Figure E1.2 Typical Piping Layouts - Hamworthy Purewell VariHeat 65he Installation, Comissioning And Servicing Instructions

Figure E1.2 - Typical Piping Layouts
Expans ion pipe
Float
va lve
Mains water
Feed &
ex pansion
tank
Hamworthy Modular Boilers
F eed
T
pipe
VENTED SYSTEM: Primary loop, Hamworthy recommended system.
Mai ns water
Lockshield
va l v e
Lockshield
va lve
Lockshield Temporary Doubl e
va l v e
UNVENTED SYSTEM: Prim ary loop, Hamworthy recommended system.
Expansion pipe
Float
Val v e
va lve
Mains wat er
Feed &
ex pansion
tank
F eed
pipe
VENTED SYSTEM: Single pipe header
Mai ns water
Lockshield
va l v e
Lockshield
va lve
Lockshield Temporary
va l v e
UNVENTED SYSTEM: Single pipe header
HAMWORTHY HEATING LTD
Pr essure &
Temperature
Drain
gauges
T
P
Safety
valve
Module Module Modu l e
1 2 3
Circulation pump
(Pri m ar y l o op)
Automatic
Ai r Vent
Ex pansion
vess el
Drai n
valve
check
fill line
valve
Drain
Safety
valv e
Module Module Modu le
1 2
Hamwor thy Modular Boiler s
Circulation pump
(Primary loop)
Automatic
Ai r Vent
Ex pansion
vess el
Drai n
valve
Doubl e
check
fill line
valve
Valve
Circulation pump
( System)
Valve
Drain
valve
Drain
Safety
valve
Valve
Module Module Module
1 2
Hamwor thy Modular Boi l er s
T
Circulati on pump
(Pri m ary l o op)
Pressure &
Temperature
gauges
T
P
Valve
Ci r c ulation pump
( System)
3
Valve
Dr ai n
va lve
Drain
Safety
va lve
Valve
Modu le Module
1 2
Hamworthy Modular Boilers
Circulation pump
(Pri m ar y l o op)
54
PUREWELL VariHeat he
Pressure &
Temperature
P T gauges
Valv e
Circulation pump
3
(System)
Valv e
Drain
valve
Pressure &
Temperature
gauges
T
P
Valve
Circulation pump
( System)
Module
3
Valve
Drain
valve
Automatic
Ai r Vent
Heating lo ad
Automatic
Ai r Vent
Heating lo ad
Automatic
Ai r Vent
Heating lo ad
Automatic
Ai r Vent
Heating lo ad
500001170/K