Table of Contents
Advertisement
Quick Links
INSTALLATION
INSTRUCTIONS
Earth Loop Fluid
Temperatures 25° - 110°
Ground Water Temperatures 45° - 75°
BARD MANUFACTURING COMPANY
Bryan, Ohio 43506
Since 1914...Moving ahead, just as planned.
WATER SOURCE
HEAT PUMP
:
WPV48D
MODELS
WPV60D
MIS-658
Manual:
2100-250G
Supersedes: 2100-250F
File:
Volume I, Tab 8
Date:
09-25-01
Copyright 2001
Advertisement
Table of Contents
Related Manuals for Bard WPV48D
Summary of Contents for Bard WPV48D
-
Page 1: Heat Pump
MODELS WPV60D MIS-658 Earth Loop Fluid Temperatures 25° - 110° Ground Water Temperatures 45° - 75° Manual: 2100-250G BARD MANUFACTURING COMPANY Supersedes: 2100-250F Bryan, Ohio 43506 File: Volume I, Tab 8 Date: 09-25-01 Since 1914...Moving ahead, just as planned. Copyright 2001... -
Page 2: Table Of Contents
CONTENTS Open Loop (Well System Application) Application and Location Water Connections ..........13 General ..............2 Well Pump Sizing ..........14 Shipping Damage ........... 2 System Start Up Procedure ........14 Application .............. 2 Water Corrosion ........... 15 Location ..............2 Remedies of Water Problems ....... -
Page 3: Table 1 Specifications
TABLE 1 SPECIFICATIONS a t l i n i t i u y t i . t k . r k l a t t i n s t l . t k / . t TABLE 3 TABLE 2 INDOOR BLOWER PERFORMANCE WATER COIL PRESSURE DROP (CFM –... -
Page 4: Application And Location
APPLICATION AND LOCATION GENERAL Units are shipped completely assembled and internally wired, requiring only duct connections, thermostat wiring, 230-208 volt AC power wiring, and water piping. The equipment covered in this manual is to be installed by trained, experienced service and installation technicians. Any heat pump is more critical of proper refrigerant charge and an adequate duct system than a cooling only air conditioning unit. -
Page 5: Filter
FILTER This unit must not be operated without a filter. It comes equipped with a disposable filter which should be checked often and replaced if dirty. Insufficient air flow due to undersized duct systems or dirty filters can result in nuisance tripping of the high or low pressure control. Refer to Table 1 for correct air flow and static pressure requirements. -
Page 6: Wiring
WIRING All electrical connections are made through the top of the unit. High voltage connections are made with wire nuts to the factory-provided pigtail leads in the junction box. Low voltage connections are made to the terminal strip mounted on the top of the unit. Refer to the wiring diagram for connecting the terminals. MAIN POWER Refer to the unit serial plate for wire sizing information and correct protection size. -
Page 7: Table 4 Accessory Items - Duct Heaters
TABLE 4 ACCESSORY ITEMS – DUCT HEATER (SEE FIGURE 4) Use wire suitable for at least 75° C. Fused units (over 48 amperes). NOTE: All duct heaters are supplied with backup protection and internal fusing as required by NEC. FIGURE 4 DUCT HEATER wpv2.tif The following is a verbal description of the proper procedure for connecting the low voltage hookups for the... -
Page 8: Accessories
ACCESSORIES ADD-ON DPM26A PUMP MODULE KIT NOTE: This section applies only if a DPM26A Pump Module is added. Refer to DPM26A instructions for complete installation details. GENERAL This high efficiency water source heat pump series was designed with a refrigerant to water heat exchanger commonly know as a desuperheater coil factory-installed for ease in installing optional DPMA pump module kit. -
Page 9: Closed Loop
Insufficient flow through the heat exchanger is one of the most common causes of system failure. Proper system piping design and circulator selection will eliminate this problem. Bard supplies a worksheet to simplify head loss calculations and circulator selection. Refer to "Circulating Pump Worksheet" section in manual 2100-099. - Page 10 7. PE or PB pipe to fit transition 8. One inch reinforced flexible hose 9. 90º street ell (brass) 10. Flow meter (Bard part No. 8603-017)--or equivalent side to monitor water flow is recommended. Manual 2100-250 Page 8...
-
Page 11: Heat Pump Connections Without Pump Kit
HEAT PUMP CONNECTIONS WITHOUT PUMP KIT The units have various female connections inside on water coil. To keep losses small, all piping and components in the heat pump should be one inch copper or plastic. The transition to one inch pipe should be made at the exterior of the heat pump if 3/4 inch piping is used in small heat pump models. -
Page 12: Figure 10 Pump Module Hookup
FIGURE 10 PUMP MODULE HOOKUP GPM-1 WITHOUT CABINET SHOWN GROUND LOOP GROUND LOOP WATER IN WATER OUT HEAT PUMP WATER OUT COMPRESSOR WATER OUT (PRESSURE - TEMPERATURE TEST PLUG) WATER IN (PRESSURE - TEMPERATURE TEST PLUG) PIPING ACCESS PANEL (MAY BE INSTALLED AS SHOWN OR ON INSTALL 1.750 SNAP BUSHING LEFT OR RIGHT SIDE OF UNIT. -
Page 13: Figure 12 Pump Module Hookup Performance
FIGURE 12 PUMP MODULE HOOKUP FLOW (GPM) FIGURE 13 PRESSURE AND TEMPERATURE SENSING ADAPTER AND COMPONENTS FLOW (GPM) wpv20.tif Manual 2100-250 Page 11... -
Page 14: System Start Up Procedure
SYSTEM START UP PROCEDURE 1. Be sure main power to the unit is OFF at disconnect. 2. Set thermostat system switch to OFF, fan switch to AUTO. 3. Move main power disconnect to ON. Except as required for safety while servicing, DO NOT OPEN THE UNIT DISCONNECT SWITCH. -
Page 15: Table 5 Constant Low Valves
OPEN LOOP (Well System Applications) NOTE: Low temperature thermostat factory set to 25º for open loop applications. It is very important that an adequate supply of clean, noncorrosive water at the proper pressure be provided before the installation is made. Insufficient water, in the heating mode for example, will cause the low temperature control to trip, shutting down the heat pump. -
Page 16: Well Pump Sizing
FIGURE 14 WATER CONNECTION COMPONENTS WATER IN MIS-1624 WATER OUT WELL PUMP SIZING Strictly speaking, sizing the well pump is the responsibility of the well drilling contractor. It is important, however, that the HVAC contractor be familiar with the factors that determine what size pump will be required. Rule of thumb estimates will invariably lead to under or oversized well pumps. -
Page 17: Water Corrosion
4. Check system air flow for obstructions. A. Move thermostat fan switch to ON. Blower runs. B. Be sure all registers and grilles are open. C. Move thermostat fan switch to AUTO. Blower should stop. 5. Fully open the manual inlet and outlet valves. 6. -
Page 18: Remedies Of Water Problems
There are four main water quality problems associated with ground water. These are: 1. Biological Growth. This is the growth of microscopic organisms in the water and will show up as a slimy deposit through out the water system. Shock treatment of the well is usually required and this is best left up to the well driller. -
Page 19: Lake And Pond Installations
LAKE AND POND INSTALLATIONS Lakes and ponds can provide a low cost source of water for heating and cooling with a ground water heat pump. Direct usage of the water without some filtration is not recommended as algae and turbid water can foul the water to freon heat exchanger. -
Page 20: Figure 16 Water Well System
FIGURE 16 WATER WELL SYSTEM WELL CAP ELECTRICAL LINE PITLESS ADAPTER TO PRESSURE TANK WATER SUPPLY LINE 15' TO 20' DEEP DROP PIPE GRAVEL FILL LAKE PERFORATED WATER LEVEL PLASTIC CASING POND 12' to 15" SUBMERSIBLE PUMP MIS-1607... -
Page 21: Sequence Of Operation
SEQUENCE OF OPERATION 1. COOLING WITH OR WITHOUT DUCT HEATERS Whenever the system lever is moved to COOL, thermostat system switch completes a circuit R to O, energizing the reversing valve solenoid. On a call for cooling, the cooling bulb completes a circuit from R to G, energizing the blower relay coil. -
Page 22: Figure 17 Functional Components
FIGURE 17 MIS-096 FIGURE 18 wpv13.tif Manual 2100-250 Page 20... -
Page 23: Figure 19 Water Source Heat Pump - Cooling Cycle
FIGURE 19 WATER SOURCE HEAT PUMP COOLING CYCLE MIS-1229 Manual 2100-250 Page 21... -
Page 24: Figure 20 Water Source Heat Pump - Heating Cycle
FIGURE 20 WATER SOURCE HEAT PUMP HEATING CYCLE MIS-1228 Manual 2100-250 Page 22... - Page 25 CAPACITY AND EFFICIENCY APPLICATION RATINGS BASED ON 15% SODIUM CHLORIDE TABLES 6A - 6B MODEL WPV48D 1,550 CFM TABLE 6A 9 GPM l a t n i l n i l l a t l a t n i l...
-
Page 26: Table 7 Capacity Multiplier Factors
TABLE 7 CAPACITY MULTIPLIER FACTORS l a t TABLE 8 CORRECTION FACTORS FOR PERFORMANCE AT OTHER WATER FLOWS TABLE 9 FLOW RATES FOR VARIOUS FLUIDS Manual 2100-250 Page 24... -
Page 27: Table 10 Pressure Table - Cooling
TABLES 10 & 10A PRESSURE TABLES COOLING Fluid Temperature Entering Water Coil °F ° 0 ° 5 ° 0 ° 5 ° 0 ° 5 ° 0 ° 5 ° 0 ° 5 ° 0 ° 5 ° 0 ° 5 °... -
Page 28: Quick Reference Trouble-Shooting Chart
QUICK REFERENCE TROUBLE SHOOTING CHART FOR WATER TO AIR HEAT PUMP POWER SUPPLY WATER COIL SECTION INDOOR SECTION AUX. Water Rev. Indoor Blower Motor Line Voltage Control Circuit Compressor Refrigerant System Solenoid Valve Water Coil and Coil Heat Gen. ˜ DENOTES COMMON CAUSE Ð... -
Page 29: Thermostat Diagrams
THERMOSTAT DIAGRAMS Manual 2100-250 Page 27... -
Page 30: Wiring Diagrams
Manual 2100-250 Page 28... - Page 31 Manual 2100-250 Page 29...
- Page 32 Manual 2100-250 Page 30...
-
Page 33: Ground Source Heat Pump Performance Report
GROUND SOURCE HEAT PUMP PERFORMANCE REPORT This performance check report should be filled out by installer and retained with unit. DATE: TAKEN BY: 1. OUTDOOR UNIT: Mfgr. Model No. INDOOR UNIT (Split System): Mfgr. Model No. 2. Person Reporting 3. Company Reporting 4. - Page 34 THE FOLLOWING INFORMATION IS NEEDED TO CHECK PERFORMANCE OF UNIT FLUID SIDE DATA Cooling Heating 9. Entering fluid temperature 10. Leaving fluid temperature 11. Entering fluid pressure PSIG 12. Leaving fluid pressure PSIG 13. Pressure drop through coil PSIG 14. Gallons per minute through the water coil 15.