Section 3: Primary circuit installation
Page 11
figure 3-1:
Pre-plumbed cylinder (buffer option)
figure 3-2:
Pre-plumbed cylinder (volumiser option)
22mm Flow to
Heating Zone 1
22mm Flow to
Heating Zone 2
Expansion Vessel
Hose Connects into
Pressure Reducing
Valve
3
4
" FI Tapping
System
Circulator
NOT Supplied
28mm Return from
Heating Circuits
28mm return
to ASHP
28mm flow
28mm flow
from ASHP
Primary flow
pipe connection
Buffer tank
immersion
heater
Buffer tank
flow connection
Cylinder
Immersion
Heater
DATE: 2nd August 2018
SCALE: A4: 1:10
DRAWN BY: T. K. Lavery
CHECKED BY: P. Stanley
□
GRANT ENGINEERING UK LTD
Hopton Industrial Estate Devizes SN10 2EU
DRAWING NAME: ASHP - Fig 3.1 Pre-plumbed cylinder (buffer)
DRAWING NUMBER: List
REVISION: 00
22mm Flow to
Heating Zone 1
22mm Flow to
Heating Zone 2
Expansion Vessel
Hose Connects into
Pressure Reducing
Valve
3
4
" FI Tapping
28mm Return from
Heating Circuits
28mm Flow
Connection
Capped Off
28mm return
to ASHP
28mm flow
from ASHP
Primary flow
pipe connection
Buffer tank
immersion
heater
Cylinder
Immersion
Heater