Tehnical Specifications; Standards And Protections; Pump Medium; Temperatures And Ambient Humidity - Delta NMT LAN Series Installation And Operating Manual

3 Tehnical specifications
3.1

Standards and protections

Pumps are made in according to the following standards and protections:
Protection class:
IP44
Insulation class:
180 (H)
Motor protection:
Thermal - built in
Nominal pressure:
NMT 40, 50, 65 PN6 and 10,
NMT 80,100 PN6 or PN10,
3.2

Pump medium

Pump medium can be pure water or a mixture of pure water and glycol, which
is appropriate for central heating system. Water must meet water quality
standard VDI 2035. The medium must be free from aggressive or explosive
additives, free from mixtures of mineral oils and solid or fibrous particles. The
pump should not be used for pumping flammable, explosive media and in an
explosive atmosphere.
3.3

Temperatures and Ambient humidity

Ambient humidity: <95 % relative, non-condensing.
Permitted ambient and media temperature:
Ambient temperature [°C]
up to 25
• Operation outside recommended conditions may shorten
pump lifetime and void the warranty.
30
35
40
-22-
Media temperature [°C]
min.
-10
-10
-10
-10
max.
110
100
90
80