Clean Sight Glass Of Combustion Chamber Door; Check Water Hardness; Ensure Proper Fit Of Insulation Blanket; Ensure Proper Operation Of Heating System Control - Viessmann VITOROND 200 Service Instructions Manual

Vitorond 200, VD2A Series Service

Clean Sight Glass of Combustion Chamber Door

Check Water Hardness

Ensure Proper Fit of Insulation Blanket

Ensure Proper Operation of Heating System Control

Ensure Proper Operation of Low Temperature Protection Package
Inspection and Maintenance
Check the gaskets and hose connection for leaks.
Water treatment should be considered in areas where it
is known that boiler feed water contains a high mineral
content and hardness. Test and establish proper chemical
make-up of system water.
Note: Contact a local water treatment company for
advice.
Ensure proper fit of insulation blanket.
Remove motorized arm from mixing valve and check the
motor for ease of movement. If mixing valve is not water-
tight, replace O-ring seals and snap the motorized arm
back into place

Ensure proper operation of low temperature protection

package.

13