Acoustical Duct Work — Certain installations may require the use of acoustical lining inside the supply duct work. Acoustical insulation must be in accordance with the current revision of the Sheet Metal and Air Conditioning Contractors National Association (SMACNA) application standard for duct liners. Duct lining must be UL classified batts or blankets with a fire hazard classification of
Horizontal to Down flow Conversion — The unit is shipped ready for horizontal duct connections. If down flow ducts are required, the unit must be converted following the steps below for both the supply and return ducts.
1)Locate the duct cap inside the duct openings and remove the screw holding it in place.
2)Lift the cap out of the unit. (The cap can be pushed up from the bottom by reaching through the fork slot).
3)Cover the horizontal duct opening with the cap. The insulation will be on the indoor side.
4)Fasten the cover with screws and seal to prevent air leakage.
Clearance — The Q4 Series is approved for 0 inch clearance.
2" |
ELECTRICAL WIRING
General — Electrical power wiring must be made in accordance with all applicable local codes and ordinances, and with the current revision of the National Electric Code NFPA 70 or in Canada CSA C.22.1 - Canadian Electrical Code Part 1. If any of the original wire as supplied with the unit must be replaced, it must be replaced with material of the same gage and temperature rating.
Line Voltage — Before proceeding with the electrical connections, make certain that the voltage, frequency, and phase of the supply source are the same as those specified on the unit rating plate. Also verify that the service provided by the utility is sufficient to handle the additional load imposed by this equipment.
!WARNING:
To avoid the risk of electrical shock, personal injury, or death, disconnect all electrical power to the unit before performing any maintenance or service. The unit may have more than one electrical power supply.
See Figure 8 or the unit wiring label for proper high and low voltage wiring. Make all electrical connections in accordance with all applicable codes and ordinances.
Figure 6. Ground Level Installation | Figure 7. Roof Top Installation |
8
