Position 4
⇒
Valve
Fan bearings
Pump bearings
Motor bearings
Position 3
⇒
Pump seals
Temperature
transmitter
Flow transmitter
Pressure trans-
mitter
Position 2
⇒
Drive system
health check
Drive cooling fan
Filter
Fan belt
Position 1
⇒
Warranty
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
1
2
3
4
hex value
0
4
0
A
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
VLT
®
HVAC Drive Programming Guide
3 Parameter Description
MG.11.C6.22 - VLT
®
is a registered Danfoss trademark
3-161
3