Brochure

4.1.3 Nameplate, ALPHA 15-55 HWR-D models
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TM074591
Example of nameplate, ALPHA 15-55 HWR-D models
Pos. Description
1 Product number
2 Voltage [V]
3
Rated current [A]:
• Min.: Minimum current [A]
• Max.: Maximum current [A]
4
Input power [W]
• Min.: Minimum power [W]
• Max.: Maximum power [W]
5 Maximum liquid temperature [°F]
6 FCC and IC ID
Type keys
4.2.1 Type key, ALPHA 2
Example: ALPHA2 15-55 - 165
Code
Explanation
ALPHA2 Pump type
15 Nominal diameter (DN) of inlet and outlet ports [mm]
55 Maximum head [dm]
-
- : Cast iron pump housing
S : Stainless steel pump housing
165 Port-to-port length [mm]
4.2.2 Type key, ALPHA 1
Example: ALPHA1 15-55 F
Code
Explanation
ALPHA1 Pump type
15 Nominal diameter (DN) of inlet and outlet ports [mm]
55 Maximum head [dm]
F
Pipe connection
F: Flange
4.2.3 Type key, ALPHA 26-99 models
Example: ALPHA2 26-99 F
Code Description
ALPHA Pump range (ECM circulator)
2
Pump control:
1: Externally controlled (0-10 V)
2: Internally pressure-controlled modes
- Proportional pressure
- Constant pressure
- Proportional pressure with AUTOAdapt
- Constant pressure with AUTOAdapt
26-99 Pump name:
Material:
- : Cast iron
S: Stainless steel
F
Connection:
F: Flange
U: Thread 1 1/2"
C Check valve (removable)
4.2.4 Type key, ALPHA 15-55 HWR-D models
Example: ALPHA 15-55 HWR-D
Code
Explanation
ALPHA Pump type
15 Nominal diameter (DN) of inlet and outlet ports [mm]
55 Maximum head [dm]
HWR-D Hot water recirculation on demand system
ALPHA
4
17
Identification