LAARS DuraFlow - Installation, Operation and Maintenance Instructions - Manual (Page 4)

LAARS Heating Systems Company
Page 4
Figure 4. Zoning with Valves.
TRANSFORMER
DISCONNECT
SWITCH
L2
L1
LOW
MASS
BOILER
TERMINALS
DURAFLOW
WATER HEATER
AQUASTAT
ZONE THERMOSTATS
ZONE
VALVES
NO
NC
C
RELAY
G
L1
L2
T T
Figure 3. Piped as Buffer and Indirect.
NOTE: Pump Operates From
C
1
-C
2
Terminals On Boiler Aquastat.
OUT OF
PRODUCTION