Installation Instructions; Installing The Unit; Connecting The Drain Pan - P.LEMMENS HRup 450 TAC5 Manuel D'installation Et De Maintenance

2. INSTALLATION INSTRUCTIONS

2.1. Installing the unit

 The HRup series is delivered with a base frame and in one piece (no assembly required).
The frame must not be removed, it is important for the rigidity of the unit. The base frame is designed to allow
manipulation of the unit.

Make sure the unit is installed on a flat surface

Fan removal requires a minimum clearance of 80 cm on both sides of the HRup. Single side access makes this
operation impracticable. This 80 cm clearance allows easy access to all other components (controller, filter,
heat exchanger), except for model HRup 1200 where a clearance of 95 cm is necessary to replace the filters.

Special care has been taken to deliver an airtight unit. Make sure the ductwork is also very airtight, specially at
the connections with the unit on the supply air side.

2.2 Connecting the drain pan

 To insure a good flow of the condensates the unit should be slightly inclined ( 2°) in the direction of the water
flow. This also avoids water stagnation in the drainpan.
 The siphon must be properly installed to allow good water flow :
Before starting, control the following points:
- if the drain pan is watertight;
- the connection between the drain pan and the evacuation pipe is airtight;
- the height of the siphon is at least of 120 mm;
- the pressure difference between outside and inside the unit cannot
exceed 350 Pa;
- check for the presence of a ventilation downstream of the siphon;
- the slope of the evacuation pipes is at least 1 cm/m;
- the siphon is accessible to allow cleaning
In case of frost risk a wire heating coil should be installed (not delivered)

 Once drainage system is in place make a water flow test, adjust inclination if necessary.
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