8
MKT-0262 MPC-1748 Rev 02/13
Advanced Pressure Monitor II Rough-In Installation
Wiring
Figure 1-6.
Rear View of the APM2 (Analog)
S
howing Wiring and Plum
b
ing Connections
The back of the APM2 has electrical connectors labeled with their function. The mating electrical connectors
(supplied) are color coded and labeled with the matching function.
1.5.1 Power, Labeled POWER, L1, L2, Ground Symbol
Starting with the 3 pin Power connector:
1. Connect the 24 Vac lines to L1 and L2.
2. Connect a ground wire, GND, from the ground lug to the GND on the connector.
3. Install Connector.
The APM2 operates at 18-32 Vac, 50/60 Hz and consumes 2.6 W nominal, 9.6 W max.
1.5.2 Analog Output, Labeled ANL OUT
If using the analog output and want Voltage output, connect to the terminals labeled VDC and COM.
If using the analog out and want a 4-20 mA signal, connect to terminals labeled mA and COM. Connect this
output to the BMS system or other monitoring device.
ANALO
G
(ANL) OUTPUT
COM
COM
mA
Current Output (4-20 mA)
Vdc
Voltage Output (0-5 Vdc, 0-10 Vdc)
INPUTS (w
i
red to door N.O.
c
ont
ac
t)
COM
COM
Door
DI
Digital Input
COM
COM
Analog Input2
IN2
Analog Input2 (0-5, 0-10Vdc)
+15
15
Vdc
COM
COM
Analog Input1
IN1
Analog Input1 (0-5, 0-10Vdc)
+15
15 Vdc
Earth Ground
L1
24
Vac
L2
24
Vac
HI
G
H
or
room
pressure tubing
connects here
LOW
or
referen
c
e
pressure tubing
connects here
POWER
RELAY
COM
COM
+15
+15 Vdc
NO
Normally Open
RC
Relay COM
NC
Normally Closed
COM
NOT AVAILABLE
B
(+)
A (-)
GND
REAR VIEW