KWE Versatronik COMO OT User manual

CONTROL
Versatronik®COMO OT
OpenTherm
Room Temperature Controller
This is not a safety control.
Cautionary Statement
Please observe the safety instructions and
read through this manual carefully before
commissioning the equipment.
IMPORTANT
Read and save these instructions for
future reference
1
2:47
Installation and Operating Manual

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KWE P/N 542 019 Versatronik COMO OT V1.1 06/2009 Technical information subject to change without notice
Table of Contents
Caution, Warning Trademark Information Section 1
Control Mounting and Installation Section 2
Boiler Control Wiring Overview Section 3
Mounting Wall Base and Room Controller
Wiring Room Controller
Outdoor temperature Sensor Connections
Remote Telephone Switch Wiring
Mode Selector Switch
Menu Structure Overview
Changing the Settings
Expert Values
Errors
Start-up and Commissioning
Technical Data

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KWE P/N 542 019 Versatronik COMO OT V1.1 06/2009 Technical information subject to change without notice
About these instructions
→ Warnings draw your attention to
the presence of potential
hazards or important product
information.
Take note of all symbols and notations intended to draw attention to potential hazards or
important product information. These include “WARNING”, “CAUTION” and “IMPORTANT”.
See below.
!
WARNING
!
Indicates an imminently hazardous
situation which, if not avoided,
could result in death, serious injury
or substantial product/property
damage.
CAUTION
!
Indicates an imminently hazardous
situation which, if not avoided,
may result in minor injury or
product/property damage.
IMPORTANT
→ Cautions draw your attention to
the presence of potential
hazards or important product
information.
→ Helpful hints for installation,
operation or maintenance which
pertains to the product.
CAUTION
Static sensitive components may
be damaged by improper handling
or work within the control. Ensure
all possible measures are taken to
eliminate build-up of static
electricity.
Caution, Warning and Trademark Information

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KWE P/N 542 019 Versatronik COMO OT V1.1 06/2009 Technical information subject to change without notice
Important Regulatory and Installation Requirements
Codes
The installation of this unit must
be in accordance with local
codes.
All electrical wiring is to be done
in accordance with the latest
edition of CSA C22,1 Part 1 and/
or local codes. In the U.S. use
the National Electrical Code
ANSI/NFPA 70.
The installing contractor must
comply with the Standard of
Controls and Safety Devices for
Automatically fired Boilers, ANSI/
ASME CSD-1 where required by
the authority having jurisdiction.
Working on the equipment
The installation, adjustment,
service and maintenance of this
unit must be done by a licensed
professional heating contractor
or persons who are qualified and
experienced in the installation,
service, and maintenance of
similar products. There are no
user serviceable parts on this
control.
Power supply
Install power supply in
accordance with the regulation of
the authorities having jurisdiction
or in absence of such
requirements, in accordance with
National Codes.
→ Please carefully read this manual
prior to attempting installation.
Any warranty is null and void if
these instructions are not
followed.
→ The completeness and
functionality of field supplied
electrical controls and
components must be verified by
those installing the device.
!WARNING
More than one live circuit. See
wiring diagram in this manual.
Turn off power supply to control
and damper/blower before
servicing. Contact with live
electrical components can result in
serious injury or death
Caution, Warning and Trademark Information

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KWE P/N 542 019 Versatronik COMO OT V1.1 06/2009 Technical information subject to change without notice
Information
Warranty Conditions
Installation
Important Text
If the system is not installed, commissioned,
serviced and repaired properly, it will render the
manufacturer's warranty null and void.
!Important information is highlighted
with an exclamation mark.
E This attention symbol indicates
dangerous situations.
Information regarding the installation and
commissioning of this equipment is found in
following sections.
Declaration of Conformity
This device corresponds to the requirements of the
relevant guidelines and standards, if the
corresponding installation regulations and the
manufacturer’s instructions are complied with.
Please note the connection conditions specified by
your local electrical power supply company and
the VDE regulations.
Your heating control system may be installed and
serviced only by appropriately
authorized specialists.
EIf the system is not installed properly, there is
a risk of fatal or severe personal
injury.
Power Connection Regulations
Trademark Information
®Viessmann and Vitodens are trademarks of
Viessmann Werke GmbH & Co KG registered
in the United States and other countries.
Please visit: www.viessmann.ca
www.viessmann.us
®Versatronik is a registered trademark of
K-W Electronic Service Inc.
† All other products listed are trademarks of
their respective companies
Caution, Warning and Trademark Information

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KWE P/N 542 019 Versatronik COMO OT V1.1 06/2009 Technical information subject to change without notice
Section 1
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KWE P/N 542 019 Versatronik COMO OT V1.1 06/2009 Technical information subject to change without notice
Control Installation Section 2
Control Installation Information
Mounting Wall Base and Room Controller Section 2.0
Wiring Room Controller to:
Viessmann Vitodens 100-W, WB1A
Viessmann Vitodens 100-W, WB1B
Section 2.2
Outdoor temperature Sensor Connections Section 2.1
Remote Telephone Switch Wiring Section 2.3

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KWE P/N 542 019 Versatronik COMO OT V1.1 06/2009 Technical information subject to change without notice
Control Installation
Dimensions: 147 mm x 97 mm x 33 mm
5.75 in. x 3.82 in. x 1.3 in.
A: Retention holes (for assembly on switch
socket)
B: Cutout for cable entry
C: Connection terminals (PIN 1 is on the left)
1. Secure the base to the wall (approx. at
eye-level).
2. Connect terminals 1+2 on the base with the
terminals on the OT-BUS of the boiler. The
BUS connector is designed to prevent reversed
poling. The connections can be swapped over.
3. Connect the remote telephone switch
[Terminals 3+4],
if required.
4. Connect the outdoor sensor [Terminals 5+6],
if required.
5. Snap on the top part of the controller,
position and hook in at the center of the top
edge, use a little pressure to pivot it down
onto the base and press on.
Connection terminals
PIN 1+2 OT-BUS
PIN 3+4 remote telephone switch
PIN 5+6 outdoor sensor
Disassembly
Insert a screwdriver in the opening on the
underside and lever off. Take hold of the
underside and pivot upwards.
A
C
A
B
16
DBF 2
18 6
12
24
1
2
3
4
5
6
7
F 1
::
1.
2.
3.
DBF 2
18 6
12
24
1
2
3
4
5
6
7
F 1
::
Mounting Wall Base and Room Controller
Section 2.0

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KWE P/N 542 019 Versatronik COMO OT V1.1 06/2009 Technical information subject to change without notice
1
Outdoor Temperature Sensor Connections
Section 2.1
Control Installation
1. Install outdoor temperature sensor on outside
of structure.
2. Connect field supplied wiring to terminals
inside of sensor. Ensure wiring is run through
strain relief at bottom of sensor housing.
Reinstall sensor cover onto sensor backing.
3. Run field supplied wiring between sensor and
controller sub-base.
4. Locate wiring connections on sub-base of
Versatronik COMO OT Room Controller.
5. Wire to terminals 5 and 6 in sub-base of
Versatronik COMO OT.
Install Versatronik Como OT onto sub-base for
programming or adjustments.
WARNING
!
When extending wire there is the possibility of
exposure to electromagnetic interference. Avoid
running wires beside or near high voltage 120/240
VAC conductors. If proximity to high voltage
conductors cannot be avoided, use stranded, twisted
pair of shield design wire. Ensure that only one end of
the shielding is grounded.
Important
The outdoor temperature sensor should be
mounted 2 to 2.5 metres above ground level on
the north or north-west facing wall of the
building. In the case of multi-storey buildings, it
should be mounted in the upper half of the
second storey. Make sure that the sensor is not
located over windows, doors and air vents, nor
immediately beneath a balcony or guttering. Do
not paint over the outdoor temperature sensor
housing.
Wiring Steps
2
3
4
5

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KWE P/N 542 019 Versatronik COMO OT V1.1 06/2009 Technical information subject to change without notice
Wiring Room Controller to Viessmann Vitodens 100-W, WB1A
2
3 1
4
5
6
Section 2.2
Control Installation
1. Flip down control of Vitodens 100 boiler. Refer
to the boiler manual outlining procedure.
2. Locate 4 pole plug in upper left hand
corner on backside of control.
3. Wire into 4 terminal plug to terminals 3 and 4.
4. Field supplied wire between boiler and
Versatronik COMO OT Room Controller.
5. Locate wiring connections in sub-base of
Versatronik COMO OT Room Controller.
6. Wire two wire communication wiring into
terminals 1 and 2 of sub-base.
Please note:
If the 4 pole plug referenced in step 2 is missing
from the boiler, please contact your Viessmann
representative or wholesaler.
WARNING
!
When extending wire there is the possibility of
exposure to electromagnetic interference. Avoid
running wires beside or near high voltage 120/240
VAC conductors. If proximity to high voltage
conductors cannot be avoided, use stranded, twisted
pair of shield design wire. Ensure that only one end of
the shielding is grounded.
Wiring Steps