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ADDENDUM TO LIT91127 & LIT91146
REQUIRED MAINTENANCE PROCEDURES
These appliances MUST be installed by a properly licensed individual in the City and State which the
unit is being installed. All start up adjustments and subsequent service work must be done by a similarly
licensed contractor or a factory trained service individual. Failure to comply could result in loss of warranty
and or severe personal injury, death and or substantial property damage.
34000 Autry Street, Livonia, MI 48150 • 800.968.5530 • Fax 734.419.0209 • www.hamiltonengineering.com • LIT91178 REV 5/2017
EVO 129–599
INNOVATIVE CONDENSING TECHNOLOGY
By Hamilton Engineering, Inc.
EVO 299–599
EVO DUO
300,000 BTU/hr
300,000 BTU/hr
399,000 BTU/hr
399,999 BTU/hr
630,000 BTU/hr
630,000 BTU/hr
WARNING
INNOVATIVE CONDENSING TECHNOLOGY
By Hamilton Engineering, Inc.
EVO 129–199
EVO MICRO
136,000 BTU/hr
80,000
BTU/hr
180,000 BTU/hr
136,000 BTU/h
199,000 BTU/hr
180,000 BTU/h
199,000 BTU/h
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Summary of Contents for Hamilton Engineering EVO 299
- Page 1 ADDENDUM TO LIT91127 & LIT91146 EVO 129–599 REQUIRED MAINTENANCE PROCEDURES INNOVATIVE CONDENSING TECHNOLOGY By Hamilton Engineering, Inc. INNOVATIVE CONDENSING TECHNOLOGY By Hamilton Engineering, Inc. EVO 129–199 EVO MICRO EVO 299–599 EVO DUO 136,000 BTU/hr 80,000 BTU/hr 180,000 BTU/hr 300,000 BTU/hr...
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Page 2: Data Download
ANNUAL INSPECTION (See LIT91179 Maintenance Checklist for required tools and materials) INTRODUCTION All high efficiency condensing appliances will require more regular maintenance (cleaning) than their non-condensing counterparts. Failure to do so may result in damage to the appliance that is not covered under warranty. Failure to follow all of the instructions contained in this manual may also cause premature product failure that may not be covered under warranty. - Page 3 ANNUAL INSPECTION CONT. FLOW SWITCH: Check paddle for fouling and free movement by spring! • Dismantle the burner unit: remove the (6) 6mm nuts (with a 10mm socket), the ignition cable, the power and speed control plugs, and the ground wire from the fan, and remove the burner/fan unit from the heat exchanger and cabinet. Complete burner, door &...
- Page 4 ANNUAL INSPECTION CONT. • Check the fire side of the heat exchanger: only clean loose residue from the heat exchanger coil, use a vacuum cleaner and nylon brush, and do not push the residue between the openings of the coils if at all possible, as this may impede the flow of the products of combustion. • Use inspection mirror to check all heat pass spaces between coils, and using a short, thin putty knife or strip of stainless steel, remove all debris.
- Page 5 ANNUAL INSPECTION CONT. TESTING The following steps require the power supply be turned back on; extreme caution must be exercised when performing service with the power supply on and the door off. • When turning the appliance back on, listen for significant noises from the fan and pump. Also, inspect for leaks at the pump connections. Hamilton EVO Products •...
- Page 6 ANNUAL INSPECTION CONT. Try to keep the measuring hose flat with the inner wall of the pipe. Use a small opening to insure you are measuring static pressure and not velocity pressure P (1, 2, 3) A These will be negative pressures relative to atmosphere P (1, 2, 3) F These will be positive pressures relative to atmosphere Example P1A = -0.32”...
- Page 7 CONDENSATE TRAP CLEANING INSTRUCTIONS The condensate trap and entire drain system attached to it (above the neutralizer) should be cleaned at least once every year. 1) Turn off the power to the EVO. 2) Place a bucket under the condensate trap. Use caution when removing the clean-out cap, as the trap is full of condensate and it may be hot. 3) Remove the condensate clean-out cap, and be sure the bucket is under the open drain trap assembly to catch the debris and water.
- Page 8 INSTALLATION OF THE BURNER DOOR DURING SERVICING Proper precautions must be taken when installing the EVO burner door. Faulty installation or using a door in need of replacement risks leakage of combustion products, or further, a damaged heat exchanger that will not be covered under warranty.
- Page 9 INSTALLATION OF THE BURNER DOOR DURING SERVICING New Burner Door Damaged Burner Door Rope gasket in good condition Damaged rope gasket—will not seal properly Rope gasket raised above door surface (good!) Rope gasket at or below door surface (bad!) 34000 Autry Street, Livonia, MI 48150 • 800.968.5530 • Fax 734.419.0209 • www.hamiltonengineering.com • LIT91178 REV 5/2017 Page 9 of 9...