Installation and Operating Instruction

Mounting / Installation
1
Screw
Screw
2
You can lead additionally required cables
into the unit through the cable opening on
the bottom of the unit.
Lay the cables as follows:
• Lay current-carrying wires and
sensor leads separately. Use the
lower clamp for the 230 V wire and
the upper clamp for the sensor
lead and the bus line.
• The clamps serve as stress relief.
Make sure that the cables are long
enough to be mounted without placing
strain on them.
4.2.19 Pin Assignment on the Terminal Strip
Remove the two screws on the left of the
operation panel. To open the panel, lift
up lightly on the left side. You can then
clap it open it to the right.
Sensor Lead
230 V Wires
Make sure the electricity is disconnected before you begin!
BOY III Combi comes with an integrated and preinstalled three-way valve
- 23 -
o r g o r w ew eo r w eg b l g r / gG e
B W A F B U S 3 - W e Ng e t z
V e n t i l
N
N
B W
= D H W S e n s o r
A F
= O u t d o o r T e m p . S e n
B U S
= H e a t i n g C o n t r o l l e r
3 - W e g = e 3v -e W n t a i l y - V a l v e
N e t z
= G r i d c o n n e c t i o n ~ 2
Gebr. Bruns GmbH is not responsible for typographical errors or technical inaccuracies and reserves the right to make adjustments.
Gebr. Bruns GmbH • Hauptstraße 200 • 26683 Saterland •Tel.: + 49 (0) 44 92 / 92 46-0 • Fax: + 49 (0) 44 92 / 71 41
www.bruns-heiztechnik.de • info@bruns-heiztechnik.de
L