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APPLIANCE & TIME CONTROL DETAILS
MANUFACTURER OSO HOTWATER (UK)
MODEL
CAPACITY
TYPE
TIME CONTROL
UNVENTED
PROGRAMMER
litres
SERIAL No.
TIME SWITCH
or
COMMISSIONING PROCEDURE INFORMATION
BOILER PRIMARY SETTINGS (INDIRECT HEATING ONLY) ALL BOILERS
IS THE PRIMARY A SEALED OR OPEN VENTED SYSTEM?
SEALED
OPEN
WHAT IS THE BOILER FLOW TEMPERATURE?
C
ALL MAINS PRESSURISED SYSTEMS
YES
WHAT IS INCOMING STATIC COLD WATER PRESSURE AT THE INLET TO THE
PRESSURE REDUCING VALVE?
HAS STRAINER (IF FITTED) BEEN CLEANED OF INSTALLATION DEBRIS?
HAS A WATER SCALE REDUCER BEEN FITTED?
WHAT TYPE OF SCALE REDUCER HAS BEEN FITTED?
NO
YES
NO
UNVENTED SYSTEMS
YES
ARE COMBINED TEMPERATURE AND PRESSURE RELIEF VALVE
AND EXPANSION VALVE FITTED AND DISCHARGE TESTED?
IS PRIMARY ENERGY SOURCE CUT OUT FITTED
(NORMALLY 2 PORT VALVE)?
WHAT IS THE PRESSURE REDUCING VALVE SETTING (IF FITTED)?
WHERE IS OPERATING PRESSURE REDUCING VALVE SITUATED?
NO
YES
NO
YES
NO
bar
HAS THE EXPANSION VESSEL OR INTERNAL AIR SPACE BEEN CHECKED? YES
NO
WHAT IS THE HOT WATER TEMPERATURE AT THE NEAREST OUTLET?
C
bar
ALL PRODUCTS
YES
DOES THE HOT WATER SYSTEM COMPLY WITH
THE APPROPRIATE BUILDING REGULATIONS?
HAS THE SYSTEM BEEN INSTALLED AND COMMISSIONED
IN ACCORDANCE WITH THE MANUFACTURER’S INSTRUCTIONS?
HAVE YOU DEMONSTRATED THE OPERATION OF THE
SYSTEM CONTROLS TO THE CUSTOMER?
YES
YES
HAVE YOU LEFT ALL THE MANUFACTURER’S
LITERATURE WITH THE CUSTOMER?
YES
COMPETENT PERSON’S
SIGNATURE
CUSTOMER’S
SIGNATURE
(To confirm demonstrations of equipment and
receipt of appliance instructions)
PLEASE FOLLOW THE INSTALLATION AND COMMISSIONING INSTRUCTIONS
IN THE INSTALLATION MANUAL SUPPLIED WITH THE EQUIPMENT
