2.3.1 Polywarm-Maxi PWB Buffer Vessels
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Page
10
of
25
H1(15)
2000 - 2500 - 3000 LITERS
ITEM
No.
DESCRIPTION
1
Drain
2
Domestic cold water inlet
3
Flow to external heat
source
5
Blind inspection flange
7
1/2”BSP tapping for
instrumentation
8
9
1/2”BSP tapping for
instrumentation
10
Connection for immersion
heater
11
Re-circulation
12
T & P valve
13
Alternative return from
external heat source
source
14
Domestic hot water outlet
15
Drain 1”BSP (only
models >1000L)
1
H15 (9)
H7 (8)
0
H17(13)
De
(14)
H16(10)
H6(7)
H4(5)
H2(2)
H1(1)
FROM 500 TO 1500 LITERS
(1) (2) (11)
(7) (10) (12)
(5)
(8) (9)
(3) (13)
(14)
Connections
H17(11)
H2(3)
H17(12)
Return from external heat
Df
