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M820 pH/Dual ORP Controller Owner’s Manual
B. IMPORTANT SAFETY INSTRUCTIONS
1. READ AND FOLLOW ALL
INSTRUCTIONS
.
2. Risk of electric shock: Connect the controller to a dedicated ground-
fault circuit interrupter (GFCI) circuit breaker.
a. A green colored terminal or a terminal marked G, GR, Ground,
Grounding, or the
symbol* is located inside the supply
terminal box or compartment. To reduce the risk of electrical
shock, this terminal must be connected to the grounding means
provided in the electrical supply service panel with a connuous
copper wire equivalent in size to the circuit conductors
supplying this equipment.
*IEC Publicaon 417, Symbol 5019.
3. Disconnect power before servicing the controller.
4. Inspect all power cords frequently. Any damaged cords should be
replaced immediately to reduce the risk of injury by shock.
5. Always maintain a record of manual water chemistry readings using
an accurate test kit. Automated controllers are not a substute for
this Health Department requirement.
6.
WARNING – To reduce the risk of injury, do not permit
children to use this product unless they are closely supervised at all
mes.
7. Danger – Risk of injury.
a. Replace damaged cord immediately.
b. Do not bury cord.
c. Connect to a grounded, grounding type receptacle only.
8.
WARNING – Risk of electric shock. Install at least 5 feet
(1.5m) from inside wall of water enclosure using non-metallic
plumbing.
9. Operaon of this controller without a funconing ow-switch will
void the NSF Cercaon.
10.
WARNING – Do not install this controller where it is
accessible to the public.
11.
SAVE THESE INSTRUCTIONS.
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