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6.2 Faults

Fan not on / red light not on:

Fan on but compressor not:

Pump drain pan full amber light on:

Drain pan overflows:

Mains power not on

Mains fuse blown

Switch on

Replace fuse

Dehumidify / fan only switch is in the fan only position

Start time delay

Defrost cycle in operation

Change to dehumidify

Wait for compressor start time delay to complete

Wait for defrost cycle to complete

Pump drain pan full

Turn off at switch on control panel and mains

Check condensate hose is not blocked or kinked

Check pump / gravity switch is in correct mode for the discharge mode in use

Condensate pump failure. This requires an engineer to investigate

Condensate high level switch failure

Float switches are located within the pump drain pan and require an engineer to check
their operation

Page 16

QA/IOM/46 Issue 11 - MD Dehumidifier

Содержание MD

Страница 1: ...INSTALLATION OPERATION MAINTENANCE INSTRUCTIONS MD DEHUMIDI FIERS QA IOM 46 Issue 11 MD Dehumidifier...

Страница 2: ...Refrigeration system 5 1 3 Fan and ventilation system 6 1 4 Safety features 6 1 5 Performance 7 3 1 Siting of the dehumidifier 9 3 2 Changing from pump to gravity condensate discharge 10 3 3 Fan only...

Страница 3: ...in through a filter and across the evaporator and discharge it through the condenser Moisture is removed from the entering humid air at the evaporator coil and it is collected in a drain pan mounted...

Страница 4: ...Page 4 Figure 3 Front view with front panel removed Figure 4 Side view with side panel removed QA IOM 46 Issue 11 MD Dehumidifier...

Страница 5: ...lter This panel sits on the lower front panel supported by studs and is removed by using the keys provided to unlock the panel and hinging forward The control panel allows switching between different...

Страница 6: ...t never be operated with any of the panels removed Great care should also be taken to avoid damage to the seals on the panels To protect the compressor from hunting a start delay has been built into t...

Страница 7: ...ge of operating conditions is shown in the curves below o o 100 unit 0 50 100 150 200 20 25 30 35 40 45 Temperature C litres day 40 RH 60 RH 80 RH 160 unit 0 50 100 150 200 250 300 20 25 30 35 40 45 T...

Страница 8: ...the required rate Place the condensate discharge hose in an appropriate drain If the dehumidifier is to be discharged by pump then the drain should not be more than 2 metres above the base of the dehu...

Страница 9: ...fier is to be discharged by pump then the drain should not be more than 2 meters above the base of the dehumidifier If the dehumidifier is to discharge by gravity then the hose must be laid on the flo...

Страница 10: ...ently required Fit the longer length of hose supplied with the unit to the spigot on the drainpan using the clip supplied Pass the hose through the lower of the two round holes in the base of the pill...

Страница 11: ...ressor cutting in after the delay period The speed of the fan can be changed from full to slow using the switch on the front panel see figure 10 At slow speed the dehumidification rate is lower than a...

Страница 12: ...FIGURE 7 WIRING DIAGRAM FOR THE MD100 Page 12 QA IOM 46 Issue 11 MD Dehumidifier...

Страница 13: ...FIGURE 8 WIRING DIAGRAM FOR THE MD160 Page 13 QA IOM 46 Issue 11 MD Dehumidifier...

Страница 14: ...FIGURE 9 WIRING DIAGRAM FOR THE MD200 Page 14 QA IOM 46 Issue 11 MD Dehumidifier...

Страница 15: ...from the retaining bracket and cleaned This involves gentle tapping to remove accumulated dust and cleaning with a vacuum cleaner The filters can also be washed in soap and water and air dried Replace...

Страница 16: ...ompressor start time delay to complete Wait for defrost cycle to complete Pump drain pan full Turn off at switch on control panel and mains Check condensate hose is not blocked or kinked Check pump gr...

Страница 17: ...in is too small and is causing hunting move the dehumidifier to a larger space or address the source of the moisture generation Local supplier Telephone fax support Please quote Supplier Model Type a...

Страница 18: ...S P Coil Products Ltd SPC House Evington Valley Road Leicester LE5 5LU Tel 0116 249 0044 Fax 0116 249 0033 e mail spc spcoils co uk Web www spcoils co uk QA IOM 46 Issue 11 MD Dehumidifier...

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