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Summary of Contents for Bard QC Series
- Page 1 INSTALLATION INSTRUCTIONS QC Series Chilled Water Unit Models: QC501-A QC501-K QC501-L Bard Manufacturing Company, Inc. Manual No.: 2100-416L Bryan, Ohio 43506 Supersedes: 2100-416K Date: 6-5-20 www.bardhvac.com Page 1 of 29...
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Page 2: Table Of Contents
CONTENTS Getting Other Information and Publications ..3 Installation ............. 18 Mounting the Unit ..........18 QC Seris Water Source General Information ..4 Wiring – Main Power ........... 20 QC Model Nomenclature ........4 Wiring – Low Voltage ........... 21 Shipping Damage .......... -
Page 3: Getting Other Information And Publications
GETTING OTHER INFORMATION AND PUBLICATIONS These publications can help when installing the air For more information, contact these publishers: conditioner or heat pump. These can usually be found ACCA Air Conditioning Contractors of America at the local library or purchase them directly from the 1712 New Hampshire Avenue publisher. -
Page 4: Qc Seris Water Source General Information
QC SERIES WATER SOURCE GENERAL INFORMATION QC Model Nomenclature 1 – A Filter Options Valve Options X - 1" Fiberglass Model Number 4 - 2-way valve (Standard) QC - Q-TEC™ Model 0Z - 0 KW 5 - 3-way valve F - 2" Fiberglass... - Page 5 TABLE 3 Cooling Performance chart BTUH Capacity (1000) BTUH Capacity (1000) Water Coil Pressure Drop Stage 1 Stage 1 and 2 Total Sensible Latent Total Sensible Latent PSIG Ft. Hd. 15.1 10.5 38.5 25.3 13.2 1000 16.4 11.1 41.5 26.8 14.7 17.4 11.7...
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Page 6: Figure 1 Unit Dimensions
Manual 2100-416L Page 6 of 29... -
Page 7: Shipping Damage
Shipping Damage to keep it from tipping up. The skid can be slid out from under the unit. The unit can then be set upright. Upon receipt of equipment, the carton should be checked for external signs of shipping damage. The Handling Unit after Removal from Skid skid must remain attached to the unit until the unit is ready for installation. -
Page 8: Removal Of Wall Bracket From Shipping Location
FIGURE 3 Proper Handling of Unit after Removal from Skid Q-TEC Unit (Right Side) Strap Appliance Cart Removal of Wall Bracket from Shipping These instructions and any instructions packaged with any separate equipment required to make up the entire Location air conditioning system should be carefully read before Units without Vent Options beginning the installation. -
Page 9: Minimum Installation Height
FIGURE 4 Installation of Unit through Wall with Wall Sleeve Minimum Installation Height The minimum installation height of the unit with a free blow plenum is 8' 6". This provides enough clearance for the plenum to be removed (see Figure 7 on page 12). -
Page 10: Figure 5 Shipping Assembly - Bracket Locations
FIGURE 5 Shipping Assembly – Bracket Locations BACK VIEW Q-SERIES WALL BRACKETS(2) PART #112-289 ATTACHED TO BACK OF UNIT NOTE: FOR USE WITH BLANK-OFF PLATE OPTION ONLY Q-SERIES SLEEVE MOUNTING BRACKETS (2). ATTACHED TO SHIPPING PALLET. SMALL CABINET PART #112-289 (2 PLACES) LARGE CABINET PART #113-387 (2 PLACES) NOTE: NOT A PICTORIAL REPRESENTATION... -
Page 11: Figure 6 Installation Of Qc Wall Sleeve Through A Window Opening
FIGURE 6 Installation of QC Wall Sleeve Through a Window Opening UNIT Mounting Bracket Where Used Bard P/N WALL SLEEVE 112-234 Small Cabinet Models SHOWN WITHOUT 113-387 Large Cabinet Models OUTSIDE GRILLE INSULATION SLEEVE SPACER FOR GRILLE CLEARANCE 2.500 *32.750... -
Page 12: Figure 7 Installation With Free Blow Plenum
FIGURE 7 Installation with Free Blow Plenum CEILING FLOOR FIGURE 8 Ducted Application FLOOR Manual 2100-416L Page 12 of 29... -
Page 13: Duct Work
Duct Work When used with a ducted supply, a QCX cabinet extension can be used to conceal the duct work Any heat pump is more critical of proper operating above the unit to the ceiling. This extends 20" above charge and an adequate duct system than a straight air the unit for a total height above the floor of 10'- conditioning unit. -
Page 14: Condensate Drain
Condensate Drain installations, the drain tube is to be slipped over the pipe connection inside of the cabinet. The condensate drain hose is routed down from the See Figures 11A, 11B and 11C. evaporator drain pan on the right side of the unit into the compressor compartment. -
Page 15: Mist Eliminator Service
Mist Eliminator Service Commercial Room Ventilator Option (Optional – only used with one of the vent options) Before starting the removal make sure the power has been turned off. The hinged return air grille must be A mist eliminator is supplied with the wall sleeve. The opened. -
Page 16: Figure 12 Fresh Air Damper Removal
FIGURE 12 Fresh Air Damper Removal MOUNTING SCREW Manual 2100-416L Page 16 of 29... -
Page 17: Figure 13 Removal Of Q-Tec Erv
Q-TEC Energy Recovery Ventilator Option disconnect this plug, the tabs on both sides of the plug must be squeezed to release the plug. While Before starting the removal make sure that the power squeezing the tabs, pull the plug out of the socket. has been turned off. -
Page 18: Figure 14 Remove Locking Screws From Wheels
INSTALLATION Mounting the Unit the ceiling height or overlap the unit side trim. There is sufficient length to trim up to a 10'-2" When installing a QC unit near an interior wall on the ceiling. left side, a minimum of 8" is required; 12" is preferred. When installing a QC unit near an interior wall on the FIGURE 14 right side, a minimum of 12"... -
Page 19: Figure 15 Unit Mounting Without Wall Sleeve
FIGURE 15 Unit Mounting without Ventilation Wall Sleeve SIDE TRIM (2 PIECES) SIDE TRIM (2 PIECES) WALL MOUNTING BRACKET BOTTOM TRIM BOTTOM TRIM PIECE EXTENSION Manual 2100-416L Page 19 of 29... -
Page 20: Figure 16 Component Location
FIGURE 16 Component Location SIDE FIELD WIRE ENTRANCE REMOTE THERMOSTAT TERMINAL BLOCK INDOOR BLOWER CONTROL BOX/ CIRCUIT BREAKER PANEL Wiring – Main Power unit and/or wiring diagram will be marked “Use Copper Conductors Only”. These instructions must be adhered Refer to the unit rating plate and/or Table 2 on page 4 to. -
Page 21: Wiring - Low Voltage
The unit rating plate lists a “Maximum Time Delay General Relay Fuse” or circuit breaker that is to be used with This unit is equipped with a variable speed ECM motor. the equipment. The correct size must be used for The motor is designed to maintain rated airflow up to proper circuit protection and also to assure that there the maximum static allowed. -
Page 22: Figure 17 Blower Motor Low Voltage Wire Harness Plug
Low Voltage Connections “W2” terminal or pin 9 of P2 is second stage heating output. These units use a grounded 24 volt AC low voltage “3” terminal of pin 5 of P2 is the ventilation input. circuit. This terminal energizes any factory installed ventilation The “R”... -
Page 23: Figure 18 Remote Thermostat Wiring "X" Option
FIGURE 18 Remote Thermostat Wiring Diagram “X” Option Manual 2100-416L Page 23 of 29... -
Page 24: Figure 19 Remote Thermostat Wiring "D" Option
FIGURE 19 Remote Thermostat Wiring Diagram “D” Thermostat Option Manual 2100-416L Page 24 of 29... -
Page 25: Start Up
START UP Optional CFM Sequence of Operation These units are shipped from the factory set to operate First Stage Cooling – Circuit R-Y1 makes the at the optional CFM level shown in Table 6. This thermostat open the first stage cooling water valve. provides lower operating sound levels for non-ducted, Second Stage Cooling –... -
Page 26: Tm Motors
TROUBLESHOOTING INDOOR ECM ™ BLOWER MOTORS Symptom Cause/Procedure CAUTION: • Noisy blower or cabinet • Check for loose blower housing, panels, etc. Disconnect power from unit before removing or replacing • High static creating high blower speed? connectors, or servicing motor. To avoid electric shock from - Check for air whistling through seams in ducts, cabinets or panels the motor’s capacitors, disconnect power and wait at least 5... -
Page 27: Figure 20 Control Disassembly
7. Verify that the replacement control is correct for your application. Replacing ECM Control Module* Refer to the manufacturer’s authorized replacement list. USING THE To replace the control module for the GE variable-speed indoor blower WRONG CONTROL WILL RESULT IN IMPROPER OR NO motor you need to take the following steps: BLOWER OPERATION. -
Page 28: Figure 23 Internal 2-Way Valve Piping
FIGURE 23 Internal 2-Way Valve Piping Valve Location WATER IN WATER OUT Water Valves Valve Detail "NC" side of valve "COM" side of valve "NO" side of valve MIS-1899 A Manual 2100-416L Page 28 of 29... -
Page 29: Figure 24 Internal 3-Way Valve Piping
FIGURE 24 Internal 3-Way Valve Piping Valve Location WATER IN WATER OUT Water Valves Valve Detail "NC" side of valve "COM" side of valve "NO" side of valve MIS-1900 A Manual 2100-416L Page 29 of 29...