Carrier 50HQ- Manuals

Carrier 50HQ– User Manual, Manual in PDF format online.

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User Manual
Manual

User Manual Carrier 50HQ

Summary

Page 2 - Environmentally sound; Table of contents

2 High quality construction and testing All units are manufactured to meet extensive quality control protocol from start to finish through an automated control system, which provides contin-uous monitoring of each unit and performs quality control checks as equipment progresses through the productio...

Page 3 - Maximum control flexibility

3 compressor section from 3 sides. Additional panels are provided to access the blower and control box sec-tions. The blower housing assembly can be serviced without disconnecting duct-work from the dedicated blower access panel. Blower units are provided with permanently lubricated bearings for wor...

Page 4 - Model number nomenclature

4 S ize – Nominal Ton s 072 – 6 096 – 8 120 – 10 Water Circuit Option s - – None 50HQP 096 K C C 5 - 1 1 - 50HQP – Horizont a l L a rge C a p a city W a ter S o u rce He a t P u mp V-Ph-Hz 5 – 208/2 3 0- 3 -60 6 – 460- 3 -60 1 – 575- 3 -60 Airflow Confi g uration Ret u rn Di s ch a rge Drive/Motor J...

Page 5 - AHRI/ISO capacity ratings

5 50HQP072-120 UNITS LEGEND NOTES: 1. Cooling capacities based upon 8 0.6 F db, 66.2 F wb entering air temperature. 2. Heating capacities based upon 6 8 F db, 59 F wb entering air temperature. 3. All ratings based upon operation at lower voltage of dual voltage rated models. 4. All 50HQP072 ratings ...

Page 6 - Physical data

6 50HQP072-120 UNITS LEGEND *All units have grommet and spring compressor mountings, and 1 / 2 -in. and 1 3 / 4 -in. electrical knockouts. †Two-inch filters are available as field-installed accessory. UNIT 50HQP 072 096 120 NOMINAL CAPACITY (tons) 6 8 10 Compressor(s)* Scroll NOMINAL AIRFLOW (cfm) 2...

Page 7 - Options and accessories

7 Factory-installed options Cupronickel heat exchangers are available for higher corrosion protection for applications such as open tower,geothermal, etc. Consult the water quality guidelines forproper application and selection of this option. Sound attenuation package (mute package) is avail- able ...

Page 10 - Dimensions

10 (RIGHT) (LEFT) (BACK) (BACK) CONDEN S ATE DRAIN CONDEN S ATE DRAIN C 50HQP072-120 NOTES: 1. All dimensions in inches, unless indicated.2. Access is required for all removable panels and installer should take care to comply with all building codes and allow adequateclearance. 3. Water inlet and ou...

Page 11 - Selection procedure

11 I Determine the actual cooling and heating loads at the desired dry bulb and wet bulbconditions. Assume cooling load at desired dry bulb 80 F andwet bulb 65 F conditions are as follows:Given:Total Cooling (TC) . . . . . . . . . . . . . . . 65,500 BtuhSensible Cooling (SC) . . . . . . . . . . . . ...

Page 13 - Performance data

13 CORRECTION FACTORS — ANTI-FREEZE LEGEND CORRECTION FACTORS — ENTERING AIR CORRECTION FACTORS — NOMINAL CFM NOTE: 400 CFM per ton is Nominal Airflow. LEGEND NOTES: 1. ARI/ISO/ASHRAE 13256-1 uses entering air conditions of Cooling — 8 0.6 F db/66.2 F wb and Heating — 6 8 F db/59 F wb. 2. Discontinu...

Page 21 - Electrical data

21 50HQP072-120 (STANDARD UNITS) 50HQP072-120 (DUAL POINT UNITS) LEGEND *Time-delay fuse or HACR circuit breaker. UNIT 50HQP VOLTAGE ( 3 Ph-60 Hz) VOLTAGE RANGE BLOWER MOTOR FACTORY- INSTALLED OPTION COMPRESSOR FAN MOTOR TOTAL FLA MCA MOCP* Min Max Qty RLA LRA HP FLA 072 20 8 /230 1 8 7 253 Standard...

Page 22 - Typical piping and wiring

22 Thermostat Wiring Insulated supply duct withat least one 90 deg elbowto reduce air noise Return Air Supply Air 3/ 8 ” Threaded rods Unit PowerDisconnect PowerWiring Unit Power Dual Blower Discharge Optional Balancing Valve Y-Strainer with blow- off valve Water In Water Out Optional Low Pressure D...

Page 23 - Typical control wiring schematics

23 Complete C Complete C 2 Complete C 1 Complete C Complete C 2 Complete C 1 BC — Blower Contactor CB — Circuit Breaker CC — Compressor Contactor CO — Sensor, Condensate Overflow FP1 — Sensor, Water Coil Freeze Protection FP2 — Sensor, Air Coil Freeze Protection HP — High-Pressure Switch JW 3 — Clip...

Page 26 - Water loop system; Application data

26 Aquazone™ water source heat pump products are available in a flexible, efficient array of models, which can be used inall types of water loop, ground water, and ground looptype systems. Utilize Aquazone products to provide opti-mal energy efficient solutions and adapt to the most chal-lenging des...

Page 27 - Condensate drainage; Venting —; Water conditioning; Acoustical design

27 Vertical ground loop — This system is used in vertical borehole applications. This design is well suited for retrofitapplications when space is limited or where landscaping isalready complete and minimum disruption of the site is de-sired. The vertical ground loop system contains a singleloop of ...

Page 28 - WSHP sound control

28 Acoustical design goals are desirable sound pressure lev- els within a given conditioned space and are representedby noise criteria (NC) curves. Noise criteria curve levels rep-resent a peak over a full spectrum of frequencies. A highvalue in a low frequency band has the same effect on NClevel as...

Page 29 - Solenoid valves

29 20. 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 line-of-sightnoise into the ceiling cavity and possible through ceil-ing return air grilles. Face the elbow or boot awayfrom the nearest adjacent WSHP ...

Page 30 - Guide specifications

30 Commercial Horizontal Water Source Heat Pump Units HVAC Guide Specifications Size Range: 70,000 to 120,000 Btuh Cooling Capacity Carrier Model Number: 50HQP Part 1 — General 1.01 SYSTEM DESCRIPTION A. Heat pump units are designed to operate with 60 to 95 F water temperature or 20 to 110 F water t...