Fetco HWB-5 User Manual page 5

3. A terminal block is provided for connecting the incoming power wires. Consult local codes to determine if a cord
and plug can be installed, or if the unit must be hard wired.
4. A fused disconnect switch or circuit breaker on the incoming power line must be conveniently located near the
unit, and its location and markings known to the operators.
5. The body of the unit must be grounded to a suitable building ground. A ground
lug is provided next to the power terminal block. Use only 10 gauge copper
wire for grounding.
6. Electrical connections must be secured in-place within the unit to meet
national and local standards.
7. Connect the incoming power wires to the terminal block in accordance with
applicable codes.
HWB HWB- - - - 5 TERMINAL BLOCK HWB HWB 5 TERMINAL BLOCK 5 TERMINAL BLOCK 5 TERMINAL BLOCK
GROUND LUG GROUND LUG GROUND LUG GROUND LUG
GROUND GROUND GROUND GROUND
WIRE WIRE WIRE WIRE
Final Setup
1. Turn on the incoming water supply line and inspect both inside and outside of the unit for leaks in all fittings and
tubes.
2. Turn on the incoming power line and the power switch
3. Within 6 seconds, the water tank will begin filling until the probe at the top of the tank senses the water. The fill
valve will pulse off and on while the tank is filling. The heaters will be disabled until the water probe at the top of
the tank senses water.
4. Review the programming instructions and make any necessary adjustments.
5. Re-attach the cover after one final inspection for leaks.
Operator Training
Review the operating procedures with everyone who will be using the unit. Pay particular attention to the following
areas:
1. Demonstrate the hot water faucet.
2. Demonstrate the shut off valve behind the faucet, and review the safety
warning at right.
3. Show the location and operation of the water shut off valve and the circuit
breaker for the unit.
All manuals and user guides at all-guides.com
L1 L1 L1 L1 L2 L2 L2 L2
220- - - - 240V 220 240V
220 220 240V 240V
HWB HWB- - - - 10 TERMINAL BLOCK HWB HWB 10 TERMINAL BLOCK 10 TERMINAL BLOCK 10 TERMINAL BLOCK
GROUND LUG GROUND LUG
GROUND LUG GROUND LUG
GROUND GROUND GROUND GROUND
WIRE WIRE WIRE WIRE
Warning: Do not disassemble the
5
Warning: To prevent
electrical shock,
this unit must be
properly grounded.
L1 L2 L1 L2 L3 L3
L1 L1 L2 L2 L3 L3
220 220- - - - 240V 240V 220-240V
220 220 240V 240V
220- - - - 240V 220 220 220 240V 240V 240V
faucet without first closing
the shut-off valve behind
the faucet.
Extremely hot water.
May cause serious burns.