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IMPORTANT SAFETY INFORMATION .............................. 2
GENERAL INFORMATION ................................................. 3
Equipment Check ............................................................. 3
Unit Location .................................................................... 3
Clearances to Combustible Materials .............................. 3
Thermostat ....................................................................... 4
Air Filter Requirements .................................................... 4
Condensate Drain ............................................................ 4
UNIT INSTALLATION ......................................................... 4
Minimum Clearance Requirements .................................. 4
Packaging Removal ......................................................... 4
Rigging & Hoisting ........................................................... 4
Rooftop Mounting ............................................................. 5
Ground Level .................................................................... 5
CIRCULATING AIR SUPPLY .............................................. 6
Unconditioned Spaces ..................................................... 7
Acoustical Ductwork ......................................................... 7
Downflow to Horizontal Conversion ................................. 7
ELECTRICAL WIRING ........................................................ 7
Pre-Electrical Checklist .................................................... 7
Line Voltage ..................................................................... 7
Grounding ........................................................................ 7
Unbalanced 3-Phase Supply Voltage ............................... 8
Blower Speed ................................................................... 8
Low Voltage Connections - Thermostat ........................... 8
Defrost Cycle Timer ......................................................... 9
Defrost Control Board ...................................................... 9
Operational Information ................................................ 9
Normal defrost operation .............................................. 9
Defrost Test Procedure ................................................. 9
STARTUP & ADJUSTMENTS ............................................ 10
Pre-Start Check List ......................................................... 10
Startup-Up Procedures .................................................... 10
Air Circulation ................................................................... 10
Heat Pump Cooling Operation for 2 Stage....................... 10
Short Cycle Protection ..................................................... 10
Heat Pump Heating Operation for 2 or 3 Stage ............... 10
Field Installed Electric Heat (Optional)............................. 11
Emergency Heat .............................................................. 11
Defrost Mode ................................................................... 11
OPERATING SEQUENCE .................................................. 11
Heat Pump Cooling Mode ................................................ 11
Blower Mode .................................................................... 12
Heat Pump Heating Mode ................................................ 12
Heat Pump Heating Mode + Optional Electric Heat ......... 12
Emergency Heat Mode .................................................... 12
Unit Fails to Operate ........................................................ 12
UNIT MAINTENANCE ......................................................... 12
Routine Maintenance ....................................................... 12
Air Filters ...................................................................... 12
Blower Compartment.................................................... 12
Condensate Drain & Outdoor Coil ............................... 12
Electrical ....................................................................... 13
Motor Lubrication.......................................................... 13
Refrigerant Charging ........................................................ 13
REPLACEMENT PARTS ..................................................... 13
COMPONENT FUNCTIONS ............................................... 13
FIGURES & TABLES .......................................................... 14
Figure 9. Q6SP Components ....................................... 14
Physical Data ................................................................... 15
Figure 10. Q6SP - 090 & 120 Series ............................ 15
Table 1. Unit Weights & Center of Gravity .................... 16
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TABLE OF CONTENTS
Electrical Data .................................................................. 17
Table 2. Q6SP Electrical Data - Multiple Supply
Table 3. H5HK Electrical Data - Multiple Supply
Table 4. Q6SP Electrical Data - Single Supply Circuits 18
Figure 11. Ladder Diagram for Q6SP-090/120
Figure 12. Wiring Diagram for Q6SP - 090/120
Blower Performance Tables.............................................. 21
Table 5. Q6SP Series Alternate Accessory
Table 6. Blower Performance for Q6SP-090(C,D)a
Table 7. Blower Performance for Q6SP-090(C,D)a
Table 8. Blower Performance for Q6SP-120(C,D)a
Table 9. Blower Performance for Q6SP-120(C,D)a
Cooling Mode Charging Charts ....................................... 26
Figure 13. Charging Chart for 7 1/2 Ton Units .............. 27
Figure 14. Charging Chart for 10 Ton Units .................. 27
Heating Mode, Charge Verification Charts ....................... 28
Figure 15. Verification Chart for 7 1/2 ton units ............ 29
Figure 16. Verification Chart for 10 ton units ................ 29
INSTALLATION / PERFORMANCE CHECK LIST ............. 32
IMPORTANT SAFETY INFORMATION
Please read all instructions before servicing this equipment.
Pay attention to all safety warnings and any other special
notes highlighted in the manual. Safety markings are
used frequently throughout this manual to designate a
degree or level of seriousness and should not be ignored.
WARNING indicates a potentially hazardous situation that
if not avoided, could result in personal injury or death.
CAUTION indicates a potentially hazardous situation that
if not avoided, may result in minor or moderate injury or
property damage.
Failure to follow safety warnings exactly could
result in serious injury or property damage.
Improper servicing could result in dangerous
operation, serious injury, death or property
damage.
• Before servicing, disconnect all electrical power
to the equipment.
• When servicing controls, label all wires prior to
disconnecting. Reconnect wires correctly.
• Verify proper operation after servicing.
Circuits / Unit Only .......................................... 17
Circuits ............................................................ 17
(C/D) Series ................................................. 19
(C/D) Series ................................................. 20
Blower Drives .................................................. 21
Series (7.5 Ton Downflow Models Only) ......... 22
Series (7.5 Ton Horizontal Models Only) ......... 23
Series (10 Ton Downflow Models Only) .......... 24
Series (10 Ton Horizontal Models Only) .......... 25
WARNING:
ELECTRICAL SHOCK, FIRE OR
EXPLOSION HAZARD
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