Carrier 50HQ User Manual

Copyright 2010 Carrier Corporation Form 50HQP-1PDSingle-package horizontally mounted water source heat pumps with elec-tronic controls.• Puron® refrig

10(RIGHT)(LEFT)(BACK)(BACK)CONDENSAT EDRAINCONDENSATE DRAINC50HQP072-120NOTES:1. All dimensions in inches, unless indicated.2. Access is required for

11I Determine the actual cooling and heatingloads at the desired dry bulb and wet bulbconditions.Assume cooling load at desired dry bulb 80 F andwet b

12For example, using the Corrected Heat of Rejectionfrom the last step:If the units selected are not within 10% of the loadcalculations, review what e

13CORRECTION FACTORS — ANTI-FREEZE LEGENDCORRECTION FACTORS — ENTERING AIRCORRECTION FACTORS — NOMINAL CFMNOTE: 400 CFM per ton is Nomina

1450HQP0722400 CFM NOMINAL AIRFLOW LEGEND NOTES:1. Interpolation is permissible, extrapolation is not.2. All entering air conditions are

1550HQP0963200 CFM NOMINAL AIRFLOW LEGEND NOTES:1. Interpolation is permissible, extrapolation is not.2. All entering air conditions are

1650HQP1204000 CFM NOMINAL AIRFLOW LEGEND NOTES:1. Interpolation is permissible, extrapolation is not.2. All entering air conditions are

1750HQP072 BLOWER DATA LEGENDNOTES:1. Units factory shipped with standard static sheave and drive at 2.5 turns open(

1850HQP096 BLOWER DATA LEGENDNOTES:1. Units factory shipped with standard static sheave and drive at 2.5 turns open(

1950HQP120 BLOWER DATA LEGENDNOTES:1. Units factory shipped at ISO/AHRI setting with standard staticsheave and drive

2High quality construction and testingAll units are manufactured to meet extensive quality control protocol from start to finish through an automated

2050HQP120 BLOWER DATA (CONT) LEGENDNOTES:1. Units factory shipped at ISO/AHRI setting with standard staticsheave an

2150HQP072-120 (STANDARD UNITS)50HQP072-120 (DUAL POINT UNITS) LEGEND*Time-delay fuse or HACR circuit breaker.UNIT50HQP

22ThermostatWiringInsulated supply duct withat least one 90 deg elbowto reduce air noiseReturn AirSupply Air3/8” Threaded rodsUnit PowerDisconnectPowe

23Complete CComplete C 2Complete C 1Complete CComplete C 2Complete C 1BC — Blower ContactorCB — Circuit BreakerCC — Compressor ContactorCO — Sensor, C

2450HQP072-120 WITH DELUXE D CONTROL (TYPICAL)See legend and notes on page 23.Deluxe DDeluxe DDeluxe DDeluxe DDeluxe D 2Deluxe D 2Deluxe D 1Deluxe D 1

25YWOGRCAL1AL2ACRCMP1FANPWRHS1/EXH/RVSPREMIERLINKCRCOMPLETECCONTROLJ4J6J5J8J1PWRSPSALWCMPSAFETTTY1GRCAL1CMP1FANPWRPREMIERLINKDELUXEDCONTROLJ4J8J1PWRCM

26Aquazone™ water source heat pump products are availablein a flexible, efficient array of models, which can be used inall types of water loop, ground

27Vertical ground loop — This system is used in verticalborehole applications. This design is well suited for retrofitapplications when space is limit

28Acoustical design goals are desirable sound pressure lev-els within a given conditioned space and are representedby noise criteria (NC) curves. Nois

2920. If return air is drawn through a ceiling plenum, pro-vide an acoustically lined return duct elbow or “L”shaped boot at the WSHP to eliminate lin

3compressor section from 3 sides. Additional panels are provided to access the blower and control box sec-tions.The blower housing assembly can be se

30Commercial Horizontal Water Source Heat Pump UnitsHVAC Guide SpecificationsSize Range: 70,000 to 120,000 Btuh Cooling CapacityCarri

31h. Unit shutdown on high or low water temper-ature (selectable for antifreeze solutions).i. Option to reset unit at thermostat or discon-nect. Fault

32I. Sound Attenuation Package (Mute Package):Consists of attenuation material that is applied tothe cabinet to reduce noise. Attenuating materialshal

3312. Extended Range:Extended range units provide an insulated watercircuit for the coaxial coil and refrigerant circuitto prevent condensation, and t

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Pg 3

4Size – Nominal Tons072 –6096 –8120 –10Water Circuit Options- – None50HQP 096 K C C 5 - 1 1 -50HQP – Horizontal Large Ca

550HQP072-120 UNITS LEGEND NOTES:1. Cooling capacities based upon 80.6 F db, 66.2 F wb entering airtemperature.2. Heating capacitie

650HQP072-120 UNITS LEGEND *All units have grommet and spring compressor mountings, and 1/2-in.and 13/4-in. electrical knockouts.†Two-inch f

7Factory-installed optionsCupronickel heat exchangers are available for highercorrosion protection for applications such as open tower,geothermal, etc

8includes occupied comfort settings with lights on, unoccu-pied energy savings with lights off.Programmable 7-day flush-mount thermostat offers thesam

9PREMIERLINK™ COMMUNICATING CONTROLCOOLHEATAUTOR5-DAY PROGRAMMABLE/NON-PROGRAMMABLEAUTOPmCOOLHEATCarrier®CARRIER AQUAZONE THERMOSTATS7-DAY PROGRAMMABL