Hayward SUMHEAT HP5171DT3 Installation Instructions Manual page 61

3. INSTALLATION AND CONNECTION (continued)
= =
R S
Power supply
400V 3N
The electrical power supply must have, when appropriate, a fuse
protection device like a feed motor (aM) or D curve circuit breaker as
well as a differential circuit breaker 30 mA (see following table).
Models
Power supply
aM type fuse calibre
Curve D circuit breaker
Cable section
Models
Power supply
aM type fuse calibre
Curve D circuit breaker
Cable section
Use an RO 2V/R 2V or equivalent power cord.
The cables sections are given for a maximum length of 25 m. They
must however be checked and adjusted according to the installation
conditions.
Always shut down the main power supply before opening the electrical
control box.
= =
T N
/ 50Hz

HP5171DT3
V/Ph/Hz
230V

A 16
A 16
mm 3G2.5
2
HP5211ET3
V/Ph/Hz
400V 3N
A
A
mm
2
K2
=
1
Dry contact 7 A max
potential free.
Priority heating function
HP5211DT3
50Hz 230V 50Hz

20
20
3G4
HP5251ET3
50Hz 400V 3N

10
10
5G2.5
=
= =
2 3 4
Remote A1 On/Off contact
HP5251DT3
230V 50Hz

25
25
3G4
50Hz 400V 3N

12
12
5G2.5
HP5301DT3
230V 50Hz

25
25
3G4
HP5301ET3
50Hz

16
16
5G2.5
11