CONTENTS Getting Other Information and Publications ..3 Installation Instructions........16 For more information, contact these publishers: ..3 Mounting the Unit ..........16 Wiring – Main Power ........... 18 QC General Information ......... 4 Wiring – Low Voltage Wiring ......... 19 QC Model Nomenclature ........
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 at the local library or purchase them directly from the ACCA Air Conditioning Contractors of America publisher.
NOTE 1: Electric heat available P - Commercial Ventilator (w/Exhaust) Motorized, Power Return for -A models only R - Energy Recovery Ventilator (w/Exhaust) - 230/208-60-1 versions only Table 1 Factory Built-in Electric Heat Table Models QC501-A 240V-1 208V-1 BTUH BTUH 16,380 12,290 10.0...
SHIPPING DAMAGE 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 skid must remain attached to the unit until the unit is FROM SKID ready for installation.
FIGURE 3 Proper Handling of Unit after Removal from Skid Q-TEC Unit (Right Side) Strap Appliance Cart REMOVAL OF WALL BRACKET FROM While these instructions are intended as a general SHIPPING LOCATION recommended guide, they do not supersede any national and/or local codes in any way. Authorities The wall brackets are attached to the back of the unit.
DUCT WORK When used with a ducted supply, a QCX Cabinet 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 charge and an adequate duct system than a straight air unit for a total height above the floor of 10'-7/8".
CONDENSATE DRAIN See Figures 9A, 9B and 9C. NOTE: Whichever type of drain connection is used a The condensate drain hose is routed down from the “P” trap must be formed. evaporator drain pan on the right side of the unit into the compressor compartment.
Barometric Fresh Air Damper (Optional) The rear drain can be used where there is a distance of 4 1/2" available between the unit and wall to install a Before starting the removal make sure the power has trap (see Figure 9B). The trap cannot extend beyond been turned off.
Q-TEC Energy Recovery Ventilator Option 3. Underneath the heat recovery cassette there is a power connector for the lower blower assembly. To Before starting the removal make sure that the power disconnect this plug, the tabs on both sides of the has been turned off.
INSTALLATION INSTRUCTIONS MOUNTING THE UNIT 7. Position side trim pieces to the wall and attach with field-supplied screws. There are two long and When installing a QC unit near an interior wall on the two short pieces supplied. The long pieces are to left side, a minimum of 8"...
FIGURE 13 Unit Mounting without Ventilation Wall Sleeve (Refer to Mounting Instructions on page 16) SIDE TRIM (2 PIECES) SIDE TRIM (2 PIECES) WALL MOUNTING BRACKET BOTTOM TRIM BOTTOM TRIM PIECE EXTENSION Manual 2100-416J Page 17 of 27...
FIGURE 14 Component Location SIDE FIELD WIRE ENTRANCE REMOTE THERMOSTAT TERMINAL BLOCK INDOOR BLOWER CONTROL BOX/ CIRCUIT BREAKER PANEL WIRING – MAIN POWER “Use Copper Conductors Only”. These instructions must be adhered to. Refer to the National Electrical Refer to the unit rating plate and/or Table 2 for wire Code (NEC) for complete current carrying capacity data sizing information and maximum fuse or circuit breaker on the various insulation grades of wiring material.
The unit rating plate lists a “Maximum Time Delay The Climate Control Option D is an electronic, Relay Fuse” or circuit breaker that is to be used with programmable thermostat. The subbase of the the equipment. The correct size must be used for thermostat is factory wired to the front panel of the proper circuit protection and also to assure that there unit.
“Y2” terminal or pin 12 of P2 is the second stage Low Voltage Connections cooling input. These units use a grounded 24 volt AC low voltage circuit. “W2” terminal or pin 9 of P2 is second stage heating output. The “R” terminal is the hot terminal and the “C” “3”...
CFM @ MAX. MODEL MAX. ESP RATED CFM OPTIONAL CFM QC501 1200 1000 1000 1175 NOTE: These units are equipped with a variable speed (ECM) indoor motor that automatically adjusts itself to maintain approximately the same rate of indoor air flow in both heating and cooling, dry and wet coil conditions, and at both 230/208 or 460 volts.
TROUBLESHOOTING INDOOR ECM ™ BLOWER MOTORS CAUTION: Symptom Cause/Procedure • 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 the motor’s capacitors, disconnect power and wait at least 5 ducts, cabinets or panels...
Replacing ECM Control Module 7. Verify that the replacement control is correct for your application. 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.
FIGURE 21 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 2100-416J Page 26 of 27...
FIGURE 22 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 2100-416J Page 27 of 27...