Install Instructions

12
buffer tank
thermostatic!
radiator valves!
(TRV) on each!
radiator
TRV
TRV
TRV
TRV
TRV
TRV
R
W
C
T
T
com
power
zone
transformer
N LL
RELAY 1
C N/ON/C C N/ON/C
RELAY 2
Caleffi!
single zone relay
T
T
L
N
A3 - Single master thermostat, panel radiators with TRVs, variable speed pump
Hydronic diagram is for illustration purposes only, some components have been removed for simplicity.