Redring DC3810 manual Is the Primary Sealed or Open Vented SYSTEM?, Bar, No no Engineers Signature

COMMISSIONING PROCEDURE INFORMATION

BOILER PRIMARY SETTINGS

IS THE PRIMARY SEALED OR OPEN VENTED SYSTEM?	Sealed		Open
IF SEALED THEN WHAT IS THE SYSTEM PRESSURE? Hot		Cold		BAR
IF SEALED THEN WHAT IS THE CHARGE PRESSURE OF EXPANSION VESSEL?				BAR
WHAT IS THE AVAILABLE BOILER FLOW TEMPERATURE?					oC
WHAT IS THE BOILER RETURN TEMPERATURE WHEN CYLINDER/STORE IS SATISFIED?					oC

BOILER PRIMARY SETTINGS

IS THE VENT PIPE CORRECTLY INSTALLED?	YES
WHAT IS THE STATIC HEAD IN METRES?
WHAT IS THE CYLINDER THERMOSTAT SETTING?

NO

METRES

oC

ALL MAINS PRESSURE SYSTEMS

WHAT IS INCOMING COLD WATER PRESSURE?

HAS STRAINER (IF FITTED) BEEN CLEANED OF INSTALLATION DEBRIS? YES

HAS A WATER TREATMENT DEVICE BEEN FITTED?YES IF YES TO ABOVE THEN WHAT TYPE?

BAR NO NO

UNVENTED SYSTEMS ONLY

ARE T&P AND EXPANSION VALVES FITTED AND DISCHARGE TESTED?	YES	NO
IS PRIMARY ENERGY CUT OUT FITTED (NORMALLY 2 PORT VALVE)?	YES	NO
WHAT IS OPERATING PRESSURE (PRV SETTINGS)?			BAR
WHERE IS PRV SITUATED?
HAS STRAINER (IF FITTED) BEEN CLEANED OF INSTALLATION DEBRIS?	YES	NO
HAS EXPANSION VESSEL OR INTERNAL AIR GAP BEEN CHECKED?	YES	NO
WHAT IS THE CYLINDER THERMOSTAT SETTING?				oC

ALL PRODUCTS

HAS THE SYSTEM BEEN EXPLAINED TO THE HOUSEHOLDER?	YES
HAS THE SYSTEMS LITERATURE BEEN LEFT WITH THE HOUSEHOLDER?	YES

NO NO

ENGINEERS SIGNATURE CUSTOMERS SIGNATURE