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2 Important Information
2.1 Safety instructions
When carrying out work on the heating system, such as
cleaning and maintenance, wear appropriate protective
equipping when required.
There is a danger of getting injured through: burning,
knocking against corners and edges, crushing in moving
parts and noise.
Mains supply: 120V or 240V/1/ and 208V/3/ 60Hz
In a risky situation, the PYROT can be disconnected from
the electrical mains at all the leads by the master switch
on the control cabinet
Doors
For safety keep firing and ashpit doors tightly closed.
CAUTION
FIRE HAZARD:
The boiler must never be operated with the doors open!
Any burning bits that escape could start fire.
RISK OF INJURY:
If the doors are open during operation, sparks or flames
could leap out.
Equipment for dissipating excess heat
A competent specialist should examine the operational re-
liability of the thermal run-off safety valve annually. The
safety heat exchanger must not by any means be used as
an operational heat exchanger.
Seals
For the functioning and controllability of the burner, it is
important that no unwanted air can leak in, entering un-
checked through leaky spots.
The doors and lids have to shut tight
−
−
−
−
any damaged seals
must be replaced immediately
. Tighten the retaining
screws and handles snugly.
Operation, cleaning & maintenance
Bear in mind that only if operated and maintained properly
can even the best of products fulfil their functions well,
doing so for a long time and free of malfunctions.
Compliance with the "Cleaning" section is mandatory
!
2.2 Excess temperature/power failure
CAUTION
DANGER OF THIS SUDDENLY GOING UP IN FLAMES:
Do not open the doors or lids on the boiler plant!
-
Switch on additional heat loads.
-
The flue gas fan goes out of operation.
-
The temperature-limiting safety switch triggers.
-
The valve for the thermal run-off safety valve opens at
approx. (95°C) 203° F. The excess heat is conducted
off into the channel.
If the temperature-limiting safety switch (FHL) has trig-
gered, then it has to be manually unlocked. The FHL is
situated at the top of the boiler.
To reset, unscrew the black cap and press the button.
NOTE: Only as of a temperature of approx. (70°C) 158°F
resetting is possible.
Possible causes for excess temperature:
-
Incorrect setting on the control module.
-
Defective component of the system (pump or valve).
-
Sudden drop in output to zero. The feed auger still has
to be emptied. The heat yet produced by this can re-
sult in surplus temperature. Activate "DISSIPATE
SURPLUS HEAT" function!
2.3 Low water/excess water pressure
Possible causes:
1. Low water: Leakage in the heating system.
2. Excess water pressure: The expansion tank not
functioning.
In either case, should the boiler examined by a competent
heating constructor.
Unlock this malfunction with either the reset button for
the water level control system or for the overpressure
monitor, and by pressing the OK key on the control panel.
Summary of Contents for PYROT KPT 1250
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