Viessmann Vitodens 200 Technical Manual page 68

2.3 Installation in unfinished buildings
333
Pre-installation in unfinished buildings
With connection set (part no. 7188 574)
for gas, heating water and DHW
connection of on-site pipes/lines from
below
comprising:
H 2 shut-off ball valves (G ¾")
with air vent valve, heating water
H Gas stop cock R ½" with integral
thermal safety shut-off valve
H Fill valve
H Wall mounting panel
H Flexible interconnecting pipes, heating
water and DHW and gas
H Drain outlet kit with safety valve drain
lines
2
KW HV GA HR
243
180
470
208
C
KOA
Z1
200
Key to symbols
GA Gas connection G ¾"
HR Heating return G ¾"
HV Heating flow G ¾"
KOA Condensate drain
(outlet siphon)
OKFF Top edge finished floor
KW Cold water G c
WW Hot water G c
Z 1 DHW circulation G 1" (without DHW
circulation pump connection set)
Z 2 DHW circulation G ¾" (with DHW
circulation pump connection set)
68
Vitodens 333
Note
Maintain a clearance of 700 mm in front
of the Vitodens for service purposes.
Maintenance spaces to the l.h. or r.h. side
of the Vitodens are not required.
WW
Z2
A
B
OKFF
A Connection set
B Vitodens 333 (external dimensions)
C Area for electrical supply cables.
Allow all cables to protrude approx.
2 000 mm from the wall.
D Safety assembly to DIN 1988, DN 15,
as separate accessory
E DHW circulation connection with
DHW circulation pump (separate
accessory)
D
E
A
VITODENS