BLUE
N
L
1
BROWN
1
2
3
4
VOLT FREE CONTACT
CLOSED WHEN
DAMPER RELEASED
VOLT FREE CONTACT
CLOSED WHEN
DAMPER RESET
SUPPLY
230V A.C 50/60 Hz
A.C. 230V
50 / 60 Hz
12.5 V A
8 / 3 W
–30...+50
°
C
CONTINUOUS
A.C.
250V
6(3)A
M
6
Hot/Shield PTC™ Hot/Shield Vent PTC™
Damper
Drive Shroud
Snap
lock™
Retaining Pin
Transit
Plate
Ductwork
Hot/Shield,
Hot/Shield Vent
Damper
Control Mode 5/6
housed in thermally
insulated enclosure
Dimensional Data
Install the Hot/Shield PTC™ Damper
(complete with factory fitted damper
shroud and transit plate) into the
structure, connect and fit ductwork to
damper spigots. Remove transit plate
and discard. Slide the
snap
lock™
drive interface into the damper drive
shroud,
snap
lock™ into position.
(See page 2.)
(Care must be taken when back filling
to ensure that the snaplock™
retaining pin location hole and the
entry slot of the damper drive shroud
is clear of builders work debris).
The above dimensional data is for
guide/general arrangement purposes.
Please contact our Customer
Service Office for details when
incorporating thickened fire rated
ductwork.
411
421
161
27
191
Damper Installation and Control
Mode Fitting
Series 2501
Hot/Shield PTC Application and Wiring
–
+
1
2
1
2
3
4
VOLT FREE CONTACT
CLOSED WHEN
DAMPER RELEASED
VOLT FREE CONTACT
CLOSED WHEN
DAMPER RESET
A.C./D.C.24V
50 / 60 Hz
10 V A
7/2 W
–30...+50
°
C
CONTINUOUS
A.C.
250V
6(3)A
SUPPLY
24V A.C. or D.C.
M
Mode HM5
(24V System)
Power On – Damper motors open.
Power Off – Spring closure.
Cable specification:
Si HF Low Smoke and Fume,
Halogen Free, to IEC 754-1.
Conforming to 73/23/EEC directive.
Release Time
≈
16 secs.
Reset Time
≈
140 secs.
(Connect 24V via a safety isolating transformer.)
Mode HM6
(230V System)
Power On – Damper motors open.
Power Off – Spring closure.
Cable specification:
Si HF Low Smoke and Fume,
Halogen Free, to IEC 754-1.
Conforming to 73/23/EEC directive.
Release Time
≈
16 secs.
Reset Time
≈
140 secs.
(To isolate from main power supply, the system
must incorporate a device which disconnects the
phase conductors, with a least 3mm contact gap.)
Hot/Shield Vent PTC™ Dampers and
associated Control Modes are reverse
action with spring operation
