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6.5 Materials
ALPHA2 and ALPHA1
Description Material
Controller complete Composite, PC
Rotor can Stainless steel
Radial bearing Ceramics
Shaft Ceramics
Rotor cladding Stainless steel
Thrust bearing Carbon
Thrust bearing retainer EPDM (ethylene propylene rubber)
Bearing plate Stainless steel
Impeller PES composite (30 % glass-filled)
Pump housing Cast iron or stainless steel
Gaskets EPDM (ethylene propylene rubber)
6.6 Approvals
Approvals for ALPHA1 15-55 and ALPHA2 15-55 models
TM073285
TM073284
FCC sections
Section 15.19 (a) 3
This device complies with Part 15 of the FCC Rules. The
operation is subject to the following two conditions: (1) this
device may not cause harmful interference, and (2) this
device must accept any interference received, including
interference that may cause undesired operation.
Section 15.21
Any changes or modifications to this equipment not
expressly approved by the party responsible for compliance
could void the user's authority to operate this equipment.
Section 15.105 (b)
This equipment has been tested and found to comply with
the limits for a class B digital device, pursuant to Part 15 of
the FCC Rules.
These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio
communications. However, there is no guarantee that
interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or
television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following
measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the
receiver.
• Connect the equipment to an outlet on a circuit different
from that to which the receiver is connected.
• Consult the dealer or an experienced radio/ TV
technician for help.
Canadian EMC Standard: ICES-003
This class B digital apparatus complies with Canadian
ICES-003.
Approvals for ALPHA1 26-99 and ALPHA2 26-99 models
WATER QUALITY
Drinking water system component
NSF/ANSI 61
MH26400
NSF/ANSI 372
Water circulation pump
99K4
TM070539
Grundfos cULus listed pumps are tested and evaluated with
water only.
ALPHA1 26-99/ALPHA2 26-99 pumps for the North
American market are UL approved (E96215 vol. 1 and
MH26400). Approval codes:
Model Code Voltage Power
Control
mode
ALPHA1
26-99
GFJOD 115 V 120 W VDC
ALPHA2
26-99
GFJOF 115 V 120 W AUTO
Approvals, ALPHA 15-55 HWR-D models and
accessories
TM073285
TM073284
FCC sections
Section 15.19 (a) 3
This device complies with Part 15 of the FCC Rules. The
operation is subject to the following two conditions: (1) this
device may not cause harmful interference, and (2) this
device must accept any interference received, including
interference that may cause undesired operation.
Section 15.21
Any changes or modifications to this equipment not
expressly approved by the party responsible for compliance
could void the user's authority to operate this equipment.
Section 15.105 (b)
This equipment has been tested and found to comply with
the limits for a class B digital device, pursuant to Part 15 of
the FCC Rules.
ALPHA
6
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Technical data