APPLICATION EXAMPLES
HOST POWER SUPPLY
12 - 27.3VDC
@ 56 - 79mA
TRIP POWER SUPPLY
5 - 27.3VDC
@ 2.0 - 17mA
Trip+
T
rip- Host+ Host -
NC COM NO NC COM NO
YA
L
E
R
02
3-
R
M
LOAD POWER SOURCE
120VAC
LOAD
10A
LOAD
7A
LOAD POWER SOURCE
24VDC/VAC
MR-320 Dual Contact Voltage Example
NOTE: MR-310 WOULD PROVIDE 1 SET OF FORM
“C” CONTACTS FOR A SINGLE LOAD
WHEN MR-320 RELAY COIL
ENERGIZES, “NO” CONTACTS
ARE SWITCHED TO CLOSED
POSITION, SUPPLYING POWER
TO TURN ON LOADS
TTL
BUILDING AUTOMATION
COMPUTER DRIVER
5VDC @ 2.5mA
Trip+
T
rip- Host+ Host -
YA
L
E
R
01
3-
R
M
IDC
STYLE “B”
CLASS “B”
1
2
24VDC
@42mA
MR-310 Typical TTL Driver Board to Fire Alarm System Example
NC COM NO
WITH MR-310 RELAY COIL
ENERGIZED, MR-310 “NO”
CONTACTS ARE CLOSED
THUS ALARMING THE FACP
NOTE:FOR THIS APPLICATION
J1 IS INSTALLED (“IN”)
J2 IS INSTALLED (“IN”)
J3 IS REMOVED (“OUT”)
(Simultaneously switches 120VAC and 24VDC/VAC)
BOTH TRIP AND HOST INPUT
VOLTAGES IN PROPER POLARITY
ARE NEEDED TO ENERGIZE RELAY
UL
LISTED
FACP
+
-
+
-
N
AC
+/AC
-/N
-/N
+/AC
N
AC
+
-
+
-
+
-
EOL
RESISTOR
EOL
RELAY
BOTH TRIP AND HOST INPUT
VOLTAGES IN PROPER POLARITY
ARE NEEDED TO ENERGIZE RELAY
MR-310 and MR-320 SERIES JUMPER CONFIGURATIONS
© Air Products and Controls Inc. 2013 25 Corporate Drive Auburn Hills, MI 48326 Ph. (248) 332-3900 Fax (248) 332-8807 www.ap-c.com
FOR ADDITIONAL APPLICATION INFORMATION AND/OR ASSISTANCE,
PLEASE CONTACT OUR TECHNICAL SUPPORT HOTLINE. (888) 332-2241
(SUPERVISED BY FACP)
CAUTION: DE-ENERGIZE ALL POWER BEFORE INSTALLATION OR SERVICE
!
CAUTION: DE-ENERGIZE POWER PRIOR TO REMOVING OR INSTALLING JUMPERS
EOL RELAY “NO” CONTACT IS HELD
CLOSED IN STANDBY ALLOWING
FOR SUPERVISION BY FACP
MR-320 WOULD PROVIDE 2 SETS OF FORM
“C” CONTACTS TO SIMULTANEOUSLY
ALARM THE FACP AND SWITCH A LOAD
NOTE:
(
(
NOTE: INSTALLATION LIMITS UNDER JURISDICTION OF LOCAL AUTHORITY (NFPA STANDARDS 70, 72)
CSFM LISTED
RECOGNIZED COMPONENT
MEA ACCEPTED
INST APD0217 D140410
Issue 1
MR-310 (SPDT) MR-320 (DPDT)
"A"
(LO trip - HI host)
In
In
Out
Any
Maximum
5 - 18.4VDC
3.2 - 17mA 18.5 - 27.3VDC
"B"
(LO trip - HI host)
Out
In
Out
Resistive
Moderate
5 - 18.4VDC
2.5 - 13mA 18.5 - 27.3VDC
"C"
(HI trip - LO host)
In
Out
In
Any
Maximum
18.5 - 27.3VDC 2.1 - 3.3mA 12 - 18.4VDC
"D"
(HI trip - LO host
Out
Out
In
Resistive
Moderate
18.5 - 27.3VDC 2.0 - 3.2mA 12 - 18.4VDC
"E"
(LO trip - LO host)
In
In
In
Any
Maximum
5 - 18.4VDC
3.2 - 17mA 12 - 18.4VDC
"F"
(LO trip - LO host)
Out
In
In
Resistive
Moderate
5 - 18.4VDC
2.5 - 13mA 12 - 18.4VDC
"G"
(HI trip - HI host)
In
Out
Out
Any
Maximum
18.5 - 27.3VDC 2.1 - 3.3mA 18.5 - 27.3VDC
"H"
As Shipped
(HI trip - HI host)
Out
Out
Out
Resistive
Moderate
18.5 - 27.3VDC 2.0 - 3.2mA 18.5 - 27.3VDC
36 - 40mA
69 - 73mA
38 - 46mA
56 - 79mA
36 - 40mA
69 - 73mA
Current
Voltage
Current
38 - 46mA
56 - 79mA
Voltage
J1 (Load)
Modes
(Application)
Host Input
Application Configuration
Load Type
Inductive Load
Breaking Power
J3 (Host)
J2 (Trip)
Trip Input
ATTENTION: TENSION TOUS PUISSANCE AVANT L'INSTALLATION OU SERVICE
ATTENTION: DE-ENERGIZE ALIMENTATION AVANT DE RETIRER OU D'INSTALLER CAVALIERS
LIMITES D'INSTALLATION SOUS RESPONSABILITÉ DES COLLECTIVITES LOCALES (normes de la NFPA 70, 72): REMARQUE
