USER GUIDE
KRM-X-1 & KRM-X-2
4 (9)
Produal Oy
Keltakalliontie 18, 48770 Kotka FINLAND
Tel: +358 10 219 9100 / Fax: +358 5 230 9210
Information is subject to change without prior notice.
6. When installing sensor outdoors or in cold environment, use WDG type housing. Housing prevents
the warm air in the smoke detector duct from condensing. The interior of the housing is insulated
with foam rubber.
7. Attach the housing bottom part (G) with the electronics and sensor to the adapter plate (A).
The housing (G+F) can be attached at increments of 90°. The direction of the housing has no effect
on the measurement result. You can align the housing with the sensor optimally.
The cover screw tightening torque is 1.2 Nm.
F
G
A
8. Wire the unit according to the applicable wiring diagram.
Power supply
230 Vac
Test/Reset
(NC contact)
9
10
11
12
13
14
15
green
16
17
yellow
blue
Smoke alarm
Smoke alarm
Service signal
Contamination
red
Test/Reset
3
4
Power supply
230 Vac
1
2
Power supply
24 Vac/dc
Test/Reset
(NC contact)
9
10
11
12
13
14
15
green
16
17
yellow
blue
Smoke alarm
Smoke alarm
Service signal
Contamination
red
Test/Reset
3
4
Power supply
24 Vac/dc
1
2
5
6
7
8
Bus B
Bus B
Bus A
Bus A
RS485
(for information)
MOD / BAC models
KRM-X-1
KRM-X-2, KRM-X-2-MOD, KRM-X-2-BAC
•
The cable jacket for field wire connecting must be done as near as possible to the terminal
block. For wires longer than 10 mm, the wire must be fixed by a cable clip near the terminal
block or insulated in pairs with a suitably protective tube.
•
Test/reset (terminal 9 +10): if bridge circuit is removed, a floating NC contact must be
connected.
•
The floating switching contacts (terminals 11 – 17) should be assigned as uniformly as possible
to an installation category according to EN 60730-1. These switching contacts are only to be
used for 230 Vac or 24 Vac/dc. Combinations are not permitted unless at least one contact
