Installation Of Outdoor Unit; Initial Check; Installation - Hitachi air Core 600 Installation & Maintenance Manual

4. The Installation of Outdoor Unit
4.1 The Initial Check
● The outdoor unit should be kept in well ventilated and dry place.
● Make sure that the noise and exhaust does not disturb your neighbors.
● Never install the outdoor unit at the place with high oil fog, acidic or alkaline environment, salt mist or harmful
gas such as sulfur steam.
● Ensure that the unit is installed at least 3 meters away from radiation source.
● Install snow hood before the inlet and outlet of the outdoor unit, when it is installed in ice covered area.
● Install the outdoor unit in shaded place to avoid the direct sunshine and high temperature heat radiation.
● Do not install the unit at places with dust and pollution to avoid the heat exchanger getting blocked.
● Do not install the unit at a place where the indoor/outdoor unit is easily reachable.
● Do not install the unit at a place where the rain or wind between building can blow the fan directly.
NOTE:
●
The fan could be destroyed by strong wind when it blows the exchanger of the outdoor unit directly.
●
Be cautious of the sharp aluminum foil fins, it can injure your hands if touched.
●
Only the service engineer can touch the outdoor unit.

4.2 Installation

(1) Use the washers provided as accessories to fasten the appliance at the foundation bolts.
(2) When fastening the outdoor unit with the foundation bolts, the fasten holes position should be as shown in
Fig. 4.2.
(3) Fasten the outdoor unit as shown in Fig. 4.3.
(4) Ensure to fasten the outdoor unit tightly in an horizontal position to avoid noise generation when it gets
inclined by strong earthquake or breeze.
(5) Do not drain off water into public places to avoid slippery path.
(6) Make a strong base (made of concrete or similar construction). The appliance should be placed at least 10cm
above the ground level to avoid getting wet or corroded. Otherwise, it may cause damage to the appliance or
reduce its life time. (Fig. 4.4)
(7) Fix the unit with wire ropes to prevent overturning in case a strong seasonal wind blows against the unit.
(Fig. 4.5)
Over 300mm(Single fan)
Over 600mm(Double fan)
Fig. 4.1
Installation and Maintenance
Fig.4.2 The position of anchor bolts
Model
A
Capacity(Btu/h)
18K 810
25K/30K 860
36K 900
42K/48K55K 900
31
(Unit:mm)
B C D E F
281 510 310 338 150
310 542 341 368 168
340 608 368 398 146
320 535 357 385 195
d
10×17
11×17
10×20
12×20