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English (US)

for a particular purpose, which extend beyond 
those warranties described or referred to above. 
Some jurisdictions do not allow the exclusion or 
limitation of incidental or consequential 
damages and some jurisdictions do not allow 
limitations on how long implied warranties may 
last. Therefore the above limitations or 
exclusions may not apply to you. This warranty 
gives you specific legal rights and you may also 
have other rights which vary from jurisdiction to 
jurisdiction.
Products which are repaired or replaced by 
Grundfos or authorized service center under the 
provisions of these limited warranty terms will 
continue to be covered by Grundfos warranty 
only through the remainder of the original 
warranty period set forth by the original 
purchase date.

2. General information

2.1 Hazard statements

The symbols and hazard statements below may 
appear in Grundfos installation and operating 
instructions, safety instructions and service 
instructions.

The hazard statements are structured in the 
following way:

2.2 Notes

The symbols and notes below may appear in 
Grundfos installation and operating instructions, 
safety instructions and service instructions.

3. Installation

DANGER

Indicates a hazardous situation which, 
if not avoided, will result in death or 
serious personal injury.

WARNING

Indicates a hazardous situation which, 
if not avoided, could result in death or 
serious personal injury.

CAUTION

Indicates a hazardous situation which, 
if not avoided, could result in minor or 
moderate personal injury.

SIGNAL WORD

Description of hazard

Consequence of ignoring the warning.
- Action to avoid the hazard.

Observe these instructions for 
explosion-proof products.

A blue or grey circle with a white 
graphical symbol indicates that an 
action must be taken.

A red or grey circle with a diagonal 
bar, possibly with a black graphical 
symbol, indicates that an action must 
not be taken or must be stopped.

If these instructions are not observed, 
it may result in malfunction or damage 
to the equipment.

Tips and advice that make the work 
easier.

WARNING

Pressurized system

Death or serious personal injury
- Before dismantling the pump, drain 

the system or close the isolating 
valve on either side of the pump 
before the screws are removed. 
The pumped liquid may be scalding 
hot and under high pressure.

DANGER

Electric shock

Death or serious personal injury
- Switch off the power supply before 

starting any work on the product. 
Make sure that the power supply 
cannot be accidentally switched on.

DANGER

Electric shock

Death or serious personal injury
- Do not use the pump in swimming 

pool or marine areas.

Summary of Contents for TM07 2122 2818

Page 1: ...GRUNDFOS INSTRUCTIONS ALPHA 26 99 Installation and operating instructions...

Page 2: ...service under this warranty the defective product must be returned to the distributor or dealer of Grundfos products from which it was purchased together with proof of purchase and installation date f...

Page 3: ...ates a hazardous situation which if not avoided will result in death or serious personal injury WARNING Indicates a hazardous situation which if not avoided could result in death or serious personal i...

Page 4: ...s Fig 1 Control box positions DANGER Electric shock Death or serious personal injury Switch off the power supply before starting any work on the product Make sure that the power supply cannot be accid...

Page 5: ...al of the relay is able to handle higher inrush currents We recommend to use special inrush relays with silver tin oxide AgSnO contacts Leakage current The pump mains filter causes a leakage current t...

Page 6: ...injury Switch off the power supply before starting any work on the product Make sure that the power supply cannot be accidentally switched on WARNING Electric shock Death or serious personal injury Th...

Page 7: ...must be connected to an external main switch with a minimum contact gap of 0 12 inches 3 mm in all poles Grounding or neutralization must be used for protection against indirect contact WARNING Electr...

Page 8: ...Technical data The pump is suitable for the following liquids Clean thin non aggressive and non explosive liquids without solid particles or fibers If the pump is installed in a heating system the wa...

Page 9: ...Voltage V 3 Frequency Hz 4 Approval mark UL 5 Input power P1 W at maximum and minimum performance 6 Rated current A at maximum and minimum performance 7 Speed 8 Enclosure class 9 Product number 10 Pr...

Page 10: ...0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 Q m h 0 0 0 5 1 0 0 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 5 6 0 6 5 7 0 Proportional pressure 3 Proportional pressure 2 Proportional pressure 1 Proportional pressure...

Page 11: ...10 VDC ALPHA1 26 99 circulators are externally speed controlled by an analog 0 10 V DC signal The pump requires a 0 10 V signal on the signal port to control the speed of the pump The pump will run at...

Page 12: ...d as cable break Rating Value Rated input voltage high level UIH 4 24 V Rated input voltage low level UIL 1 V High level input current IIH 10 mA PWM frequency output open collector f 75 Hz 5 Accuracy...

Page 13: ...as already been selected Start at the actual setting Press the button for two seconds The pump enters setting mode and the LED starts flashing Each time you press the button the setting changes LEDs 1...

Page 14: ...uit breaker d Power supply failure Check that the power supply falls within the specified range Normal power supply a The controller has switched off Check the controller and its settings b The pump i...

Page 15: ...r the pump surface Storage temperature Maximum 158 F 70 C Liquid temperature Maximum continuously 203 F 95 C Minimum 14 F 10 C Inrush current Measured on a flicker network according to IEC 61000 3 3 1...

Page 16: ...16...

Page 17: ...0 www grundfos us GRUNDFOS Canada 2941 Brighton Road Oakville Ontario L6H 6C9 Canada Phone 1 905 829 9533 Telefax 1 905 829 9512 www grundfos ca GRUNDFOS M xico Boulevard TLC No 15 Parque Industrial S...

Page 18: ...com Trademarks displayed in this material including but not limited to Grundfos the Grundfos logo and be think innovate are registered trademarks owned by The Grundfos Group All rights reserved 2020 G...

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