TPA ACR-7 Operating Instructions

ACR-7 Automatic Changeover Regulator
Operating Instructions to be retained by the user
Please read these instructions carefully before use
Operating Instructions
The ACR-7 must be fitted and installed by a Gas Safe registered engineer;they have been
checked to make sure they are competent and qualified to work safely and legally with gas.
To find a Gas Safe engineer in your area you can use the Gas Safe registered business service
online or call 0800 408 5500
When your gas installer has finished the installation, the two cylinders should be connected to the
changeover device and the system soundness tested . The installer must inform the user on the
operation of the device and the system . Your changeover device is now ready for use.
The ACR-7 complies with the requirements of EN13786: 2004 and is a two stage automatic
changeover device designed to supply propane at a pressure of 37 mbar.
The following points should be noted when your
automatic changeover device is in use:
The window on the device shows if the SUPPLY gas
cyli':"lder is empty by showing RED in the indicator
window or FULL by showing A Clear Window in the
indictor window. (See drawing ).
If the cylinder that the black changeover lever is
pointing to is red the cylinder is empty and the
devierwm automatically changeover to the full I
reserve cylinder. The changeover lever shoulq then
be switched over to the other cylinder (Full cylinder)
and the indicator window should show A Clear
Window indicating that you have a full cylinder in this
position.
SAFETY.
The device has no user re-settable devices and any attempt to adjust or tamper with the device
will invalidate the guarantee.
Only the correct size spanner should be used to undo and tighten the connection to the cylinder.
The pigtail hoses must be replaced if damaged or worn (or after 5 years from the date of
manufacture as indicated on the hose).
The rubber washer between the inlet of the device and the pigtail must be replaced if damaged or
worn.
A leakage check on the pigtail ends must be carried out every time the cylinders are changed.
This should be carried out with a soapy water solution, brushing the solution onto the joints. If a.
leak is evident it will how as bubbles around the leakage area. NEVER CHECK FOR LEAKS
WITH A NAKED FLAME . IF A LEAK IS FOUND RE-TIGHTEN THE JIONT OR CONSULT YOUR
GAS SUPPLIER.
The pigt-ails should never be twisted or kinked when connected to the cylinders.
Always protect your automatic changeover device from the ingress of rain or snow. If rain enters
the device and freezes this could cause the device to malfunction.
Always change cylinders in a flame free environment, never in the presence of
n~ked
flames,
whilst smoking or near electrical switches or appliances.