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QW SERIES
GEOTHERMAL R-410A
STAGED CAPACITY
INSTALLATION
PACKAGED HEAT PUMP
INSTRUCTIONS
Models:
QW2S1 QW3S1
QW4S1 QW5S1
Earth Loop Fluid
MIS-2736
Temperatures 25 – 110
Ground Water Temperature 45 – 75
Bard Manufacturing Company, Inc. Manual No.: 2100-532B
Supersedes: 2100-532A
Bryan, Ohio 43506
File: Vol II Tab 14
Since 1914...Moving ahead, just as planned.
Date: 07-19-10
Manual 2100-532B
Page 1 of 46
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CONTENTS Getting Other Information and Publications Closed Loop (Earth Coupled Ground Loop Applications) For more information, contact these publishers:...... 4 Circulation System Design .................................... 30 Copper Water Coil Application............................... 30 QW General Information Start Up Procedure for Closed Loop System ......... 31 QW Model Nomenclature ........................................ 5 Shipping Damage ..................................................
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CONTENTS Tables Figures Table 1 Electrical Specifications ........................... 5 Figure 1 Unit Dimensions..................................... 6 Table 2 Operating Voltage Range ....................... 18 Figure 2 Removal of Unit From Skid .................... 7 Table 3 Wall Thermostats ................................... 18 Figure 3 Proper Handling of Unit After Removal Table 4 Indoor Blower Performance ................... 25 from Skid................................................ 8 Tab
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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. 1712 New Hampshire Avenue Washington, DC 20009 National Electrical Code ...................... ANSI/NFPA 70 Telephone: (202) 483-9370 Fax: (
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QW SERIES GEOTHERMAL R-410A STAGED CAPACITY GENERAL INFORMATION QW MODEL NOMENCLATURE QW 3 S 1 A 0Z B X 4 X C X MODEL NUMBER | COIL OPTIONS KW FILTER OPTIONS Q-Tec™ Model SPECIALTY C - Copper (water) 0Z - OKW X - 2-Inch Pleated N - Cupronickel PRODUCTS (MERV6) CAPACITY | 2 - 2 Ton 3 - 3 Ton VOLTS & STEP CAPACITY | 4 - 4 Ton PHASE INTERNAL CONTROLS 5 - 5 Ton A - 230/208/60/1 COLOR X • High Pressure Switch B - 230/208/60/3 REVISION | 4 - Buckeye Gray paint • Low Pressure Switch C - 460/60/3 X
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Manual 2100-532B Page 6 of 46 FIGURE 1 UNIT DIMENSIONS SUPPLY AIR OPENING UNIT DIM. "A" DIM. "B" DIM. "C" DIM. "D" 2 1/16" 2 7/16" 2 15/16" QW2S, QW3S 8 5/8" 42" 30" 43" 1 3/4" (OPTIONAL) HIGH VOLTAGE QW4S, QW5S 8 3/4" 48" 40" 49" ELECTRICAL ENTRANCE 9 15/16" (DUCT SIZE) LOW VOLTAGE 20 3/8" ELECTRICAL ENTRANCE 6 3/4" (OPTIONAL) LOW VOLTAGE 24 15/16" ELECTRICAL ENTRANCE 7/8" TOP VIEW (DUCT SIZE) (SHOWN WITHOUT 3 3/16" (OPTIONAL) LOW VOLTAGE FREEBLOW PLENUM) "A" ELECTRICAL ENTRANCE FREEBLOW (OPT
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SHIPPING DAMAGE HANDLING UNIT AFTER REMOVAL FROM SKID 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 WARNING ready for installation. If damage is found, the receiving party must contact the last carrier immediately, Exercise extreme caution when pushing the preferably in writing, requesting inspection by the unit on the rollers. Handle and push from the carrier’s agent. lower
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FIGURE 3 PROPER HANDLING OF UNIT AFTER REMOVAL FROM SKID Q-Tec UNIT (RIGHT SIDE) STRAP APPLIANCE CART COMPRESSOR While these instructions are intended as a general REMOVAL OF WALL BRACKET FROM recommended guide, they do not supersede any national SHIPPING LOCATION (UNITS WITH and/or local codes in any way. Authorities having BLANK OFF PLATE ONLY) jurisdiction should be consulted before the installation is The wall brackets are attached to the back of the unit. made. See Page 4 for information
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FIGURE 4 INSTALLATION OF UNIT THROUGH WALL WITH WALL SLEEVE 14" to 5" WALL SLEEVE VENTILATION AIR DIVIDER QW2S, QW3S - 42.000" QW4S, QW5S - 48.000" 33 7/8" SUPPLY AIR 28 7/8" 18 9/16" OPTIONAL FREE (X) BLOW PLENUM BOX HIGH VOLTAGE ELECTRICAL ENTRANCE (TOP-REAR-SIDE) 17 9/16" 35" 6 1/8" 29 1/2" MIST ELIMINATOR RETURN AIR 33" 84 1/4" 103 7/8" LOW VOLTAGE ELECTRICAL ACCESS (TOP-SIDE) BOTTOM CIRCUIT BREAKER, ROTARY, TRIM PIECE OR TOGGLE DISCONNECT 5" AND LOCKING COVER PERMANENT ROLLERS MIS-2739
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FIGURE 5 INSTALLATION WITH FREE BLOW PLENUM 8 FT. - 9 IN. 8 FT. - 8 IN. MINIMUM REQUIRED INSTALLATION HEIGHT FLOOR MIS-2740 FIGURE 6 DUCTED APPLICATION SUSPENDED CEILING DUCT FIXED CEILING 25 IN. MINIMUM DUCT FLANGE 12 IN. MINIMUM 2 IN. MINIMUM FROM DUCT FLANGE TO DUCT BOTTOM 9 FT. 8 FT. - 9 IN. 7 FT. - 6 IN. MINIMUM REQUIRED MINIMUM REQUIRED UNIT HEIGHT INSTALLATION HEIGHT INSTALLATION HEIGHT FLOOR MIS-2741 Manual 2100-532B Page 10 of 46
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When used with a ducted supply, a QCX Cabinet DUCT WORK Extension can be used to conceal the duct work above Any heat pump is more critical of proper operating the unit to the ceiling. This extends 20" above the unit charge and an adequate duct system than a straight air for a total height above the floor of 10'-7/8". The unit is conditioning unit. All duct work must be properly sized equipped with a variable speed indoor blower motor for the design airflow requirement of the equipment. whic
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FIGURE 8A CONDENSATE DRAIN LOOP TO FORM A "P" TRAP DRAIN HOSE EXTERNAL DRAIN TUBE ALTERNATE DRAINING FLOOR OPTION FRONT VIEW WITH CONDENSER DOOR REMOVED MIS-2743 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. The drain line must be able to be removed from the unit if it is necessary to remove the unit from the wall. FIGURE 8B OPTIONAL REAR DRAIN Manual 2100-532B Page 12 of 46
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The rear drain can be used with wall thickness of up to MIST ELIMINATOR SERVICE (Optional – 10 inches where a water trap can be installed between only used with one of the vent options) the unit and the interior wall. See Figure 8B. The trap A mist eliminator is supplied with the wall sleeve. The cannot extend beyond the edge of the unit or it will mist eliminator is constructed of aluminum frame and interfere with the wall mounting bracket. The drain can mesh. The mist eliminator is locate
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Q-TEC ENERGY RECOVERY VENTILATOR 3. Underneath the heat recovery cassette there is a OPTION power connector for the lower blower assembly. To disconnect this plug, the tabs on both sides of the Before starting the removal make sure that the power plug must be squeezed to release the plug. While has been turned off. The hinged return air grille panel squeezing the tabs, pull the plug out of the socket. must be opened. The energy recovery ventilator (QERV) can be seen after the panel is opened
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INSTALLATION INSTRUCTIONS MOUNTING THE UNIT 7. Position side trim pieces to the wall and attach with field supplied screws. There are two long and two When installing a QW unit near an interior wall on the short pieces supplied. The long pieces are to enclose left side, a minimum of 8 inches is required; 12 inches is the gap behind the unit. The short pieces are to fill preferred. the gap behind the cabinet extension or the free blow plenum box. They may be cut to suit the ceiling When insta
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FIGURE 11 UNIT MOUNTING WITHOUT VENTILATION WALL SLEEVE SIDE TRIM CUT TO LENGTH WALL MOUNTING BRACKET 41" ADJUSTABLE SIDE TRIM EXTENSION KIT -ORDERED SEPARATELY BASE TRIM SIDE TRIM EXTENSION BASE TRIM EXTENSION MIS-2744 A Manual 2100-532B Page 16 of 46
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FIGURE 12 COMPONENT LOCATION SIDE FIELD WIRE ENTRANCE REMOTE THERMOSTAT TERMINAL BLOCK INDOOR DUAL BLOWERS CONTROL BOX/ CIRCUIT BREAKER PANEL MIS-2745 Manual 2100-532B Page 17 of 46
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TABLE 2 WIRING – MAIN POWER OPERATING VOLTAGE RANGE Refer to the unit rating plate and/or Table 2 for wire sizing information and maximum fuse or “HACR Type” TE AP RANG circuit breaker size. Each unit is marked with a 26 40V 253 - 21 “Minimum Circuit Ampacity”. This means that the 27 08V 220 - 18 field wiring used must be sized to carry that amount of current. Depending on the installed KW of electric heat, NOTE: The voltage should be measured at the field there may be two field power circ
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LOW VOLTAGE CONNECTIONS The “W2” terminal is the electric heat signal and feeds through Pin #9 of Plug P2. The “R” terminal is the 24 VAC hot terminal and is supplied through Pin #10 of Plug P2. The “W1/E” terminal is the emergency heat signal and feeds through Pin #3 of Plug P2. The “C” terminal is the 24 VAC common/grounded terminal and feeds through Pin #11 of Plug P2. The “L” terminal is used as an input terminal when a CS2000 infrared occupancy device is used. It feeds The “G” terminal is
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FIGURE 14 REMOTE THERMOSTAT WIRING DIAGRAM “X” OPTION Temp. and Humidity Controller Low Voltage Part #8403-060 Terminal Strip Red/Yellow W1/E E Purple Y2 Y2 A A Brown/White PLUG #2 1 Orange G G 2 Yellow Y1 Y1 3 4 O/B Blue O 5 W2 Brown W2 6 7 R R Red/White 8 C C Black/White 9 10 Pink L L 11 12 D/YO Terminal CO2 Controller PLUG #1 Strip Part #8403-056 1 Red Red 2 24VAC Black 3 Black Yellow 4 Brown 5 Yellow Orange Analog 6 Green Out Brown Orange Green Purple/White 4115-102 A Manual 2100-532B Page
