User Guide
|
Intelligent Purging System (IPS 8) for Ammonia - Technical data, installation and use
14 | BC306932151284en-000201
© Danfoss | DCS (ms) | 2020.01
Electrical wiring
The internal wiring of the purger is done at the
factory. Only the electrical wiring for the main
power supply, the purge point solenoids and
optional bus communication needs wiring on site.
Controller box cover can only be opened at key unlock and with the main switch off.
Note:
Authorized personel only
Fig. 15 Controller box external
Fig. 16 Controller box internal
It is highly recommended that all external cables
coming from the IPS 8 to the power supply and
to all purge point solenoids are protected by
metallic pipes.
Electrical
hazards.
Authorized
personnel only.
WARNING
ON/OFF Switch
STANDBY
RUN
ERROR
PURGING
Key Lock
CO
M
AI
1
AI
2
ANALOG INPIT 1-6
CO
M
AI
7
AI
8
AI
9
AI10
5V+
ANALOG INPUT 7-10
DI 2H
DI
2
CO
M
DIGITAL INPUT 2
CA
N
CAN RJ
MCX
DI 3H
DI
3
CO
M
DIGITAL INPUT 3
DI 4H
DI
4
CO
M
DIGITAL INPUT 4
AO
5
CO
M
ANALOG OUTPUT 5-6
DIGITAL OUTPUT 15
AI
3
5V+
12V+
5V+
AI
4
AI
5
L
N
POWER
DI 17
DI 18
CO
M
CO
M
DIGITAL INPUT 17-18
DI 13
DI 14
DI 16
CO
M
DIGITAL INPUT 13-16
DI 15
DI
9
DI 10
DI 12
CO
M
DIGITAL INPUT 9-12
DI 11
DI
5
DI
6
DI
8
CO
M
DIGITAL INPUT 5-8
DI
7
AO
6
CO
M
DI
1
D1
H
DIGITAL INPUT 1
DIGITAL OUTPUT 14
NO 14
CO
M
NC 14
NO 15
CO
M
NC 15
AI
6
CO
M
MCX15B Controller
Up to 8 purge valves
Optional 24V DC
power supply for (8)
purge solenoids
(not included)
MCX15B Controller
On/Off
Main Switch
Main Power
230V 50 Hz
L
Compressor relay
24V Converter
Compressor/condenser
fan On/Off
Purge valve
Earth
N
Solenoid valves
On/Off
