Atag A203C Installation & Servicing Instructions

Installation & Servicing instructions ATAG A-Series
17
6.8 Flue gas exhaust system and air supply system
The ue gas exhaust system and air supply system consists of:
- Flue gas pipe;
- Air supply pipe;
- Roof or wall terminal.
The ue gas exhaust system and air supply system must comply with:
United Kingdom:
The ue gas outlet and air supply installation must comply with the current regulation
requirements. IG UP 10 and BS 715.
Ireland:
- Irish standard is 813 section 9.10.1
The ATAG A boilers as described in this manual are pre tted with a ue non re-
turn valve. Contact ATAG if you want to use the boiler with a common combined
ue system.
Permittance upfront from ATAG is required otherwise no recourse can be made.
Open boiler
Room sealed system
SS
P
SS
P
P
SS
P
Open boiler and room sealed system Figure 6.8.a
P
P/A P/A P/A
All ue gas parts, which are outside the re
resistant cover, need to be in stainless steel.
Boiler Class C
Permitted only
when the air
intake and the ue gas
outlet are in the same
pressure area.
BoilerClass B
Free exhaust area
Air lter

Atag A203C Specifications

General

Type	-
Fuel type	Natural gas
Boiler system	Combi boiler system
Product color	White
Heater location	Indoor
Placement supported	Vertical
Boiler type (NL label)	HR
HR inspection label class	107
Maximum power	20000 W
Minimum power	4400 W
Water flow (60 °C)	6 l/min
Domestic Hot Water (DHW) flow	10.7 l/min

Weight and Dimensions

Depth	395 mm
Width	500 mm
Height	650 mm
Weight	37000 g