26
2.6. Water Management
2.6.1. Circulating Pump Technical Properties and Characteristic Curves
The list of appropriate pumps to be used with ALDENS is seen below. The pumps can be purchased
with its additional sanitary and electrical connection equipment. The devices are A type high energy
class pumps which are conformative with the ErP energy regulations up to date. They are energized
and driven by the LMS 14 boiler control card and 230 VAC PWM signal.
In order to make the electrical connections, it is unneccesary to be able to reach the LMS 14 card.
The connections can be easily done via the electrical terminals located at the back side of the boiler
front user panel. It is also an advantage of your ALDENS boiler that the user panel can also easily
be detached from its pins and turned around the panel pivots.
When using appropriate pipe and installation dimensions, the pump should be chosen to be capable
of circulating water between the boiler and balance tank. Whether using a balance tank or a plate
heat exchanger between the return and outflow, the needed head rise may also differ so that the
pump should be selected carefully. The LMS 14 card adjusts the pump speed to set the temperature
difference between cold water inlet and hot water outlet to 20°C constant value.
Depending on the ALDENS type, boiler total pressure drop curves are as seen below.
Plate Heat
Exchanger
Balance
Tank
Grundfos
Wilo
Grundfos
Wilo
UPML 25-105 /
130 PWM
Yonos PARA HF
25/10
UPML 25-105 / 130
PWM
Yonos PARA HF 25/7
Grundfos
Wilo
Grundfos
Wilo
UPML 32-105 /
180 PWM
Yonos PARA HF
30/10
UPML 32-105 / 180
PWM
Yonos PARA HF
30/10
Grundfos
Wilo
Grundfos
Wilo
UPMXL GEO 32-
125 / 180 PWM
Yonos PARA HF
30/10
UPML 32-105 / 180
PWM
Yonos PARA HF
30/10
Wilo
Wilo
Grundfos
Wilo
Stratos Para 30 / 1-
12
Yonos PARA HF
30/12
UPMXL GEO 32-125
/ 180 PWM
Yonos PARA HF
30/10
Wilo
Wilo
Wilo
Wilo
Stratos Para 30 / 1-
12
Yonos PARA HF
30/12
Stratos Para 30 / 1-
12
Yonos PARA HF
30/10
ALDENS 150 L/T
6,3
7,3
5,6
Boiler Model
Needed Head Rise [mWC]
Water Flow
[m³/h]
ALDENS 105 L/T
4,5
6,4
4,7
ALDENS 130 L/T
5,6
7,1
5,3
ALDENS 65 L/T
2,8
7,4
5,7
ALDENS 85 L/T
3,7
4,9
3,2
Plate Heat Exchanger
Hydraulic Header
Pump with PWM
signal
Constant / Variable
Pressure Tunable
Pump
Pump with PWM
signal
Constant / Variable
Pressure Tunable
Pump
Содержание ALDENS 105
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