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T9901008-1-1 UK (v9)
Page | 8
Fig 4
2
1
Fig 6
The installer must connect the 3-port valve in the heating pipework as shown in Figure 4 below:
22mm pipe
A
B
A/B
22mm pipe
22mm pipe
22mm pipe
R
E
T
U
R
N
F
L
O
W
8.1 How to access terminals
To gain access to the air curtain for connection and commissioning, remove air inlet grilles and bottom
access panel as explained below.
First remove the plastic end caps at each end of the unit, if fitted, by pulling off to the side.
8.1.1
Remove air inlet grilles
Using a Pozi No 1 screwdriver, remove each grill with its filter.
To remove, insert screwdriver into the elongated hole at the bottom
corner of the grille (see Fig 5) and turn the screw one quarter of a turn
anticlockwise.
8.1.2
Remove bottom access panel
Unfasten the securing screw at each end (see 1, Fig 6) and, if
applicable, two screws in the centre (PHV1500 and PHV2000 units
only).
To remove, slide the access panel (see 2, Fig 6) out forwards.
8.
ACCESS FOR ELECTRICAL CONNECTION
NOTE:
All air curtain panels are protected in a plastic film. When access panels are removed this
film can be removed.
wire valve to pcb inside air curtain
Fig 5