Dexon Canada Air Systems Inc
OWMDH Series Use Manual
Version 07.2019
Page
24
8.5 OPTIONAL 95ALM ALARM MODULE
This Alarm Module is equipped with three form C Relays with contacts rated at 2A, 250V for
connecting to warning devices such as Automatic Dialing Equipment, Central Monitoring,
Audible and /or Visual Alarms etc. The alarm module is connected to the back of the status
board with a 6 pin connector and secured with two 6-
32 screws on a ½” sleeve. Please note
the Alarm Module can be installed at any time. Contacts are provided for the following
conditions:
Overheat =
O.H.
Low Temp. =
L.T.
Fan Stopped =
F.S. (N.A.)
Please Note: The “F.S.” relay is energized when the blower heater control power is on.
SIX PIN
CONNECTOR
NC
NO
NC
NO
46.0 MM
O.H.
L.T.
F.S.
RELAY
RELAY
RELAY
MOUNTING
HOLES
C
C
C
BACK VIEW NTS
NC
NO
SIX PIN
CONNECTOR
NC
NO
NC
NO
46.0 MM
O.H.
L.T.
F.S.
RELAY
RELAY
RELAY
MOUNTING
HOLES
C
C
C
BACK VIEW NTS
NC
NO
L
L
L
ALR
N
L
114.0 MM
114.0 MM
BACK VIEW NTS
114.0 MM
NC
SIX PIN
CONNECTOR
MOUNTING
HOLES
RELAY
NO
F.S.
RELAY
NC
C
NO
C
L.T.
RELAY
O.H.
NO
C
NC
46.0 MM
SHOWN IN DE-ENERGIZED STATE
NOTE: ALL RELAYS AND CONTACTS ARE
CONNECTIONS FOR A COMMON ALARM OUTPUT USING
NO
BACK VIEW NTS
114.0 MM
RELAY
F.S.
HOLES
MOUNTING
CONNECTOR
SIX PIN
NC
NO
C
L
SHOWN IN DE-ENERGIZED STATE
NOTE: ALL RELAYS AND CONTACTS ARE
CONNECTIONS FOR SEPARATE ALARM OUTPUTS USING
RELAY
RELAY
L.T.
O.H.
NORMALLY OPEN CONTACTS THAT CLOSE IN THE EVENT
46.0 MM
C
C
NC
L
NO
NC
L
OF A LOW TEMP., OVER HEAT, OR FAN STOPPED CONDITION
NORMALLY OPEN CONTACTS THAT CLOSE IN THE EVENT
OF A LOW TEMP., OVER HEAT, OR FAN STOPPED CONDITION
NOTE: ALL RELAYS AND CONTACTS ARE
OF A LOW TEMP., OVER HEAT, OR FAN STOPPED CONDITION
NORMALLY CLOSED CONTACTS THAT OPEN IN THE EVENT
CONNECTIONS FOR A COMMON ALARM OUTPUT USING
SHOWN IN DE-ENERGIZED STATE
NORMALLY CLOSED CONTACTS THAT OPEN IN THE EVENT
OF A LOW TEMP., OVER HEAT, OR FAN STOPPED CONDITION
NOTE: ALL RELAYS AND CONTACTS ARE
SHOWN IN DE-ENERGIZED STATE
CONNECTIONS FOR SEPARATE ALARM OUTPUTS USING
ALR
N
ALR
N
ALR
N
ALR
N
ALR
N
ALR
N
ALR
N
OPTION A
OPTION B
OPTION C
OPTION D
L
