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Summary of Contents for AquaMAX E80 Series
- Page 1 Aquamax Australia Pty Ltd ABN 17 138 189 689 AQUAMAX SERVICE MANUAL Stainless Steel Electric Water Heaters AQ0903010-A Revision: A Published: November 2012 E80 to E315 Series...
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Page 2: Table Of Contents
Contents Introduction .......................... 3 Safety Warning ........................3 Heater Model Identification ....................3 Specifications ........................4 Preventative Maintenance ....................4 Operation ..........................5 Single Element Models ....................5 Twin Element Non-Simultaneous Models ................ 5 Components and their Function ................... 6 Plumbing Diagrams ...................... -
Page 3: Introduction
The information provided in this manual is based on the water heater being installed in accordance with the Installation Instructions provided with each water heater. Should you require further technical advice on an Aquamax Electric Water Heater, contact your nearest Aquamax Service Department where all genuine replacement parts are also available. -
Page 4: Specifications
Specifications E125 E160 E250 E315 Specification Storage capacity (L) Rated HW delivery (L) Boost capacity (L) PTR valve rating (kPa) 1400 1400 1400 1000 1000 ECV rating (kPa) 1250 1250 1250 With ECV Max inlet pressure (kPa) W/out ECV 1120 1120 1120 Thermostat setting (°... -
Page 5: Operation
Operation Single Element Models Water temperature is maintained via a thermostat switching the active conductor to an electric immersion element positioned towards the bottom of the cylinder. When the water temperature within the cylinder falls sufficiently, the thermostat contacts close suppling power to the element. Once the water temperature reaches the set point of the thermostat, the contacts open cutting power to the element. -
Page 6: Components And Their Function
Components and their Function Temperature and Pressure Relief Valve A valve designed to provide automatic relief by discharging water in case of excessive temperature, pressure or both. Never fit a PTR Valve with a pressure rating greater than that indicated on the product-rating label. -
Page 7: Plumbing Diagrams
Plumbing Diagrams The following information and plumbing diagrams are provided as a guide only. For more information refer to the relevant Installation Instructions. Two Temperature Zone Plumbing Diagram Circulated Flow & Return Plumbing Diagrams For circulated hot water flow and return systems, a temperature limiting device can only be installed on a dead leg which branches off the circulated hot water flow and return pipe. -
Page 8: Fault Finding
Fault Finding Common Faults When a complaint is lodged about the performance of a hot water system there are a number of causes that should be checked and eliminated. In an attempt to pinpoint the most likely cause it is important to discuss with the customer their reasons for the complaint, the duration of the problem, any change in circumstances or usage and recent weather conditions. - Page 9 Hot water plumbing leaks If hot water has not been used for a period of time, feeling the temperature of the hot water line may give an indication of water flow if the pipe is warm. The method of checking for plumbing leaks is: 1.
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Page 10: Fault Finding Charts
Fault Finding Charts General Fault Finding Chart Chart Complaint Page No hot water Insufficient hot water / Water not hot enough Water too hot Leaking water heater Noisy water heater... -
Page 11: Fault Finding Chart 1 - No Hot Water
Fault Finding Chart 1 – No Hot Water Fault Finding Chart 1.1... - Page 12 Fault Finding Chart 1.2 Fault Finding Chart 1.3...
- Page 13 Fault Finding Chart 1.4...
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Page 14: Fault Finding Chart 2 - Insufficient Hot Water / Water Not Hot Enough
Fault Finding Chart 2 – Insufficient Hot Water / Water Not Hot Enough INSUFFICIENT HOT WATER / WATER NOT HOT ENOUGH Has the usage pattern Is the heater of sufficient Recommend a hot water usage changed recently? i.e. size for the customers pattern that will suit the water additional appliances or on going needs? -
Page 15: Fault Finding Chart 3 - Water Too Hot
Fault Finding Chart 3 – Water Too Hot... -
Page 16: Fault Finding Chart 4 - Leaking Water Heater
Fault Finding Chart 4 – Leaking Water Heater Fault Finding Chart 5 – Noisy Water Heater... -
Page 17: Fault Finding Tests
Fault Finding Tests Fault Finding Tests 1 – 3 Test 1 – Single Element Models Test 1 – Twin Element Models Using a multimeter set on the AC voltage Using a multimeter set on the AC voltage scale, measure between Active scale, measure between the off peak terminal ‘A’... - Page 18 Fault Finding Tests 4 – 7 Test 4 Test 5 Single element model shown ST thermostat shown Disconnect both element wires from the Using a multimeter on the resistance scale, thermostat and using a multimeter set on measure between the Active wire ‘A’ and the resistance scale, measure between the the Neutral wire ‘N’...
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Page 19: Electrical Insulation Testing
Fault Finding Test 8 Test 8 – ST Thermostat Using a multimeter set on the resistance scale, measure between the top thermostat terminals marked ‘1’ and ‘5’. Normal resistance is less than 1 ohm when the neutral contact to the bottom element is closed. -
Page 20: Component Adjustment Procedures
To check insulation resistance of the water heater Active Circuit (reading not to be below 1 mega-ohm). 6. Connect megger leads to the active of the water heater wiring and earth. Note: If model is a twin element model, mark, disconnect and twist ‘A1’ and ‘A2’ actives together to form one active connection for testing purposes. -
Page 21: Component Replacement Procedures
Component Replacement Procedures Draining the Water Heater (Procedure 1) Elevated temperatures may be present during the draining process. Personal Protective Equipment should be worn to prevent the risk of scalding. Personal Protective Equipment should be worn when conducting step 3 of this procedure to reduce the risk of electric shock. - Page 22 4. Slide thermostat vertically out of clamp. 5. Remove any scale or corrosion from the cylinder surface. 6. Slide replacement thermostat into place behind clamp and connect wiring to appropriate points (refer to “Wiring Diagrams” section on page Error! Bookmark not defined.).
- Page 23 NOTE: Do not cut off the element and leave a portion inside the cylinder. 4. Clean around cylinder fitting, fit a new gasket to the new element and slide the element into the cylinder (reverse to step 3) taking care that it is in the correct orientation. Refer to element flange for orientation directions.
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Page 24: Replacement Parts Diagram - Single Element Models
Replacement Parts Diagram – Single Element Models Replacement Parts List – Single Element Models Item Description Part Number Remarks PTR valve 1000 kPa x ½” AQ0262003 (250L – 315L) PTR valve 1400 kPa x ½” AQ0262006 (80L – 160L) Thermostat (bottom) AQ0203015 Adjustable 60 ~ 75°... -
Page 25: Replacement Parts Diagram - Twin Element Models
Replacement Parts Diagram – Twin Element Models Replacement Parts List – Twin Element Models Item Description Part Number Remarks PTR valve 1000 kPa x ½” AQ0262003 (250L – 315L) PTR valve 1400 kPa x ½” AQ0262006 (160L) Thermostat boost (top) AQ0203016 60°... -
Page 26: Document Revision History
Document Revision History Title: Aquamax Stainless Steel Electric Service Manual Document N AQ0903010-A Revision Details of change D.O.I. Service Manual issued 15/11/12 Revision Date: 15/11/2012 AQ0903010-A NOTE: Every care has been taken to ensure accuracy in preparation of this publication. No liability can be...
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