804
Thermo H plus
8 Repairs
Removal
1. Establish voltage-free state of the heater and secure
it for duration of the work (
Observe
!
).
2. Remove housing (see
).
3. Disconnect cable connections to heating cartridges.
NOTE:
For connections to be disconnected, refer to wiring
diagrams in Chapter
, depending on the heater version.
Compare the heater ident. number under the wiring
diagram with that on the model plate of your heater.
4. If necessary remove the end clamps from the top hat
rail.
) and washers (4).
6. Remove small distribution board (7) from heater.
Installation
1. Position small distribution board (7,
) to the
stud bolts (18) and secure using washers (4) and
screws (3).
2. Ensure all electrical components are installed and ali
-
gned on the top hat rail.
3. If necessary install the end clamps to the top hat rail.
4. Hook-up heating cartridges to the WAGO
®
clamps.
NOTE:
For connections to be established, refer to wiring
diagrams in Chapter
, depending on the heater version.
Compare the heater ident. number under the wiring
diagram with that on the model plate of your heater.
).
).
8.2.5 Heating cartrides/screw plugs removal/
installation
Removal
1. Establish voltage-free state of the heater and secure
it for duration of the work (
Observe
!
).
NOTE:
To ensure the safe removal and installation of the heating
cartridges, the heat exchanger is to be removed and
placed in a vertical mounting position. To do this, the
heater must be removed.
).
3. Place heat exchanger into a vertical mounting position
(see
).
4. Using a wrench loosen the heating cartridges (20,
) or the screw plugs (21), screw them out and
remove them from heat exchanger. Discard gasket
rings (25).
Installation
1. Remove remains of the heating cartridge sealing from
the heat exchanger.
2. Preassemble heating cartridge (20,
) or screw
plug (21) with a new gasket ring (25).
Fig. 803
1 3
2
Connect wire:
1 - 2 - 3
Actuation tool
Wire
Fig. 804
Summary of Contents for Thermo H 160
Page 47: ...memos...
