GRE PLASTIC AR20753 Manuel D'installation Et D'entretien page 3

Please read the instructions carefully before assembling or using the
equipment.
INTRODUCTION
These electric heaters have been designed to work with the swimming poo1 or spa water, Do not
switch on if you are not sure there is water inside. Minimum flow necessary: 4000 Its/h.
Maximum working pressure = 6×10
7
2
FLOW SWITCH
Security switch, must be in on position before starting on the equipment. It starts working when water flows through the
heating pipe.
Factory adjusted. Do not tamper with the unit. This could lead to severe malfunctions.
MECHANICAL SEAL
Prepared for the necessary power cord for each heater.
MANUAL SWITCH
When amber light is "on" it means the heater has been turned off due to a temperature higher than 60ºC. Heater must
then be restarted manually.
Check the possible cause of malfunction before restarting the heater. See the problems and solutions tables included.
Heater should not be restarted without checking problems. Even if it might restart properly the security system could be
affected.
To restart, unscrew the cap and press the button firmly.
Heater will only restart when temperature is bellow 35ºC, otherwise the system can not be restarted.
RED LIGHT
This light shows that the heater is on and working. It is commanded from the thermostat.
AMBER LIGHT (ALARM)
This light shows that the first security system (thermostat) has failed. The second system security switch witch the
heater off at 60ºC.
Check and solve the problem before restarting the heater.
GREEN LIGHT
It shows that the electrical power is operating the system.
Do not open or manipulate the heater when this light is on.
THERMOSTAT
Manually adjustable. Turn the dial to the desired temperature. Temperature working margin +0 -2ºC.
5
Pa. Minimum water pressure = 0 Pa.
3 4 5 6
1 Flow switch
2 Heat element pipe
8
3 Thermostat
4 Amber light
5 Green light
9
6 Red light
1
7 Manual switch
8 Mechanical seal 1: L1, L2, L3, N
9 Mechanical seal 2:
3
ENGLISH
(ground line)