17
ORIGINAL INSTRUCTIONS
VES Andover Ltd Eagle Close Chandlers Ford Ind. Est Eastleigh Hampshire SO53 4NF
Tel: 08448 156060 Fax: 02380 261204 E-mail: [email protected] Web: www.ves.co.uk
Installation, Operation and Maintenance Manual
®
EVC
Heat Recovery Unit
To replace the fan assembly, ensuring the pitot tapping on the fan inlet ring is accessible,
locate the mounting plate over the fixings retained in the unit bulkhead.
2
3
Secure the
loose fixings through the mounting plate and tighten all the mounting fixings.
1
Attach the
measuring tube to the pitot tapping on the inlet ring ensuring that it is clear of all moving
parts.
Reconnect the supply plugs as in Fig.
24
; if more than one plug is used, ensure the
correct plugs are reconnected as marked.
E
nsure that the fans are free running by following the fan alignment instructions on page 13,
adjust as required.
EVC size Zero units feature a double inlet centrifugal fan mounted on an adapter plate.
To remove, unplug as per Fig. undo the two screws and carefully remove the fan/adapter
plate assembly, retaining all fixings.
To replace the fan assembly, secure one fixing leaving enough of a gap to allow the adapter
plate to slide into place. Fit the remaining fixing and tighten both. Ensure the impellor is free
running.
Reconnect the supply plugs as in Fig. ; if more than one plug is used, ensure the
correct plugs are reconnected as marked.
There is no pitot on this fan assembly.
Maintainance
6
Continued
Fan assembly removal/
installation (zero)
Fig.
27
24
27
