Bard Q24A1 - Manuals - manualsarea.com

Page 2 - CONTENTS

Manual 2100-522BPage 2 of 38 CONTENTS Figures Figure 1 Unit Dimensions .......................................... 7 Figure 2 Air Seal Under Unit ...................................... 8 Figure 3 Removal of Unit From Skid ......................... 8 Figure 4 Unit on Appliance Cart for Moving ...........

Page 3 - GETTING OTHER INFORMATION AND PUBLICATIONS; Manual N

Manual 2100-522B Page 3 of 38 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 ...

Page 4 - Series General Information; MODEL NOMENCLATURE

Manual 2100-522BPage 4 of 38 Q-T EC Series General Information Q-T EC MODEL NOMENCLATURE INTERNALCONTROLS X - Standard • High Pressure Switch • Low Pressure Switch • Compressor Control Modulew/Time Delay J - Alarm Relay + LAC + Above FILTER OPTIONS X - 1 inch Fiberglass (Standard)F - 2 inch Fibergla...

Page 5 - TABLE 1

Manual 2100-522B Page 5 of 38 TABLE 1 FACTORY BUILT-IN ELECTRIC HEAT TABLE sl e d o M A- 1 A 4 2 Q A- 1 A 0 3 QB - 1 A 4 2 QB - 1 A 0 3 QC - 1 A 4 2 QC - 1 A 0 3 Q A- 1 A 6 3 Q A- 1 A 2 4 Q A- 1 A 8 4 Q B- 1 A 6 3 Q B- 1 A 2 4 Q B- 1 A 8 4 Q C- 1 A 6 3 Q C- 1 A 2 4 Q C- 1 A 8 4 QA - 1 A 0 6 QB - 1 A...

Page 7 - FIGURE 1

Manual 2100-522B Page 7 of 38 FIGURE 1 UNIT DIMENSIONS

Page 8 - FIGURE 3; WARNING; FIGURE 2; UNIT

Manual 2100-522BPage 8 of 38 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 immediatel...

Page 9 - must be locked; GENERAL; FIGURE 4

Manual 2100-522B Page 9 of 38 HANDLING UNIT AFTER REMOVALFROM SKID The unit will have to be turned sideways and removedfrom the skid to fit through a 36" doorway. If the doorheight allows, the unit can be slid sideways through thedoor. If the unit can not be slid through the door, then the unitw...

Page 11 - DUCT WORK; series unit has provision to attach a supply; series units are designed for use with free; NOTE: Unit cabinet, supply air duct and free blow; FIGURE 8

Manual 2100-522B Page 11 of 38 DUCT WORK All duct work must be properly sized for the designairflow requirement of the equipment. Air ConditioningContractors of America (ACCA) is an excellent guide toproper sizing. All duct work or portions thereof not inthe conditioned space should be properly insu...

Page 12 - Service Unit; CONDENSATE DRAIN; side drain; OPTIONAL REAR DRAIN KITS; On models equipped with a refrigerant

Manual 2100-522BPage 12 of 38 FRESH AIR INTAKE This unit is equipped with a fresh air damper assembly.The damper blade is locked in the closed position whenthe unit is shipped from the factory. To allow thedamper to operate remove the two plastic locking pins,one on each end of the blade. This will ...

Page 13 - STANDARD REAR DRAIN

Manual 2100-522B Page 13 of 38 WATERTRAP FIGURE 11 REAR DRAIN (TOP VIEW) WALL (MAXIMUM10" FOR REARDRAIN) COUPLINGS NOTSHOWN BUTRECOMMENDEDFOR EASE OFREMOVABILITYFOR SERVICE. SLEEVE DRAIN LINE WALLBRACKET UNIT FIGURE 10 STANDARD REAR DRAIN FIGURE 9 OPTIONAL SIDE DRAIN (SIDE VIEW) INSTALLATION Q-T...

Page 15 - SUPPLIED WITH DRAIN BOX KIT

Manual 2100-522B Page 15 of 38 SUPPLIED WITH DRAIN BOX KIT 3/4" PLASTIC PIPE NIPPLE HORIZONTAL TO FLOOR) (TIGHTEN THREADS SO TEE IS THREADS) (APPLY TEFLON TAPE TO REAR DRAIN CONNECTION IN Q/Tec PRODUCT 1/2" SLIP X 1/2" SLIP X 3/4" NPTTEE SUPPLIED WITH DRAIN BOX KIT PLUG INSTALLED IN ...

Page 19 - INSTALLATION INSTRUCTIONS; MOUNTING THE UNIT; NOTE: If the exterior wall thickness is between 5

Manual 2100-522B Page 19 of 38 INSTALLATION INSTRUCTIONS MOUNTING THE UNIT When installing a Q-T EC unit near an interior wall on the left side, a minimum of 8 inches is required; 12 inches ispreferred. When installing a Q-T EC unit near an interior wall on the right side, a minimum of 18 inches is ...

Page 20 - WIRING – MAIN POWER; MUST BE; WIRING – LOW VOLTAGE WIRING

Manual 2100-522BPage 20 of 38 The standard Climate Control Option X is a remote thermostat connection terminal block. See Figure 17 forwiring diagram. Compatible thermostats are listed inTable 4. The Climate Control Option A is an electronic, non- programmable manual or auto changeover thermostat.Th...

Page 21 - It is important that the; CAUTION; LOW VOLTAGE CONNECTIONS

Manual 2100-522B Page 21 of 38 LOW VOLTAGE CONNECTIONS FOR DDC CONTROL Fan Only Energize G Cooling Mode Energize Y1, G 1st Stage Heating Energize G, W1 2nd State Heating Energize G, W2 (if employed) Ventilation Energize G, F GENERAL This unit is equipped with a variable speed ECM motor.The motor is ...

Page 23 - REMOTE THERMOSTAT WIRING DIAGRAM; Rc

Manual 2100-522B Page 23 of 38 FIGURE 17 REMOTE THERMOSTAT WIRING DIAGRAM “X” THERMOSTAT OPTION NOTE: On option X or A the CS2000A* (or other field provided means to control ventilation)must be used if any of the motorizedventilation options are installed. 1 Y2 W1 R C W2 Y1 E 1 2 G Y2 A Y1 W2 C R W1...

Page 25 - UNIT MOUNTED THERMOSTAT WIRING DIAGRAM; Brown

Manual 2100-522B Page 25 of 38 FIGURE 19 UNIT MOUNTED THERMOSTAT WIRING DIAGRAM “D” THERMOSTAT OPTION W1/E 8403-060 "D" THERMOSTAT OPTION Y2 12 Plug #2 Brown G Purple Orange C Blue 9 10 6 5 Black/White A 3 11 8 4102-070 4 R Y1 7 Red/White W2 1 Yellow 2 Brown/White

Page 26 - la

Manual 2100-522BPage 26 of 38 FIGURE 20 UNIT MOUNTED THERMOSTAT WIRING DIAGRAM “H” THERMOSTAT OPTION WITH CO 2 3 2 4 5 1 24VAC Analog Part #8201-062 W1/E Y2 Orange Red/White Red Black Blue 9 10 6 Part #8403-060 5 Black/White G 3 11 8 4102-071 R Y1 Plug #2 C W2 1 Yellow 12 Purple Brown 7 A Out Part #...

Page 27 - START UP; TOPPING OFF SYSTEM CHARGE

Manual 2100-522B Page 27 of 38 START UP THESE UNITS REQUIRE R-410AREFRIGERANT AND POLYOLESTER OIL. GENERAL: 1. Use separate service equipment to avoid cross contamination of oil and refrigerants. 2. Use recovery equipment rated for R-410A refrigerant. 3. Use manifold gauges rated for R-410A (800 psi...

Page 28 - High Pressure Switch; IMPORTANT INSTALLER NOTE; verification of proper rotation must be made.; Do not plug in or unplug blower motor

Manual 2100-522BPage 28 of 38 START UP DESCRIPTION OF STANDARDEQUIPMENT High Pressure Switch Provides refrigerant circuit high pressure protection.Includes lockout circuit that is resettable from roomthermostat. Compressor Control Module Provides short cycle protection for the compressorwhich extend...

Page 29 - COMPRESSOR CONTROL MODULE; Adjustable Delay On Make And Break Timer; ADJUSTMENTS; Typical Settings for Dual Unit Installation:; SERVICE HINTS

Manual 2100-522B Page 29 of 38 All three phase scroll compressors used in the Q-T EC series are wired identically internally. As a result, oncethe correct phasing is determined for a specific systemor installation, connecting properly phased power leadsto the same Fusite terminal should maintain pro...

Page 31 - Underneath the heat recovery cassette there is a; ENERGY RECOVERY VENTILATOR

Manual 2100-522B Page 31 of 38 3. Underneath the heat recovery cassette there is a power connector for the lower blower assembly. Todisconnect this plug, the tabs on both sides of theplug must be squeezed to release the plug. Whilesqueezing the tabs, pull the plug out of the socket. 4. The QERV is p...

Page 32 - FRESH AIR DAMPER REMOVAL

Manual 2100-522BPage 32 of 38 FIGURE 21 FRESH AIR DAMPER REMOVAL MOUNTING SCREW

Page 33 - QERV REMOVAL

Manual 2100-522B Page 33 of 38 FIGURE 22 QERV REMOVAL MOUNTING SCREWS FRONT FILL LOWER BLOWER ASSEMBLY POWER CONNECTOR POWER CONNECTORS

Page 34 - Cooling

Manual 2100-522BPage 34 of 38 OPTIONAL CLIMATE CONTROLSSEQUENCE OF OPERATION The Climate Control Option A is an electronic, non-programmable manual or auto changeover thermostat.The thermostat may be manually set to heat or coolmode. The thermostat will maintain the temperature seton the thermostat ...

Page 35 - TROUBLESHOOTING GE ECM

Manual 2100-522B Page 35 of 38 TROUBLESHOOTING GE ECM ™ MOTORS CAUTION: Disconnect power from unit before removing or replacingconnectors, or servicing motor. To avoid electric shock fromthe motor’s capacitors, disconnect power and wait at least 5minutes before opening motor. Symptom Cause/Procedure...

Page 36 - Replacing ECM Control Module

Manual 2100-522BPage 36 of 38 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 w...

Page 37 - FAN BLADE SETTING DIMENSIONS; FAN BLADE SETTING; TABLE 6

Manual 2100-522B Page 37 of 38 FAN BLADE SETTING DIMENSIONS Any service work requiring removal or adjustment inthe fan and/or motor area will require that thedimensions in Table 5 be checked and blade adjusted inor out of the motor shaft accordingly. 1 Maximum ESP (inches WC) shown is with 1" th...