Summary of Contents for eta System Separation Module
- Page 1 2021-02-17 0000000219 V.006 X.35.15, X.51.0 939003-002 System Separation Module Operating Instructions...
- Page 2 ETA Heiztechnik Gewerbepark 1 A-4716 Hofkirchen an der Trattnach Tel: +43 (0) 7734 / 22 88 -0 Fax: +43 (0) 7734 / 22 88 -22 info@eta.co.at www.eta.co.at...
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Page 3: General Information
On non-compliance with this safety instruction, there is Copyright a risk of major physical injury. All contents of this document are property of ETA Heiztechnik GmbH and are protected by copyright. Warranty, guarantee and liability Any reproduction, transfer to third parties or use for other purposes is prohibited without written permission from the owner. - Page 4 Repair of defects For repairs of defects carried out by the customer or by a third party, ETA shall only bear the costs or remain obligated by warranty if this work was approved in writing in advance by the customer service of ETA Heiztechnik GmbH.
- Page 5 We hereby declare that the product in its standard design as stated here corresponds to the above provisions. The sole responsibility for issuing this declaration of conformity lies with the manufacturer. The technical documentation for this product is managed by ETA Heiztechnik GmbH. Signed for and on behalf of: Hofkirchen, 12/01/2021 Ing.
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Page 6: Technical Data
Flow temperature sensor for secondary side "WILO Para RS 15-130/7-50/iPWM1-9") Flow temperature sensor for primary side Pump: secondary side 10 Circuit board [EM-C] High-efficiency pump (model "WILO Para 15- 11 Bleed screw 130/6-43/SCU-9"), for differential or constant pressure operation with bleed function. www.eta.co.at... - Page 7 Description Function Function Contact thermostats are required for underfloor and wall heating in order to protect the second- ary side against overheating. If the secondary side is Mode of operation at risk of frost, an additional contact thermostat must On the underside of the module, the heat from heat be installed for the primary side in order to prevent the producer (e.g.: buffer) reaches the primary side of the heat exchanger from freezing.
- Page 8 35 °C - 25 °C = 10 K 75 °C - 45 °C = 30 K 60 °C - 40 °C = 20 K Performance chart Free residual pump head Pump head Module pressure loss Free residual pump head www.eta.co.at...
- Page 9 Description Primary side characteristic curve Primary side characteristic curve => 0.29 m³/h a free residual pump head of 7.0 m occurs on the primary side with a pressure loss of approx 0.2 m. Primary side characteristic curves Example: using the table, a primary side spread of Primary spread Secondary spread 45 K results for the secondary side underfloor heating...
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Page 10: Installation
Mount the fixing screws in the wall, hang the module and fix it in place. Fig. 4-2: Screw joints for the primary side Installing the piping Connect the piping from the heat producer on the primary side and to the heat consumer on the second- ary side. www.eta.co.at... - Page 11 Installation Installing outlet pipes for the safety valve Establishing a CAN-bus connection to the boiler A safety valve with 3 bar opening pressure has already Establish the bus connection between the boiler and been installed for the secondary circuit at the factory. A the module with the supplied CAN-bus line.
- Page 12 To set, open the settings of the system separation module in the function block and select the operating mode [Operation below freezing point]. If the secondary side receives frost protection [Yes] is to be selected. If not, [No] is set. www.eta.co.at...
- Page 13 System separation module Settings: Operation below freezing point [Yes] or [No] Options: Module is a consumer within an ETA system. EM-C 3 Heating circuit Heating circuit as underfloor heating The heating circuit pump is already contained within the system separa- tion module.
- Page 14 Consumer levels Solar heating system not present Start relief for log boiler Connections = type [Heating water] Producers Consumers GM-C 0: BufferFlex: Consumer level 1 (top) EM-C 3: SSM: Prim. flow EM-C 3: SSM: Sec. flow EM-C 3: HC: . www.eta.co.at...
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Page 15: Electrical Connections
Electrical connections Requirements Electrical connections Requirements CAN bus installation Electrical connection must only be made by Establishing a CAN bus connection qualified specialist personnel To establish the CAN-Bus connection to the boiler, The electrical installation must only be performed there a two terminals and the associated cable in the by specialist personnel with the corresponding delivery scope. -
Page 16: Contact Thermostat
(e.g.: 10 °C). "NC" contact "NO" contact "COM" contact Adjustment dial for activation temperature Fig. 6-3: Contact thermostat for primary circuit as frost protection "NC" contact "NO" contact "COM" contact Adjustment dial for activation temperature www.eta.co.at... - Page 17 Electrical connections Contact thermostat If a contact thermostat is already mounted on the sec- ondary side for overheating protection, the additional contact thermostat is clamped serially to the [EM-C] circuit board. Contact thermostat for primary circuit (as frost protection) Contact thermostat for secondary circuit (as overheating protection) Secondary pump...
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Page 18: Terminal Function
Free (digital room sensor) S602 PWM output / analogue output Free S603 PWM output Speed control for primary pump S604 24 V input Free S605A CAN bus From boiler S605B CAN bus Free CAN-Bus terminal resistor RS-485 terminal resistor Boot jumper www.eta.co.at... -
Page 19: Filling The Heating System
Commissioning Filling the heating system Commissioning Filling the heating system Bleeding the pump The heating system must be filled and bled before the pump can be bled. The pump automat- Monitoring the screw joints ically bleeds itself when starting for the first time. If it Due to vibration and thermal expansion, all screw does not, carry out the following steps. -
Page 20: Setting The Pump
"½ H" to "H" over the flow rate "Q." The differential pressure produced by the pump is set to the respective differential pres- sure target value. This operating mode is recommended for radiators for reducing flow noises on the thermostat valves. www.eta.co.at... -
Page 21: Concluding Activities
The pump setting for the respective heating circuit must be adjusted by an expert on-site. Differential pressure variable (Δp-v) Concluding activities Mounting the plastic cover Reattach the plastic cover after commissioning. Pull off the protective film and affix the ETA logo in the corre- sponding recess. -
Page 22: Water Hardness
=> average column in Table 2. 3. The total output of the module is 45 kW; therefore, only the data from the first line (≤ 50 kW) are relevant. The permissible water hardness in this example is 5.6 °dH. www.eta.co.at... -
Page 23: Etatouch Controller
45 °C (= 50° - 5 °C). If 45 °C has not been achieved before the lapse of the Overview of the system separation module set duration [Sec. pump max. switch-on delay], the secondary pump still starts up in order to supply the... - Page 24 If on the secondary side the flow temperature rises above 15 °C, normal operation Overview of the system separation module of the module is restored. Enable off The heat producer for the module has not reached the required minimum temperature [Enable temperature].
- Page 25 ETAtouch controller Software version X.36.0 and later secondary pump starts once the primary side reaches 45 °C (= 50° - 5 °C). If 45 °C has not been achieved before the lapse of the set duration [Sec. pump max. switch-on delay], the secondary pump still starts up in order to supply the consumer.
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