Carrier Aquazone PTD026-072- User Manual
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Table of Contents:
- Page 2 – NOTE: It is the responsibility of the purchaser to file all
- Page 4 – AIRFLOW CONFIGURATION
- Page 5 – Fig. 2 — Typical Installation — 50PTH Unit; UNIT HANGER ISOLATION DETAIL
- Page 6 – Fig. 3 — 50PTV Dimensional Data
- Page 7 – Fig. 4 — 50PTD Dimensional Data
- Page 8 – Step 3 — Locate Unit —; Fig. 5 — Typical Vertical Installation — 50PTV Unit; Side Discharge to Back Discharge
- Page 9 – Fig. 9 — 50PTV Units Mounted With
- Page 10 – Step 7 — Pipe Connections —; not; Fig. 11 — Trap Condensate Drain; NOTE: Unit does not need to be sloped toward drain.; Fig. 12 — Vertical Condensate Connection; Fig. 10 — Horizontal Unit Pitch
- Page 11 – Pressure; Fig. 13 — Typical Ground-Water Piping Installation
- Page 12 – Step 8 — Wire Field Power Supply; NR; WARNING
- Page 20 – LEGEND
- Page 23 – — WSHP Op
- Page 24 – Table 6 — SPT Sensors; view; Table 7 — Rnet Wiring Specifications
- Page 25 – Table 8 — Rnet Wiring; Step 9 — Wire Field Controls; only; Fig. 26 — Rnet Cable Wire; OUTER JACKET
- Page 26 – THERMO
- Page 27 – Step 10 — Operate ECM Interface Board; Table 9 — Cooling Settings; CAUTION; Fig. 32 — ECM Interface Board Physical Layout
- Page 28 – Table 13 — Blower Performance Data; Fan Only
- Page 29 – System Checkout —
- Page 32 – Table 17 — HWR Operating Modes
- Page 33 – Operating Limits; Table 18 — Operating Limits —; Fig. 33 — HWR Schematic
- Page 34 – Table 19 — Water Temperature Change; DB; HWG —; Hot Water Generator
- Page 36 – Unit Start-Up with WSHP Open Controls —; Display Interface
- Page 37 – Flow Regulation —; Table 24 — Coaxial Water Pressure Drop; Flushing —
- Page 38 – Table 26 — Antifreeze Percentages by Volume; Cooling Tower/Boiler Systems —; Internal Pipe Size
- Page 39 – Units with WSHP Open Multiple Protocol —
- Page 42 – Heating; COMPLETE C AND DELUXE D BOARD; Table 27 — Complete C Control Current LED
- Page 43 – WSHP Open Test Mode —; Retry Mode —
- Page 46 – WSHP Open Controller —; Thermostatic Expansion Valves —; Fig. 37 — Thermistor Nominal Resistance; Fig. 38 — FP1 and FP2 Thermistor Location
- Page 48 – Table 30 — ECM Troubleshooting
- Page 49 – Fig. 39 — ECM Pin Connectors
- Page 50 – Stopped or Malfunctioned ECM Motor —; Refer; Fig. 40 — ECM Troubleshooting Flow Diagram
- Page 51 – Moisture Check —; To perform moisture check:; Table 31 — Good Practices; DO
- Page 52 – LED; Reversing Valve; TXV; Thermostatic Expansion Valve
- Page 54 – APPENDIX A — WSHP OPEN SCREEN CONFIGURATION
- Page 55 – APPENDIX A — WSHP OPEN SCREEN CONFIGURATION (cont)
- Page 57 – APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont)
- Page 64 – HEATING CYCLE ANALYSIS; = SUCTION TEMPERATURE – SUCTION SATURATION TEMPERATURE; SUBCOOLING; = DISCHARGE SATURATION TEMPERATURE – LIQUID LINE TEMPERATURE
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53500079-01
Printed in U.S.A.
Form 50PT-4SI
Pg 1
7-10
Replaces: 50PT-3SI
Installation, Start-Up, and Service Instructions
CONTENTS
Page
SAFETY CONSIDERATIONS
. . . . . . . . . . . . . . . . . . . . . 1,2
GENERAL
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
INSTALLATION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-29
Step 1 — Check Jobsite
. . . . . . . . . . . . . . . . . . . . . . . . . . 2
Step 2 — Check Unit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
• STORAGE
• PROTECTION
• INSPECT UNIT
Step 3 — Locate Unit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
• FIELD CONVERSION OF DISCHARGE AIR
Step 4 — Mount the Unit
. . . . . . . . . . . . . . . . . . . . . . . . . 9
• HORIZONTAL UNIT
• VERTICAL UNITS
Step 5 — Check Duct System
. . . . . . . . . . . . . . . . . . . . 9
• SOUND ATTENUATION
• EXISTING DUCT SYSTEM
Step 6 — Install Condensate Drain
. . . . . . . . . . . . . . . 9
• HORIZONTAL UNIT
• VERTICAL UNITS
• VENTING
Step 7 — Pipe Connections
. . . . . . . . . . . . . . . . . . . . . 10
• WATER LOOP APPLICATIONS
• GROUND-WATER APPLICATIONS
• GROUND-LOOP APPLICATIONS
• INSTALLATION OF SUPPLY AND RETURN HOSE
KIT
Step 8 — Wire Field Power Supply
. . . . . . . . . . . . . . 12
• POWER CONNECTION
• SUPPLY VOLTAGE
• 208-VOLT OPERATION
• 460-VOLT OPERATION
• WSHP OPEN WIRING
Step 9 — Wire Field Controls
. . . . . . . . . . . . . . . . . . . . 25
• THERMOSTAT CONNECTIONS
• WATER FREEZE PROTECTION
• AIR COIL FREEZE PROTECTION
• ACCESSORY CONNECTIONS
• WATER SOLENOID VALVES
Step 10 — Operate ECM Interface Board
. . . . . . . . 27
• STANDALONE — NO DDC CONTROLS
• WSHP OPEN CONTROLS
PRE-START-UP
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29,30
System Checkout
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
FIELD SELECTABLE INPUTS
. . . . . . . . . . . . . . . . . 30-33
Complete C Control Jumper Settings
. . . . . . . . . . . . 30
Deluxe D Control Jumper Settings
. . . . . . . . . . . . . . 30
Complete C Control DIP Switches
. . . . . . . . . . . . . . . 30
Deluxe D Control DIP Switches
. . . . . . . . . . . . . . . . . . 30
Units with Modulating Hot Water Reheat
(HWR) Option
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
• STANDALONE — NO DDC CONTROLS
• WSHP OPEN CONTROLS
• HWR APPLICATION CONSIDERATIONS
• HWR COMPONENT FUNCTIONS
Deluxe D Control Accessory
Relay Configurations
. . . . . . . . . . . . . . . . . . . . . . . . . 32
Page
START-UP
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-38
Operating Limits
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Scroll Compressor Rotation
. . . . . . . . . . . . . . . . . . . . . 34
Unit Start-Up Cooling Mode
. . . . . . . . . . . . . . . . . . . . . 34
Unit Start-Up Heating Mode
. . . . . . . . . . . . . . . . . . . . . 34
Unit Start-Up with WSHP Open Controls
. . . . . . . . 36
Flow Regulation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Flushing
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Antifreeze
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Cooling Tower/Boiler Systems
. . . . . . . . . . . . . . . . . . 38
Ground Coupled, Closed Loop and Plateframe
Heat Exchanger Well Systems
. . . . . . . . . . . . . . . . 38
OPERATION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38-42
Power Up Mode
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Units with Aquazone™ Complete C Control
. . . . . 39
Units with Aquazone Deluxe D Control
. . . . . . . . . . 39
Units with WSHP Open Multiple Protocol
. . . . . . . . 39
COMPLETE C AND DELUXE D BOARD
SYSTEM TEST
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42,43
Test Mode
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
WSHP Open Test Mode
. . . . . . . . . . . . . . . . . . . . . . . . . . 43
Retry Mode
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Aquazone Deluxe D Control LED Indicators
. . . . . 43
SERVICE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44,45
Filters
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Water Coil
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Condensate Drain Pans
. . . . . . . . . . . . . . . . . . . . . . . . . 44
Refrigerant System
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Compressor
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Fan Motors
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Condensate Drain Cleaning
. . . . . . . . . . . . . . . . . . . . . 44
Air Coil Cleaning
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Condenser Cleaning
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Checking System Charge
. . . . . . . . . . . . . . . . . . . . . . . 45
Refrigerant Charging
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Air Coil Fan Motor Removal
. . . . . . . . . . . . . . . . . . . . . 45
Replacing the WSHP Open Controller’s
Battery
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
TROUBLESHOOTING
. . . . . . . . . . . . . . . . . . . . . . . . 45-53
Thermistor
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Control Sensors
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
WSHP Open Controller
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Thermostatic Expansion Valves
. . . . . . . . . . . . . . . . . . 46
Stopped or Malfunctioned ECM Motor
. . . . . . . . . . . . 50
Moisture Check
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
APPENDIX A — WSHP OPEN SCREEN
CONFIGURATION
. . . . . . . . . . . . . . . . . . . . . . . . . . 54-59
50PTH,PTV,PTD START-UP
CHECKLIST
. . . . . . . . . . . . . . . . . . . . . . . . . . CL-1, CL-2
SAFETY CONSIDERATIONS
Installation and servicing of air-conditioning equipment can
be hazardous due to system pressure and electrical
IMPORTANT: Read the entire instruction manual before
starting installation.
AQUAZONE™
50PTH, PTV, PTD026-072
Two-Stage Water Source Heat Pumps
with PURON
®
Refrigerant (R-410A)
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Summary
2 components. Only trained and qualified service personnel should install, repair, or service air-conditioning equipment. Untrained personnel can perform basic maintenance func- tions such as cleaning coils and filters and replacing filters. All other operations should be performed by trained servic...
4 Y Confi g uration - Left Return/Back Di s char g e W Confi g uration - Left Return/Ri g ht Di s char g e - Air Coil Openin g W Confi g uration - Left Return/Ri g ht Di s char g e - Air Coil Openin g P Confi g uration - Ri g ht Return/Back Di s char g e - Air Coil Openin g N Confi g uration - Ri g ...
5 Field-SuppliedElectric Heat(if applicable) Filter Access Integral hanger support-pre-attached in factory Field-supplied transition tominimize pressure loss 3/8” threaded rods (by others) Return Air(Ductworknot shown) Thermostat Wiring Power Wiring Balancing Valve (field-installed accessory) Stainl...