
12
2. TECHNICAL CHARACTERISTICS
Technical specifications
um
WHDHP 300 SSH
WHDHP 500 SSH
Energy efficiency class
-
B
B
Insulation thickness
mm
70
70
Dissipation
W
73
84
DHW storage tank useful volume
l / m
3
270 / 0,27
450 / 0,45
Coil area
m
2
3,3
6
Coil water content
l
20,2
51,5
Buffer tank useful volume
l / m
3
80 / 0,08
74 / 0,07
Dimensions - diameter x height
mm
690 x 1925
790 x 2040
Empty net weight
kg
150
200
Empty gross weight
kg
156
207
Maximum DHW / coil operating pressure
bar
10
10
Maximum buffer tank operating pressure
bar
6
6
Maximum working temperature
°C
95
95
Dimensions and connections
45
°
45
°
Fig. 1
Ref
um
WHDHP
300 SSH
WHDHP
500 SSH
A
mm
550
650
B
mm
1755
1850
C
mm
1300
1350
D
mm
875
750
E
mm
340
235
F
mm
160
135
G
mm
160
135
H
mm
340
235
I
mm
505
375
J
mm
675
565
K
mm
765
650
L
mm
940
805
M
mm
1425
1520
N
mm
1675
1710
O
mm
1755
1850
P
mm
1925
2040
Q
mm
690
790
R
mm
150
150
Ref
Description
um
WHDHP
300
SSH
WHDHP
500
SSH
1
DHW flow
inches
1 ¼ F
2
Anode
inches
1 ¼ F
3
Thermometer
(included)
inches
½ F
4
Heating element
inches
1 ½ F
5
Probe holder
(included)
inches
½ F
6
Delivery from heat pump
inches
1 F
7
Return to heat pump
inches
1 F
8
System return line
inches
1 F
Ref
Description
um
WHDHP
300
SSH
WHDHP
500
SSH
9
System delivery line
inches
1 F
10
Buffer tank vent
inches
½ F
11
Cold water inlet
inches
1 F
12
Coil return
inches
1 ¼ F
13
Recirculation
inches
½ F
14
Coil flow
inches
1 ¼ F
1 F
15
DHW flow
inches
1 F
16
Flange
mm
180/120
17
Ground
-
M6 nut