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Viessmann Vitocontrol-S, WB2, Installation, Start-Up And Service Instructions Manual

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Viessmann Vitocontrol-S, WB2 Installation, Start-Up And Service Instructions Manual Download Page 14

14

Internal Wiring Diagram

Power supply, 120 VAC,
7 A, 1 PH
Supply pump, 120 VAC,
6.3 FLA
Dry contact, 120/24 V, 5 A
compiled failure alarm
Outdoor temperature sensor

Common supply temperature
sensor
Party switch (dry contact)
External heat demand
(dry contact)
KM-BUS

I

Viessmann-BUS

F1 Fuse 0.63 A/250 V, time

delay

F2 Fuse 6.3 A/250 V, time delay

5285

781

v1.5

M

L

G

N

L

G

N

L

G

N

I

TR

12VAC

120VAC

F1

T0.63A

F2

T6.3A

Summary of Contents for Vitocontrol-S, WB2

Page 1: ...rol S WB2 Master control for up to four gas fired wall mounted boilers Vitodens 200 WB2 44 or 60 VITOCONTROL S WB2 Read and save these instructions for future reference IMPORTANT Certified as a component part of Viessmann boilers only Please file in Service Binder 5285 781 v1 5 11 2007 ...

Page 2: ...onal heating contractor Please see section entitled Important Regulatory and Installation Requirements H Product documentation Read all applicable documentation be fore commencing installation Store documentation near boiler in a readily accessible location for reference in the future by service personnel H Advice to owner Once the installation work is complete the heating contractor must familiar...

Page 3: ...aults displayed in the Faults menu 12 Technical Specifications 13 Sensor resistance chart 13 Technical data 13 Internal Wiring Diagram 14 Terminology The terminology used by the Cascade Control of the Vitocontrol S may not always coincide with the terms used in the North American market The following is a cross reference chart between the terms used by the control and corresponding more commonly u...

Page 4: ...ards or important product information These include WARNING CAUTION and IMPORTANT See below Warnings draw your attention to the presence of potential hazards or im portant product information Cautions draw your attention to the presence of potential hazards or im portant product information Helpful hints for installation opera tion or maintenance which pertain to the product This symbol indicates ...

Page 5: ...t be replaced with any other type Pump connection Provisions have been made for one system supply pump to terminate inside the control panel This output is rated to a maximum current of 6 3 FLA A single 6 3 A fuse protects this pump output against over current condition of the pump Cascade control Within the control panel the Cascade Control is powered by a 120 VAC 12 VAC transformer The maximum p...

Page 6: ...an exter nal control for pool spa snow melt or domestic hot water Refer to the Operating Instructions for information regarding this feature The contact connection is made on terminals 5 and 7 Operating Instructions and User s Information Manual Cascade Control HBoiler connections The remaining connections are used for communication KM BUS with the individual Vitodens 200 boilers HTerminals 9 and ...

Page 7: ...h a minimum wire size of AWG 16 copper 1 Slide protective cover from sen sor body 2 Loosen the two slot head screws from main body and remove sen sor cover 3 Fasten sensor body to wall with single screw through middle of body 4 Remove cone shaped strain relief from sensor cover 5 Cut wide end of cone to allow wire cable to be inserted into sensor body Size cone by pushing wire cable into wide end ...

Page 8: ... supplied with approximately 6 ft 2 m of cable If required connect extension wire 16 AWG from sensor to the panel of the Vitocontrol 5 Connect wires to the Cascade Control terminals 3 and 4 in the Vitocontrol control panel to complete installation of sensor 5285 781 v1 5 When extending wire there is the possibility of exposure to electromagnetic interference Avoid running wires beside or near high...

Page 9: ...0 can be connected to Boiler 1 only 1 Ensure that the correct communication board is installed in mixing valve control 5285 781 v1 5 Boiler 1 2 Boiler 2 Boiler 3 Boiler 4 Vitocontrol S KM BUS Boiler 3 KM BUS Boiler 2 KM BUS Boiler 1 KM BUS Boiler 4 Low loss header DHW tank 120 V 60 Hz 1 PH 120 V 60 Hz 1 PH 120 V 60 Hz 1 PH 120 V 60 Hz 1 PH 120 V 60 Hz 1 PH Power supply System pump 20 A 20 A 20 A 2...

Page 10: ...DHW pump one boiler only E Wall receptacle main power supply F Low water cut off if applicable G Main disconnect switch H DHW sensor one boiler only I Vitocontrol S WB2 1 J Power supply 120 VAC 7 A K System pump L Output alarm dry contact M Outdoor temperature sensor N Common supply temperature sensor strap on O Input dry contact Party switch P Input dry contact heat demand R Vi BUS connection S K...

Page 11: ...s Information Manual Cascade Control Room temperature too cold too warm HCheck nominal values HCheck actual room temperature HCheck individual boiler control units of connected boilers Start up Service Instructions Vitodens 200 WB2 44 60 System components operate erratically e g severe temperature fluctuations HCheck control unit settings in the Nominal value menu path Operating Instructions and U...

Page 12: ...Remedy Check system components If necessary match the set time and or temperature difference Reset the fault by pressing twice Cause Outdoor temperature sensor not incorrectly connected or faulty Result The control unit changes over to average outdoor temperature Some functions based on the outdoor temperature are failing Remedy Check connections and sensor using the resistance table see page 13 C...

Page 13: ...12 100 339 Technical data Dimensions 10 11 2 inches 265 280 60 mm Weight Panel weight 6 25 lbs 2 8 kg Shipping weight 7 2 lbs 3 3 kg Power supply 120 VAC 7 A 60 Hz 1 PH Max ambient temperature HStorage and transport 4 to 140 ºF 20 to 60 ºC HOperation 4 to 104 ºF 20 to 40 ºC Relay outputs Breaking capacity HPump relay 120 VAC 6 3 A max HRelay fault message 120 VAC 5 A max Terminal connection 16 10 ...

Page 14: ... V 5 A compiled failure alarm Outdoor temperature sensor Common supply temperature sensor Party switch dry contact External heat demand dry contact KM BUS I Viessmann BUS F1 Fuse 0 63 A 250 V time delay F2 Fuse 6 3 A 250 V time delay 5285 781 v1 5 M L G N L G N L G N I TR 12VAC 120VAC F1 T0 63A F2 T6 3A ...

Page 15: ...15 5285 781 v1 5 ...

Page 16: ...ca info viessmann ca Viessmann Manufacturing Company U S Inc 45 Access Road Warwick Rhode Island 02886 USA Tel 401 732 0667 Fax 401 732 0590 www viessmann us com info viessmann us com 16 5285 781 v1 5 5285 781 v1 5 Printed on environmentally friendly recycled and recyclable paper Technical information subject to change without notice ...

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