McQuay MRT Spécifications

MRT-A_(i)Rooftop PackagedAir ConditionersCatalogModels: MRT 055 A/ARMRT 060 A/ARMRT 080 A/ARMRT 100 A/ARMRT 120 A/ARMRT 150 A/ARMRT 200 A/ARMRT 250 A/

8M(4)RT120A

99Safety Devices (R22) OPEN kPa/psiCLOSE kPa/psiOPEN kPa/psiCLOSE kPa/psiYES YESDISCHARGE THERMOSTAT SETTING °C / °F 125 / 257 125 / 257OPEN kPa/psiCL

100Safety Devices (R22) OPEN kPa/psi CLOSE kPa/psi OPEN kPa/psi CLOSE kPa/psi DISCHARGE THERMOSTAT SETTING °C / °F OPEN kPa/psi CLOSE kPa/psi O

101Safety Devices (R407C) OPEN kPa/psi CLOSE kPa/psi OPEN kPa/psi CLOSE kPa/psi DISCHARGE THERMOSTAT SETTING °C / °F OPEN kPa/psi CLOSE kPa/psi

102Safety Devices (R407C) OPEN kPa/psi CLOSE kPa/psi OPEN kPa/psi CLOSE kPa/psi DISCHARGE THERMOSTAT SETTING °C / °F OPEN kPa/psi CLOSE kPa/psi

103Safety Devices (R407C) OPEN kPa/psi CLOSE kPa/psi OPEN kPa/psi CLOSE kPa/psi DISCHARGE THERMOSTAT SETTING °C / °F OPEN kPa/psi CLOSE kPa/psi

104Safety Devices (R407C) OPEN kPa/psi CLOSE kPa/psi OPEN kPa/psi CLOSE kPa/psi DISCHARGE THERMOSTAT SETTING °C / °F OPEN kPa/psi CLOSE kPa/psi

105Performance Data1st Step Interpolation of Indoor DBFind TC, SC, PI for (a) Indoor: 25°C DB, 16°C WB Outdoor: 35°C DB(b) Indoor: 25°C DB, 19°C W

106Details:1st Step:Indoor WB˚CIndoor DB˚COutdoor DB, ˚C 35TC (kW)1625...x1y124 53.3654.4447.3654.2220.2420.3327Total capacity, TC

107Indoor WB˚CIndoor DB˚COutdoor DB, ˚C 40TC (kW)1625...x2y224 48.0249.3743.3849.3721.8922.0227Total capacity, TCInterpolation Met

1082nd Step:Indoor WB˚CIndoor DB˚COutdoor DB,˚C 35TC (kW)...53.7217 25x5y5191658.4249.6539.60z520.2720.69Total capacity,

9M(4)RT150/200A

109Indoor WB˚CIndoor DB˚COutdoor DB,˚C 40TC (kW)...48.4717 25x6y6191652.6145.3836.24z6 21.9322.35Total capacity, TCSensib

1103rd Step:To obtain the Total capacity and Sensible capacity for (a) Indoor Condition: 25°C DB, 17°C WB Outdoor Condition: 37°C DB Indoor WB˚CIndoor

111Performance TableR22 Model(COOLING ONLY)Model: MRT055AModel: MRT060ARemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C)

112Model: MRT080AModel: MRT100ARemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) EDB: Entering Dry Bulb Temp. (˚C) N

113Model: MRT120AModel: MRT150ARemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) EDB: Entering Dry Bulb Temp. (˚C) N

114Model: MRT200AModel: MRT250ARemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) EDB: Entering Dry Bulb Temp. (˚C) N

115Model: MRT300AModel: MRT360ARemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) EDB: Entering Dry Bulb Temp. (˚C) N

116Model: MRT420ARemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) EDB: Entering Dry Bulb Temp. (˚C) Notes:

117R22 Model(HEAT PUMP)Cooling ModeModel: MRT055ARModel: MRT060ARRemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) EDB: E

118Model: MRT080ARModel: MRT100ARRemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) EDB: Entering Dry Bulb Temp. (˚C)

10M(4)RT250/300A

119Model: MRT120ARModel: MRT150ARRemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) EDB: Entering Dry Bulb Temp. (˚C)

120Model: MRT200ARModel: MRT250ARRemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) EDB: Entering Dry Bulb Temp. (˚C)

121Model: MRT300ARModel: MRT360ARRemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) EDB: Entering Dry Bulb Temp. (˚C)

122Model: MRT420ARRemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) EDB: Entering Dry Bulb Temp. (˚C) Notes:

123Model: MRT055ARModel: MRT060ARModel: MRT080ARModel: MRT100ARModel: MRT120ARR22 Model(HEAT PUMP)Heating ModeRemarks: TC = Total Cooling Capacity (

124Model: MRT150ARModel: MRT200ARModel: MRT250ARModel: MRT300ARModel: MRT360ARModel: MRT420ARRemarks: TC = Total Cooling Capacity (kW) PI = Power I

125R407C Model(COOLING ONLY)Model: M4RT060AModel: M4RT080ARemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) EDB: Entering

126Model: M4RT100AModel: M4RT120ARemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) EDB: Entering Dry Bulb Temp. (˚C)

127Model: M4RT150AModel: M4RT250ARemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) EDB: Entering Dry Bulb Temp. (˚C)

128Model: M4RT300AModel: M4RT360ARemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) EDB: Entering Dry Bulb Temp. (˚C)

11M(4)RT360/420ACOMP1

129Model: M4RT420ARemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) EDB: Entering Dry Bulb Temp. (˚C) Notes:

130R407C Model(HEAT PUMP)Cooling ModeModel: M4RT060ARModel: M4RT080ARRemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) ED

131Model: M4RT100ARModel: M4RT120ARRemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) EDB: Entering Dry Bulb Temp. (˚C)

132Model: M4RT150ARModel: M4RT200ARRemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) EDB: Entering Dry Bulb Temp. (˚C)

133Model: M4RT250ARModel: M4RT300ARRemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) EDB: Entering Dry Bulb Temp. (˚C)

134Model: M4RT360ARModel: M4RT420ARRemark: AFR: Air flow rate (CFM) EWB: Entering Wet Bulb Temp. (˚C) EDB: Entering Dry Bulb Temp. (˚C)

135Model: M4RT080ARModel: M4RT100ARModel: M4RT120ARModel: M4RT150ARModel: M4RT200ARR407C Model(HEAT PUMP)Heating ModeRemarks: TC = Total Cooling Cap

136Model: M4RT250ARModel: M4RT300ARModel: M4RT360ARModel: M4RT420ARRemarks: TC = Total Cooling Capacity (kW) PI = Power Input (kW) Ind. DBTC (KW)

137MRT055A/AR (unit : mm) Except : Drain size. (unit : inch)20.0D19Outlines And Dimensions

20 150 150 150 150 20668 24 125 125 2420822420866822420849101011005166826526510005111421100119225464625B2515(1342)25251

12MRT055ARCOOLING OPERATIONHEATINGOPERATIONHEATEXCHANGER(INDOOR)4-WAY VALVECHECK JOINTHIGH PRESSURESWITCHDISCHARGECHECK JOINTACCUMULATORCOMPRESSORCAPI

139M(4)RT150/200A/AR2001990 51511231744123Y23523520822546203219902546(2032)25152512004285142816912477X50483Control box72 200 200 200 200 200 200 7220

140M(4)RT360/420A/AR(unit : mm) Except : Drain size. (unit : inch)3148

141Optional Units (Down Flow) - Site Modication RequiredSupply air duct flangeReturn air duct flangeReturn airSupply airC16- �3 Holes19- �3 Holes1026

142M(4)RT250/300A/AR(unit : mm) Except : Drain size. (unit : inch)

143Electrical Data - Cooling Only (R22)POWER SOURCEV/Ph/HzRATED INPUT POWERW580 1200RATED RUNNING CURRENT A 1.62.1MOTOR OUTPUT W 750 1100POWER SOURCEV

144Electrical Data - Cooling Only (R22)POWER SOURCE V/Ph/HzRATED INPUT POWERW2200 3500RATED RUNNING CURRENT A 3.84.9MOTOR OUTPUT W2200 3700POWER SOURC

145Electrical Data - Cooling Only (R22) POWER SOURCE V/Ph/HzRATED INPUT POWERW 7500RATED RUNNING CURRENT A 13.3587011.365255107MOTOR OUTPUT WPOWER SOU

146Electrical Data - Heat pump (R22)POWER SOURCE V/Ph/HzRATED INPUT POWERW640 1200RATED RUNNING CURRENT A 1.57 2.1MOTOR OUTPUT W 750 1100POWER SOURCE

147Electrical Data - Heat pump (R22)POWER SOURCE V/Ph/HzRATED INPUT POWERW2200 3500RATED RUNNING CURRENT A 3.80 4.9MOTOR OUTPUT W2200 3700POWER SOURCE

148Electrical Data - Heat pump (R22) POWER SOURCE V/Ph/HzRATED INPUT POWERW 7500RATED RUNNING CURRENT A 13.3587011.365255107MOTOR OUTPUT WPOWER SOURCE

13M(4)RT060AR

149Electrical Data - Cooling Only (R407C)POWER SOURCE V/Ph/HzRATED INPUT POWERW580 1200RATED RUNNING CURRENT A 1.62.1MOTOR OUTPUT W 750 1100POWER SOUR

150Electrical Data - Cooling Only (R407C)POWER SOURCE V/Ph/HzRATED INPUT POWERW2200 3500RATED RUNNING CURRENT A 3.80 4.9MOTOR OUTPUT W2200 3700POWER S

151Electrical Data - Cooling Only (R407C) POWER SOURCE V/Ph/HzRATED INPUT POWER W 7500 RATED RUNNING CURRENT A 13.3 5870 6525 5107 11.3 MOTOR OUTPUT

152Electrical Data - Heat pump (R407C)N/ABPOWER SOURCE V/Ph/HzRATED INPUT POWERW640 810RATED RUNNING CURRENT A 1.57 1.8MOTOR OUTPUT W 750 1100POWER SO

153Electrical Data - Heat pump (R407C)POWER SOURCE V/Ph/HzRATED INPUT POWER W 1650 2700RATED RUNNING CURRENT A 3.50 5.2MOTOR OUTPUT W2200 3700POWER SO

154Electrical Data - Heat pump (R407C) POWER SOURCE V/Ph/Hz RATED INPUT POWER W 7500 RATED RUNNING CURRENT A 13.3 5870 11.3 6525 5107 MOTOR OUTPUT

155Wiring DiagramsCooling OnlyMRT055AARRANGEMENT

156M(4)RT060AARRANGEMENT

157M(4)RT080/100/120AARRANGEMENT

158M(4)RT150/200AARRANGEMENT

14MRT080/100AR

159M(4)RT250/300AARRANGEMENT

160M(4)RT360/420AARRANGEMENT

161Heat PumpMRT055ARARRANGEMENT

162M(4)RT060ARARRANGEMENT

163MRT080/100ARARRANGEMENT

164M4RT080/100ARARRANGEMENT

165M(4)RT120ARARRANGEMENT

166MRT150/200ARARRANGEMENT

167M4RT150/200ARARRANGEMENT

168M(4)RT250/300ARARRANGEMENT

15M4RT080/100AR

169M(4)RT360/420ARARRANGEMENT

170AdhesivePasteIsopropylalcoholFingermarksGreaseNeutralCleanser3. When the filter is washed in clear water, dry it under the shade.1. Removing the sa

171 1.5 When The Air Conditioner Is Not To Be Used For A Long Time If the air conditioner is not to be used for a long time due to seasonal ch

172 2.4 Consideration Of The Noise (1) Take sufcient measures against noise when installing the air conditioners at hospitals or c

173TroubleshootingNo Faultconditions Possiblecauses/corrective actions1 T h e a i r c o n d i t i o n e r u n i t w i l l n o t r e s u m e a f t e r

174By means of pressure readings:1 . O v e r c h a r g e d w i t h r e f r i g e r a n t . 2 . N o n - c o n d e n s a b l e g a s e s i n r e f r i

175The most common causes of air conditioner failure to “start” are :a) Voltage not within ±10% of rated voltage.b) Power supply interrupted.c) Improp

176ii ) Diagnosis of RefrigerantCircuit /ApplicationTheremight be some causes wherethe unit starts runningbut does notperform satisfactorily,i.e.insuf

177RestrictedInsufficient heatingAircirculationIndoor / outdoor coil dirty(clogged)Indoor airfilterdirtyClean thecoilClean thefilterFanmotor malfuncti

178Model : MRT055A/ARExploded View & Part ListMRT055AMRT055AR1 ASSY, BASE PANR50014087977 √√2 PLATE, BASE R01014091023 √√PANEL, PARTITIONR01014087

16M(4)RT120AR

179MRT055A MRT055AR25 PARTITION, OUTDOOR R01014087791 √√26 SUPPORT, COIL PLATE R01014087782 √√27 COMPRESSOR, ASSY ZR72KC-TFD-522 COPELAND R50049004675

18041344447464243 45 50493533483837363940Model : M(4)RT060A/ARITEM DESCRIPTIONPART NUMBERMRT060AMRT060AR M4RT060AM4RT060AR1ASSY, BASE PANR50014058472

181ITEMDESCRIPTIONPART NUMBERMRT060AMRT060ARM4RT060AM4RT060ARPULLEY, BLOWER B1*6*20mm R03044041058 √√ √√BELT, V B30 BANDO R03059011279 √√ √√PULLEY, NB

1824346443637383941611847343531656419202160232526 27 2817636267686669585456485051495253575529323330242240424559MODEL : M(4)RT080/100AITEMDESCRIPTIONPA

183ITEMDESCRIPTIONPART NUMBERMRT080A M4RT080A MRT100A M4RT100AASSY., PILLAR OUTDOOR 1 R50014038336√ -√-ASSY., PILLAR OUTDOOR 1 R50014049097- √-√16 ASS

184ITEMDESCRIPTIONPART NUMBER MRT080A M4RT080A MRT100AM4RT100ATER. BLOCK, T3011-5P-C1.4 60A W865569G05 R04119001486 √√√√CONT., PAK-26JT-F,2N0,2NC,AC24

1854346443637383941611847343531656419202160232526 27 2817636267686669585456485051495253575529323330242240424559MODEL : M(4)RT080/100ARITEMDESCRIPTIONP

186ITEMDESCRIPTIONPART NUMBERMRT080AR M4RT080ARMRT100ARM4RT100ARCOVER, COIL LEFTR01014038295----PLATE, BAFFIER01014044647√√√√ASSY., PILLAR OUTDOOR 1R5

187ITEMDESCRIPTIONPART NUMBER MRT080ARM4RT080AR MRT100ARM4RT100ARTER. BLOCK, T3011-5P-C1.4 60A W865569G05R04119001486√√√√CONT., PAK-26JT-F,2N0,2NC,AC2

1884042 4118353334366120463221656422 26 23 24 60 25 27 28 29 30 19 63 62 67 68 66586947565755485051 5249535439 38 37 44 45 15 43 31 59MODEL : M(4)RT12

17MRT150/200AR

189ITEMDESCRIPTIONPART NUMBERMRT120A M4RT120A MRT120ARM4RT120AR31 MOTOR, 1.5kW 50Hz R P714567X02 HITACHIR03039004558√√ √√32 FAN BASER01014038311√√ √√3

19076 7469 67915479529253515548 49 509357585659 6066656875 7770 726178856289 909480869581848783888263 6473 71MODEL : M(4)RT150/200AITEMDESCRIPTIONPart

191ITEM DESCRIPTIONPart NumberMRT150A M4RT150A MRT200A M4RT200A41 PULLEY, B2*5 28mmR03044026387√√--42 BELT, V B42 BANDOR03054034939√√--43 PULLEY, B2 x

19276 7469 67915479529253515548 49 509357585659 6066656875 7770 726178856289 909480869581848783888263 6473 71MODEL : M(4)RT150/200ARITEMDESCRIPTION Pa

193ITEMDESCRIPTIONPart NumberMRT150ARM4RT150ARMRT200ARM4RT200ARASSY., DUCT FLANGER50014041561√√√√ASSY., DUCT FLANGER50014040161-√-√33 ASSY., TOP PANEL

194ITEMDESCRIPTIONPart NumberMRT150ARM4RT150AR MRT200ARM4RT200ARTER. BLOCK, 100AMP T3015-5P-C1.1R04119001483√√√√TER. BLOCK, T3020A-1-4P-C1.0 20AR04114

19569713130296324251927212232 26 20 37 43 36355253692844584641 42675938566839547057554062656160666448 5045 47 49 51 33 23 34MODEL : M(4)RT250/300AITEM

196ITEMDESCRIPTIONPART NUMBERMRT250AM4RT250AMRT300AM4RT300A31 RAIL FITER 2 R01014050857√ √√√32 ASSY., FILTER COVER (INS) R50014050887√ √√√33 ASSY., PA

197ITEMDESCRIPTIONPART NUMBERMRT250AM4RT250AMRT300A M4RT300ATER. BLOCK, T3013-5P C1.2 150A R04114037659 √√√√TER. BLOCK, T3020A-1-6P-C1.0 20A R04114013

19869713130296324251927212232 26 20 37 43 36355253692844584641 42675938566839547057554062656160666448 5045 47 49 51 33 23 34MODEL : M(4)RT250/300ARITE

Nomenclature...1 - Product Line-

18M4RT150/200AR

199ITEMDESCRIPTIONPART NUMBERMRT250ARM4RT250ARMRT300ARM4RT300AR31 RAIL FITER 2R01014050857√√√√32 ASSY., FILTER COVER (INS)R50014050887√√√√33 ASSY., PA

200ITEMDESCRIPTIONPART NUMBER MRT250ARM4RT250AR MRT300ARM4RT300ARTER. BLOCK, T3013-5P C1.2 150AR04114037659√√√√TER. BLOCK, T3020A-1-6P-C1.0 20AR041140

201MODEL : M(4)RT360/420AITEMDESCRIPTIONPART NUMBERMRT360A M4RT360A MRT420AM4RT420A1 ASSY, LOWER SIDE PANEL (INS) (P100796) R50014100777√ √√√2 ASSY, U

202ITEM DESCRIPTIONPART NUMBERMRT360A M4RT360A MRT420A M4RT420AHEATER, CRANKCASE 75W 230V 7 R04149018446 √√--HEATER, CRANKCASE 130W 230V R04149024762

203MODEL : M(4)RT360/420ARITEMDESCRIPTIONPART NUMBERMRT360AR M4RT360AR MRT420AR M4RT420AR1 ASSY, LOWER SIDE PANEL (INS) (P100796) R50014100777 √√√√2 A

204ITEM DESCRIPTIONPART NUMBERMRT360ARM4RT360AR MRT420ARM4RT420ARHEATER, CRANKCASE 75W 230V 7 R04149018446 √√--HEATER, CRANKCASE 130W 230V R0414902476

205© 2010 McQuay International www.mcquayup.comProducts manufactured in an ISO certified facility.This document contains the most current product i

Revision History List Manual : Rooftop packaged Air Conditioners TM : MRT-A_(i) Revision Subject Amendment on Manual’s Page No. Date 01 1. Ch

19M(4)RT250/300AR

20M(4)RT360/420ARCOMP1

21SLM Wired Controller (Model: M(4)RT055/060/080/100/120A/AR)COOLDRYHEATMEDHIGHAUTOMODETEMPSENSORON/OFFSLEEPLOWTIMER82593641FANFA NON/OFFTEMPSLEEPTIME

22Sequential Controller (Model: M(4)RT150/200/250/300/360/420A/AR)Sequential Controller Functions1) Sequential Controller LCD Display A : Time display

23 7-days timer Press the ON TIMER key to activate auto-ON timer mode. Under this mode, press the respective MINUTE, HOUR and DAY key to sele

24Lower slotfor opening LCDcasingConnection behindtop caseLCD Remote(Bottom case)ConnectionwiresLCD Remote(Top case)2 x WoodenscrewConnection atmain b

25Safety PrecautionsPrecaution & InstallationBefore installing the air conditioner unit, please read the following safety precautions carefully.WA

26InstallationAll series of air conditioners are designed for outdoor installations and are to be placed on a slab or rooftop. However, if the air con

27M(4)RT060/080/100/120 A/ARCondenserinlet Electrical control circuit & compressor service Evaporator coil, air filter service3003007001000150

1M RT 100 AR - FX AASeries A: A seriesModel Type R: HeatpumpBlank: Cooling OnlyCapacity 10

282. Duct Construction.(1) Series MRT side ow units are equipped with horizontal supply and return air openings. Duct connection to the unit should b

29Hook (as directly alignedover the center of gravityas possible)The drain piping should have a drain trap.5. Refrigerant ChargeAn additional charge

30STEP 1 STEP 3STEP 2 STEP 4Removetop panelRemoveservice panelRemoveduct flangeRemoveduct flangeRemoveRemovelow coverRemovesupply air cover2.Additiona

317. Special Precautions When Dealing With Refrigerant R407C Unit(1) What Is New Refrigerant R407C? R407C is a zeotropic refrigerant mixture which ha

32 c) Ensure that the compressor is not exposed to open air for more than the recommended time specied by its manufacturer (typically less t

33Model Power cableBreaker capacityOver current protection switchEarth cableMRT055A/AR4 mm225A 25A4 mm2 overM(4)RT060A/AR8 mm240A 40A8 mm2 overM(4)RT0

34Connector For Remote Control WiresTerminal Block ForPower Supply WiresControl Module Of Unit MRT055A/ARControl Module Of Unit M(4)RT080/100AConnecto

35Control Module Of Unit M(4)RT150/200AControl Module Of Unit M(4)RT120AConnector For Remote Control WiresTerminal Block ForPower Supply WiresConnecto

36Control Module Of Unit M(4)RT060ARControl Module Of Unit M(4)RT250/300AConnector For Remote Control WiresTerminal Block ForPower Supply WiresConnect

37Control Module Of Unit M4RT080/100ARControl Module Of Unit MRT080/100ARConnector For Remote Control WiresTerminal Block ForPower Supply WiresConnect

2Product Line-upM(4)RT Cooling OnlySLM ControllerSeq. ControllerCapil lary TubeThermal Expansion Valve (TXV)Normal FinGold (NA549) FinScroll Compresso

38Control Module Of Unit MRT150/200ARControl Module Of Unit M(4)RT120ARConnector For Remote Control WiresTerminal Block ForPower Supply WiresConnector

39Control Module Of Unit M(4)RT250/300ARControl Module Of Unit M4RT150/200ARConnector For Remote Control WiresTerminal Block ForPower Supply WiresConn

40Control Module Of Unit M(4)RT360/420A/ARTerminal Block forpower supply wires51F152F51C2TB2 & 352C252C151C1X1 X2PCB52F252F3TB147F1connector forre

419. The Putting Condition Of The Belt 1. Set the parallel angle of the fan and the motor pulley as shown in table 1 and gure 1. 2. Set the tensi

4211. Before Operating The Unit 1. Check points for operation Check the following points before you operate your air conditioner.

43Sound DataOverall Noise125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz (dBA) CriteriaMRT055A/AR 73 72 65 62 58 52 44 68 66M(4)RT060A/AR 67 61 59 60 55 49 42 6

44M(4)RT080A/AR NC CURVES01020304050607080125 250 500 1000 2000 4000 8000Octave-band frequency (Hz)NC-20NC-30NC-25NC-35NC-40NC-45NC-50NC-55NC-60NC-65M

45M(4)RT100A/AR NC CURVES01020304050607080125 250 500 1000 2000 4000 8000Octave-band frequency (Hz)Sound pressure level (dB, ref 20µPa)NC-20NC-30NC-25

46M(4)RT150A/AR NC CURVES0102030405060708090125 250 500 1000 2000 4000 8000Octave-band frequency (Hz)Sound pressure level (dB, ref 20µPa)NC-20NC-30NC-

47M(4)RT 250A/AR NC CURVES0102030405060708090125 250 500 1000 2000 4000 8000Octave-band frequency (Hz)Sound pressure level (dB, ref 20µPa)NC-20NC-30NC

3M(4)RT Heat PumpSLM ControllerSeq. ControllerCapillary TubeThermal Expansion Valve (TXV)Normal FinGold (NA549) FinReciprocating CompressorScroll Comp

48M(4)RT 360A/AR NC CURVESNC CurvesOctave-band frequency (Hz)M(4)RT 420A/AR NC CURVESNC Curves1020304050607080125 250500 1000 2000 4000 8000NC70NC45NC

49The following are the design requirements for MRT100A unit:Model: MRT100ASupply Air Quantity=3800 CFMExternal Static Pressure = 150 PaStep 1:From th

DIMENSIONALDATA Below tables summarizes the pulley data, motor size used for the RT series, as manufactured. ModelBlowerPulley,Db MotorPul

52Blower CurveMRT055A/ARAir Flow

53M(4)RT060A/ARTotal Static Pressure

M(4)RT080A/AR0501001502002503003502800 2900 3000 3100 3200 3300 CFMAir Flow )aP( erusserP citatS latoT120011001000InternalStaticPressureStandard P

M(4)RT100A/AR0501001502002503003504003100 3200 3300 3400 3500 3600 3700 3800 3900 4000 4100 CFMAir Flow )aP( erusserP citatS latoT1400130012001100Int

M(4)RT120A/AR0501001502002503003504003100 3200 3300 3400 3500 3600 3700 3800 3900 4000 4100 CFMAir Flow )aP( erusserP citatS latoT1400130012001100Int

M(4)RT150A/AR0501001502002503003504004505004600 4800 5000 5200 5400 5600

M(4)RT200A/AR1502002503003504004505005506006505600 5800 6000 6200 6400 660

4High EfciencyThe McQuay rooftop unit is supplied with high efciency and reliable scroll compressor (except MRT 080/100/150/200 AR).Pa

59Air FlowM(4)RT250A/AR

60M(4)RT300A/ARAir Flow

6101002003004005006007008009009000 9500 10000 10500 11000 11500 12000 12500Air Flow (CFM)Total Static Pressure (Pa)600700800Standard PointFan Speed (r

62Air Flow (CFM)100200300400500600700800900100010500 11000 11500 12000 12500 13000 13500 14000 14500 15000Total Static Pressure (Pa)600700800Standard

63General Data - Cooling Only (R22)General Data - Cooling Only (R22)Btu/hWWAV/Ph/HzW/WAIR DISCHARGEOPERATIONAIR FLOW l/s / cfmEXTERNAL STATIC PRESSURE

64General Data - Cooling Only (R22)General Data - Cooling Only (R22)Btu/h 100000 116000W 29300 34000W 10500 11560 A 18.2 22.1 V/Ph/HzR22 / CAPILLARY

65General Data - Cooling Only (R22) General Data - Cooling Only (R22)Btu/h 250000 300000W 73270 87930W 27560 35960 A 49.6 62.7 V/Ph/HzW/W 2.562.39AI

66General Data - Heat pump (R22)General Data - Heat pump (R22)Btu/hWBtu/hWWWAAV/Ph/HzW/WW/WAIR DISCHARGEOPERATIONAIR FLOWl/s / cfmEXTERNAL STATIC PRES

67General Data - Heat pump (R22)General Data - Heat pump (R22)Btu/h 100000 105000W 2930030770Btu/h105000 118000W 3080032580W 11860 11600 W 10050 107

68General Data - Heat pump (R22) General Data - Heat pump (R22)Btu/h 235000 290000W 68880 84990Btu/h 252000 295000W 73860 86460W 27660 37160 W 26360

5Application InformationOperating RangeThe use of your air conditioneroutside the range of workingtemperature and humidity canresult in serious failur

69General Data - Cooling Only (R407C)General Data - Cooling Only (R407C)Btu/h 59000 72000W 17290 21100W 5890 8700 A 10.9 16.3 V/Ph/HzR407C / TXV R40

70General Data - Cooling Only (R407C)General Data - Cooling Only (R407C)Btu/h 140000 190000W 41030 55680W 17200 25100 A 32.1 43.8 V/Ph/HzW/W 2.34 2.

71General Data - Cooling Only (R407C)Btu/h 331000 415000W 97010 121620W 41870 48800 A 74.2 83.7 V/Ph/HzW/W 2.32 2.49AIR DISCHARGEOPERATIONAIR FLOW l

72General Data - Heat pump (R407C)General Data - Heat pump (R407C)Btu/h 56000 72000W 16710 21100Btu/h 69000 77000W 20220 22570W 6650 8410 W 6580 754

73General Data - Heat pump (R407C)General Data - Heat pump (R407C)Btu/h 149000 190000W 43670 55680Btu/h 160000 230000W 46890 67410W 16570 21160 W 157

74General Data - Heat pump (R407C) Btu/h 345000 374000W 101110 109610Btu/h 349000 431000W 102290 126310W 43170 48200 W 41670 46800 A 74.2 82.9 A 72

75Components Data (R22)mm/inmm/inmm/incm3/fl.oz.mm/inmm/inmm/inm2/ft2mm/inmm/inmm/inm2/ft2pcLENGTH mm/inWIDTH mm/inTHICKNESS mm/inTHICKNESSROWFIN PER

76Components Data (R22)PLASTIC GALVANISED STEELmm/inmm/in 254 / 10 254 / 10 & 203.2 / 8.0mm/in 609.6 / 24.0 660.4 / 26.0IP54 IP44cm3/fl.oz.1770 /

77Components Data (R22)mm/inmm/inmm/in 660.4 / 26.0 762 / 30IP44 N/Acm3/fl.oz.SEAMLESS COPPER S.I.G.C.mm/inmm/inmm/inm2/ft20.65 / 6.960.65 / 6.9915 14

78Components Data (R22)mm/inmm/inmm/incm3/fl.oz.2510 / 88.3 3250 / 114.4mm/inmm/inmm/inm2/ft234mm/inmm/inmm/inm2/ft223pcLENGTH mm/inWIDTH mm/inTHICKNE

6M(4)RT055/060ARefrigerant Circuit Diagrams

79Components Data (R22)mm/inmm/in 480 / 18.9 481 / 18.9mm/incm3/fl.oz.3250 / 114.4 4140 / 145.7mm/inmm/inmm/inm2/ft2SEAMLESS COPPER S.I.G.C.mm/inmm/in

80Components Data (R22) mm/in mm/in mm/in 320 SZ cm 3 /fl.oz. 8000 / 281.6 S.I.G.C. 160P & 320SZ 6600 / 232.3 & 8000 / 281.6 S.I.G.C. mm/in mm

81Components Data (R22)1) ALL SPECIFICATIONS ARE SUBJECTED TO CHANGE BY THE MANUFACTURER WITHOUT PRIOR NOTICE.2) S.I.G.C. - SEAMLESS INNER GROOVED COP

82Components Data (R22)PLASTIC GALVANISED STEELmm/in 254 / 10 286.0 / 11.3mm/in 254 / 10 274.0 / 10.8 & 184.0 / 7.2mm/in 609.6 / 24.0 660.4 / 26.0

83Components Data (R22)mm/in 286.0 / 11.3 254 / 10mm/in 274.0 / 10.8 & 184.0 / 7.2 254 / 10 & 203.2 / 8.0mm/in 660.4 / 26.0 762 / 30RECIPROCAT

84Components Data (R22)mm/inmm/inmm/inDIAMOND MS 32(N-1) SUNISO 3GScm3/fl.oz.3000 / 106.04500 / 158.4mm/inmm/inmm/inm2/ft234mm/inmm/inmm/inm2/ft223pcL

85Components Data (R22)mm/inmm/in 480 / 18.9 481 / 18.9mm/incm3/fl.oz.3250 / 114.4 4140 / 145.7SEAMLESS COPPER S.I.G.C.mm/inmm/inmm/inm2/ft2SEAMLESS C

86Components Data (R22) mm/in mm/in mm/in 320 SZ cm 3 /fl.oz. 8000 / 281.6 S.I.G.C. 160P & 320SZ 6600 / 232.3 & 8000 / 281.6 S.I.G.C. mm/in mm

87Components Data (R407C)PLASTIC GALVANISED STEELmm/inmm/in 254 / 10 254 / 10 & 203.2 / 8.0mm/in 609.6 / 24.0 660.4 / 26.0IP54 IP44cm3/fl.oz.1770

88Components Data (R407C)mm/inmm/inmm/in 660.4 / 26.0 762 / 30IP22 N/Acm3/fl.oz.SEAMLESS COPPER S.I.G.C.mm/inmm/inmm/inm2/ft20.65 / 6.96 0.65 / 6.9915

7M(4)RT080/100A

89Components Data (R407C)mm/inmm/inmm/incm3/fl.oz.2510 / 88.3 3250 / 114.4mm/inmm/inmm/inm2/ft234mm/inmm/inmm/inm2/ft223pcLENGTH mm/inWIDTH mm/inTHICK

90Components Data (R407C)mm/inmm/in 480 / 18.9 481 / 18.9mm/incm3/fl.oz.3250 / 114.4 4140 / 145.7mm/inmm/inmm/inm2/ft2SEAMLESS COPPER S.I.G.C.mm/inmm/

91Components Data (R407C) mm/in mm/in mm/in 320 SZ cm 3 /fl.oz. 8000 / 281.6 S.I.G.C. mm/in 7.0 / 0.28 mm/in 0.28 / 0.011 160SZ & 320SZ 6600 / 2

92Components Data (R407C)PLASTIC GALVANISED STEELmm/inmm/in 254 / 10 254 / 10 & 203.2 / 8.0mm/in 609.6 / 24.0 660.4 / 26.0N/AIP44cm3/fl.oz.1770 /

93Components Data (R407C)mm/inmm/inmm/in 660.4 / 26.0 762 / 30IP22 N/Acm3/fl.oz.mm/inmm/inmm/inm2/ft20.65 / 6.96 0.65 / 6.9915 14mm/inmm/inmm/inm2/ft2

94Components Data (R407C)mm/inmm/inmm/incm3/fl.oz.2510 / 88.3 3250 / 114.4mm/inmm/inmm/inm2/ft234mm/inmm/inmm/inm2/ft223pcLENGTH mm/inWIDTH mm/inTHICK

95Components Data (R407C)mm/inmm/in 480 / 18.9 481 / 18.9mm/incm3/fl.oz.3250 / 114.4 4140 / 145.7SEAMLESS COPPER S.I.G.C.mm/inmm/inmm/inm2/ft2SEAMLESS

96Components Data (R407C) mm/in mm/in mm/in 320 SZ cm 3 /fl.oz. 8000 / 281.6 S.I.G.C. 160 SZ & 320 SZ 6600 / 232.3 & 8000 / 281.6 S.I.G.C. mm/

97Safety Devices (R22) OPEN kPa/psiCLOSE kPa/psiOPEN kPa/psiCLOSE kPa/psiDISCHARGE THERMOSTAT SETTING °C / °FOPEN kPa/psiCLOSE kPa/psiOPEN kPa/psiCLOS

98Safety Devices (R22) OPEN kPa/psi CLOSE kPa/psi OPEN kPa/psi CLOSE kPa/psi DISCHARGE THERMOSTAT SETTING °C / °FOPEN kPa/psi CLOSE kPa/psi OPE