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INSTALLATION
INSTRUCTIONS
Ground Water Temperatures 45° - 75°
WATER SOURCE
HEAT PUMPS
Models:
Earth Loop Fluid
Temperatures 25° - 110°
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
Since 1914...Moving ahead, just as planned.
GSVS242-A, GSVS302-A
GSVS361-A, GSVS421-A
GSVS481-A, GSVS601-A
Manual:
Supersedes: 2100-317
File:
Date:
2100-317J
I
Volume I, Tab 8
05-16-08
Manual
2100-317J
Page
1 of 39
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Table of Contents
Troubleshooting
Related Manuals for Bard GSVS242-A
Summary of Contents for Bard GSVS242-A
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Page 1: Installation Instructions
GSVS242-A, GSVS302-A Models: GSVS361-A, GSVS421-A GSVS481-A, GSVS601-A Earth Loop Fluid Temperatures 25° - 110° Ground Water Temperatures 45° - 75° Bard Manufacturing Company, Inc. Manual: 2100-317J Bryan, Ohio 43506 Supersedes: 2100-317 File: Volume I, Tab 8 Since 1914...Moving ahead, just as planned. -
Page 2: Table Of Contents
CONTENTS Getting Other Informations and Publications ..3 Open Loop (Well System Applications) Note .............. 21 General Information Water Connection ..........21 Water Source Nomenclature ........4 Well Pump Sizing .......... 21 & 22 Heater Package Nomenclature ....... 8 Start Up Procedure for Open Loop System ... 23 Water Corrosion .......... -
Page 3: Getting Other Informations And Publications
GETTING OTHER INFORMATION AND PUBLICATIONS These publications can help you install the air FOR MORE INFORMATION, CONTACT conditioner or heat pump. You can usually find these at THESE PUBLISHERS: your local library or purchase them directly from the publisher. Be sure to consult current edition of each ACCA Air Conditioning Contractors of America standard. -
Page 4: General Information Water Source Nomenclature
WATER SOURCE PRODUCT LINE NOMENCLATURE Electrical Characteristics A = 230/208-60-1 Modification Code Approximate Capacity Size On High Speed Single Capacity Compressor Vertical Ground Source Heat Pump TABLE 1 1 INDOOR BLOWER PERFORMANCE (RATED CFM) f r i 1 Motor will deliver consistent CFM through voltage supply range with no deterioration (197-253V for all 230/208V models). -
Page 5: Table 2 Flow Rates For Various Fluids
Manual 2100-317J Page 5 of 39... -
Page 6: Table 4 Water Coil Pressure Drop
TABLE 4 WATER COIL PRESSURE DROP - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -... -
Page 7: Figure 1 Unit Dimensions
Manual 2100-317J Page 7 of 39... -
Page 8: Heater Package Nomenclature
HEATER PACKAGE NOMENCLATURE C = Circuit Breaker Nominal KW A = 240/208-1-60 Modification Code GSV = Ground Source Vertical 3 = 3 Ton 5 = 5 Ton Electric Heater TABLE 5 ELECTRICAL SPECIFICATIONS l e i e l l l e i e l l + Based on 75F copper wire. -
Page 9: Application And Location
APPLICATION AND LOCATION compressor compartment and re-securing the control GENERAL panel on the opposite side of the water coil. (See Figure Units are shipped completely assembled and internally 2.) The two (2) access doors from the right hand return wired, requiring only duct connections, thermostat can be transferred to the left-hand return side and the wiring, 230/208 volt AC power wiring, and water one (1) left hand panel can be transferred to the right... -
Page 10: Figure 2 Field-Conversion To Left Hand Return
FIGURE 2 FIELD-CONVERSION TO LEFT HAND RETURN REMOVE SINGLE AND DOUBLE DOORS 1 REMOVE 4 SCREWS SECURING COVER 2 REMOVE 2 SCREWS HOLDING CONTROL BOX TO CORNER PANEL REMOVE 2 SCREWS SECURING PANEL TO BASE. 3 PASS CONTROL PANEL THROUGH COMPRESSOR SECTION 4 RE-SECURE CONTROL PANEL ON OPPOSITE SIDE IN SAME MANNER... -
Page 11: Filters
filled with water prior to start up. The use of plugged FILTER tees in place of elbows to facilitate cleaning is highly This unit must not be operated without a filter. It comes recommended. equipped with disposable filters, which should be Drain lines must be installed according to local checked often and replaced if dirty. -
Page 12: Figure 4 Piping Access
FIGURE 4 PIPING ACCESS TO UNIT WATER “IN” CONNECTION 3/4" FPT GSVS24-42 MODELS 1" FPT GSVS48-60 MODELS PUMP MODULE CONNECTIONS 1/2" COPPER STUB WATER “OUT” CONNECTION 3/4" FPT GSVS24-42 MODELS 1" FPT GSVS48-60 MODELS CONDENSATE DRAIN 3/4" FPT Manual 2100-317J Page 12 of 39... -
Page 13: Wiring Instructions
WIRING INSTRUCTIONS GENERAL TABLE 6 CONTROL CIRCUIT WIRING All wiring must be installed in accordance with the National Electrical Code and local codes. In Canada, all wiring must be installed in accordance with the Canadian Electrical Code and in accordance with the regulations of the authorities having jurisdiction. -
Page 14: Thermostat Indicators
THERMOSTAT INDICATORS BLOWER CONTROL SETUP 8403-058 (TH5220D1151) Thermostat: Due to the unique functions that the ECM blower motor is able to perform each installation requires that the Thermostat will display on the screen “Em Heat” when jumpers on the blower control board be checked and the thermostat is set on emergency heat. -
Page 15: Figure 5 Blower Control Board
FIGURE 5 BLOWER CONTROL BOARD SEE HUMIDITY CONTROL SEE TABLE 8 SEE TABLE 8 SEE TABLE 8 SEE TABLE 8 SEE CFM LIGHT Manual 2100-317J Page 15 of 39... -
Page 16: Wiring Diagrams
Manual 2100-317J Page 16 of 39... - Page 17 Manual 2100-317J Page 17 of 39...
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Page 18: Closed Loop (Earth Coupled Ground Loop Applications)
The and circulator selection will eliminate this problem design eliminates most causes of system failure. Bard supplies a work sheet to simplify head loss Surprisingly, the heat pump itself is rarely the cause. calculations and circulator selection. Refer to Most problems occur because designers and installers “Circulating Pump Worksheet”... -
Page 19: Start Up Procedure For Closed Loop System
START UP PROCEDURE FOR CLOSED recheck the selection of the loop pump module LOOP SYSTEM model for sufficient capacity. If the module selection is correct, there is probably trapped air or a 1. Be sure main power to the unit is OFF at disconnect. restriction in the piping circuit. -
Page 20: Figure 7
FIGURE 7 DIAL FACE PRESSURE GAUGE THERMOMETER WITH GAUGE ADAPTOR WATER COIL CONNECTION AT HEAT PUMP 1" AND 3/4" MPT BARB X INSERT BRASS ADAPTER SELF SEALING PETE’S TEST PLUG TEST PLUG CAP FIGURE 8 PERFORMANCE MODEL GPM-1 LOOP PUMP MODULE Flow (GPM) FIGURE 9 PERFORMANCE MODEL GPM-2 LOOP PUMP MODULE... -
Page 21: Open Loop (Well System Applications)
OPEN LOOP (WELL SYSTEM APPLICATIONS) NOTE: Strainer (5) installed upstream of constant flow valve (7) to collect foreign material which would clog the flow Unit shipped from factory with 27 PSIG low valve orifice. pressure switch wired into control circuit for open loop applications. -
Page 22: Figure 10 Water Connection Components
The pressure requirements put on the pump are directly that the piping is not undersized, which would create too affected by the diameter of pipe being used, as well as, much pressure due to friction loss. High pressure losses by the water flow rate through the pipe. The worksheet due to undersized pipe will reduce efficiency and included in manual 2110-078 should guarantee that the require larger pumps and could also create water noise... -
Page 23: Start Up Procedure For Open Loop System
SYSTEM START UP PROCEDURE FOR WATER CORROSION OPEN LOOP APPLICATIONS Two concerns will immediately come to light when 1. Be sure main power to the unit is OFF at disconnect. considering a water source heat pump, whether for ground water or for a closed loop application: Will 2. -
Page 24: Figure 11 Cleaning Water Coil
4. Scale Formation. Of all the water problems, the for the product used as to how long the solutions to be formation of scale by ground water is by far the most circulated, but it is usually circulated for a period of common. -
Page 25: Figure 12 Lake Or Pond Installation
D. Size the pump to provide necessary GPM for the K. Locate the discharge high enough above high water ground water heat pump. A 12 GPM or greater level so the water will not back up and freeze inside water flow rate is required on all modes when used the drain pipe. -
Page 26: Sequence Of Operation
SEQUENCE OF OPERATION between “R” and “W1” will open de-energizing the BLOWER heat package time delay relay (s) and the blower. The blower on/off actuation will depend upon “Delay” selection settings on Blower Control Board, see Blower LOCKOUT CIRCUITS Control Setup section. If thermostat is set to “Manual” Each unit has two separate lockout circuits, one for the or “On”... -
Page 27: Figure 13
FIGURE 13 COMPRESSOR DESUPERHEAT COIL HIGH PRESSURE SWITCH DISCHARGE SERVICE PORT LOW PRESSURE SWITCHES REVERSING VALVE WATER COIL EXPANSION VALVE LOW VOLTAGE IN SUCTION SERVICE PORT HIGH VOLTAGE IN FIGURE 14 CONTROL PANEL Manual 2100-317J Page 27 of 39... -
Page 28: Figure 15
FIGURE 15 Manual 2100-317J Page 28 of 39... -
Page 29: Figure 16 Pressure Table Cooling
FIGURE 16 PRESSURE TABLE COOLING Fluid Temperature Entering Water Coil Degree F Manual 2100-317J Page 29 of 39... -
Page 30: Figure 16A Pressure Table Heating
FIGURE 16A PRESSURE TABLE HEATING Fluid Temperature Entering Water Coil Degree F Manual 2100-317J Page 30 of 39... -
Page 31: Quick Reference Troubleshooting Chart
Manual 2100-317J Page 31 of 39... -
Page 32: Service
SERVICE This unit is equipped with a variable speed ECM motor. SERVICE HINTS The motor is designed to maintain rated airflow up to 1. Caution homeowner to maintain clean air filters at the maximum static allowed. It is important that the tall times. -
Page 33: Troubleshooting Ge Ecm™ Motors
TROUBLESHOOTING GE ECM MOTORS ™ CAUTION: Symptom Cause/Procedure • Noisy blower or cabinet • Check for loose blower housing, panels, etc. Disconnect power from unit before removing or replacing • High static creating high blower speed? connectors, or servicing motor. To avoid electric shock from - Check for air whistling through seams in the motor’s capacitors, disconnect power and wait at least 5 ducts, cabinets or panels... -
Page 34: Figure 17 Control Disassembly
TROUBLESHOOTING GE ECM MOTORS CONT’D. ™ 8b. IF REPLACING AN ECM 2.3 CONTROL WITH AN ECM 2.3 Replacing ECM Control Module CONTROL, the plastic tab and shorter through-bolts are not needed. To replace the control module for the GE variable-speed indoor blower motor The control can be oriented in two positions 180°... -
Page 35: Figure 20 Typical Pump Kit Connection (Dpm26A)
ACCESSORIES INSTALLATION ADD-ON DPM26A PUMP MODULE KIT 1. Follow all local, state, and national codes applicable NOTE: This section applies only if a DPM26A Pump to the installation of the pump module kit. Module is added. Refer to DPM26A instructions for complete installation details. -
Page 36: 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: UNIT: Mfgr Model No. THERMOSTAT: Mfgr Model No. Person Reporting Company Reporting Installed By Date Installed User’s (Owner’s) Name Address Unit Location WATER SYSTEM INFORMATION... - Page 37 THE FOLLOWING INFORMATION IS NEEDED TO CHECK PERFORMANCE OF UNIT. FLUID SIDE DATA Cooling ** Heating Entering fluid temperature Leaving fluid temperature Entering fluid pressure PSIG Leaving fluid pressure PSIG Pressure drop through coil PSIG Gallons per minute through the water coil Liquid or discharge line pressure PSIG Suction line pressure...
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Page 38: Wiring Diagrams
Manual 2100-317J Page 38 of 39... - Page 39 Manual 2100-317J Page 39 of 39...