Installation RMC / RZ / RM / RL
8 © robatherm
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Assembly and Installation
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Unit Installation
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Attention
robatherm units must not take on any functions of the building itself.
If a unit is misused, for example by substituting base of unit for building roof or by allocating
static functions to the unit, all warranty obligations on the part of robatherm will lapse.
Observe the notes in VDI 3803.
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Foundation
Install units on a firm and flat foundation. Any unevenness, leading to non-parallel frames of
connecting parts, must be flattened out with suitable supports (metal strips or equivalent).
Maximum tolerance to the horizontal is s = 0.5 % (max angle of inclination: 0.3°).
The foundation must conform to the building requirements in terms of statics, acoustics and
proper water drainage (drip pan, air humidifier, etc.). Structural beams must be one single
piece over their entire length. The maximum beam distortion is 1/1000 of the beam length.
The distance between horizontal beams may not exceed 24 modules (2.5 m) (see robatherm
planning recommendations).
The natural frequency of the supporting structure, especially steel supports, must be
separated adequately from the exciter frequency of rotating components of e.g. fans, motors,
pumps, compressors etc,
Standing Safety
Units installed outside must be secured to the foundations in accordance with the expected
wind speed at the place of installation. This applies for all units with integrated motor
extraction device.
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Lifting Gear
Only use suitable and permitted lifting gear for assembly. Only apply lifting gear at the top
edge of the base frame to avoid any deformations.
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Mechanical Equipment Room
The requirements of mechanical equipment rooms must be observed in accordance with the
VDI 2050 for operations and maintenance. This also includes sufficient maintenance space,
ventilation as well as compliance with the temperature and humidity requirements.
In front of heating and cooling coils, it is recommended to allow an obstacle-free area, at
least as wide as the AHU’s depth for maintaining those coils.
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