Mounting Of Immersion Sensor; Filling, Start-Up - Danfoss Kompakt H28 Instructions Manual

Instructions

7.11 Mounting of immersion sensor

Please note: Only for ECL 300 variants
The immersion sensor for accurate temperature measurement and
control in the cylinder is supplied separately and must be mount-
ed and connected to the controller on site.
Temperature range immersion sensor: 0 to 100 °C
Temperature range immersion pocket: 0 to 180 °C
2-wire cable (2 x 0.34 mm²) spliced is preassembled in the control-
ler.
1) Mount sensor pocket (separately delivered) in top or bottom of
cylinder.
2) Lay immersion sensor and cable from substation to cylinder and
mount immersion sensor in immersion pocket.
In case the length of the sensor cable is not long enough for your
property, it is recommendable to change the whole cable. The
minimum area for the cable is 0,4 mm² and max. length is 125 m.
For electrical connections please refer to enclosed schedule.

8.0 Filling, Start-up

Check and tighten all connections before adding water to the
system, as vibrations during transport may have caused leaks.
After having added water to the system, tighten all the connec-
tions before performing leak test.
Then heat up the system and tighten the connections once again.
Before adding water to the system and first start-up, check if:
- pipes are connected according to the circuit diagram,
- expansion vessel, if any, is connected,
- heat meter is mounted,
- shut-off valves are closed,
- threaded and flanged connections are tightened.
Adding water to the system:
1. Pump must be switched off when water is added to the system.
2. Fill heat exchanger and system with water until the manometer
shows a working pressure, which corresponds to the system
height + 5 m (approx. 1,5 - 2,0 bar)
3. Deaerate the system completely.
4. Start the pump.
Danfoss District Energy
Kompakt H 28/35/42
Application Sensor 1 (Cylinder top) Sensor 2 (Cylinder bottom)
P17
C37/47
C67
P16
C66
VI.GP.B1.02
Electrical connections
S1 Clamp 17 16 S2
S6 Clamp 22 16 S5
S6 Clamp 22 16 S5
Sensor 2 (Return temp. sensor)
S3 Clamp 19 16 S4
S5 Clamp 21 16 S6
Clamp 18 16
Clamp 21 16
Clamp 21 16
Clamp 20 16
Clamp 22 16
13 13
DKDHR