Revision 2.3
Page 13 of 14
Warning
Please Note
The specifications of the product detailed on this
Set-Up Guide may change without notice. RDM
Ltd. shall not be liable for errors or for incidental
or consequential damages, directly and indirectly,
in connection with the furnishing, performance or
misuse of this product or document.
Ensure that all power is
switched off before
installing or maintaining
this product
ML Multistage Thermostat Installation Guide
www.resourcedm.com
View I/O
Press “Enter” in the menu at “IO” to view the inputs and outputs.
Specification:
General:
Supply Voltage Range:
90 - 270 Vac 10%
Controller only
Supply Frequency
50 - 60 Hz 10%
Maximum Supply Current
55A
With relays 1 to 5 fully loaded
Typical Supply Current
<1A
With relays 1 to 5 off load
Supply Fuse
1Amp anti-surge 20 x 5mm
Operating temperature range
+5
o
C to 50
o
C
Storage temperature
-20
o
C to 65
o
C
Operating Humidity
80% maximum
Environmental
Indoor use at altitudes up to 2000m, Pollution
Degree 1
Installation Category II.
Voltage fluctuations not to exceed ±10% of
nominal voltage
Controller Size
79mm x 37mm x 73mm WxHxD
Panel Cut-out for Controller
72mm x 29mm
Relay Board Size
170mm x 130mm x 50mm LxWxH
Maximum Weight (combined)
1.25kg
Safety (Relay Board)
Class II LVD
This product is double insulated when
used with the original enclosure
Safety (Controller)
Class II LVD
Only use the cable provided to connect
the controller to the relay board.
EMC
EN61326; 1997 +Amdt. A1; 1998
Ventilation
No requirement for forced ventilation
Insulation
Class I for Relay board
Class II for controller
Number
I/O
Range (dependant on probe type)
Step
Units
I-01
Probe 1
-60 to +60 / -76 to 140
0.1
Deg
I-02
Probe 2
-60 to +60 / -76 to 140
0.1
Deg
I-03
Probe 3
-60 to +60 / -76 to 140
0.1
Deg
I-04
Probe 4
-60 to +60 / -76 to 140
0.1
Deg
I-05
Plant 1
0 = Unused, 1 = OK, 2 = Alarm
I-06
Plant 2
0 = Unused, 1 = OK, 2 = Alarm
I-11
Stat 1 Temp
-60 to +60 / -76 to 140
0.1
Deg
I-12
Stat 2 Temp
-60 to +60 / -76 to 140
0.1
Deg
I-13
Stat 3 Temp
-60 to +60 / -76 to 140
0.1
Deg
I-14
Stat 4 Temp
-60 to +60 / -76 to 140
0.1
Deg
O-01
Fans Relay
0 = Off, 1 = On
O-02
Stat 1 Relay
0 = Off, 1 = On
O-03
Stat 2 Relay
0 = Off, 1 = On
O-04
Stat 3 Relay
0 = Off, 1 = On
O-05
Stat 4 Relay
0 = Off, 1 = On
O-10
Run Time
0 to 128
Hours x 1000
O-11
Fan Control
0 = Off, 1 = On
