Fitting The Measuring And Control Equipment - Viessmann Vitomax HW Series Installation Instructions Manual

Installing the pipework
Note
Observe designation for boiler flow and boiler return
connectors on the boiler.
Note
Install all pipe connections free of load and torque
stress.
1. Thoroughly flush the system (especially when con-
necting the boiler to an existing system).

Fitting the measuring and control equipment

Criteria for selecting measuring and control equipment:
■ Boiler operating pressure
Type of boiler operation:
■
With constant supervision
–
– Without constant supervision
Preparing for the control unit installation
Vitocontrol boiler control unit as accessory:
Equipment for control and limitation
For boilers with Vitocontrol control panel:
Connections on the flue gas side
Danger
Leaks can result in poisoning through escaping
gas.
Check unused boiler apertures and gas lines for
tightness. Reseal if required.
Mounting the flue pipe
Ø10
Ø D
Fig. 4
1. Connect the flue outlet to the flue system using a
flue pipe, ensuring favourable flow characteristics.
12
(cont.)
2. Connect all pipework.
Installing the equipment
Manufacturer's installation instructions
Electrical connection of equipment
Connection and wiring diagram
"Vitocontrol" technical documentation
"Vitocontrol" technical documentation
2. Position the test port (approx. 10 mm
stream of the flue outlet, at a distance of 2 to 3
times the flue pipe diameter.
3. Seal the flue pipe.
Note
Connect all flue pipes free of load and torque
stress. Flue pipes must be connected so they are
gas-tight.
4. Insulate the flue pipe.
Note
Flue gas flange with mating flange is available as
an option.
) down-
7