Hitachi RAM-10MQ, Installation & Maintenance Manual

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8
(3) Foundation Work
Please perform this work properly. Ensure the unit does not lean, vibrate, make a noise or fall in the event of strong wind or
earthquake.
1) The height of the base should be 150 mm higher than the ground level.
2) Perform adequate drainage around the foundation.
3) All foot of the outdoor unit need installing on the base.
4) Install the outdoor unit horizontally (Use a level gauge). Ensure the horizontal tolerance is within 10mm.
5) Precautions
The concrete base should be set along the foot direction as shown below. Incorrect installation may cause the foot of the
outdoor unit deformation.
(4) Anchor Bolt Installation Dimensions
RAM-8~12MQ(D) RAM-14~18MQ(D)
Unit
：
mm
(5) Confirmation of drainage
1) When Defrosting operate, the condensation water will be discharged. Select the best area for drainage.
The drain hole position is shown below
：
RAM-8MQ(D)~12MQ(D) RAM-14MQ(D)~18MQ(D)
Refrigerant Gas Piping
Connection Hole (
¯
60)
Refrigerant Liquid Piping
Connection Hole (
¯
47)
Circuit Control Connection
Hole (
¯
26x2)
Drain Hole (
¯
26)
Drain Connector
Position
Unit
：
mm
Hole of Anchor Bolt Hole of Anchor Bolt
4-38x15 4-38x15
Refrigerant Gas Piping
Connection Hole (
¯
60)
Refrigerant Liquid Piping
Connection Hole (
¯
47)
Circuit Control Connection Hole (
¯
26x2)
Drain Hole (
¯
26)
Drain Connector Position
Power Supply Connection Hole (
¯
52)
Power Supply Connection Hole (
¯
52)