System controller for modulating gas-absorption condensing heat pump + renewable aerothermal energy (24 pages)
Summary of Contents for Robur CSK18
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User manual System controller for modulating gas-absorption condensing heat pump + renewable aerothermal energy K18...
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The rights of those who have legitimately filed the registered trademarks contained within this publication are not affected. With the aim of continuously improving the quality of its products, Robur S.p.A. reserves the right to modify the data and contents of this...
HC2 or C2 = Heating circuit 2 (with or without mixing valve), or zone 2. HC3 or C3 = Heating circuit 3 (without mixing valve), or zone 3. WARNING CSK18 = System controller for K18 installed in the provided enclosure. Siemens QAA74.611 = advanced room unit. NOTE Siemens QAA55.110 = base room unit.
Figure 1.1 p. 5 shows the equipment of the K18 System controller. Figure 1.1 K18 system controller components QAC34 ambient temperature probe CSK18 enclosure Room unit 1 (QAA74.611) Room unit 2 (Optional - QAA55.110, shown, or QAA74.611) Room unit 3 (Optional - QAA55.110, shown, or QAA74.611) K18 fault reset button USER INSTRUCTIONS: QAA74.611 ADVANCED ROOM UNIT...
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User instructions: QAA74.611 advanced room unit required, you can then access the pages of the group by selecting without operation on the knob. Any action on it causes the exit the symbol by pressing the knob; the selected symbol is inverted, from the standby state and the start page display.
User instructions: QAA74.611 advanced room unit 2.2.3 Status bar On the other hand, if the heating system has one zone only, or if only one zone is configured on the specific It is a horizontal strip at the top, always shown inverted, i.e. white device, the zone field is not editable and therefore can- text and symbols on black background.
User instructions: QAA74.611 advanced room unit CHANGE ROOM TEMPERATURE Figure 2.8 Heating service weekly time programs page SETPOINT Change Comfort setpoint To access and change the Comfort setpoint setting: 1. Proceed as described in steps 1 and 2 of Paragraph 2.3 p. 7 in order to access the heating main settings page for the de- sired zone (Figure 2.6 ...
User instructions: QAA74.611 advanced room unit If the maximum number of periods (three) is already in is then shown in negative with the start highlighted ( use, the add period function is not available. ); moreover, the text becomes Start hh:mm, in the example given in Figure Start 06:00.
User instructions: QAA74.611 advanced room unit 4. Turn the knob to select the desired function, then press it Figure 2.11 Main settings page for DHW function again to confirm. If the current value is Warmer or Cooler, the opposite function cannot be set directly: the only alternative value proposed is , i.e function disabled.
User instructions: QAA74.611 advanced room unit 2.9.2 Copy a daily DHW time program to other days 57-58 °C, in order not to impact negatively on the K18 heat pump efficiency; this argument does not apply to of the week the case of a system equipped with a K18 combined with Also for DHW time program, it is possible to copy the program an auxiliary boiler, or to a K18 Hybrigas unit, if configured for a given day of the week to other days.
User instructions: QAA74.611 advanced room unit to a value which kills off the bacteria. The same happens if, with the plant/zone switch set to Automatic, operating mode Off or Eco is set for DHW; The function is disabled by factory setting and must be enabled however, with the plant/zone switch set to Off, the sym- by a TAC.
User instructions: QAA55.110 basic room unit 2.13.3 Heating zone 1, Heating zone 2, Heating zone 3 zone heating is inactive). Each of these pages is shown on the device, as long as the corre- 2.13.4 DHW sponding zone is assigned to it. This page is shown on the device if there is a DHW system.
Other settings SELECTING THE HEATING MODE and 24 hour daily heating limit enabled. CHANGE ROOM TEMPERATURE Figure 3.3 Heating mode selection SETPOINT Knob B (fig. 3.1 p. 13 ) Figure 3.4 Knob Press, multiple times if necessary, key A (fig. 3.1 p. 13 ) to select the heating mode.
Other settings pages for heating and DHW services, described in Section time happens at 03:00 of the last Sunday of October (at 03:00 the 2 p. 5 . timer is set back to 02:00). To make all the settings described in this section, go to the de- If the device is used in a Country that has different rules for vice setting page following the steps below: switching from winter time to summertime and vice versa, it is...
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Other settings zone is also directly and more conveniently settable by access- negative; Figure 4.3 p. 16 shows as an example the page relating to heating zone 2 with Heating curve slope field ing the main heating settings page, as described in Paragraph 2.4 ...
Errors Outdoor temperature stable for at least two days (i.e., do 0,04 at an outdoor temperature of -20 °C not make observations while the weather is changing For example, if you find that at -10 °C the room tempera- strong and quickly).
Contact the Technical Assistance Centre of the manu- resolved by the unit's on-board controller. facturer of the auxiliary boiler. 2. If the error persists: In all other cases, contact the Robur Technical Assistance...
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Errors Centre (TAC); in the presence of code E495 and the K18 Hybrigas unit, if possible, first also take note of the fault code shown on the display of the integrated boiler mod- ule on the left side of the unit. The error code(s) display on the 4-digits K18 unit display is alternated with other information: ...
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Robur mission Robur is dedicated to dynamic progression in research, development and promotion of safe, environmentally-friendly, energy-efficiency products, through the commitment and caring of its employees and partners. Robur S.p.A. advanced technologies for climate conditioning via Parigi 4/6 24040 Verdellino/Zingonia (BG) Italy +39 035 888111 - F +39 035 884165 www.robur.it robur@robur.it...
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