7
Technical features and dimensions
2.1 - TECHNICAL FEATURES
The PK series ... X is made up of gas heating units and very
low condensing temperature according to dir. 92/42, made
??entirely of stainless steel, high water content, complete with
modulating burner premix.
Efficiency class:
(4) stars
Power supplye 150 to 348 kW
Performance in condensation, more than 107% to 100% and
109% load at 30% load, thanks to the special pipes patented
progressive.
The components of the parts under pressure, such as steel
plates and pipes, are built in stainless steel 316L, according
to the tables EURONORM 25 and EURONORM 28.
The welders and the welding processes have been approved
by TUV (GE) - UDT (PL) - SD (S) and ISPESL (IT).
2
Optional kits:
Neutral Kit NH300 - part number: 00262827 for appliances
up to 300 kW
Neutral Kit NH1500-P part number: 00262829 for applian-
ces upto 300 kW
MODULE MANAGER CASCADE BCM - code 00361602
MODULE SHC (slave heating controller) - code 00362317
TECHNICAL FEATURES
AND DIMENSIONS
- Horizontal direct-fired hearth;
- Tube bundle consisting of armored tubes patented progres-
sive 316L stainless steel exterior with aluminum inner bla-
des, placed in vertical tube bundle 1: functional drainage of
condensate, the absence of acid deposition wet cleaning
severity of heat transfer surfaces;
- Double return for medium and low temperature in the lower
back;
- Smoke chamber with stainless steel condensate drain
connection and condensate level sensor;
- Opening the door to the left with the possibility of change of
rotation;
- Control panel and electronic HSCP Master (Heating
System Control Panel), external to the mantle, with tempe
rature control unit eBus placed vertically at the side door,
single boiler code:
00362322 for PK150X 2S
00362321 for PK230X 2S
00362320 for PK300X 2S
00362318 for PK348X 2S
- For boilers in battery (up to 7), control panel and electronic
slave, external to the mantle, placed vertically at the side
door code:
00362326 for PK150X 2S
00362325 for PK230X 2S
00362324 for PK300X 2S
00362323 for PK348X 2S
- External shell covered with a layer of mineral wool 80 mm
thick in turn protected by a tissue mineral fiber;
- Attack 2 ½ "conduit with an inner diameter of 15 mm
(suitable for housing 3 bulbs each);
- Sides of the coat fitted with holes for cable glands for power
cables and any other assistive device;
- Total premix burner built in AISI 441 and coated with
special fiber:
- Mixing air / gas ratio of 1:1 range of modulation
(modulation ratio greater than 1:4);
- mixing system upstream of the fan, which ensures proper
operation even with low gas supply pressures
(up to 13 mbar);
- reduced power consumption compared to a
conventional forced draft burner;
- Very low emission combustion.
