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Related Manuals for Tech Controllers EU-28 SIGMA
Summary of Contents for Tech Controllers EU-28 SIGMA
- Page 1 EU-28 SIGMA...
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Page 2: Eu Declaration Of Conformity
TECH EU DECLARATION OF CONFORMITY Hereby, we declare under our sole responsibility that EU-28 SIGMA manufactured by TECH STEROWNIKI, head-quartered in Wieprz Biała Droga 31, 34-122 Wieprz, is compliant with Directive 2014/35/EU of the European Parliament and of the Council of 26 February 2014 on... - Page 3 User manual Safety Before using the device for the first time the user should read the following regulations carefully. Not obeying the rules included in this manual may lead to personal injuries or controller damage. The user’s manual should be stored in a safe place for further reference. In order to avoid accidents and errors it should be ensured that every person using the device has familiarized themselves with the principle of operation as well as security functions of the controller.
- Page 4 TECH Button PLUS Button MINUS Entering menu and approving settings Power switch Exit, cancelling settings Manual operation DHW pump CH pump I. Description EU–28 SIGMA regulator is intended for CH boilers. It controls the CH pump, domestic hot water pump (DHW) and the blow (fan). The left part of the display shows the temperature of the boiler.
- Page 5 User manual fire-up function, the following message appears on the display: ”Fire-up failed”. In such a case, the fire-up cycle needs to be restarted. Operation – After the fire-up cycle is completed, the regulator enters the operation mode. It is the primary mode of the controller operation in which the fan works automatically, oscillating around the temperature set by the user.
- Page 6 TECH Unable to fire up In order to restore the CH boiler operation, the controller should be set to 0 position and then again to 1 position. After the controller logs in, the fire-up function should be activated again and the controller will renew the fire-up process. II.
- Page 7 User manual the operation time in the sustain mode is not too long. II. g) Blow-by power This function is used to set the fan speed during the blow-by. The setting range is from 1% to 100% (it may be regarded as fan gears). The higher the gear is, the faster the fan works. 1% gear is the minimum fan speed whereas 100% is the maximum fan speed.
- Page 8 TECH limited to the temperature of 62 C on the CH boiler in order to prevent the CH boiler overheating. The CH pump operates until the water boiler temperature drops below the set value (3 Then, the CH pump is disabled and the DHW pump is activated. DHW priority function involves heating domestic water prior to heating the water in radiators.
- Page 9 User manual the user's needs. Return to factory settings is possible at any time. When the factory settings option is activated, all customized settings of the controller are lost and replaced with the manufacturer's settings. Then, the boiler parameters may be customized anew. III.
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Page 10: Maintenance
Caution: A higher amperage fuse should not be used as it may damage the controller. IV. Maintenance Before and during the heating season, the EU-28 SIGMA controller should be checked for condition of its cables. You should also check if the controller is properly mounted and clean it if dusty or dirty. -
Page 11: Controller Wiring Diagram
User manual V. a) Controller wiring diagram Particular attention should be paid when connecting the controller cables to the correct connection of the earthing wires. - Page 12 TECH...
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