TPE, TPED Series 2000

6.3.1 Guide to the selection of control mode based on system type
System type System description Select this control mode
Relatively big pressure
losses in the boiler, chiller
or heat exchanger circuit
and the pipes.
Relatively small pressure
losses in the boiler, chiller
or heat exchanger circuit
and the pipes.
6.4 Factory setting
1. Two-pipe • with a dimensioned pump head higher than 4 metres
heating • very long distribution pipes
systems with
thermostatic
• strongly throttled pipe balancing valves
valves • differential pressure regulators
• big pressure losses in those parts of the system through
which the total quantity of water flows (e.g. boiler, chiller,
heat exchanger and pipes up to the first branching).
2. Primary circuit pumps in systems with big pressure losses in the primary
circuit.
1. Two-pipe • with a dimensioned pump head lower than 2 metres
heating or • dimensioned for natural circulation
cooling
systems with
• with small head losses in those parts of the system
through which the total quantity of water flows
thermostatic
(e.g. boiler, chiller, heat exchanger and pipes up to the
valves
first branching)
• modified to a high differential temperature between flow
pipe and return pipe (e.g. district heating).
2. Floor heating systems with thermostatic valves.
3. One-pipe heating systems with thermostatic valves or pipe balancing
valves.
4. Primary circuit pumps in systems with small pressure losses in the primary
circuit.
TPE pumps:
The pumps have been factory-set to proportional pressure.
The head corresponds to 50 % of the maximum pump head (see
data sheet for the pump).
Many systems will operate satisfactorily with the factory setting,
but most systems can be optimized by changing this setting.
In sections 9.1 Menu OPERATION and 9.3 Menu
INSTALLATION, the factory setting is marked with bold-faced
type under each individual display.
Proportional pressure
Constant pressure
TPED pumps:
The pumps have been factory-set to proportional pressure and
the additional operating mode “alternating operation”.
The head corresponds to 50 % of the maximum pump head
(see data sheet for the pump).
Many systems will operate satisfactorily with the factory setting,
but most systems can be optimized by changing this setting.
In sections 9.1 Menu OPERATION and 9.3 Menu
INSTALLATION, the factory setting is marked with bold-faced
type under each individual display.
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