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TROUBLESHOOTING

SYMPTOM: NO HEAT INDICATOR LIGHT OFF

1)ELECTRIC SUPPLY IS OFF
Turn on the main circuit breaker.

2)NO OR LOW WATER FLOW
Ensure that the minimum flow rate to switch on your heater is met,
for this figure refer to the front cover of this manual.
Also check that the inlet filter screen is clear from any debris.

3)WATER CONNECTIONS ARE REVERSED
Cold water inlet = right side, hot water outlet = left side.

4)ELEMENT BURNED OUT
TURN OFF THE MAIN BREAKER!
Using an ohmmeter test the resistance of the heating element 
across the two threaded termination rods on top of the element.
See the front cover of this manual for the correct value.
If the resistance is much greater than the correct value, call
your supplier for a replacement element.

SYMPTOM: NO HEAT OR LOW TEMPERATURE WITH
INDICATOR LIGHT ON

1)WATER FLOW TOO HIGH
Reduce the water flow by using an outlet ball valve. See page 5
for temperature rise at various flow rates.

2)INCORRECT POWER SUPPLY
Make sure that the unit is connected to the voltage supply specified
on the rating label on the the front cover of the unit and no other.

3)ELEMENT BURNED OUT
TURN OFF THE MAIN BREAKER!
Repeat the steps from paragraph 4 above.

4)THERMOSTAT ADJUSTMENT SCREW NOT TURNED UP
Turn the thermostat adjustment screw clockwise in small
increments until the indicator light remains on. Take care not to
force the screw past it’s stop position.

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Summary of Contents for EX180 T3

Page 1: ...ION THE WARRANTY SHALL BE VOID IF THE DESIGN OR STRUCTURE OF THE WATER HEATER HAS BEEN ALTERED IN ANY WAY WHATSOEVER THE MANUFACTURER OF THIS WATER HEATER WILL NOT BE LIABLE FOR ANY DAMAGES BECAUSE OF FAILURE TO COMPLY WITH THE INSTALLATION AND OPERATING INSTRUCTIONS OUTLINED ON THE FOLLOWING PAGES IF YOU REQUIRE ANY HELP OR HAVE ANY QUESTIONS RELATING TO THE INSTALLATION OR PERFORMANCE OF THIS HE...

Page 2: ...low switches could jam in the on position The unit must be connected to its own individual electric circuit protected by a suitably rated three pole breaker The maximum voltage which can be applied across any heating module is 208 volts WARNING Improper installation adjustment alteration service or maintenance can cause DEATH SERIOUS BODILY INJURY OR PROPERTY DAMAGE Refer to this manual for assist...

Page 3: ...lacement of the elements 5 The heater should be fixed to the wall using screws in the four mounting holes at each corner of the backplate 6 The unit should be installed in the plumbing system in such a way that there is no tendency for the unit to be starved of water for example by an excessive draw off of cold water just before the unit Also do not fit an unrestricted hot water draw off point bel...

Page 4: ... type on both inlet and outlet pipes This allows unit to be isolated for maintenance purposes see Fig 1 4 When all plumbing is complete fully check the system for water leaks at all plumbing connections If leak is present take corrective action If leak is at compression fitting slowly tighten compression nut until it stops Fully open both inlet and outlet ball valves Run all hot water outlets fed ...

Page 5: ...sing four wires three live and one ground of the appropriate rating protected by the correctly rated three pole breaker DANGER FAILURE TO GROUND THE SYSTEM MAY RESULT IN DEATH OR SERIOUS INJURY IMPORTANT BEFORE SWITCHING ON THE POWER AT THE MAIN CIRCUIT BREAKER PANEL MAKE SURE THAT THE HOT WATER CIRCUIT IS FREE OF AIR POCKETS OR PREMATURE FAILURE OF THE ELEMENT WILL OCCUR TO DO THIS OPEN ALL HOT W...

Page 6: ...ay not be hot 5 Using the OUTLET BALL VALVE slowly reduce water flow until desired temperature is achieved at hot water outlet NOTE The water temperature is regulated by the flow through the heater The lower the flow the higher the temperature and vice versa MINIMUM SETTING MAXIMUM SETTING THE TEMPERATURE CONTROLLING POTENTIOMETER IS A PRECISION COMPONENT ADJUST GENTLY AND DO NOT TURN BEYOND THE M...

Page 7: ...OWING THROUGH THE UNIT For expected temperature rise at various rates of flow see chart 8 It is possible that drawing off cold water at comparatively high rates of flow elsewhere in the building at the same time that the heater is working could cause premature element failure Care should be taken not to starve the unit of cold water To prevent this from happening open fully the main valve on the c...

Page 8: ...al for the correct value If the resistance is much greater than the correct value call your supplier for a replacement element SYMPTOM NO HEAT OR LOW TEMPERATURE WITH INDICATOR LIGHT ON 1 WATER FLOW TOO HIGH Reduce the water flow by using an outlet ball valve See page 5 for temperature rise at various flow rates 2 INCORRECT POWER SUPPLY Make sure that the unit is connected to the voltage supply sp...

Page 9: ...nly suitable for 3 wire 3 phase connection with a maximum of 208 volts across each element REPLACEMENT PARTS DIAGRAM THERMOSTATIC PCB PART EX100D HEATER CORE ASSEMBLY PLEASE SPECIFY 208 VOLTS ON ANY ORDERS FOR EX180 T3 PART EX770 FOR EX240 T3 PART EX560 TRIAC PART EX18 TO MODULE 2 TO MODULE 1 9 Sold by www GadgetsGo com Authorized Dealer ...

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