Viessmann vitodens Technical Manual page 88

3.2 Installation examples
System design 15
300
Equipment required
Item Description
A Vitodens 300 (from 49 kW) with control unit for weather-compensated mode
and LON communication module
and LON cable
and LON terminator (2 pieces)
C Vitotronic 050 (type HK3W)
with LON communication module
D Temperature limiter for limiting the max. temperature of underfloor heating systems
Immersion thermostat
or
contact thermostat
E Flow temperature sensor
F Heating circuit pump (e.g. in Modular Divicon)
G Extension kit for one heating circuit with mixer plus flow temperature sensor
K Flow temperature sensor for low loss header
L Low loss header in conjunction with Modular Divicon
M Primary pump (boiler circuit), variable speed
N Cylinder loading pump
3
O Cylinder temperature sensor
P DHW cylinder
R Internal extension H 1 (system without DHW circulation; optional connection of an external safety
valve for LPG)
or
internal extension H 2 (system without DHW circulation; optional connection of an interlock for
extraction equipment)
or
external extension H 1 (system with DHW circulation)
88
Number Part no.
1 as per price list
1 7179 113
1 7143 495
1 7143 497
1 Z001 844
1 7172 173
1 7151 728
1 7151 729
1 per Standard
heating delivery of the
circuit extension kit
1 per as per price list
heating
circuit
1 per 7450 650
heating
circuit
1 7179 488
1 as per price list
1 7178 820
1 7339 468
1 7179 114
1 as per price list
1 7159 057
1 7179 144
1 7179 058
VITODENS