Installation and maintenance
manual
G-Power® small substations
WWW.GEBWELL.COM
Page 1: ...Installation and maintenance manual G Power small substations WWW GEBWELL COM...
Page 2: ...strict heating substation 3 4 Installing the G Power Easy district heating substation 9 5 Things to note 10 6 General terms of warranty 11 7 G Power district heating substation dimensions and connecti...
Page 3: ...ailable whereas the largest coastal cities use coal and the peat areas primarily use peat District heating is available throughout the year 24 hours a day Moreover the temperature of the hot water pro...
Page 4: ...heating circuit 3 circuits G Power 3 100 domestic hot water circuit and two heating circuits Model designation 2 3 indicates the number of control circuits 100 200 indicates the power class 100 detach...
Page 5: ...etwork control curve Changing the heating network control curve The district heating substation is delivered with underfloor heating values unless otherwise stated If the values need to be changed to...
Page 6: ...rcuit The pump is of the wet motor structure The installation technician selects the pump pressure according to the site plan to achieve the desired flow The pump must be stopped if there is no pressu...
Page 7: ...Use the pre charge pressure with static pressure taken into account value in the table for setting the expansion tank pre charge pressure The table below shows the expansion tank pre charge pressure...
Page 8: ...n points back to the heat exchanger The pipe ensures that hot water is available from the utilisation points after a certain waiting period Domestic hot water circulation decreases water consumption T...
Page 9: ...l valves It is factory adjusted to a setting of 120 kPa which is six revolutions downwards from the topmost position of the regulating wheel One revolution 360 of the regulating wheel corresponds to a...
Page 10: ...so that the control panel faces forward Installing the G Power substation on the wall Attach the wall mounting rail carefully on to the wall Lift the district heating substation to hang from the ail a...
Page 11: ...a pre wired pump stop thermostat TS2 TS3 to the heating supply pipe The electrical connection is ready Attach the sensor on the heating supply pipe as far as possible from the heat exchanger The mini...
Page 12: ...e pressure peaks Outside stress temperature mechanical stress etc Repairs carried out by anyone other than a company authorised by Gebwell Ltd Poor quality water in circulation i e the water does not...
Page 13: ...n dimensions and connections G Power 2 100 and G Power 2 150 G Power 3 100 1 TO DISTRICT HEAT NETWORK 2 FROM DISTRICT HEAT NETWORK 3 DOMESTIC HOT WATER 4 COLD WATER SUPPLY 5 DHW CIRCULATION 6 TO HEATI...
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Page 21: ...t RECOMMENDATION SETTING INDICATION Lowest relative pressure curve RECOMMENDATION SETTING INDICATION Lowest constant pressure curve or Constant Pressure Auto Adapt QUICK GUIDE GRUNDFOS UPM3 PUMP SETTI...
Page 22: ...rn it using a screw driver 2 The LED is lit Supply voltage too low Check the supply voltage 3 The LED is lit Supply voltage too low severe malfunction Check the supply voltage Replace the pump TROUBLE...
Page 23: ...is stuck To release the axle impeller press on the screw in front of the pump and turn it using a screw driver 2 The LED is lit Supply voltage too low Check the supply voltage 3 The LED is lit Supply...
Page 24: ...valtiossa noudatettavan hyv n konepajak yt nn n mukaisesti T llaisissa laitteissa tai laitekokonaisuuksissa ei saa olla 18 artiklassa tarkoitettua PED direktiivi koskevaa CE merkint PED2014 68 EU spec...
Page 25: ...Gebwell Ltd Business ID 2008956 7 Patruunapolku 5 FI 79100 Lepp virta FINLAND Tel 358 20 1230 800 info gebwell www gebwell com...
