Instruction/ maintenance manual of the product QW2S1 Bard
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Manual 2100-532B Page 1 of 46 QW SERIES GEOTHERMAL R-410A ST AGED CAP ACITY P ACKAGED HEA T PUMP INST ALLA TION INSTRUCTIONS Models: QW2S1 QW3S1 QW4S1 QW5S1 Manual No.: 2100-532B Supersedes: 2100-532A File: V ol II T ab 14 Date: 07-19-10 Bard Manufacturing Company , Inc.
Manual 2100-532B Page 2 of 46 CONTENTS Getting Other Information and Publications For more information, contact these publishers: ...... 4 QW General Information QW Model Nomenclature ........................................ 5 Shipping Damage ........
Manual 2100-532B Page 3 of 46 Figures Figure 1 Unit Dimensions ..................................... 6 Figure 2 Removal of Unit From Skid .................... 7 Figure 3 Proper Handling of Unit After Removal from Skid .................................
Manual 2100-532B Page 4 of 46 GETTING OTHER INFORMA TION AND PUBLICA TIONS These publications can help you install the air conditioner or heat pump. You can usually find these at your local library or purchase them directly from the publisher. Be sure to consult current edition of each standard.
Manual 2100-532B Page 5 of 46 QW SERIES GEOTHERMAL R-410A ST AGED CAP ACITY GENERAL INFORMA TION QW MODEL NOMENCLATURE FILTER OPTIONS X - 2-Inch Pleated (MERV6) STEP CAPACITY | CAPACITY | 2 - 2 Ton 3 .
Manual 2100-532B Page 6 of 46 FIGURE 1 UNIT DIMENSIONS 36 1/16" 36 7/8" 68 3/4" UNIT DIM. "A" DIM. "B" DIM. "C" DIM.
Manual 2100-532B Page 7 of 46 SHIPPING DAMAGE Upon receipt of equipment, the carton should be checked for external signs of shipping damage. The skid must remain attached to the unit until the unit is ready for installation.
Manual 2100-532B Page 8 of 46 REMOVAL OF WALL BRACKET FROM SHIPPING LOCATION (UNITS WITH BLANK OFF PLATE ONLY) The wall brackets are attached to the back of the unit.
Manual 2100-532B Page 9 of 46 MIS -2739 A AIR DIVIDER ELIMINATO R 5" WAL L SL EEVE MIST TRIM PIECE SUPPLY AIR ROLLERS BOTTOM RETURN AIR CIRCUIT BREAKER, ROTARY, OR TOGGLE DISCONNECT ELECTRICAL AC.
Manual 2100-532B Page 10 of 46 FIGURE 6 DUCTED APPLICATION INSTALLATION HEIGHT 8 FT. - 9 IN. MINIMUM REQUIRED MIS-2740 FLOOR 8 FT. - 8 IN. INSTALLATION HEIGHT 9 FT. MINIMUM RE QU I R E D UNIT HEIGHT 7 FT . - 6 IN . MINIMUM 25 IN. TO DUCT BOTTOM 2 IN. MINIMUM FROM DUCT FLANGE INSTALLATION HEIGHT 8 FT .
Manual 2100-532B Page 11 of 46 DUCT WORK Any heat pump is more critical of proper operating charge and an adequate duct system than a straight air conditioning unit. All duct work must be properly sized for the design airflow requirement of the equipment.
Manual 2100-532B Page 12 of 46 FIGURE 8A CONDENSATE DRAIN FIGURE 8B OPTIONAL REAR DRAIN The drain can be routed through the floor or through the wall. If the drain is to be routed through an unconditioned space, it must be protected from freezing .
Manual 2100-532B Page 13 of 46 The rear drain can be used with wall thickness of up to 10 inches where a water trap can be installed between the unit and the interior wall. See Figure 8B. The trap cannot extend beyond the edge of the unit or it will interfere with the wall mounting bracket.
Manual 2100-532B Page 14 of 46 Q-TEC ENERGY RECOVERY VENTILATOR OPTION Before starting the removal make sure that the power has been turned off. The hinged return air grille panel must be opened. The energy recovery ventilator (QERV) can be seen after the panel is opened.
Manual 2100-532B Page 15 of 46 INST ALLA TION INSTRUCTIONS MOUNTING THE UNIT When installing a QW unit near an interior wall on the left side, a minimum of 8 inches is required; 12 inches is preferred.
Manual 2100-532B Page 16 of 46 FIGURE 11 UNIT MOUNTING WITHOUT VENTILATION WALL SLEEVE BRACKET WALL MO U NT I NG BASE TRIM SIDE TRIM CUT TO LE NGTH 41" ADJUSTABLE SIDE TRIM EXTENSION KIT -ORDERED.
Manual 2100-532B Page 17 of 46 FIGURE 12 COMPONENT LOCATION WIRE ENTRANCE SIDE FIELD TERMINAL BL OCK REMOTE THERMO STAT INDOOR DUAL BLOWERS CONTROL BOX/ CIRCUIT BREAKER PANEL MIS -2745.
Manual 2100-532B Page 18 of 46 WIRING – MAIN POWER Refer to the unit rating plate and/or Table 2 for wire sizing information and maximum fuse or “HACR Type” circuit breaker size. Each unit is marked with a “Minimum Circuit Ampacity”. This means that the field wiring used must be sized to carry that amount of current.
Manual 2100-532B Page 19 of 46 LOW VOLTAGE CONNECTIONS The “R” terminal is the 24 VAC hot terminal and is supplied through Pin #10 of Plug P2 . The “C” terminal is the 24 VAC common / grounded terminal and feeds through Pin #11 of Plug P2. The “G” terminal is the indoor blower input signal and feeds through Pin #6 of Plug P2.
Manual 2100-532B Page 20 of 46 10 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 11 12 Blue Pink Pur ple Purple/White Yellow Yellow W1/E L G L Part #8403- 056 411 5-1 02 A CO2 Contro lle r 24 VAC O/B Out Part #8403- 060 C Y2 A Y1 R G Analog Controller Termi nal S trip E W2 O C Y2 A W2 Y1 R Te mp.
Manual 2100-532B Page 21 of 46 FIGURE 15 REMOTE THERMOSTAT WIRING DIAGRAM “D” THERMOSTAT OPTION Blue Pink Pur ple L O/B W1/E Y1 Part #8403- 060 C Y2 A W2 G R Te mp.
Manual 2100-532B Page 22 of 46 10 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 11 12 Blue Pink Pur ple Yellow Yellow R Y1 O/B Part #8403- 056 24 VAC G W1/E L CO2 Contro lle r Out C Y2 A W2 Analog Te mp.
Manual 2100-532B Page 23 of 46 ST ART UP DESCRIPTION OF STANDARD EQUIPMENT LOW PRESSURE SWITCH NOTE: Thi s un it i s supplied with two low pressure switches installed, a 45 PSIG and a 60 PSIG. The 60 PSIG is wired into the system. This switch is suitable for ground water (pump and dump), and water loop (boiler/tower applications).
Manual 2100-532B Page 24 of 46 OPTIONAL CFM All models covered by this Manual are factory set to operate at rated CFM levels as shown in Table 4. Rated CFM is required for ducted applications for maximum performance ratings.
Manual 2100-532B Page 25 of 46 1 Maximum ESP (inches WC) shown is with 2" MER V 6 pleated filter . 2 Rated CFM for ducted applications – required for maximum performance rating.
Manual 2100-532B Page 26 of 46 FIGURE 17 FLUID CONNECTIONS ON UNIT WITH VENTILATION WALL SLEEVE 23 1/2" 33" 8 1/2" 66 1/2" TO UN IT SPEC.
Manual 2100-532B Page 27 of 46 FIGURE 18 FLUID CONNECTIONS ON UNIT WITHOUT VENTILATION WALL SLEEVE 23 1/2" 8 1/2" 66 1/2" 4" (LEFT BR ACKET REMOVED FOR FLOOR FLU I D ACC ESS F R OM.
Manual 2100-532B Page 28 of 46 TABLE 5 PRESSURE TABLE S 2 W QS 3 W QS 4 W QS 6 W Q r e t a w h s e r f r o f M P G d e r i u q e r e t a r w o l F 5679 l o n a h t e M % 5 1 r o f M P G d e r i u q e r e t a r w o l F 789 1 1 p o o l r e l i o b / r e w o t g n i l o o c , M P G d e r i u q e r e t a r w o l F 1 .
Manual 2100-532B Page 29 of 46 TABLE 6 OPTIONAL ACCESSORIES s n o i t p O n o i t a l i t n e V h t i w n o i t a l l a t s n I h c a E r o f d e s U e b t s u M – s e i r o s s e c c A l a n o i t p O : s e v e e l S l l a W n o i t a l i t n e V 2 4 S V W Q.
Manual 2100-532B Page 30 of 46 CIRCULATION SYSTEM DESIGN Equipment room piping design is based on years of experience with earth coupled heat pump systems. The design eliminates most causes of system failure. Surprisingly, the heat pump itself is rarely the cause.
Manual 2100-532B Page 31 of 46 START UP PROCEDURE FOR CLOSED LOOP SYSTEM 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.
Manual 2100-532B Page 32 of 46 0 10 20 30 40 50 60 70 0 5 10 15 20 25 30 35 Flow (GPM) Head (Feet) FIGURE 22 PERFORMANCE MODEL DORFC-2 LOOP PUMP MODULE 0 5 10 15 20 25 30 35 0 5 10 15 20 25 30 35 Flow.
Manual 2100-532B Page 33 of 46 6 10 11 8 9 12 7 MIS-2749 OPEN LOOP (W ell System Applications) WATER CONNECTIONS It is very important that an adequate supply of clean, noncorrosive water at the proper pressure be provided before the installation is made.
Manual 2100-532B Page 34 of 46 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.
Manual 2100-532B Page 35 of 46 WATER CORROSION Two concerns will immediately come to light when considering a water source heat pump, whether for ground water or for a closed loop application: Will th.
Manual 2100-532B Page 36 of 46 MIS-2750 Hose Bib (A) Hose Bib (B) Pump Isol ati on Val ve TO WATER COIL FROM W ATER COIL 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.
Manual 2100-532B Page 37 of 46 FIGURE 25 WATER WELL SYSTEM 12' to 15' LAKE or POND W A TER LEVEL GRA VEL FILL WELL CAP ELECTRICAL LINE PITLESS ADAPTER TO PRESSURE T ANK SUBMERSIBLE PUMP PERF.
Manual 2100-532B Page 38 of 46 For complete information on water well systems and lake and pond applications, refer to Manual 2100-078 available from your distributor.
Manual 2100-532B Page 39 of 46 FIGURE 26 WATER SOURCE HEAT PUMP.
Manual 2100-532B Page 40 of 46 FIGURE 27 WATER SOURCE HEAT PUMP.
Manual 2100-532B Page 41 of 46 SERVICE UNBRAZING SYSTEM COMPONENTS If the refrigerant charge is removed from a scroll equipped unit by bleeding the high side only, it is sometimes possible for the scrolls to seal, preventing pressure equalization through the compressor.
Manual 2100-532B Page 42 of 46 TROUBLESHOOTING GE ECM ™ MOT ORS CAUTION: Disconnect power from unit before removing or replacing connectors, or servicing motor. To avoid electric shock from the motor’s capacitors, disconnect power and wait at least 5 minutes before opening motor.
Manual 2100-532B Page 43 of 46 TROUBLESHOOTING GE ECM ™ MOT ORS CONT’D. Motor Motor OK when R > 100k ohm ECM 2.0 Only remove Hex Head Bolts Connector Orientation Between 4 and 8 o'clock Drip Loop Back of Control Figure 5 W i nding Test Figure 4 Note: Use the shorter bolts and alignment pin supplied when replacing an ECM 2.
Manual 2100-532B Page 44 of 46 Heat Gen. Power Failure Blown Fuse or Tripped Breaker Faulty Wiring Loose Terminals Low Voltage Defective Contacts in Contactor Compressor Overload Potential Relay Run C.
Manual 2100-532B Page 45 of 46 GROUND SO URCE H EAT PUMP PERFORMANCE R EPORT This performance check report should be f illed out by installer and retained w it h unit. DATE : TAKEN BY: 1. UNIT: Mfgr Model # S/N THE RMOST AT: Mfgr Model # P/N 2. Person Reporti ng 3.
Manual 2100-532B Page 46 of 46 THE FOL LOWIN G INFORMA TION IS NEED ED TO CHECK PERFORMANCE OF UNIT FLUID SIDE DATA C oolin g ** Heating 9. Enter ing fluid te mperat ure F 10. Leavi ng fluid temper ature F 11. Entering fl uid press ure PSIG 12. Leaving fluid press ur e PSIG 13.
An important point after buying a device Bard QW2S1 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bard QW2S1 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Bard QW2S1 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bard QW2S1 you will learn all the available features of the product, as well as information on its operation. The information that you get Bard QW2S1 will certainly help you make a decision on the purchase.
If you already are a holder of Bard QW2S1, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Bard QW2S1.
However, one of the most important roles played by the user manual is to help in solving problems with Bard QW2S1. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bard QW2S1 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
