Viessmann Vitotronic 300 KW3 Installation Instructions Manual
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Summary of Contents for Viessmann Vitotronic 300 KW3
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Page 1: Installation Instructions
Installation Instructions Vitotronic 300 Model KW3 Weather-responsive indoor/outdoor, digital boiler control for heating systems with one or more heating circuits Part No. Z001 231 VITOTRONIC 300 Certified as a component part of Viessmann boilers only 5303 269v1.3 10/2011... - Page 2 Safety instructions Safety Instructions Safety, Installation and Warranty Requirements Please ensure that these instructions are read and understood before commencing installation and operation. Failure to comply with the instructions listed below and details printed in these instructions can cause product/property damage, severe personal injury, and/or loss of life.
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Page 3: Table Of Contents
Index Page Safety Instructions Safety Instructions ..............Application Examples Application Example 1 System with one direct-connected heating circuit... -
Page 4: Application Example 1
Application Example 1 System with one direct-connected heating circuit without mixing valve Boiler with Vitotronic 300 Connectors Domestic hot water tank Outdoor temperature sensor Heating circuit pump Vitotrol, Switching Module-V, Boiler temperature sensor Boiler circuit KM-BUS Expansion Module for the DHW tank temperature sensor DHW production pump connection of several KM-BUS... -
Page 5: Application Example 2
Part No. Vitotronic 300 Z001 231 Mixing valve actuator accessory kit (with mixing valve motor and supply temperature 7133 392 (old version) sensor) for Viessmann mixing valve 7837 524 (new version) Available System Accessories Vitotrol remote control KM-BUS Expansion Module... -
Page 6: Application Example 3
Part No. Vitotronic 300 Z001 231 Mixing valve actuator accessory kit (with mixing valve motor and supply temperature 7133 392 (old version) sensor) for Viessmann mixing valve 7837 524 (new version) Available System Accessories Vitotrol remote control KM-BUS Expansion Module... -
Page 7: Application Example 4
Part No. Vitotronic 300 Z001 231 Mixing valve actuator accessory kit (with mixing valve motor and supply temperature 7133 392 (old version) sensor) for Viessmann mixing valve 7837 524 (new version) KM-BUS Expansion Module 7133 393 Available System Accessories Vitotrol remote control... -
Page 8: Application Example 5
Part No. Vitotronic 300 Z001 231 Mixing valve actuator accessory kit (with mixing valve motor and supply temperature 7133 392 (old version) sensor) for Viessmann mixing valve 7837 524 (new version) KM-BUS Expansion Module 7133 393 Available System Accessories Vitotrol remote control... -
Page 9: Overview
Electrical connections Overview The illustration shows the bottom part of the control unit as viewed from rear. 120 VAC connectors Low voltage connectors Interconnections Power Pump Module Outdoor temperature sensor Boiler circuit pump Boiler temperature sensor DHW pump (accessory) DHW tank temperature sensor 1 B DHW tank temperature sensor 2 DHW recirculation pump (to be field supplied where... -
Page 10: Vitotronic Connections
Electrical connections Vitotronic Connections 1. Ensure that main power supply to the Power Pump Module contains overcurrent protection with a maximum rating of 15 A. WARNING This equipment must be grounded. Ensure that the following wires are not interchanged: “L” and “N” L: LINE N: Neutral G: Ground... -
Page 11: Power Pump Module
Electrical connections Vitotronic Connections (continued) Low water cut-off connections Run 3-conductor cable between low water cut-off device and Power Pump Module. 2. Remove jumper on Power Pump Module board (LWCO connection). 3. Connect wiring as shown in drawing on the left. 3. -
Page 12: Application Of Strain Relief
Application of Strain Relief IMPORTANT The strain relief clamps are supplied in the accessories pack. 1.Remove breakouts as necessary. 2. Mount lower portion of strain relief clamp. 3. Insert the cable in the bushing and secure the wires to the plug-in connector. -
Page 13: Sensors
Electrical connections Sensors Outdoor temperature sensor IMPORTANT The outdoor temperature sensor should be mounted 6.6 to 8.2 ft./2 to 2.5 m above ground on the north or northwest wall of the building and for buildings with multiple floors, in the upper part of the second floor. -
Page 14: Boiler Temperature Sensor
Electrical connections Sensors (continued) Boiler temperature sensor The boiler temperature sensor is installed at the same time as the boiler insulation. Insert connector in socket ”3” (see Vitotronic connections) and insert the molded strain relief clamp. Tank temperature sensor Heating systems without domestic hot water heating Do not connect the DHW tank temperature sensor to the control unit. -
Page 15: Flue Gas Temperature Sensor
Electrical connections Sensors (continued) Sensor connections A Flue gas temperature sensor D Outdoor temperature sensor E Tank temperature sensor 2 (accessories) (cores may be interchanged) B Boiler temperature sensor Installation point for outdoor C Tank temperature sensor temperature sensor North or north-western wall, 2 to 2.5 m / 6.5 to 8 ft above ground level;... -
Page 16: Pumps (Accessory)
An adjustable high limit must be the Power Pump Module. Pre-wired (heating circuit pumps for mixing provided additionally. Install the fixed Viessmann circulation pumps can be valve circuits 1 and 2 are high limit in the heating supply pipe plugged into the respective Rast-5... -
Page 17: Burner
Burner The burner cable is included in the standard boiler equipment. The Vitotronic 300 is prewired with the Terminal codes Line via safety high limit Viessmann quick-connect plug-in Ground conductor to the system. burner Neutral conductor to the burner 1. Connect the... -
Page 18: Compiled Fault Indicator Alarm
Electrical connections Burner (continued) Electrical connection of two-stage or modulating burners The connection is made via the Terminal codes T6, T7, Control circuit ”two-stage extension for 2-stage/modulating burner” or ”modulation burner. controller” (via two-point controller with two-stage See Installation Instructions for operation;... -
Page 19: External Switching Of The Heating Program
External Switching of the Heating Program Coding address ”91” enables the 1. Connect the potential-free contact to external heating program changeover terminals ”1” and ”2” in connector to be applied to individual heating circuits. Use switching module V for separate 2. -
Page 20: Fixed High Limit
Adjustments Fixed High Limit The fixed high limit is factory preset to 230 ºF / 110 ºC. Adjustment to 212 ºF / 100 ºC 1. Remove fuse. 2. Unclip the cover at the four snap-in clips and remove. 3. Pull the front panel behind cover Make: Etheco Make: EGO upwards and swing open to the rear. - Page 21 Adjustments Fixed High Limit (contd.) Adjustment to 100 ºC (JUMO) The fixed high limit is factory preset to 230 ºF / 110 ºC. CAUTION If adjusted to 212 ºF / 100 ºC do not set the adjustable high limit above 167 ºF / 75 ºC.
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Page 22: Adjustable High Limit
Adjustments/Installation Adjustable High Limit The adjustable high limit is factory preset to 165 ºF / 75 ºC. Do not set the adjustable high limit above 165 ºF / 75 ºC if the fixed high limit has been set to 212 ºF / 100 ºC. Adjustment to 189 ºF / 87 ºC 1. -
Page 23: Top Of Control Unit
Opening the Control Unit 1. Open the flip-down cover. 2. Using a suitable tool, e.g. a Viessmann hexagon socket screw key, unlock the top of the control and raise until hinged support bar snaps into place. -
Page 24: Post-Installation Testing
For use in living DHW production Certification: CSA certified area and boiler pump 3 FLA (in conjunction rooms (normal DHW recirculation with a Viessmann ambient conditions) pump 3 FLA boiler only) during storage burner and transport: – 4 to 149 ºF / connector 2 FLA –20 to 65 ºC... - Page 25 5303 269 v1.3...
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- Page 28 Viessmann Manufacturing Company (U.S.) Inc. Viessmann Manufacturing Company Inc. 45 Access Road 750 McMurray Road Warwick, Rhode Island • 02886 • USA Waterloo, Ontario • N2V 2G5 • Canada Tel. (401) 732-0667 • Fax (401) 732-0590 Tel. (519) 885-6300 • Fax (519) 885-0887 www.viessmann-us.com •...