KEY UMS-4PS Operation Manual Download Page 11

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4.8 Exiting default settings.

Selecting [End] on the display and pressing the OK button results in exiting the

parameter setting mode. Also, when during 60 seconds no buttons will be pressed at

all, exiting the mode occurs.

5. Additional features.

5.1 Installation water temperature decrease input.

The unit UMS-4PS has been equipped with input of decreasing the temperature of

installation water. Opening the contacts of this input makes the temperature of water in

central heating circulation fall by the value programmed by the user (see 3.3). The

solution enables the decrease of room nighttime temperature by connecting it to the

outside unit – a programmed clock. Decreasing the temperature of water in central

heating installation can be as well controlled by any room thermostat equipped with

a contact output.

CAUTION!

If the option of nighttime decrease is not used, then the contacts 6-7 of the

regulator should be closed or value of the parameter [d-10] should be changed to “0”.

CAUTION!

Installation water temperature decrease input shall not be connected to

any other UMP/UMS inputs directly.

5.2 Central heating turn-off input.

Closing 7-8 contacts of UMS-4PS unit will turn off the central heating system. The unit

will close the mixing valve (as in SUMMER mode), however it will not turn off the

central heating pump (as in WINTER mode). Additionally, the safety system will be

turned on to protect the central heating installation from freezing. Connecting the

programmed clock to the input will automatically turn off the heating at preferred times.

CAUTION!

If the heating turn-off option is not in use, contacts 7-8 of the unit should be

left open.

CAUTION!

The central heating turn-off option has a priority over the installation water

temperature decrease option. This means that if both options are turned on – the

heating turn-off option will be carried out.

CAUTION!

The heating turn-off inputs must not be connected with any other

UMP/UMS inputs directly.

6. Controller disassembly.

If controller disassembly is necessary, follow the procedure:

– Disconnect it from power supply

– Disconnect and place the controlling wires in safety

– Disconnect sensor wir e

– Remove the controller.

Summary of Contents for UMS-4PS

Page 1: ...OPERATION MANUAL UMS 4PS UNIVERSAL WEATHER COMPENSATING CONTROLLER Version HC22...

Page 2: ......

Page 3: ...ral heating pump should be connected to the appropriate sockets The outside temperature sensor may be connected parallelly to any given number of UMS UMP controllers bearing in mind that appropriate c...

Page 4: ...e controller is in the WINTER mode In this mode the task of the controller is to maintain an appropriate temperature in the central heating system The temperature depends on the outside temperature or...

Page 5: ...eans the regulator will switch to displaying water temperature of the central heating circulation when e g the user switches to viewing the outside temperature and during the period of 60 seconds will...

Page 6: ...itch between the modes can be made manually 3 6 Temperature sensors damage The regulator tests functioning of measuring channels continually In case of detecting a damage the coded alarm is displayed...

Page 7: ...9 9 1 C 0 cL20 The minimum temperature of heating circuit water 5 60 1 C 20 cH75 The maximum temperature of central heating circulation 40 90 1 C 75 ch 2 Mixing valve servomotor work hysteresis 1 9 1...

Page 8: ...les the user to set the adequate inclination and change the weather characteristics The relation between the outside temperature or averaged outside temperature the set parameters and the programmed w...

Page 9: ...alue set in this parameter Protection from excessive increase of central heating circulation temperature is of considerable significance in case of underfloor heating where the temperature should not...

Page 10: ...ased upon the weather chara cteristics Changing the parameter to n results in the current outside temperature which is used to calculate the programmed installation water temperature CAUTION The memor...

Page 11: ...Installation water temperature decrease input shall not be connected to any other UMP UMS inputs directly 5 2 Central heating turn off input Closing 7 8 contacts of UMS 4PS unit will turn off the cen...

Page 12: ...the outdoor temperature sensor d 10 Value of decrease in installation water temperature LL10 Threshold temperature WINTER LH18 Threshold temperature SUMMER cF40 The ratio of the weather characteristi...

Page 13: ...13 Picture 3 UMS 4PS controller and boiler configuration scheme...

Page 14: ...14...

Page 15: ...06 BS EN 61000 3 2 2007 EN 61000 3 3 2008 BS EN 61000 3 3 2011 Information on disposal This appliance is marked according to the European Directive 2002 96 EC on Waste Electrical and Electronic Equipm...

Page 16: ...Manufacturer P W KEY 11 200 Bartoszyce ul Bohater w Warszawy 67 tel 89 763 50 50 fax 89 763 50 51 www pwkey pl e mail pwkey onet pl...

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