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VLT
®
HVAC Drive Programming Guide
Position 4⇒
Valve
Position 3 ⇒
Pump seals
Position 2 ⇒
Drive system
health check
Position 1⇒
0
-
hex
1
-
hex
2
-
hex
3
-
hex
4
-
hex
5
-
hex
6
-
hex
7
-
hex
8
+
hex
9
+
hex
A
+
hex
B
+
hex
C
+
hex
D
+
hex
E
+
hex
F
+
hex
Example:
The Preventive Maintenance Word shows 040Ahex.
Position
hex value
The first digit 0 indicates that no items from the fourth row requires maintenance
The second digit 4 refers to the third row indicating that the drive cooling fan requires maintenance
The third digit 0 indicates that no items from the second row requires maintenance
The fourth digit A refers to the top row indicating that the valve and the pump bearings require
maintenance
MG.11.C6.22 - VLT
®
is a registered Danfoss trademark
Fan bearings
Pump bearings
Temperature
Flow transmitter
transmitter
Drive cooling fan
Filter
-
-
-
-
-
+
-
+
+
-
+
-
+
+
+
+
-
-
-
-
-
+
-
+
+
-
+
-
+
+
+
+
1
2
3
0
4
0
3 Parameter Description
Motor bearings
Pressure trans-
mitter
Fan belt
Warranty
-
+
3
-
+
-
+
-
+
-
+
-
+
-
+
-
+
4
A
3-161
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