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Copyright 1999 Carrier Corporation

Form 38AQS-4PD

Heat Pump

Heat Pump Systems that Save
Energy and Provide Outstanding 
Heating and Cooling All Year
• All-season comfort in any climate
• High energy savings capability
• Suitable for new construction or 

replacement

Features/Benefits

System indoor and outdoor 
sections offer outstanding 
performance in either the 
cooling or heating mode

Heat pump system energy
savings opportunity

Electrical energy consumption is
always a prime concern when selecting 
an air-conditioning system for a com-
mercial application. An easy, effective 
way to save energy is to install a heat 
pump. Should your building plans call 
for one, consider a matched Carrier 
38AQS/40RMQ heat pump system. 
These systems not only provide highly 
efficient cooling, they also double as a 
clean, safe, efficient source of heat. In 
fact, they are capable of delivering
approximately 3 units of heat energy 
for each unit of electrical power
consumed.

Heat pump uniqueness

The outstanding performance of these 
heat pump systems is due to the heat 
pump’s ability to absorb and transfer 
heat — from outdoors to indoors for 
heating, and from indoors to outdoors 
for cooling. System indoor and out-
door sections operate as evaporators 
or condensers, depending on whether 
heating or cooling is required. The 
heating cycle always starts with the 
outdoor coil absorbing heat from the 

38AQS/40RMQ

Heat Pump Systems

Nominal Heating: 83,000 to 164,000 Btuh

Nominal Cooling: 7

1

/

2

 to 15 Tons

Product
Data

38AQS008

38AQS012,016

40RMQ

Summary of Contents for 40RMQ

Page 1: ...ne consider a matched Carrier 38AQS 40RMQ heat pump system These systems not only provide highly efficient cooling they also double as a clean safe efficient source of heat In fact they are capable of delivering approximately 3 units of heat energy for each unit of electrical power consumed Heat pump uniqueness The outstanding performance of these heat pump systems is due to the heat pump s abilit...

Page 2: ...from the damage that can be caused by rapid compressor cycling The 24 v control circuit transformer permits quick easy wiring of standard and programmable 24 v thermostats Latest safety standards for 38AQS008 units are assured through UL Underwriters Laboratories and UL Canada approval The 38AQS008 utilizes a state of the art defrost board with field config urable timed defrost cycles The defrost ...

Page 3: ...save money by pro viding reduced installation expense and energy efficient performance Quick installation reduces installation costs and TXVs check valves and heat pump piping are factory installed High efficiency precision balanced fans minimize air turbulence surging and unbalanced operation cutting op erating expenses The economizer accessory precisely controls the blend of outdoor air and room...

Page 4: ...ndler GC Unpainted Standard Motor and Standard Drive Cooling Coil HC Unpainted Standard Motor and Q Heat Pump Medium Static Drive YC Unpainted Alternate Motor and Nominal Capacity Tons High Static Drive 008 7 1 2 ED Painted Standard Motor and 012 10 Standard Drive 016 15 FD Painted Standard Motor and Medium Static Drive Not Used WD Painted Alternate Motor and High Static Drive Expansion Device B T...

Page 5: ... accordance with ARI Standard 210 240 94 38AQS016 and 40RMQ016 are rated in accordance with ARI Standard 340 360 93 2 Sound ratings are in accordance with ARI Standard 270 84 OUTDOOR UNIT 38AQS INDOOR UNIT 40RMQ AIRFLOW Cfm COOLING HEATING SOUND RATING Bels Hi Temp Low Temp Net Cap Btuh EER IPLV Net Cap Btuh COP Net Cap Btuh COP 008 008 3000 86 000 9 8 N A 83 000 3 0 46 000 2 0 9 2 012 012 4000 10...

Page 6: ...ter in 26 26 Motor Hp 3 4 1 2 Cfm 6500 11 000 kW 0 96 1 46 OUTDOOR COIL No of Rows Fins in 2 17 2 15 3 15 Face Area sq ft 18 0 29 2 29 2 Storage Capacity lb 16 6 27 2 40 1 CONNECTIONS Sweat Suction in 11 8 11 8 13 8 Liquid in 1 2 5 8 5 8 CONTROLS Pressurestat Settings psig High Cutout 426 7 400 400 Cut in 320 20 300 300 Low Cutout 7 3 7 3 7 3 Cut in 22 5 22 5 22 5 Defrost Thermostat Initiate Defro...

Page 7: ... 0 DIRECT EXPANSION COIL Enhanced Copper Tubes Aluminum Sine Wave Fins Max Working Pressure psig 435 Face Area sq ft 8 33 10 0 17 67 No of Splits 1 2 2 Split Type Percentage Face 50 50 No of Circuits per Split 15 9 16 Rows Fins in 3 15 4 15 4 15 STEAM COIL Max Working Pressure psig at 400 F 175 Total Face Area sq ft 6 67 6 67 13 33 Rows Fins in 1 9 1 9 1 10 HOT WATER COIL Max Working Pressure psig...

Page 8: ... electric strip heaters Condenser coil grille protects outdoor coil from large objects and vandalism Condenser hail guard 008 only protects outdoor units from hail and other flying debris Mounting legs 012 016 only hold unit approxi mately 18 in off the ground to allow for condensate drain connection Gage panel package 008 only provides one suction pressure gage and one discharge gage mounted on a...

Page 9: ...the return air opening and gives a finished appearance to units installed in the occupied space Accessory is available unpainted or painted Subbase provides a stable raised platform and room for condensate drain connection for floor mounted units Accessory is available unpainted or painted Overhead suspension package includes necessary brackets to support units in horizontal ceiling installations ...

Page 10: ...and accessories cont AUTO Pm COOL HEAT Carrier H C CARRIER THERMOSTATS DEBONAIR COMMERCIAL PROGRAMMABLE THERMOSTAT COMMERCIAL ELECTRONIC THERMOSTAT TEMP SYSTEM THERMOSTAT WITH TIMECLOCK NON PROGRAMMABLE THERMOSTAT ...

Page 11: ...RILLE SUBBASE FAN COIL UNIT ECONOMIZER FAN COIL UNIT FAN COIL UNIT HOT WATER OR STEAM COIL 40RMQ WITH DISCHARGE PLENUM RETURN GRILLE AND SUBBASE 40RMQ WITH HOT WATER OR STEAM COIL 40RMQ WITH ECONOMIZER 40RMQ WITH CONDENSATE DRAIN TRAP ...

Page 12: ...rection of airflow 4 Minimum clearance local codes or jurisdiction may prevail a Bottom to combustible surfaces 0 in b Outdoor coil for proper airflow 36 in one side 12 in the other The side getting the greater clearance is optional c Overhead 60 in to assure proper condenser fan operation d Between units Control box side 42 in per NEC e Between unit and ungrounded surfaces Control box side 36 in ...

Page 13: ...13 38AQS012 016 ...

Page 14: ...ns in are in millimeters 2 Direction of airflow 3 Recommended clearance Rear 3 Front 2 6 Right Side 2 6 Left Side 2 6 Local codes or jurisdiction may prevail 4 Liquid piping not supplied by Carrier 5 Duct flange is factory supplied and field installed UNIT UNIT WEIGHT lb 40RMQ008 385 40RMQ012 427 ...

Page 15: ...re in millimeters 2 Direction of airflow 3 Recommended clearance Rear 3 Front 2 6 Right Side 2 6 Left Side 2 6 Local codes or jurisdiction may prevail 4 Liquid piping not supplied by Carrier 5 Duct flange is factory supplied and field installed UNIT UNIT WEIGHT lb 40RMQ016 713 ...

Page 16: ...LECTRIC HEATER ACCESSORY 40RMQ016 WITH ELECTRIC HEATER ACCESSORY NOTE Dimensions in are in millimeters UNIT SIZE 40RMQ A B C D E F G H J 016 1 31 4 387 4 4 63 8 1381 1 25 16 58 7 2 11 4 641 4 10 5 8 269 9 1 4 406 4 1 45 16 414 3 1 63 4 476 3 1 7 8 327 0 ...

Page 17: ... plemental electric heat is needed Select an electric heater that satisfies the voltage designation and the supplemental heat requirement Refer to the Electric Heater Data Indoor Units table page 26 The supplemental heating load required is 76 600 Btuh To convert Btuh to kW 22 4 kW of supplemental heat required For the 40RMQ012 the heater part no CAELHEAT010A00 is rated 25 kW at 240 volts To calcu...

Page 18: ...G CAPACITY Btuh NET HEATING CAPACITY Btuh 008 008 3000 89 000 83 000 012 012 4000 113 000 111 000 016 016 6000 179 000 164 000 OUTDOOR UNIT 38AQS INDOOR UNIT 40RMQ AIRFLOW Cfm TEMPERATURE OF AIR ENTERING OUTDOOR UNIT F db 10 0 10 17 20 Cap kW Cap kW Cap kW Cap kW Cap kW 008 008 3000 21 7 3 4 30 4 3 8 39 4 4 3 45 8 4 6 48 3 4 8 012 012 4000 33 3 4 2 43 4 4 8 54 2 5 4 61 8 5 8 65 1 6 0 016 016 6000 ...

Page 19: ...5 9 28 100 TC 115 0 106 0 97 0 119 0 110 0 103 0 122 0 113 0 108 0 SHC 59 4 74 9 89 6 66 0 85 8 102 0 72 0 95 6 108 0 kW 9 88 9 50 9 16 10 0 9 70 9 42 10 2 9 85 9 63 105 TC 112 0 103 0 94 4 116 0 107 0 100 0 119 0 110 0 106 0 SHC 58 3 73 8 88 3 64 9 84 7 100 0 70 9 94 4 106 0 kW 10 3 9 85 9 49 10 4 10 1 9 74 10 5 10 2 9 97 115 TC 106 0 96 9 89 2 110 0 101 0 95 3 112 0 104 0 100 0 SHC 56 1 71 5 85 ...

Page 20: ...125 0 kW 4 11 4 64 5 18 5 57 5 76 6 39 7 15 7 51 7 63 8 02 70 3000 TH 34 2 44 9 56 5 65 0 68 8 81 7 96 1 106 0 112 0 130 0 THI 31 5 41 3 51 8 59 3 62 4 71 6 96 1 106 0 112 0 130 0 kW 4 24 4 84 5 48 5 95 6 16 6 89 7 75 8 40 8 75 9 92 4000 TH 36 1 47 2 59 0 67 8 71 8 85 0 100 0 111 0 116 0 132 0 THI 33 3 43 4 54 2 61 8 65 1 74 5 100 0 111 0 116 0 132 0 kW 4 21 4 78 5 38 5 82 6 01 6 70 7 51 8 11 8 35...

Page 21: ...mp F Entering Air Temp F 40 50 60 70 80 10 140 0 72 0 64 0 57 0 49 0 41 160 0 89 0 81 0 74 0 66 0 58 180 1 06 0 98 0 90 0 83 0 75 200 1 22 1 15 1 07 1 00 0 92 220 1 39 1 32 1 24 1 17 1 09 20 140 0 64 0 57 0 49 0 41 0 33 160 0 81 0 74 0 66 0 58 0 51 180 0 98 0 91 0 83 0 75 0 68 200 1 15 1 08 1 00 0 93 0 85 220 1 32 1 25 1 17 1 10 1 02 30 140 0 56 0 49 0 41 0 33 0 24 160 0 74 0 66 0 58 0 51 0 43 180...

Page 22: ...00 1131 2 12 3 750 1000 1 90 1043 2 02 1084 2 13 1124 2 25 1162 2 37 012 3 000 927 1 43 973 1 54 1017 1 65 1058 1 76 1098 1 87 1137 1 98 3 500 973 1 72 1018 1 84 1060 1 95 1101 2 07 1139 2 18 1177 2 30 4 000 1023 2 06 1066 2 19 1107 2 31 1146 2 43 1184 2 55 4 500 1075 2 45 1116 2 58 1156 2 71 1194 2 83 5 000 1130 2 90 1170 3 03 016 4 500 908 2 33 959 2 61 1008 2 89 1054 3 17 1098 3 46 1141 3 75 5 ...

Page 23: ...tic Expansion Valve 2 All wiring must comply with applicable local and national codes 3 Wiring and piping shown are general points of connection guides only and are not intended for or to include all details for a specific installation 4 Bi flow liquid line solenoid valve solenoid drop control is recom mended to prevent refrigerant migration to the compressor 5 Filter drier must be bi flow type su...

Page 24: ...refrigerant piping techniques Refer to Carrier System Design Manual for details 2 All wiring must comply with applicable local and national codes 3 Wiring and piping shown are general points of connection guides only and are not intended for or to include all details for a specific installation 4 Filter driers must be bi flow type suited for heat pump duty 6 Internal factory supplied TXVs and chec...

Page 25: ... Rotor Amps MOCP Maximum Overcurrent Protection Fuse Only RLA Rated Load Amps UNIT 40RMQ V PH Hz VOLTAGE LIMITS FAN MOTOR POWER SUPPLY Hp FLA Minimum Circuit Amps MOCP Amps 008 208 230 1 60 187 253 2 4 11 0 13 8 20 208 230 3 60 187 253 2 4 5 2 6 5 15 460 3 60 414 506 2 4 2 6 3 3 15 575 3 60 518 632 2 0 2 3 2 9 15 012 208 230 3 60 187 253 2 4 5 2 6 5 15 460 3 60 414 506 2 4 2 6 3 3 15 575 3 60 518 ...

Page 26: ...79 5 2 15 15 0 15 0 36 1 51 6 60 2 9 2 16 7 5 15 15 0 15 0 36 1 54 5 60 3 7 2 76 10 2 15 15 0 15 0 36 1 57 9 60 CAELHEAT008A00 480 3 60 2 4 1 79 2 6 15 15 0 15 0 18 0 25 8 30 2 9 2 16 3 4 15 15 0 15 0 18 0 26 8 30 3 7 2 76 4 8 15 15 0 15 0 18 0 28 6 30 CAELHEAT009A00 575 3 60 2 0 1 49 2 3 15 15 0 15 0 15 1 21 7 25 3 0 2 24 3 8 15 15 0 15 0 15 1 23 6 25 CAELHEAT010A00 240 3 60 2 4 1 79 11 0 25 15 0...

Page 27: ... 3 0 2 24 3 8 10 10 0 10 0 10 0 17 3 20 5 0 3 73 5 1 10 10 0 10 0 10 0 19 6 20 CAELHEAT019A00 240 3 60 3 7 2 76 10 2 20 20 0 20 0 48 1 73 4 80 5 0 3 73 12 8 20 20 0 20 0 48 1 76 1 80 CAELHEAT020A00 480 3 60 3 7 2 76 4 8 20 20 0 20 0 24 1 36 1 40 5 0 3 73 6 4 20 20 0 20 0 24 1 39 1 40 CAELHEAT021A00 575 3 60 3 0 2 24 3 8 20 20 0 20 0 20 1 29 9 30 5 0 3 73 5 1 20 20 0 20 0 20 1 31 5 35 CAELHEAT022A0...

Page 28: ... temperature Cooling If power to unit has been off for an extended period of time energize crankcase heater at least 24 hours prior to starting compressor The indoor fans outdoor fans and compressor start within 5 minutes due to compressor time delay on com mand from the controlling thermostat in either the Cooling or the Heating mode of operation When first stage cool ing is required thermostat T...

Page 29: ...410 61 38AQ016530 47 100 91 209 3 2599 378 89 Typical control wiring schematic AHA Adjustable Heat Anticipator AWG American Wire Gage C Contactor Compressor CAP Capacitor CB Circuit Breaker Compressor CC Cooling Compensator CH Crankcase Heater CLO Compressor Lockout CLO1 Compressor Lockout CLO2 Crankcase Heater Lockout COMP Compressor Motor COTP Compressor Over Temperature Protection CR Control Re...

Page 30: ...30 Typical control wiring schematic cont 38AQS008 ...

Page 31: ...31 38AQS012 016 208 230 3 60 ...

Page 32: ...32 Typical control wiring schematic cont 38AQS012 016 460 3 60 575 3 60 COMPONENT ARRANGEMENT ...

Page 33: ...nt to match or to be slightly less than peak load This provides better humidity control less unit cycling and less part load operation Equipment should be selected to perform at no less than 300 cfm ton The indoor unit fan must always be operating when the outdoor unit is operating Ductwork should be sized according to indoor unit size not building load For larger units with two fans a split duct ...

Page 34: ...ith installation instructions E coated condenser coils 012 016 E coated aluminum fin coils have a flexible and durable epoxy coating uniformly applied to all coil surfaces Unlike brittle phenolic dip and bake coatings E coating provides superior protection with unmatched flexibility edge cover age metal adhesion thermal performance and most importantly corrosion resistance E coated coils provide t...

Page 35: ...AQS INDOOR UNIT 40RMQ DISTANCE FT Indoor Unit Above Outdoor Unit Below Outdoor Unit 008 008 65 75 012 012 50 50 016 016 80 80 UNIT 40RMQ TX Qty Part No DISTRIBUTOR Qty Part No FEEDER TUBES PER DISTRIBUTOR Qty Size in NOZZLE Qty Part No 008 1 SVE 8 1 1657 15 1 4 1 C6 012 2 XVE 4 2 1655 9 1 4 2 E4 016 2 SVE 8 2 1657 16 1 4 2 C6 UNIT 40RMQ 008 Speed rpm 1725 Hp 2 4 Frame NEMA 56Y Shaft Dia in 5 8 UNI...

Page 36: ... Diameter 3 4 4 4 3 4 4 4 3 7 4 7 Pulley Factory Setting Full Turns Open 2 5 2 5 3 0 FAN DRIVE Pulley Pitch Dia in 8 0 8 0 8 6 Pulley Bore in 1 1 17 16 Belt No Section 1 A 1 A 1 B Belt Pitch in 40 3 40 3 41 8 FAN SPEEDS rpm Factory Setting 841 841 842 Range 733 949 733 949 742 943 Max Allowable Speed 1200 1200 1200 Change per 1 2 Turn of Moveable Motor Pulley Flange 21 6 21 6 16 7 MAX FULL TURNS F...

Page 37: ...ircuit matched with a 40RMQ008 packaged air handling unit B Unit Cabinet 1 Cabinet shall be constructed of galvanized steel bonderized and finished with baked enamel 2 Fan venturi housings and guards shall be assem bled on the unit 3 A removable panel shall be provided for access to compressor and control compartments 4 A refrigerant accumulator with a fusible plug relief shall be installed in the...

Page 38: ...ing to provide protection in mildly corrosive coastal environments Coating shall be applied to the aluminum fin stock prior to the fin stamping process to create an inert barrier between the aluminum fin and cop per tube Epoxy phenolic barrier shall mini mize galvanic action between dissimilar metals b Copper Fin Coils Shall be constructed of copper fins mechani cally bonded to copper tubes and co...

Page 39: ...be coil propeller type fans fan motors refrigerant controls and a control box All components shall be factory assembled as a single unit A holding charge of R 22 shall be included B Unit Cabinet 1 Cabinet shall be constructed of galvanized steel bonderized and finished with baked enamel 2 Fan venturi housings and guards shall be assem bled on the unit 3 A removable panel or hinged door shall be pr...

Page 40: ...ounting Legs Legs shall hold the unit approximately 18 in off the ground to allow space for drainage 4 Condenser Coil Grille Protects outdoor coil from large objects and vandalism 5 Optional Condenser Coil Materials a Pre Coated Aluminum Fin Coils Shall have a durable epoxy phenolic coating to provide protection in mildly corrosive coastal environments Coating shall be applied to the aluminum fin ...

Page 41: ...all be confirmed through testing to no less than 1000 hours salt spray per ASTM B117 90 Coil construction shall be copper fins mechanically bonded to copper tubes with copper tube sheets Galvanized steel tube sheets shall not be acceptable A polymer strip shall prevent coil assembly from contacting sheet metal coil pan to maintain coating integrity and minimize cor rosion potential between the coi...

Page 42: ...gerant metering devices bypass check valves cooling coil 2 in disposable air filters and condensate drain pans for vertical or horizontal configurations A Base Unit 1 Cabinet shall be constructed of mill galvanized steel 2 Cabinet panels shall be fully insulated with 1 2 in fire retardant material Insulation shall contain an EPA registered immobilized antimi crobial agent to effectively resist the...

Page 43: ...ied for field installation Subbase shall elevate floor mounted vertical units to provide access for cor rect condensate drain connection 7 Economizer Economizer for ventilation or free cooling shall be factory provided for field installation For free cooling applications economizer shall be compatible with factory supplied thermostat economizer dampers shall open when outdoor air enthalpy is suita...

Page 44: ... at any time specifications or designs without notice and without incurring obligations New Pg 44 Catalog No 523 763 Printed in U S A PC 111 Form 38AQS 4PD Book 1 4 Tab 5a 5a Carrier Corporation Syracuse New York 13221 11 99 Book 2 Tab HP2 Replaces 38AQS 3PD ...

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