressor ON) nwwrºm r rwmm rrvenn 10 loses 1 min. tOSec Selecting Selecting INDOOR FAN SPEED Low OFF Low Low OFF tan speed fan speed I I COMPRESSOR ON OFF ON OFF " A point; While the indoor pipe temperature is higher than 95°F, indoor fan operates at
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rý u Control Defrost of outdoor pipe. and sensing temperature Defrost operation is controlled by timer " from temperature falls below 21°F after 60 minutes passed only when the outdoor pipe " first defrost starts The operation of compressor. than 10 minutes starting of heating operation and more with- of defrost operation or when the outdoor fan operates minutes passed from starting " Defrost ends after 12 even if before 12 minutes. temperature rises over WF in 4 minutes after th
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" Auto Control Heating Mode with Sleep Mode 7. Cooling or with Sleep Mode Auto Control(*), Heating() combined the When selecting the Cooling( * ) or the " operation diagram is as following. the the Sleep Mode Cooling Mode with later. minutes later and by 4°F 1 hour automatically raised by 2°F 30 " The setting temperature will be hours. will be stopped after 1, 2, 3, 4, 5, 6, 7 " The operation 30 30 minutes minutes INTAKE AIR TEMP. 2°F ° 2 F +1°F SETTING TEMP. (Compressor ON) SETTI
