Bard QW2S1 - Manuals - manualsarea.com

Page 2 - CONTENTS

Manual 2100-532BPage 2 of 46 CONTENTS Getting Other Information and Publications For more information, contact these publishers: ...... 4 QW General Information QW Model Nomenclature ........................................ 5Shipping Damage .................................................... 7Unit ...

Page 3 - Figures; Tables

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 Removalfrom Skid ................................................ 8 Figure 4 Installation of Unit w/...

Page 4 - GETTING OTHER INFORMATION AND PUBLICATIONS

Manual 2100-532BPage 4 of 46 GETTING OTHER INFORMATION AND PUBLICATIONS These publications can help you install the airconditioner or heat pump. You can usually find these atyour local library or purchase them directly from thepublisher. Be sure to consult current edition of eachstandard. National E...

Page 5 - QW SERIES GEOTHERMAL R-410A STAGED CAPACITY GENERAL INFORMATION; QW MODEL NOMENCLATURE; Q W; TABLE 1

Manual 2100-532B Page 5 of 46 QW SERIES GEOTHERMAL R-410A STAGED CAPACITY GENERAL INFORMATION QW MODEL NOMENCLATURE FILTER OPTIONS X - 2-Inch Pleated(MERV6) STEP CAPACITY | CAPACITY | 2 - 2 Ton3 - 3 Ton4 - 4 Ton5 - 5 Ton MODEL NUMBER | Q-Tec™ Model REVISION | COLOR 4 - Buckeye Gray paintX - Beige pa...

Page 7 - SHIPPING DAMAGE; FIGURE 2; UNIT REMOVAL FROM SKID; WARNING

Manual 2100-532B Page 7 of 46 SHIPPING DAMAGE Upon receipt of equipment, the carton should bechecked for external signs of shipping damage. Theskid must remain attached to the unit until the unit isready for installation. If damage is found, the receivingparty must contact the last carrier immediate...

Page 8 - FIGURE 3

Manual 2100-532BPage 8 of 46 REMOVAL OF WALL BRACKET FROMSHIPPING LOCATION (UNITS WITHBLANK OFF PLATE ONLY) The wall brackets are attached to the back of the unit.Remove and retain the wall brackets for use whenattaching the unit to the wall. In units equipped with aventilator a wall sleeve is requi...

Page 9 - FIGURE 4

Manual 2100-532B Page 9 of 46 MIS-2739 A AIR DIVIDER ELIMINATOR 5" WALL SLEEVE MIST TRIM PIECE SUPPLY AIR ROLLERS BOTTOM RETURN AIR CIRCUIT BREAKER, ROTARY,OR TOGGLE DISCONNECT ELECTRICAL ACCESS BLOW PLENUM BOX (TOP-SIDE) AND LOCKING COVER LOW VOLTAGE OPTIONAL FREE ELECTRICAL ENTRANCE(TOP-REAR-S...

Page 10 - FIGURE 5

Manual 2100-532BPage 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 REQUIRED UNIT HEIGHT 7 FT. - 6 IN. MINIMUM 25 IN. TO DUCT BOTTOM 2 IN. MINIMUM FROM DUCT FLANGE INSTALLATION HEIGHT 8 FT. - 9 IN...

Page 11 - DUCT WORK; NOTE: Unit cabinet, supply air duct and free blow; FILTERS; NOTE: Whichever type of drain connection is used a

Manual 2100-532B Page 11 of 46 DUCT WORK Any heat pump is more critical of proper operatingcharge and an adequate duct system than a straight airconditioning unit. All duct work must be properly sizedfor the design airflow requirement of the equipment.Air Conditioning Contractors of America (ACCA) i...

Page 13 - The; If the drain is to; FIGURE 8C; COMMERCIAL ROOM VENTILATOR OPTION

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 betweenthe unit and the interior wall. See Figure 8B. The trapcannot extend beyond the edge of the unit or it willinterfere with the wall mounting bracket. The drain c...

Page 15 - INSTALLATION INSTRUCTIONS; MOUNTING THE UNIT; NOTE: When a wall sleeve is to be used attach the unit

Manual 2100-532B Page 15 of 46 INSTALLATION INSTRUCTIONS MOUNTING THE UNIT When installing a QW unit near an interior wall on theleft side, a minimum of 8 inches is required; 12 inches ispreferred. When installing a QW unit near an interior wall on theright side, a minimum of 12 inches is required a...

Page 16 - UNIT MOUNTING WITHOUT VENTILATION WALL SLEEVE

Manual 2100-532BPage 16 of 46 FIGURE 11 UNIT MOUNTING WITHOUT VENTILATION WALL SLEEVE BRACKET WALL MOUNTING BASE TRIM SIDE TRIM CUTTO LENGTH 41" ADJUSTABLE SIDE TRIMEXTENSION KIT -ORDEREDSEPARATELY SIDE TRIMEXTENSION MIS-2744 A BASE TRIMEXTENSION

Page 17 - COMPONENT LOCATION

Manual 2100-532B Page 17 of 46 FIGURE 12 COMPONENT LOCATION WIRE ENTRANCE SIDE FIELD TERMINAL BLOCK REMOTE THERMOSTAT INDOOR DUAL BLOWERS CONTROL BOX/ CIRCUITBREAKER PANEL MIS-2745

Page 18 - WIRING – MAIN POWER; must be; WIRING – LOW VOLTAGE WIRING; The standard Climate Control; GENERAL; It is important that the; CAUTION

Manual 2100-532BPage 18 of 46 WIRING – MAIN POWER Refer to the unit rating plate and/or Table 2 for wiresizing information and maximum fuse or “HACR Type”circuit breaker size. Each unit is marked with a“Minimum Circuit Ampacity”. This means that thefield wiring used must be sized to carry that amoun...

Page 19 - LOW VOLTAGE CONNECTIONS

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...

Page 21 - REMOTE THERMOSTAT WIRING DIAGRAM

Manual 2100-532B Page 21 of 46 FIGURE 15 REMOTE THERMOSTAT WIRING DIAGRAM “D” THERMOSTAT OPTION Blue Pink Purple L O/B W1/E Y1 Part #8403-060 C Y2 A W2 G R Temp. and Humidity Controller D/YO Orange Yellow Brown/White Brown 9 8 11 10 PLUG #2 Red/Yellow Red/White 1 2345 67 12 Black/White Purple/White ...

Page 23 - START UP; LOW PRESSURE SWITCH; COMPRESSOR CONTROL MODULE; and; ADJUSTMENTS

Manual 2100-532B Page 23 of 46 START UP DESCRIPTION OF STANDARDEQUIPMENT LOW PRESSURE SWITCH NOTE: This unit is supplied with two low pressure switches installed, a 45 PSIG and a 60 PSIG. The 60 PSIG is wired into the system. This switch issuitable for ground water (pump and dump), and waterloop (bo...

Page 24 - OPTIONAL CFM; For Full Load Optional CFM; IMPORTANT INSTALLER NOTE; COOLING

Manual 2100-532BPage 24 of 46 OPTIONAL CFM All models covered by this Manual are factory set tooperate at rated CFM levels as shown in Table 4. RatedCFM is required for ducted applications for maximumperformance ratings. For free blow applications where Full Load Rated CFMis undesirable due to sound...

Page 25 - TABLE 4; PRESSURE SERVICE PORTS; All double O-ring fittings require “hand

Manual 2100-532B Page 25 of 46 1 Maximum ESP (inches WC) shown is with 2" MERV 6 pleated filter. 2 Rated CFM for ducted applications – required for maximum performance rating. To obtain full CFM onmodels QW3S1, QW4S1 and QW5S1, locate pink wire that is secured to purple wire at low voltage termi...

Page 26 - FLUID CONNECTIONS ON UNIT WITH VENTILATION WALL SLEEVE

Manual 2100-532BPage 26 of 46 FIGURE 17 FLUID CONNECTIONS ON UNIT WITH VENTILATION WALL SLEEVE 23 1/2" 33" 8 1/2" 66 1/2" TO UNIT SPEC. SHEET FOR FROM CEILING SIDE TRIM PEICES FLUID ACCESS 8" TO 14" EXTERIOR WALL PROPER COLOR (SHIPPED WITH UNIT) CEILING SIDE TRIM PIECES (SHIP...

Page 27 - FLUID CONNECTIONS ON UNIT WITHOUT VENTILATION WALL SLEEVE

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 BRACKET REMOVED FOR FLOOR FLUID ACCESS FROM FLOOR FLUID ACCESSFROM TOP CLARITY) WALL BRACKET OPENING INREAR OF UNIT3" x 8" BACK OF UNIT MIS-2747 ...

Page 29 - TABLE 6

Manual 2100-532B Page 29 of 46 TABLE 6 OPTIONAL ACCESSORIES s n oit p On oit ali t n e Vhti wn oit all at s nIh c a E r of d e s U e b t s u M – s ei r o s s e c c A l a n oit p O : s e v e el S ll aWn oit ali t n e V 2 4 S VW Q. k ci ht s e h c ni 4 1 ot p u sll a w r of ev e el s ll a w n oit ali ...

Page 30 - CIRCULATION SYSTEM DESIGN; not; COPPER WATER COIL APPLICATION; The cupronickel coil is suitable for all applications.

Manual 2100-532BPage 30 of 46 CIRCULATION SYSTEM DESIGN Equipment room piping design is based on years ofexperience with earth coupled heat pump systems. Thedesign eliminates most causes of system failure. Surprisingly, the heat pump itself is rarely the cause.Most problems occur because designers a...

Page 31 - Do not open; Move thermostat fan switch to ON. Blower runs.

Manual 2100-532B Page 31 of 46 START UP PROCEDURE FOR CLOSEDLOOP 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 disconn...

Page 33 - OPEN LOOP; WATER CONNECTIONS; Refer to piping, Figure 23. Slow closing; Solenoid; with a 24V coil provides on/off control of the; constant flow valve; WATER; provides access to the system to check

Manual 2100-532B Page 33 of 46 6 10 11 8 9 12 7 MIS-2749 OPEN LOOP (Well System Applications) WATER CONNECTIONS It is very important that an adequate supply of clean,noncorrosive water at the proper pressure be providedbefore the installation is made. Insufficient water, inthe heating mode for examp...

Page 34 - WELL PUMP SIZING; do not open the

Manual 2100-532BPage 34 of 46 WELL PUMP SIZING Strictly speaking, sizing the well pump is theresponsibility of the well drilling contractor. It isimportant, however, that the HVAC contractor befamiliar with the factors that determine what size pumpwill be required. Rule of thumb estimates willinvari...

Page 35 - WATER CORROSION; Biological Growth; REMEDIES OF WATER PROBLEMS

Manual 2100-532B Page 35 of 46 WATER CORROSION Two concerns will immediately come to light whenconsidering a water source heat pump, whether forground water or for a closed loop application: Willthere be enough water? And, how will the water qualityaffect the system? Water quantity is an important c...

Page 36 - LAKE AND POND INSTALLATIONS; CLEANING WATER COIL

Manual 2100-532BPage 36 of 46 MIS-2750 Hose Bib (A) Hose Bib (B) Pump Isolation Valve TO WATER COIL FROM WATER COIL LAKE AND POND INSTALLATIONS Lakes and ponds can provide a low cost source of waterfor heating and cooling with a ground water heat pump.Direct usage of the water without some filtratio...

Page 37 - WATER WELL SYSTEM

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 T O PRESSURE T ANK SUBMERSIBLE PUMP PERFORA TED PLASTIC CASING DROP PIPE W A TER SUPPL Y LINE 15' to 20' DEEP

Page 39 - WATER SOURCE HEAT PUMP

Manual 2100-532B Page 39 of 46 FIGURE 26 WATER SOURCE HEAT PUMP

Page 41 - SERVICE; UNBRAZING SYSTEM COMPONENTS

Manual 2100-532B Page 41 of 46 SERVICE UNBRAZING SYSTEM COMPONENTS If the refrigerant charge is removed from a scrollequipped unit by bleeding the high side only, it issometimes possible for the scrolls to seal, preventingpressure equalization through the compressor. This mayleave low side shell and...

Page 43 - TROUBLESHOOTING GE ECM; Replacing ECM Control Module

Manual 2100-532B Page 43 of 46 TROUBLESHOOTING GE ECM ™ MOTORS 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 Winding Test Figure 4 Note: Use the shorter bolts and alignment pin supplied ...

Page 44 - QUICK REFERENCE TROUBLESHOOTING CHART FOR WATER TO AIR HEAT PUMP

Manual 2100-532BPage 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 Capacitor Start Capacitor Faulty Wiring Loose Terminals Control Transformer Low Voltage Thermostat Con...

Page 45 - GROUND SOURCE HEAT PUMP; Closed Loop systems only

Manual 2100-532B Page 45 of 46 GROUND SOURCE HEAT PUMP PERFORMANCE REPORT This performance check report should be filled out by installer and retained with unit. DATE: TAKEN BY: 1. UNIT: Mfgr Model # S/N THERMOSTAT: Mfgr Model # P/N 2. Person Reporting 3. Company Reporting 4. Installed By Date Insta...