Detection Systems 7090i Betriebsanleitung PDF herunterladen (Seite 37)

Troubleshooting

Troubleshooting AQUATOP LOGON WP

Malfunction

Cause

Remedy, Action

228: Flow controller water source A W-W heat pump

No flow

A1 Checker whether corresponding sliders are

opened

A2 Check function flow switch (while keeping

groundwater pump running, check switching

point of flow switch by slowly closing/opening

slider)

A3 Check function of groundwater pump

229: Pressure monitor

GHS/geothermal probe/tube

collector system

A B-W heat pump

Brine pressure too low

The module switches the respective unit to

the safety state when a malfunction or error

occurs.

A1 Check brine pressure with manometer

A2 Check function of brine pressure monitor

A3 Recharge brine

A4 Check expansion vessel when recharging brine

(if pressure increases quickly when recharging

brine, expansion vessel malfunction)

A5 If occurring several times, check brine circuit for

leaks

230: Thermo relays

230: Thermo relays brine pump Brine pump / groundwater pump

A Pump failure

A1 Pump blocked

A2 Motor protection was triggered

A3 Defective pump

The module switches the respective unit to the

safety state when a malfunction or error occurs.

A1 Eliminate pump block, determine cause of

block

A2 Check why motor protection was triggered

A21 Check power consumption of pump (ampere)

A22 Check trigger value of motor protection

A23 Check motor protection for defects

A3 Replace pump if defective

Electric company block active External block by utility or electric company No malfunction, HP continues to run once block

period is over.

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