Version 3 - Cylinder Loading System With Several Vitocell 100-L In Parallel And Vitotrans 222 For Constant Flow Temperatures - Viessmann Vitocell 300-H Technical Manual

Installation — cylinder loading system
Version 3 — cylinder loading system with several Vitocell 100-L in parallel and Vitotrans 222 for constant
flow temperatures
A Vitocell 100-L, (here: 500 l capacity)
B DHW circulation pipe
C DHW circulation pump
D Time switch
E Draw-off points (DHW)
F Junction box (on site)
G Heating water flow
Note
Establish cold water connection N with a tee with straight flow to
the cold water connection of the Vitocell 100-L. Always make the
cold water connection to the Vitotrans 222 as a tee branch.
7
VIESMANN
46
(cont.)
H Heating water return
K Cylinder loading pump (secondary), highly efficient
L Plate heat exchanger
M Vitotrans 222 heat exchanger set
N Shared cold water connection with safety assembly to DIN 1988
O Upper temperature controller (ON)
P Lower temperature controller (OFF)
Q Spring-loaded check valve
Due to the necessary high flow temperatures of the heat source,
never use a directly connected heating circuit without mixer.
DHW heating