TREND T_FS - Manual (Page 3)

3 T/FS Frost Protection Thermostat Data Sheet 91-2777 Issue 2 03/04/08
Data Sheet T/FS
CONNECTIONS
Note that the room temperature at the thermostat body should not fall below the setting point.
DISPOSAL
ORDER CODES
T/FS-M: Frost protection thermostat with manual reset
T/FS-A: Frost protection thermostat with automatic reset
ACC/FC: Set of 6 fixing clips
WEEE Directive :
At the end of their useful life the packaging and
product should be disposed of by a suitable
recycling centre.
Do not dispose of with normal household waste.
Do not burn.
IQ1 or IQ2
COM
C
NO
blue
red
white
(Examples of IQ connection to normally open contact)
IN
digital input
channel
T/FS
NC
T/FS switch shown in
‘warm’ state
blue
red
blue
red
IQ3
0(0V)
N(In)
N
+(24V)
digital input
channel
(1) Remove anti-tamper screw on top of face, and undo
screw on front of unit and remove front cover.
(2) Insert cable through cable gland and connect signal
wires to terminals as shown. The unit can be wired
normally open or normally closed.
(3) Adjust setting levels to required temperature set-point
using screw on top of unit. 5 °C to 7 °C (41 °F to 44.6 °F)
is recommended.
(4) Replace cover and fit tamper-proof top cover.
Note: Ensure cover is screwed shut and cable gland is properly
tightened to guarentee IP54 protection.