11
рп
фѵ+ $ޔ/$*)
24
23
H
∑
1
11
20
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
21
22
25
26
27
28
29
30
A
B
E
D
C
F
G
1 Strainer
2 Flow temperature Sensor (primary)
3 Flow temperature Sensor (heat meter)
у ./+*$)/җ+-$(-4Ѷޕ*2Ҙ
5 Test point (primary, return)
х +**'+$ җ*-.#0/*Ȃ1'1 Ҙ
7 Heat
meter
8 Control valve (DHW)
9 Control valve (SH)
10 Plate heat exchanger (DHW)
11 Return Temperature Sensor (primary,
DHW)
12 Plate heat exchanger (SH)
13 Return Temperature Sensor (primary, SH)
14 Over pressure relief valve (3 bar)
рф (+ -/0- ҝ- ..0- "0" җޔ-./ޔ3-$'Ҙ
16 Automatic bleed point
17 Expansion vessel
18 Bleed point
19 Water hammer arrestor
20 Temperature sensor (DHW)
21 Flow sensor
22 Non return valve
23 Non return valve (hot water return,
optional)
24 Circulation pump (DHW, optional)
25 Circulation pump (SH)
26 Temperature/Pressure sensor
27 Drain point
28 Strainer
29 Controller
30 Power supply (mains connection)
-$(-4ޕ*2
B Primary
return
C Cold water mains
D Domestic hot water (DHW)
*)-4ޕ*2җ Ҙ
F Secondary return (SH)
G Over pressure relief pipe
H Hot water return (optional)
18
1
2
3
16
30
29
12
10
25
14
28
27
21
11
13
8
9
7
17
6
A
B
C
D
E F
G
5.1 Facts And Figures
фѵ+ $ޔ/$*).
Δp
3
Δp
2
Δp
1
t
31
t
32
t
12
t
11
t
22
t
21
q
1
q
3
q
2
DH
DHW
SH
∆
p
q
t
P
= District Heating
= Domestic Hot Water
= Space Heating
= Differential Pressure (kPa)
= Flow Rate (l/s)
= Temperature (ºC)
= Power (kW)
Secondary (SH)
Secondary (DHW)
Primary (DH)
P
3
P
2
P
1
Description
Type
District heating station for indirect heating and instantaneous domestic hot water
Mounting
Wall mounted
Dimensions
490 x 275 x 640 mm (WxDxH, height of the case)
Heating System
с+$+ ޕ*2
Construction
Pipework
*++ -+$+ 2$/#-..ޔ//$)".
Heat exchangers
Stainless steel, copper brazed
Casing
Foam Arpro 50g / White painted metal sheet banding
Primary Fluid
Low pressure hot water
Secondary Fluid - Heating
Low pressure hot water
Secondary Fluid - Domestic Hot Water
Potable hot water service
Primary Duty
$)ѵҝ3ѵޕ*2/ (+ -/0- җ/ррҘ
65ºC / 90ºC
*($)'ޕ*2/ (+ -/0- җ/ррҘ
75ºC
'*2-/ җ,рѶ/)*($)'ޕ*2/ (+ -/0- Ҙ
0.267 l/s (960 l/h) at max. output
Pressure rating
PN 16
$)ѵ$Ȃ - )/$'+- ..0- җɂ+рҘ
фп&җпѵф-ҘѶ/)*($)'+-$(-4ޕ*2/ (+ -/0-
3ѵ$Ȃ - )/$'+- ..0- җɂ+рҘ
250 kPa (2.5 bar), or 450 kPa (4.5 bar) with additional DPCV
Cold Water Mains
$)ѵҗ(3ѵҘ+- ..0- җɂ+тҘ
1 bar (PN 10)
Secondary Duty
Domestic Hot Water
Nominal Heat Transfer Capacity (P3)
63 kW
3ѵޕ*2-/ җ,тҘ
20 l/min (0.333 l/s)
Fluid Temperature in (t31)
10ºC
Fluid Temperature out (t32)
55ºC
Duty (secondary) Heating
Heat Transfer Capacity (P2)
рч&ҽтпɂҗрп&ҽспɂҘѶ/)*($)'+-$(-4ޕ*2/ (+ -/0-
'0$ (+ -/0- ޕ*2җ/ссҘ
' /' ѷуп٠ѵѵѵцп٠җ/)*($)'+-$(-4ޕ*2/ (+ -/0- Ҙ
Fluid Temperature return (t21)
Depending on radiators and setup
Maximum secondary pressure
PN10 (restricted to 3 bar by over pressure relief valve)
Connections
All external connections
¾”
Primary & Secondary Fittings
Primary control valves
Control valve with electronic stepper motor
Strainer
)+-$(-4ޕ*2). *)-4- /0-)
Heat Meter
- ޔ// Ҋ*..2 $) - /*)$Ѷ// -4+*2 - ѶҊ0.$)/ -!
Circulation Pump
Grundfos UPM3 AUTO 15-70 130
Expansion Vessel
ч'$/- ޔ// $). *)-4$-0$/
Overpressure relief valve
3 bar, in secondary heating circuit
#0/*Ȃ1'1 җ*+/$*)'Ҙ
#0/*Ȃ1'1 !*-+- Ҋ+4( )/.4./ (.җстпۡѶфп 5Ҙ
DPCV (optional)
$Ȃ - )/$'+- ..0- *)/-*'1'1 җуфп&(3ѵ+Ҙ
Hot water return (optional)
Hot water circulation (incl. pump, non return valve and ball valve)
