Carrier Aquazone PTD026-072- Manuals

6 K - Configuration - Right Return /Top Discharge (Top View) K - Configuration - Right Return - Air Coil Opening (Right Side View) J - Configuration - Left Return - Air Coil Opening (Left Side View) Front View Isometric View J - Configuration - Left Return /Top Discharge (Top View) ASP CSP Front Bac...

7 NOTES:1. Condensate connection is stainless steel 3 / 4 in. female pipe thread (FPT). 2. Unit shipped with top and bottom filter rack and is not suitable for duct connection without additional support. 3. Downflow unit does not have discharge flange, and is rated for zero clearance installation.4....

8 Step 3 — Locate Unit — The following guidelines should be considered when choosing a location for a WSHP:• Units are for indoor use only.• Locate in areas where ambient temperatures are between 39 F and 102 F and relative humidity is no greater than 75%. • Provide sufficient space for water, elect...

9 5. Check refrigerant tubing for contact with other compo- nents. Adjust if necessary. 6. Reinstall top panel using screws set aside in Step 1. NOTE: Location for some screws at bottom of discharge panel may have to be changed. 7. Manually spin fan wheel to check for obstructions. Adjust for any ob...

10 Each unit must be installed with its own individual vent and means to flush or blow out the condensate drain line. Do not in- stall units with a common trap or vent. VENTING — Install a vent in the condensate line of any application that may allow dirt or air to collect in the line. Con- sider th...

11 Water Supply and Quantity — Check water supply. Water supply should be plentiful and of good quality. See Table 2 for water quality guidelines. In all applications, the quality of the water circulated through the heat exchanger must fall within the ranges listed in the Water Quality Guidelines ta...

12 Table 2 — Water Quality Guidelines LEGEND *Heat exchanger materials considered are copper, cupronickel, 304 SS (stainless steel), 316 SS, titanium. †Closed recirculating system is identified by a closed pressurized piping system. **Recirculating open wells should observe the open recirculating de...

20 *O pti onal Wir ing. AL — A lar m Rela y Con ta c ts AST A T — A quast a t BM — Blo w e r M o to r BMC — B lo w er Mot o r Capacit or BR — B lo w er Rela y CB — Cir c u it Bre a k e r CC — Comp ressor Cont acto r CO — S ensor , Co ndensat e Ov erf lo w DTS — Dischar ge T e mper atu re Swit ch EC ...

23 01220 7 -1 B T 4 8 5BT LED 1 DB In s t a ll B T 4 8 5 where de vi ce i s loc a ted a t the en d o f n e twor k s eg me nt o n ly . + 24 v a c (If n o t in s t a lled , it m us t b e con nect ed to DO-5) DE HUMIDIFY OUTP UT CO NTA CT (DO-6) (F A C TORY O P TION ) FA N S P E E D (DO-7) (ME D O R LO...

24 WSHP OPEN WIRING — The WSHP Open controller will be factory mounted to the unit control panel and wired to the Complete C or Deluxe D control board, however, the system wiring will need to be completed utilizing WSHP Open con- troller wiring diagrams and the Third Party Integration (TPI) Guide. F...

25 To wire the SPT sensor to the controller: 1. Partially cut , then bend and pull off the outer jacket of the Rnet cable(s), being careful not to nick the inner insulation. 2. Strip about 1 / 4 in. of the inner insulation from each wire. See Fig. 26. 3. Wire each terminal on the sensor to the same ...

26 TYPICALWATERVALVE C A 24 VAC TERMINAL STRIP P2 Fig. 27 — Low Voltage Field Wiring AQUAZONE CONTROL (Complete C Shown) Fig. 28 — Typical Aquazone™ Control Board Jumper Locations Fig. 29 — Typical Accessory Wiring a50-8141 COMPLETE C CONTROL CAPACITOR LINE LO AD COMPRE SS OR CONTACTOR TRAN S FORMER...

27 Step 10 — Operate ECM Interface Board STANDALONE — NO DDC CONTROLS — The ECM fan is controlled by an interface board that converts thermostat inputs and field selectable cfm settings to signals used by the ECM (electronically commutated motor) controller. See Fig. 32.NOTE: Power must be off to th...

28 Table 13 — Blower Performance Data WSHP OPEN CONTROLS — The ECM fan is controlled by an interface board that converts the fan speed outputs from the WSHP Open control board to the signal used by the ECM mo- tor (see Fig 35). The indicator LEDs allow the service techni- cian to view the airflow mo...

29 Table 14A — WSHP Open — Fan Only / Low Fan and Med Fan Airflow NOTE: Factory default setting shown bold . IMPORTANT: The tap setting for high fan MUST equal or exceed thetap setting for fan only/low/med fan Table 14B — WSHP Open — High Fan Airflow NOTE: Factory default setting shown bold . IMPORT...

32 ground loop systems will not experience overcooling of the supply-air temperature. If overcooling of the space is a con- cern (e.g., computer room well water application), auxiliary heating may be required to maintain space temperature when the unit is operating in the dehumidification mode. Wate...

33 START-UP Use the procedure outlined below to initiate proper unit start-up.NOTE: This equipment is designed for indoor installation only. Operating Limits ENVIRONMENT — This equipment is designed for indoor installation ONLY. Extreme variations in temperature, humidi- ty and corrosive water or ai...

34 Scroll Compressor Rotation — It is important to be certain compressor is rotating in the proper direction. To determine whether or not compressor is rotating in the proper direction: 1. Connect service gages to suction and discharge pressure fittings. 2. Energize the compressor. 3. The suction pr...

36 Unit Start-Up with WSHP Open Controls — The WSHP Open is a multi-protocol (default BACnet*) con- troller with extensive features, flexible options and powerful capabilities. The unit comes from the factory pre-programmed and needs minimal set up to function in a BAS (Building Automation System) s...

37 f. Press OK to apply and save to a particular day of the week. g. Continue to add the same or different schedule spe- cific days of the week.To add exceptions to the schedule:i. Press Add softkey.ii. Select exception type from following: • Date • Date Range • Week-N-Day • Calender Reference 9. Go...

38 Table 25 — Approximate Fluid Volume (gal.) per 100 Ft of Pipe LEGEND NOTE: Volume of heat exchanger is approximately 1.0 gallon. Table 26 — Antifreeze Percentages by Volume Cooling Tower/Boiler Systems — These systems typically use a common loop temperature maintained at 60 to 95 F. Carrier recom...

39 Output EH1, EH2, Fan Enable, and Fan Speed will be ON if the G input is not active during Emergency Heat mode.COOLING STAGE 1 — In Cooling Stage 1 mode, the Fan Enable, compressor and RV relays are turned on immediately. If configured as stage 2 (DIP switch set to OFF) then the com- pressor and f...

42 vide cooling to the space when required. Should the capacity be insufficient for a period greater than 5 minutes, or should a high humidity condition occur, then the compressor will be started to satisfy the load. Should the SAT reach the minimum cooling SAT limit, the economizer valve will close...

43 WSHP Open Test Mode — To enter WSHP Open test mode, navigate from the BAC view 6 home screen to the config- uration screen. Choose the service screen and enable unit test. The controller will then test the following:FAN TEST — Tests all fan speeds, sequences fan from low to high, and operates eac...

46 WSHP Open Controller — With the WSHP Open con- troller option, the 100 most recent alarms can be viewed using the BAC view 6 alarm status and alarm history. To view the alarms: 1. Navigate to the Alarm Status screen from the Home screen using the arrow softkeys. The screen will display the curren...

48 See Tables 30-32 for additional troubleshooting information. Table 30 — ECM Troubleshooting CAUTION Puron ® refrigerant (R-410A) requires the use of synthetic lubricant (POE oil). Do not use common tools on systems that contain R-22 refrigerants or mineral oil. Contamina- tion and failure of this...

50 Stopped or Malfunctioned ECM Motor — Refer to Fig. 40 to determine the possible cause of a stopped or mal- functioned ECM motor. Follow the instructions in the boxes. Fig. 40 — ECM Troubleshooting Flow Diagram a50-8447

51 Moisture Check — To perform moisture check: • Check that connectors are orientated “down” (or as recom- mended by equipment manufacturer). • Arrange harnesses with “drip loop” under motor. • Check if condensate drain is plugged. • Check for low airflow (too much latent capacity).• Check for under...

52 Table 32 — WSHP Troubleshooting (cont) LEGEND FAULT HEATING COOLING POSSIBLE CAUSE SOLUTION Over/Under Voltage —Code 7 (Auto Resetting) X X Under voltage Check power supply and 24 vac voltage before and during operation. Check power supply wire size. Check compressor starting. Check 24 vac and un...

54 APPENDIX A — WSHP OPEN SCREEN CONFIGURATION LEGEND SCREEN NAME POINT NAME PASSWORD LEVEL EDITABLE RANGE DEFAULT NOTES Equipment Status Operating Mode No Password Required Off, Fan Only, Economize, Cooling, Heating, Cont Fan, Test, Start Delay, Dehumidify Displays unit operating mode SPT F Display...

55 APPENDIX A — WSHP OPEN SCREEN CONFIGURATION (cont) LEGEND SCREEN NAME POINT NAME PASSWORD LEVEL EDITABLE RANGE DEFAULT NOTES Unit Maintenance Operating Mode No Password required Off, Fan Only,Economize, Cooling, Heating, Cont Fan, Test, Start Delay, Dehumidify Displays unit operating mode Fan Ope...

57 APPENDIX A — WSHP SCREEN OPEN CONFIGURATION (cont) LEGEND SCREEN NAME POINT NAME PASSWORD LEVEL EDITABLE RANGE DEFAULT NOTES Configuration Unit Configuration Fan Mode Admin Password level access only X Auto/Continuous/ Always On Continuous Auto= Intermittant operation during both occupied and uno...

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 CL-2 7-10 Replaces: 50PT-3SI Copyright 2010 Carrier Corporation - - - - - - - - - - - - - -...