McQuay MQS-24018-CFC216A, Инструкция по установке и эксплуатации

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CAUTION:
Take great care when carrying out the following
connections, so as to avoid malfunction of the
air-conditioning unit due to electromagnetic
interference.
(1) The signal line of the wire controller must be
separated from the power line and the connecting
line between the indoor unit and the outdoor unit.
(2) In case the unit is installed in a place
vulnerable to electromagnetic interference, it is
better to use shielded cable or twisted pair as the
signal line of the wire controller.
(4) Use cable fasteners to bundle and fix the cable.
2. Air-conditioning unit with 3-phase power supply
(1) Remove the front panel of the outdoor unit.
(2) Attach the rubber ring to the bond hole of the
outdoor unit.
(3) Pass the cable though rubber ring.
(4) Connect the power cable to the terminal and
grounding screws marked “L1, L2, L3 & N”.
(5) Use cable fasteners to bundle and fix the cable.
G. Main board Code Setting
Please find the corresponding mainboard according to the unit type and then check whether the mainboard code is
right according to the mainboard.
The relation between mainboard type and unit type:
Main board: Z4G25A
Code location and meaning:
Please find the corresponding mainboard according to the complete unit type and then check whether the mainboard
code conforms to the figures below according to the mainboard. Cooling only unit as well as cooling and heating
unit is differentiated by location “4” of DIP switch. When it is dialed to “4”, it means cooling and heating when it is
dialed to ON, it means cooling only. The third code remains in “3”. Please refer to the following figure for detailed
coding.
Floor Ceiling Type:
Cooling Only: Heat Pump:
11.3 Drainage Pipeline Installation
z If the outdoor unit is installed lower than the indoor unit (refer to Fig. 11-21)
(1) A drain pipe should be above ground and the end of the pipe does not dip into water. All pipes must be
restrained to the wall by saddles.
(2) Taping pipes must be done from bottom to top.
(3) All pipes are bound together by tape and restrained to wall by saddles.
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