SECTION 2 -
ASSEMBLY and COMMISSIONING
2.1 ASSEMBLY
The unit is packed as a complete assembly, except flue and water tap faucet. To fit, slide flue over
upstand on hob rear and secure with fixings along lower front and rear edges. Slot basket hanger
over knurled nuts and hand-tighten.
Fit faucet to top of water tap and fully tighten.
2.2 APPLIANCES ON CASTORS
For units on castors, refer to guidelines in BS6173.
Warning: Appliances on Castors.
When the boiler is supplied with castors it should be connected to supply piping by means of a
connector for moveable appliances. I n a d d it i o n , a restraining chain should be connected between
appliance and wall. Ensure this restraint is re-connected when unit is returned to original position.
2.3 CONNECTION TO A GAS SUPPLY
Gas supply piping and unit connection must be installed in accordance with regulations listed on front
page of this document.
A gas isolating cock must be fitted to the supply in a position that is readily accessible to operator.
2.4 CONNECTION TO AN ELECTRICAL SUPPLY
Not applicable to these units.
2.5 CONNECTION TO A WATER SUPPLY
Connect water supply as detailed in Section 1.6.
Ensure drain valve is closed and fill pan with fresh water to maximum level mark.
2.6 PRE-COMMISSIONING CHECK
Prior to operation, ensure that all packing material has been removed from unit.
2.6.1 Setting The Gas Pressure
It is necessary to check gas pressure during commissioning. A suitable pressure gauge must be
connected to test point on supply manifold.
a) Ensure pan is filled with water.
b) Turn on main gas valve at supply.
c) Light burners as detailed in User Instructions. The supply pipes may contain air therefore it may
be necessary to repeat lighting procedure.
d) Adjust multifunctional control pressure governor to relevant setting as detailed in Section 1.9 of
this document. The screw should be turned clockwise to increase pressure and anti-clockwise to
reduce it. Check again after 15 minutes of operation.
e) Disconnect pressure gauge from test point. Replace sealing screw and test gas tightness.
f) Ensure thermostat satisfactorily operates around boiling point. It should be possible to establish
conditions of simmer
(pulsing heat)
and continuous boiling.
g) Check for water leaks at inlet, fill tap, drain valve and pan.
h) Position a water collector at drain outlet. Ensure drain valve closes effectively and opens with ease.
2.7 INSTRUCTION TO USER
After installing and commissioning the unit, hand User Instructions to operator or purchaser. Ensure
details to light, turn off, use and clean are properly understood. The locations of main gas and water
isolating valves should be made known to user and the procedure for operation in event of an
emergency should be demonstrated.
