Sizing The Heat Source For Water/Water Heat Pumps; Groundwater - Viessmann VITOCAL 200-G Technical Manual

Design information
PE pipe 63 × 5.8 mm, PN 10
Flow rate R value for Tyfocor
l/h Pa/m
1500
1600
2000
2100
2300
2400
2500
2700
3000
3200
3600
3900
4200
5200
5400
5500
6200
6300
7200
7800
9200
9300
12600
15600
18600

6.7 Sizing the heat source for water/water heat pumps

Groundwater

Water/water heat pumps utilise the energy content of groundwater or cooling water.
K
approx. 1.3 m
E
6
-12.0 m
-14.0 m
F
-15.0 m
G
-16.0 m
-20.0 m
-21.0 m
C
A To the heat pump
B Return well
C Delivery well
D Pressure pipe
E Supply pipe
F Non-return valve
G Well pump
VIESMANN
42
(cont.)
17.8
25.3
30.1
34.0
42.7
45.2
48.0
56.2
63.0
69.9
84.9
102.8
121.9
161.7
187.7
191.8
227.4
239.8
316.5
367.2
493.2
509.6
956.3
1315.2
1808.4
N
A
G
M
L
min. 5 m
H
Volumes in PE pipes, PN 10
External Ø pipe × wall DN
thickness
mm
20 × 2.0
25 × 2.3
32 × 3.0 (2.9)
40 × 2.3
40 × 3.7
50 × 2.9
50 × 4.6
63 × 5.8
63 × 3.6
K
-11.0 m
D
-14.0 m
-15.0 m
-23.0 m
-24.0 m
B
H Flow direction of the groundwater
K Well shaft
L Primary pump (integrated subject to type)
M Heat exchanger, primary circuit
N Frost stat, primary circuit
O Flow switch, well circuit
Volume per m pipe
l
15 0.201
20 0.327
25 0.531
32 0.984
32 0.835
40 1.595
40 1.308
50 2.070
50 2.445
VITOCAL 200-G