Installation Altitude; Air Humidity; Motor Cooling; User Interfaces - Grundfos TPE 1000 Serie Instrucciones De Instalación Y Funcionamiento

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7.3 Installation altitude

The motor must not be installed more than 6562
Caution
ft (2000 m) above sea level.
Installation altitude is the height above sea level of the installation
site.
Motors installed up to 3281 ft (1000 m) above sea level can be
loaded 100 %.
Motors installed more than 3281 ft (1000 m) above sea level
must not be fully loaded due to the low density and
consequent low cooling effect of the air. See fig. 13.
P2
[%]
1
0.99
0.98
0.97
0.96
0.95
0.94
0.93
0.92
0.91
0.90
0.89
0.88
0
0
3281 3937 4593 5249 5906 6562 7218
Fig. 13 Derating of motor output power (P2) in relation to
altitude above sea level

7.4 Air humidity

Maximum air humidity: 95 %.
If the air humidity is constantly high and above 85 %, one of the
drain holes in the drive-end flange should be open. See section
5. Mechanical installation.

7.5 Motor cooling

To ensure cooling of motor and electronics, observe the following:
Position the motor in such a way that adequate cooling is
ensured. See section 5.3 Ensuring motor cooling.
The temperature of the cooling air must not exceed 122 °F
(50 °C).
Keep cooling fins and fan blades clean.
12

8. User interfaces

Warning
The product may be so hot that only the buttons
should be touched to avoid burns.
Pump settings can be made by means of the following user
interfaces:
Standard control panel.
See section 9. Standard control panel.
Grundfos GO Remote.
See section 10. Grundfos GO Remote.
If the power supply to the pump is switched off, the settings will
be stored.
Factory settings
The pumps have been factory-set to constant-curve control
mode. See section 9.1.2 Pump in constant-curve control mode.
The setpoint value corresponds to maximum pump performance.
See data booklet or WebCAPS.
[ft]

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