Maintenance Intervals - Wilo EMU FA+HC20.1 Series Installation And Operating Instructions Manual

Technical data:
Production
Status
stopped
Product name Thermofrost
Company BP
Monopropylene
Basis
glycol
Color None
Purity 80% - 94.99%
Density 1.056 g/ml
Boiling point 140 °C
pH value 7.9
Water 3% - 9.99%
Nitrite None
Amine -
Phosphate -
Silicate -
Water hazard
1
class
FDA approval -
HT1 approval -
Afssa approval -
Remarks -
Table 7-2: Technical Data – Glycol Overview
Overview of the maintenance intervals needed:
- Checking the insulation resistance
- Fill level check in cooling system - fill level must be between the minimum and the maximum
marks on the cooling jacket
- Fill level check in sealing chamber – lubricant must reach up to the lower edge of the filling
opening
- Monitoring the current consumption and voltage
- Checking the used relays for posistors, sealing room monitor, etc.
- Visual inspection of the power supply cable
- Visual inspection of the cable holder and the cable bracing
E:\shares\Baprod\BA\subtec_m\sewage\us\hc\maintenance.fm
Product used Possible alternatives
Zitrec Pekasol L
LEU Energie Prokühlsol
GmbH & Co. KG GmbH
Propane-1,2- Propane-1,2-
diol diol
None Light yellow
96% -
1.051 g/ml 1.050 g/cm
164 °C 185 °C
9.9 7.5 - 9.5
Max. 5%. -
None None
None None
None None
None None
1 1
Yes -
Yes -
Yes -
- -
Propylene glycol
Fauth & Co. KG
Propane-1,2-diol
None
98%
3
1.051 g/ml
188 °C
-
0,20%
None
None
None
None
1
-
-
-
For medical use
Maintenance
Glycol Overview

Maintenance intervals

Before initial start-up or after
a longer period of storage
Monthly
Every six months
7-3