Absolute Boilers ABS 1500-2000-2500-3000-4000641. Electrical DIN Connector2. Upstream Flange3. G1/8 inlet test port4. Filter5. Valve Body6. Coil7. Test port connection #2, G 1/8 between V1 and V2;both sides.8. Test port connection #3, G1/8 downstream of V2;both sides.9. Regulator outlet pressure adjustment screw; both side10. Vent-less regulator vent connection is G1/8 threaded.The brass vent limiting orifice is 0.2mm in diameter.11. Downstream flange12. Test port connection #1, G1/8 upstream of V1; bothsides.13. Offset adjustment coverCombustion ReadingsEmission Unit Range Part Load (20%) Full Load (100%)CO2 Range % 6 - 9.5 8.0 9.0O2 Range % 8.0 – 4.0 7.0 5.0CO Limit ppm < 100Gas Pressure ReadingsFull Load (100%) Part Load (20%)Δp [in w.c.] Δp [mbar] Δp [in w.c.] Δp [mbar]EPN/EPAW1050EPN/EPAW1600EPN/EPAW20809.4 IMPORTANT SAFETY WARNING:The installation of the boiler is not completed until all controls and safety device have been tested andverified for correct function and operation. It is the sole responsibility of the installer to ensure thatsafety control system and gas ignition system and any there safety control must be testedNote:Absolute is supplied with a number of factory default settings that should be correct for most installations. If theresetting values are required: The following operating situations are now possible: