Viessmann Solar EM-S1 Extension Installation And Service Instructions Manual
Heating contractor
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Installation and
Service Instructions
for use by heating contractor
ADIO electronics module
Function extension for connecting a solar thermal system
Solar EM-S1 Extension
Certified as a component
part for Viessmann boilers
5472 516 - 02
08/2021
Product may not be exactly as shown
IMPORTANT
Read and save these instructions
for future reference
.
Please file in Service Binder
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Table of Contents
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Summary of Contents for Viessmann Solar EM-S1 Extension
- Page 1 Installation and Service Instructions for use by heating contractor ADIO electronics module Function extension for connecting a solar thermal system Solar EM-S1 Extension Product may not be exactly as shown IMPORTANT Read and save these instructions Certified as a component...
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Page 2: Safety, Installation And Warranty Requirements
Safety Solar EM-S1 Extension Installation / Service Safety, Installation and Warranty Requirements Please ensure that these instructions are read and understood before commencing installation. Failure to comply with the instructions listed below and details printed in this manual can cause product/property damage, severe personal injury, and/or loss of life. -
Page 3: Table Of Contents
Table of Contents Solar EM-S1 Extension Installation / Service Page Page Safety Safety, Installation and Warranty Requirements ....2 Important Precautions Important Regulatory and Installation Requirements ..4 General Information About these Installation Instructions ......5 Intended Use ............. 5 Spare Parts ............. 5 Installation Mounting the Solar Extension ........ -
Page 4: Important Regulatory And Installation Requirements
Please carefully read this manual prior to attempting Approvals installation. Any warranty is null and void if these Viessmann boilers, burners and controls are approved for instructions are not followed. sale in North America by CSA International. For information regarding other Viessmann System... -
Page 5: About These Installation Instructions
General Information Solar EM-S1 Extension Installation / Service About these Installation Instructions Take note of all symbols and notations intended to draw attention to potential hazards or important product information. Indicates an imminently hazardous situation which, WARNING if not avoided, could result in death, serious injury or substantial product/property damage. -
Page 6: Mounting The Solar Extension
Installation Solar EM-S1 Extension Installation / Service Mounting the Solar Extension Extension kit for installation on a wall 1. Loosen the retaining screws from the extension kit enclosure (do not remove). 2. Remove cover and set aside. 3. Mount the extension module enclosure to the wall using the supplied hardware. -
Page 7: Overview Of Electrical Connections
Connections Solar EM-S1 Extension Installation / Service Overview of Electrical Connections Legend Plug 120VAC P1sF Solar circuit pump CAUTION Only use a circulation pump with PWM control. P3fH Transfer pump The electronic modules are static Power supply fÖ sensitive. To avoid damage caused by fÖA... -
Page 8: Rotary Switch S1
Connections Solar EM-S1 Extension Installation / Service Rotary Switch S1 The rotary switch is factory preset to 0. Note: The rotary switch can be found on the PCB of the electronics module. Connecting the PlusBus to the Heat Generator For connection to heat generators with external plug, luster terminals or spring-loaded terminals: For the bus connection, disconnect plug jF. -
Page 9: Power Supply
Connections Solar EM-S1 Extension Installation / Service Power Supply Direct power supply WARNING Incorrectly executed electrical installations can result in injuries from electrical current and in equipment damage. Connect the power supply (see page 4) and implement all grounding measures (e.g. RCD circuit) in accordance... -
Page 10: Connecting Several Accessories
Mixer extension kit for heating circuit with mixer M3 (electronics module) Further accessories PlusBus Commissioning Configuring the solar EM-S1 extension The parameters for the solar EM-S1 extension are set at the heat generator control unit. Heat generator installation and service instructions... -
Page 11: Repairs
Troubleshooting Solar EM-S1 Extension Installation / Service Repairs Checking the solar circuit pump at output P1 Check the function of the connected components by means of an actuator test: Characteristics of the circulation pump (see the following chapter): Heat generator installation and service... -
Page 12: Faults Displayed With A Fault Code
Troubleshooting Solar EM-S1 Extension Installation / Service Faults Displayed with a Fault Code Meaning of the fault codes Heat generator installation and service instructions Faults Displayed Without a Fault Code Fault Cause Remedy Solar yield too low Temperature sensors interchanged. -
Page 13: Function Description Of Solar Dhw Heating
Function Solar EM-S1 Extension Installation / Service Function Description of Solar DHW Heating Note: Set or alter the functions described below in the parameters in the “Solar” group. Parameter Description Number Designation The solar circuit pump is switched on according to the following criteria, resulting in the DHW being heated: 1126.0... -
Page 14: Specifications
Function/Specification Solar EM-S1 Extension Installation / Service Function Description of Solar DHW Heating (continued) Reduction of stagnation time Interval function solar circuit pump If there is an excess of solar energy, the speed of the Set parameter 1719.0. solar circuit pump is reduced before the maximum DHW Activate the interval function in systems where the tank temperature is reached (parameter 1125.0). -
Page 15: Wiring Diagram
Wiring Solar EM-S1 Extension Installation / Service Connection and Wiring Diagram Wiring Diagram Legend Plug 120VAC P1 sF Solar circuit pump (only with PWM control) P3 fH Transfer pump fÖ Power supply fÖA Power supply for accessories Extra low voltage connections PWM1 Speed control, solar circuit pump TS1 % DHW tank temperature sensor NTC 10 kΩ... - Page 16 Solar EM-S1 Extension Installation / Service Scan for digital copy of this document...