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ASP Condensate Pump Kit Installations

ASP Standard Condensate Pump Kit

The pump units are intended to be screw fixed within a ceiling void, but may be installed surface mounted if no ceiling void exists in PVC trunking.

The Standard model pump, sump and suction tube can be concealed within 100 mm x 100 mm PVC trunking.

It may be possible with certain units to conceal the sump in the fan coil.  When mounting the sump integrally the engineer may need to fit a `Terrain Tank Connector’ (not supplied) into the side of the sump (see figures 2 & 3).

To do this drill a 22 mm hole into an appropriate place in the sump and use a suitable fitting.

The pump is self priming, although the pump lift should be kept to a minimum (2 metres or less) to reduce pump noise.

It should be noted that on initial start up, the pump may be noisy for a few seconds until the pump is primed.

The pump has a non-return valve incorporated to prevent ’water run back’.

ASP Freestyle Condensate Pump Kit

Select a location for the pump unit and sump - bear in mind the intended refrigeration pipe routes, power cables, control wiring and isolators when doing this.

Mount the pump adjacent to, or depending on the model in the appropriate size of trunking. 

The suction tube and sump should then be located approximately 100 mm below the baseline of the fan coil (refer to figure 1 below).

It is good practise to insulate the suction tube as this prevents 'sweating' and 'buzz' (caused by the pump tubing vibrating against the trunking).   

The fan coils condensate discharge pipe should be routed into the sump box.  It is suggested that the pipe be arranged in such a way they there is an air gap between the discharge and the high water level in the sump.  This prevents water being siphoned back into the fan coil.  This can occur on high fan speed or when the filters are dirty.

A length of 1/4' drain tube (not supplied) should be connected to the discharge side of the pump unit and run to the waste point (outside drain).

Ideally the tube should be insulated if it is to run through humid areas, or externally where the risk of freezing could occur.

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