User Instructions; Installation Examples - Slant/Fin VGH-299-CH Installation And Service Manual

20

USER INSTRUCTIONS

After installing and commissioning of the boiler, demonstrate the operation of the entire central heating system to
the end-user. The user must be made familiar with all safety precautions of the boiler and the installation. The
user must be instructed that service and maintenance of the boiler is required every twelve months. Regular
service and maintenance is essential for a safe and proper operation of the boiler. Hand over the documents
supplied with the boiler.
21

INSTALLATION EXAMPLES

The following schematics present several examples of heating installations:
Safety components, bypass, control devices and so on must be added conform all
applicable standards and regulations.
WARNING
System Example 1
BOILER
P1
Figure 21-1
System Example 2
BOILER
OS
P1
Figure 21-2
118
All schematics are purely functional.
RT
HEATING
ZONE
P3
LLH
FS
HEATING
ZONE
P3
LLH
FS
E93.1601EN032.C VGH installation manual
Low Voltage Connections
Name
RT Room thermostat
System temperature
FS
sensor
LLH Low loss header
High Voltage Connections
P1 boiler circulator
P3 system heating circulator
Low Voltage Connections
Name
OS outdoor temperature sensor
FS System temperature sensor
LLH Low loss header
High Voltage Connections
P1 boiler circulator
P3 system heating circulator
Wire terminal
12-13
3-4
4-PE-5
6-PE-7
Wire terminal
1-2
3-4
4-PE-5
6-PE-7