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Vitodens 200-W, B2HE Quick Start-up Guide
Installation
Typical Single Pipe and Coaxial Pipe Venting Layouts
Typical Single Pipe and Coaxial Pipe Venting Layouts
10
Typical Two Pipe Venting Layouts
Typical Two Pipe Venting Layouts
11
Flex Pipe Venting
Rigid Pipe Venting
Coaxial Pipe Venting
Combustion
air opening
Combustion
air opening
Flex Pipe
Venting
Rigid Pipe
Venting
Rigid Pipe
Venting
OR
OR
Refer to the “Rigid and Flex Pipe Venting Systems”
Instructions supplied.
Refer to the “Rigid and Flex Pipe
Venting Systems” Instructions supplied.
Opening the Junction Box
Opening the Junction Box
12
Accessing the Electrical Connections
Accessing the Electrical Connections
13
Placing the control base in the service position
1. Release tabs on the boiler control base.
2. Pull the control base straight out.
3. Place the control base in the service position, there are positioning tabs
located at the rear of the control base to be aligned with the holes in the
boiler jacket and lock in place with the control base clips.
Opening the junction box
4. Release junction box cover clamps.
5. Lift the junction box cover.
Legend
A
Diaphragm grommets, low voltage
B
ON/OFF switch
C
Knockouts for 120VAC connections
Bundle cables using cable ties.
Route low voltage cables separately from 120V~ cables.
Secure the cables on the underside using the supplied cable ties.
Do not route cables over sharp edges.
Refer to the “Control Connections” section of
the B2HE Installation and Service Instructions for
more detail.
Connecting DHW Tank Temperature Sensor (B1HE) Optional
Connecting DHW Tank Temperature Sensor (B1HE) Optional
14
Tank Temperature Sensor (Supplied)
Install the supplied tank temperature sensor
A
into the tank (in one of two
locations) to terminal 3 and 4 located in the boiler junction box
C
(as shown).
Tank Temperature Controller (Field Supplied)
To connect the field supplied Tank Temperature Controller (e.g. Aquastat). Connect
the Tank Temperature Controller wiring
B
to terminal 3 and 4 located in the
boiler junction box
C
.
Refer to the “Electrical Connections” section of the B2HE
Installation and Service Instructions.
Refer to the “Tank Temperature Controller” manufacturer’s
Instructions for more detail.
