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18
Note: It is recommended, where possible, to flush the CH system without the boiler fitted, to avoid debris
and flux blocking the plate heat exchanger.
1
Check that the CH flow and return valves are in the open position.
2
Fill the system with water using one of the approved methods described in section 3.6 to about 2.0 bar. Vent the system via the
radiator valves and system air vents in accordance with normal practice. Ensure that all system air vents are closed.
3
Check the system for soundness.
4
Check the operation of the pressure relief valve (Fig. 32) by rotating the plastic head anticlockwise 1/4 of a turn and checking
that water is discharged. Ensure that the valve seats correctly and does not leak. If the valve leaks or is stuck closed, replace
it..
5
Drain the entire system to flush out any debris, and refill to 0.2 bar above the system design pressure (between 0.5 and 1.5
bar) by repeating the above procedure. Follow the commissioning procedure described below, then repeat this instruction with
the system hot. It is recommended that the system is cleaned with a recognised system cleaner such as Fernox or Sentinel.
6
Open the DHW inlet valve and open and close each hot water tap in turn to clear all the air from the pipes and the boiler.
7
Remove the pump end cap and rotate the rotor, replace the cap.
8
If filling loop is used, disconnect filling loop.
9
Prior to firing up the boiler to check the gas rates, the Central Heating and Boiler system should be checked for circulation by
running the boiler and pump with gas turned off, to ensure no air locks occur.
COMMISSIONING AND TESTING
5
5.1
FILLING THE WATER SYSTEMS
29
Before commissioning the appliance, the whole gas installation
including the meter MUST be purged and tested for gas soundness
in accordance with BS 6891:1988.
IMPORTANT: Open all doors and windows, extinguish
naked lights, and DO NOT SMOKE whilst purging the gas
line.
Before commencing the commissioning procedure, ensure that the
gas service cock is turned on, the electricity supply is isolated, and
that the DHW and CH pipe work is complete.
Fill the water systems by following the procedure detailed below
Fig 29, steps 1 to 9.
VALVE POSITIONS FOR COMMISSIONING THE
WATER SYSTEM
(rear view)
•
PRESSURE
RELIEF
•
CENTRAL
HEATING
FLOW
•
DOMESTIC
HOT WATER
OUT
•
GAS COCK
•
MAINS
COLD
WATER IN
CENTRAL
HEATING
RETURN
•
Содержание Ace High
Страница 8: ...8 EXPLODED DIAGRAM for key no references see spare parts catalogue Drawing amended 8 6 00 6 ...
Страница 25: ...INTERNAL WIRING DIAGRAMS 7 7 1 FUNCTIONAL FLOW WIRING DIAGRAM 23 ...
Страница 26: ...7 2 ILLUSTRATED WIRING DIAGRAM 24 ...
Страница 40: ...Ace Ace High Wickes Combi 82 102 05 04 ACE ACE HIGH WICKES COMBI 82 102 ...