Viessmann VITOTRONIC 300-K Operations Instructions Page 31
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- TROUBLESHOOTING
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5693 976 - 04
Vitotronic 200 and 300-K Installation and Service
Commissioning
Checking Outputs Actuators and Sensors
Testing the relay – Vitotronic 300-K
The following relay outputs can be controlled subject to system design:
Display Explanation
“All actuators” OFF All actuators are switched off.
“Output 20” ON Output 20 enabled.
“Output 52” Open --
“Output 52” Neutr. --
“Output 52” Close --
“DHW tank primary pump” ON Output for DHW pump enabled.
“DHW circ. pump” ON Output for DHW recirculation pump enabled.
“Output 29” ON Output 29 enabled.
“Central fault mess.” ON --
“Htg circ. pump HC2” ON Output for heating circuit pump enabled (heating circuit with mixing valve M2).
“Mixing valve HC2” Open Output “Mixing valve open” enabled (heating circuit with mixing valve M2).
“Mixing valve HC2” Close Output “Mixing valve close” enabled (heating circuit with mixing valve M2).
“Htg circ. pump HC3” ON Output for heating circuit pump enabled (heating circuit with mixing valve M3).
“Mixing valve HC3” Open Output “Mixing valve open” enabled (heating circuit with mixing valve M3).
“Mixing valve HC3” Close Output “Mixing valve open” enabled (heating circuit with mixing valve M3).
“EA1 output 1” ON
Contact “P - S” on plug aBJ for extension EA1 closed.
“AM1 output 1” ON Output 1 enabled.
“AM1 output 2” ON Output 2 enabled.
“Solar circuit pump” ON
Output for solar circuit pump sF at solar control module, type SM1 enabled.
“Solar circ. pump min” ON
Output for solar circuit pump sF at solar control module, type SM1 switched
to minimum speed.
“Solar circ. pump max” ON
Output for solar circuit pump sF at solar control module, type SM1 switched
to maximum speed.
“SM1 output 22” ON
Output sS at solar control module, type SM1 enabled.
1. Press OK and
simultaneously for approx. 4 sec.
2. “Actuator test”
Information regarding the mixing valve motor rotational
direction
The supply temperature must rise when the mixing valve
opens. If the temperature drops, either the motor is
turning in the wrong direction or the mixing valve set is
incorrectly fitted (observe the mixing valve installation
instructions).
Vitotronic 200 sensor check
1. Press OK and
until service comes up.
2. Use to scroll to diagnosticsand select with OK.
3. Use to scroll to generaland select with OK.
4. Use to scroll to relevant sensorand press with
OK to view.
5. To exit press .
Actuators
1. Press OK and until service comes up.
2. Use
to scroll to actuator testand select with OK.
3. Use
to scroll to actuator to be tested and leave
highlight (actuator description will change from ‘OFF’
to ‘ON’).
4. When complete to exit press
.
Note: The service level is automatically exited after 30
minutes.
- IMPORTANT 1
- Product Information 2
- Table of Contents 3
- About these Instructions 5
- For your Safety 6
- System Example 7
- System Example (continued) 8
- Installation Sequence 10
- Mounting the Control Unit 15
- Connecting Sensors 16
- Connecting Pumps 17
- 120V External Connection 18
- Connecting Actuators 19
- Making the LON Connection 23
- Power Supply 25
- Opening the Control Unit 26
- Changing the Language 27
- Set Time and Date 27
- Commissioning 28
- Coding 1 Vitotronic 200 34
- “General” Group 35
- “Boiler” Group 35
- Coding 1 Vitotronic 300-K 36
- “Cascade” Group 38
- “DHW” Group 38
- “Solar” Group 39
- Coding 2 Vitotronic 200 44
- Coding 2 Vitotronic 300-K 49
- “General” Group (continued) 51
- “Cascade” Group (continued) 56
- “DHW” Group (continued) 58
- “Solar” Group (continued) 60
- Calling up the Service Level 67
- Scanning Operating Data 68
- Brief Scan Vitotronic 200 69
- Brief Scan Vitotronic 300-K 70
- Fault Display Vitotronic 200 71
- Troubleshooting 72
- 5693 976 - 04 78
- Cascade Control 79
- Cascade Control (continued) 80
- Heating Circuit Control 82
- Set room temperature 83
- DHW Tank Temperature Control 85
- Components 90
- Mixing Valve Motor Kit 92
- Parts List 94
- Specification 95
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