Carrier 50VQP084-300 specifications Contents, Safety Considerations

Page 1

AQUAZONE™ 50VQP084-300 Vertical Large Capacity Water Source Heat Pumps

with PURON® Refrigerant (R-410A) 50 Hz

Installation, Start-Up, and

Service Instructions

CONTENTS

Page

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . .1,2

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17

Step 1 — Check Jobsite . . . . . . . . . . . . . . . . . . . . . . . . 2

Step 2 — Check Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

STORAGE

PROTECTION

INSPECT UNIT

Step 3 — Locate Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Step 4 — Mount the Unit . . . . . . . . . . . . . . . . . . . . . . . . . 6

DISCHARGE CONFIGURATION CONVERSION

CONTROL BOX/MOTOR ACCESS

CONFIGURATION CONVERSION

Step 5 — Check Duct System . . . . . . . . . . . . . . . . . . . . 9

SOUND ATTENUATION

EXISTING DUCT SYSTEM

Step 6 — Install Condensate Drain . . . . . . . . . . . . . . . 9

• VENTING

Step 7 — Pipe Connections . . . . . . . . . . . . . . . . . . . . . 10

WATER LOOP APPLICATIONS

GROUND-LOOP APPLICATIONS

GROUND-WATER APPLICATIONS

Step 8 — Wire Field Power Supply . . . . . . . . . . . . . . 11

POWER CONNECTION

SUPPLY VOLTAGE

420-VOLT OPERATION

Step 9 — Wire Field Controls. . . . . . . . . . . . . . . . . . . . 17

THERMOSTAT CONNECTIONS

WATER FREEZE PROTECTION

AIR COIL FREEZE PROTECTION

ACCESSORY CONNECTIONS

WATER SOLENOID VALVES

PRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-32

System Checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Airflow and External Static Pressure . . . . . . . . . . . 18

FIELD SELECTABLE INPUTS . . . . . . . . . . . . . . . .33,34

Complete C Control Jumper Settings. . . . . . . . . . . 33

Complete C Control DIP Switches. . . . . . . . . . . . . . 33

Deluxe D Control Jumper Settings . . . . . . . . . . . . . 33

Deluxe D Control DIP Switches . . . . . . . . . . . . . . . . 33

Deluxe D Control Accessory Relay

Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34-36

Operating Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Start Up System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Scroll Compressor Rotation. . . . . . . . . . . . . . . . . . . . . 34

Unit Start-Up Cooling Mode . . . . . . . . . . . . . . . . . . . . . 35

Unit Start-Up Heating Mode . . . . . . . . . . . . . . . . . . . . . 35

Flow Regulation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Flushing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Page

Antifreeze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Cooling Tower/Boiler Systems . . . . . . . . . . . . . . . . . . 36

Ground Coupled, Closed Loop and Plateframe Heat Exchanger Well Systems . . . . . . . . . . . . . . . . 36

OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36,37 Power Up Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Units with Aquazone Complete C Control . . . . . . . 37 Units with Aquazone Deluxe D Control . . . . . . . . . . 37

COMPLETE C AND DELUXE D BOARD SYSTEM TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37-39

Test Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Retry Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Aquazone Deluxe D Control LED Indicators . . . . . 39

SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39,40

Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Water Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Condensate Drain Pans . . . . . . . . . . . . . . . . . . . . . . . . . 39

Refrigerant System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Condensate Drain Cleaning . . . . . . . . . . . . . . . . . . . . . 39

Air Coil Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Condenser Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Checking System Charge . . . . . . . . . . . . . . . . . . . . . . . 40

Refrigerant Charging. . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Air Coil Fan Motor Removal . . . . . . . . . . . . . . . . . . . . . 40

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . 40-43

Thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Control Sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

50VQP START-UP CHECKLIST . . . . . . . . . . . CL-1,CL-2

IMPORTANT: Read the entire instruction manual before starting installation.

SAFETY CONSIDERATIONS

Installation and servicing of air-conditioning equipment can be hazardous due to system pressure and electrical compo- nents. Only trained and qualified service personnel should install, repair, or service air-conditioning equipment.

Untrained personnel can perform basic maintenance func- tions of cleaning coils and filters and replacing filters. All other operations should be performed by trained service personnel. When working on air-conditioning equipment, observe precau- tions in the literature, tags and labels attached to the unit, and other safety precautions that may apply.

Improper installation, adjustment, alteration, service, main- tenance, or use can cause explosion, fire, electrical shock or other conditions which may cause personal injury or property damage. Consult a qualified installer, service agency, or your distributor or branch for information or assistance. The qualified installer or agency must use factory-authorized kits or accessories when modifying this product. Refer to the individ- ual instructions packaged with the kits or accessories when installing.

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

Catalog No. 04-53500080-01

Printed in U.S.A.

Form 50VQP-C1SI

Pg 1

11-10

Replaces: New

Image 1
Contents Safety Considerations ContentsGeneral Installation406 50VQP Unit Physical Data442 782A50-8436 50VQP084-150 Unit DimensionsA50-8437 50VQP168-300 Unit DimensionsA50-8467 A50-8466A50-8468 A50-8470 A50-8469A50-8471 A50-8472A50-8477 A50-8476A50-8478 A50-8479A50-8485 A50-8482A50-8483 A50-8484Trap Condensate Drain A50-8486Field Power Supply Wiring Water Quality Guidelines 50VQP084-168 Unit with Complete C Control Typical A50-843850VQP084-168 with Deluxe D Control Typical A50-8439J6J5 AL1J1 J8 50VQP Unit Electrical Data Standard Unit 50VQP Unit Electrical Data Dual Point Power UnitPRE-START-UP Field Control WiringA50- 6268tf.tif A50-8441Page 50VQP084 Blower Performance Data 50VQP096 Blower Performance Data 421 459 499 533 569 600 633 663 691 722 749 412 455 492 526 563 595 628 658 687 718 745441 478 513 549 581 614 644 672 703 730 759 456 495 529 561 595 625 656 685 712 741 76750VQP120 Blower Performance Data 526 561 592 621 649 679 706 732 758 785 809 833 857 882 511 544 578 608 637 668 695 722 748 776 800 825 849 874 897544 575 605 633 661 691 717 742 767 794 818 842 867 890 555 589 618 646 676 702 728 753 779 803 827 850 875 89850VQP150 Blower Performance Data 598 623 656 687 715 744 772 799 825 850 872 896 919 942 963 581 613 646 678 706 735 763 791 817 842 867 889 912 935 958605 637 666 697 727 755 783 809 835 858 882 905 928 951 973 618 647 678 708 738 766 793 819 844 867 891 914 937 959 98050VQP168 Blower Performance Data 50VQP192 Blower Performance Data BkW 3020.8 Sheave/Mtr 50VQP240 Blower Performance Data 605 633 660 689 714 739 763 790 813 836 858 882 904 50VQP300 Blower Performance Data 553 588 620 653 685 715 744 771 796 822 847 872 896 538 574 609 640 673 703 733 761 788 812 838 863 888 912568 602 633 666 697 726 755 782 806 832 857 881 904 581 613 646 678 706 735 763 791 817 842 867 889Deluxe D Control Jumper Settings See Fig Complete C Control Jumper Settings See FigField Selectable Inputs DIP Switch Block S2 Accessory 2 Relay Options DIP Switch Block S2 Accessory 1 Relay OptionsSTART-UP Operating LimitsUnit Start-Up Heating Mode Unit Start-Up Cooling ModeWater Temperature Change Through Heat Exchanger 50VQP Unit Operating LimitsAntifreeze Percentages by Volume Approximate Fluid Volume L Per 30 M of PipeOperation Coaxial Water Pressure DropUnits with Aquazone Deluxe D Control Units with Aquazone Complete C ControlComplete C and Deluxe D Board System Test Complete C Control LED Code Fault Descriptions Aquazone Deluxe D Control LED Indica ServiceRefrigerant Charging TroubleshootingAir Coil Fan Motor Removal FP1 and FP2 Thermistor Location A50-8163Troubleshooting Unit Does Not Operate Page Page Catalog No Form 50VQP-C1SI 11-10 Copyright 2010 Carrier CorporationII. START-UP 50VQP START-UP ChecklistBook Catalog No Form 62AQ-1SI Pg CL-1 Replaces New TabCooling Cycle Analysis Heating Cycle Analysis