Bard Q48H1 - Manuals - manualsarea.com

Page 2 - CONTENTS

Manual 2100-519CPage 2 of 42 CONTENTS Getting Other Information and Publications For more information, contact these publishers: .......... 3 Q-T EC General Information Q-T EC Model Nomenclature ......................................... 4 Shipping Damage ................................................

Page 3 - GETTING OTHER INFORMATION AND PUBLICATIONS; Manual N

Manual 2100-519C Page 3 of 42 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 2100-519CPage 4 of 42 TABLE 1 FACTORY BUILT-IN ELECTRIC HEAT TABLE s l e d o M A - 1 H 4 2 Q A - 1 H 0 3 Q B - 1 H 4 2 Q B - 1 H 0 3 Q C - 1 H 4 2 Q C - 1 H 0 3 Q A - 1 H 6 3 Q A - 1 H 2 4 Q A - 1 H 8 4 Q A - 1 H 0 6 Q B - 1 H 6 3 Q B - 1 H 2 4 Q B - 1 H 8 4 Q B - 1 H 0 6 Q C - 1 H 6 3 Q C - ...

Page 5 - TABLE 2

Manual 2100-519C Page 5 of 42 t i u c r i C e l g n i S t i u c r i C l a u D l e d o M d e t a R s tl o V e s a h P d n a d l e i F . o N r e w o P s t i u c r i C 3 m u m i n i M t i u c r i C y t i c a p m A 1 m u m i x a M e s u F l a n r e t x E . r k r B . t k C r o 2 d l e i F r e w o P e z i...

Page 7 - FIGURE 3; WARNING; FIGURE 2; UNIT

Manual 2100-519C Page 7 of 42 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 - GENERAL; FIGURE 4

Manual 2100-519CPage 8 of 42 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 cannot be slid through the door, then the unitwil...

Page 9 - FIGURE 6

Manual 2100-519C Page 9 of 42 FIGURE 6 DUCTED APPLICATION FIGURE 5 INSTALLATION WITH FREE BLOW PLENUM

Page 10 - DUCT WORK; series heat pump has provision to attach a; series heat pumps are designed for use with; FILTERS; FIGURE 7; FIGURE 8

Manual 2100-519CPage 10 of 42 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) is...

Page 11 - FRESH AIR INTAKE; Service Unit; CONDENSATE DRAIN; The; OPTIONAL REAR DRAIN KITS; On models equipped with a refrigerant

Manual 2100-519C Page 11 of 42 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 12 - STANDARD REAR DRAIN; FIGURE 9

Manual 2100-519CPage 12 of 42 FIGURE 10 STANDARD REAR DRAIN WATERTRAP FIGURE 11 REAR DRAIN (TOP VIEW) WALL (MAXIMUM 10"FOR REAR DRAIN) COUPLINGS NOTSHOWN BUTRECOMMENDEDFOR EASE OFREMOVABILITYFOR SERVICE. SLEEVE DRAIN LINE WALLBRACKET UNIT FIGURE 9 OPTIONAL SIDE DRAIN (SIDE VIEW) INSTALLATION Q-T...

Page 17 - UNIT MOUNTING - METHOD 1

Manual 2100-519C Page 17 of 42 Washer Sleeve Stud MIS-2689 Nut Lower Control Panel Condenser Door (Removed) Return Grille FIGURE 13A UNIT MOUNTING - METHOD 1 BOTTOMTRIMPIECE BOTTOM TRIMEXTENSION MOUNTINGBRACKET SIDE TRIM(2 PCS.) SIDE TRIM(2 PCS.) CABINET SIDE PANEL ENLARGED VIEW OF MOUNTINGBRACKET S...

Page 18 - INSTALLATION INSTRUCTIONS; MOUNTING THE UNIT; NOTE: If the exterior wall thickness is between 5; REMOVING LOCKING SCREWS FROM WHEELS

Manual 2100-519CPage 18 of 42 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 r...

Page 19 - Option X; WIRING – MAIN POWER; MUST BE; WIRING – LOW VOLTAGE WIRING

Manual 2100-519C Page 19 of 42 The standard Climate Control Option X is a remote thermostat connection terminal block. See Figure 17Afor wiring diagram. Compatible thermostats are listedin Table 4. See Fig. 17B for Remote CO 2 Sensor Connection. The Climate Control Option A is an electronic, non- pr...

Page 20 - LOW VOLTAGE CONNECTIONS; Both must be energized; output; il; It is important that the; CAUTION

Manual 2100-519CPage 20 of 42 LOW VOLTAGE CONNECTIONS These units use a grounded 24 volt AC low voltagecircuit. The “R” terminal is the hot terminal and the “C” terminal is grounded. “G” terminal or pins 6 and 1 of P2 are the fan inputs . Both must be energized for proper fan operation. This is done...

Page 21 - TABLE 4

Manual 2100-519C Page 21 of 42 MIS-1285 FIGURE 16 TABLE 4 WALL THERMOSTATS t a t s o m r e h T s e r u t a e F t n a n i m o d e r P 0 6 0 - 3 0 4 8 ) 5 4 4 - 0 2 1 1 ( t a e H e g a t s 3 ; l o o C e g a t s 3 c i n o r t c e l E e l b a m m a r g o r P - n o N / e l b a m m a r g o r P l a n o i t...

Page 22 - Factory installed jumper.; REMOTE THERMOSTAT WIRING DIAGRAM

Manual 2100-519CPage 22 of 42 Bard Part #8403-060 Thermostat Brown/White Red/White Yellow Blue Brown Orange Orange Red/Yellow Black/White R Y L W1 B W2 E C W3 O1 G C E Aux O/B Y R R Y1 L O/B W2 Bard Part #8403-058 W1/E C G Thermostat #TH522001151 MIS-2687 Rc REMOTE THERMOSTAT WIRING DIAGRAM "X&#...

Page 25 - UNIT MOUNTED THERMOSTAT WIRING DIAGRAM

Manual 2100-519C Page 25 of 42 2 Orange Red/White Blue 9 W1/E 10 6 Temp. and Humidity Controller PART #8403-060 5 Black/White G O/B 3 11 8 4102-060 R Y1 Plug #2 C W2 1 Yellow 12 Red/Yellow Brown 7 Orange A Brown/White 4 FIGURE 19 UNIT MOUNTED THERMOSTAT WIRING DIAGRAM “D” THERMOSTAT OPTION

Page 27 - START UP; TOPPING OFF SYSTEM CHARGE

Manual 2100-519C Page 27 of 42 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 - Solid State Electronic Heat Pump Control; IMPORTANT INSTALLER NOTE; verification of proper rotation must be made.

Manual 2100-519CPage 28 of 42 START UP DESCRIPTION OF STANDARDEQUIPMENT Solid State Electronic Heat Pump Control Provides efficient 30-minute defrost cycle. A thermistorsensor and speed up terminal for service along with a10-minute defrost override are standard on the electronicheat pump control. Hi...

Page 29 - SERVICE HINTS

Manual 2100-519C Page 29 of 42 SERVICE HINTS 1. Caution user to maintain clean air filters at all times. Also, not to needlessly close off supply airregisters. This may reduce airflow through thesystem, which shortens equipment service life aswell as increasing operating costs and noiselevels. 2. Sw...

Page 30 - ENERGY RECOVERY VENTILATOR; VENT OPTIONS

Manual 2100-519CPage 30 of 42 Q-T EC ENERGY RECOVERY VENTILATOR (Option) Before starting, make sure that the power has beenturned off. The return air grille panel must be removed.The energy recovery ventilator (QERV) can be seenafter the panel has been removed. To gain access to themist eliminator, ...

Page 31 - FRESH AIR DAMPER REMOVAL

Manual 2100-519C Page 31 of 42 FIGURE 21 FRESH AIR DAMPER REMOVAL MOUNTINGSCREW

Page 32 - QERV REMOVAL

Manual 2100-519CPage 32 of 42 FIGURE 22 QERV REMOVAL MOUNTINGSCREWS FRONT FILL LOWER BLOWER ASSEMBLY POWER CONNECTOR POWER CONNECTORS

Page 33 - SEQUENCE OF OPERATION; COOLING; A 24V solenoid coil on reversing valve

Manual 2100-519C Page 33 of 42 SEQUENCE OF OPERATION COOLING – Circuit R-Y makes at thermostat pulling in compressor contactor, starting the compressor andoutdoor motor. The G (indoor motor) circuit isautomatically completed on any call for coolingoperation or can be energized by manual fan switch o...

Page 34 - Low Pressure Switch Bypass Operation

Manual 2100-519CPage 34 of 42 PRESSURE SERVICE PORTS High and low pressure service ports are installed on all unitsso that the system operating pressures can be observed.Pressure tables can be found later in the manual covering allmodels. It is imperative to match the correct pressure tableto the un...

Page 35 - DEFROST CONTROL BOARD

Manual 2100-519C Page 35 of 42 120* SW 1 SW 2 TIME (SEC) OFFOFF ONON OFF ON OFF ON 3060 180 LOW PRESSURE BYPASS TIMER SWITCH(FACTORY SETTING 120 SECONDS) ACCUMULATED RUN TIME SELECTOR (FACTORY SETTING 30 MIN.) MIS-2684 A ON OFF FIGURE 24 DEFROST CONTROL BOARD

Page 36 - TROUBLESHOOTING; TABLE 5; LED BLINK CODES; BLINK

Manual 2100-519CPage 36 of 42 TROUBLESHOOTING TABLE 5 TROUBLESHOOTING m o t p m y S s e s u a C e l b i s s o P & k c e h C , n o i t p i r c s e D r i a p e R / k c e h C o t w o H & t a h W ll i w r o s s e r p m o C g n i t a e h ( t r a t s t o n ) g n il o o c r o . n o i t a n i m u l ...

Page 37 - CHECKING TEMPERATURE SENSOR; Disconnect temperature sensor from board and from

Manual 2100-519C Page 37 of 42 CHECKING TEMPERATURE SENSOR 1. Disconnect temperature sensor from board and from outdoor coil. 2. Use an ohmmeter and measure the resistance of the sensor. Also use ohmmeter to check for short oropen. 3. Check resistance reading to chart of resistance use sensor ambien...

Page 39 - TROUBLESHOOTING GE ECMTM MOTORS CONT’D.; Replacing ECM Control Module

Manual 2100-519C Page 39 of 42 TROUBLESHOOTING GE ECM™ MOTORS CONT’D. Replacing ECM Control Module To replace the control module for the GE variable-speed indoor blowermotor you need to take the following steps: 1. You MUST have the correct replacement module. The controls are factory programmed for...

Page 40 - FAN BLADE SETTING DIMENSIONS; TABLE 8; REFRIGERANT CHARGE

Manual 2100-519CPage 40 of 42 FAN BLADE SETTING DIMENSIONS Any service work requiring removal or adjustment inthe fan and/or motor area will require that thedimensions in Table 7 be checked and blade adjusted inor out of the motor shaft accordingly. 1 Maximum ESP (inches WC) shown is with 1" thi...

Page 41 - TABLE 9

Manual 2100-519C Page 41 of 42 Low side pressure ± 4 psig High side pressure ± 10 psig Tables are based upon rated CFM (airflow) across the evaporator coil. If there is any doubt as to correctoperating charge being in the system, the charge should be removed, system evacuated and recharged toserial ...

Page 42 - HEATING PRESSURE

Manual 2100-519CPage 42 of 42 TABLE 10 HEATING PRESSURE (ALL TEMPERATURES IN DEGREES F) L E D O M N R U T E R R I A . P M E T E R U S S E R P L I O C R O O D T U O G N I R E T N E E R U T A R E P M E T R I A 0 5 0 1 5 1 0 2 5 2 0 3 5 3 0 4 5 4 0 5 5 5 0 6 1 H 4 2 Q 0 7 e d i S w o L e d i S h g i H ...