8
Heater Unit
The heater unit can be mounted either to the unit or to the diffuser spigot, see Fig
7, where fitted to the unit there are locating pins that fix the heater to the unit
using a bayonet fitting and the locking screw. When fitted at the diffuser end, make
sure the direction of the heater is facing the correct way, arrow label on heater must
point towards diffuser. The power and sensor cables must be plugged in to the front of
the fan unit; see Fig 8.
C. WIRING
WARNING: THE POSITIVE VENTILATIION UNIT AND ANCILLARY
CONTROL EQUIPMENT MUST BE ISOLATED FROM THE POWER
SUPPLY DURING THE INSTALLATION / OR MAINTENANCE.
A MEANS FOR DISCONNECTION MUST BE INCORPORATED IN THE FIXED WIRING IN ACCORDANCE WITH
THE WIRING REGULATIONS.
Mains supply voltages (220-240V ac) are present in this equipment which may cause
death or serious injury by electric shock. Only a qualified electrician or installer
should connect the power supply to this unit.
The Air+ PIV is designed for operation from a single-phase alternating current source
(220-240V AC).
A 2m integral mains flying lead is connected to the unit for connection to a 3A
switched fused spur. It should be capable of disconnecting all poles, having a
contact separation of at least 3mm.
Fig. 7.
Fig. 8.
Unit Mounted
Apply worm drive clips provided
in positions shown
Apply worm drive clips provided
in positions shown
Apply suitable duct tape to seal
between heater and diffuser.
Diffuser Mounted
