EngA Engineered Air XES-SC Series Скачать руководство пользователя страница 29 | Manualshive

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EngA Engineered Air XES-SC Series Скачать руководство пользователя страница 29

A

XES SC MANUAL

IOM-58

29 of 30

June 14 R5

TROUBLESHOOTING

Warning:

This unit is connected to high voltages. Electrical shock or death could occur if
instructions are not followed. This equipment contains moving parts that can start
unexpectedly. Injury or death could occur if instructions are not followed. All work
should be performed by a qualified technician. Always disconnect and lock out power
before servicing. DO NOT bypass any interlock or safety switches under any
circumstances.

Symptom:

Not Enough Heat

POSSIBLE CAUSE

PROBLEM

REMEDIES

Mixing damper operator
not operating properly

Outside air dampers open at low
ambient temperatures.

Adjust mixed air to warmer setting.
Check dampers for proper
operation and adjust if necessary.
Replace damper operator.

Low gas pressure.

Burner is slow to light. Small flame.

Adjust or replace regulator.

Furnace short cycles on
limit switches.

Continual on/off operation of all
burners.

Tighten or replace blower belt.
Check I.D. fan and switch. Clean or
replace filters.

Symptom:

No Heat

POSSIBLE CAUSE

PROBLEM

REMEDIES

Blown control module
fuse.

Thermostat calling, ventor motor
running.

Check for cause of blown fuse, then
replace fuse or S825 Module.

Ventor motor air proving
switch not operating.

Ventor motor runs, but ignition
control board is not powered.

Repair or replace air proving
switch.

No gas supply to
manifold.

Electrode sparks, gas solenoid
opens, but no flame.

Check main gas supply.

Symptom:

Flame Roll Out - Flame in Manifold Compartment

POSSIBLE CAUSE

PROBLEM

REMEDIES

Blocked flue / chimney.

Flame roll out switch tripping.

Ensure vent / chimney is clear of
obstructions.

Lack of combustion air.

Flame roll out switch tripping.

Increase combustion air.

Leaking gas solenoid
valve.

Gas smell in manifold
compartment. Flame does not go
out immediately when power to
burner turned off.

Replace gas valve.

High gas pressure.

Flame billows out from inlet tube

Reset or replace regulator.

Blocked or damaged
intake screen.

Discoloration of metal inside
burner vestibule.

Repair or clean screen.

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Содержание Engineered Air XES-SC Series

Страница 1: ...FACTORY USA HEAD OFFICE AND FACTORY CANADIAN FACTORY 1401 HASTINGS CRES SE CALGARY ALBERTA T2G 4C8 Ph 403 287 4774 Fx 888 364 2727 32050 W 83 rd STREET DESOTO KANSAS 66018 Ph 913 583 3181 Fx 913 583 1...

Страница 2: ...rical Installation 18 Split Unit Wiring 19 Recommended 24v Field Wiring Size 20 Duct Mounted Te 6000 Ea3 Temperature Sensor 21 Before Start Up 21 Start Up Check List 21 Operation 23 Combustion And Fin...

Страница 3: ...to the national service manager SAFETY PRECAUTIONS Read understand and follow the complete manual before beginning the installation including all safety precautions and warnings WARNING FIRE OR EXPLOS...

Страница 4: ...enting a possible threat of flue gas spillage into the building Warning This unit is connected to high voltages Electrical shock or death could occur if instructions are not followed This equipment co...

Страница 5: ...arranties express or implied ENGINEERED AIR specifically disclaims any implied warranty of merchantability and or fitness for purpose Under no circumstances shall ENGINEERED AIR be liable to nor be re...

Страница 6: ...e may be internal damage Remove protective covers and check for internal damage Replace covers if the unit is not being assembled or installed at this time Open access doors and check for internal dam...

Страница 7: ...th the local authorities having jurisdiction 3 The installation of this unit shall be in accordance with the latest edition of the Canadian Natural Gas and Propane Installation Code C S A Standard B14...

Страница 8: ...cordance with all other National State and Local Codes and in accordance with the local authorities having jurisdiction MINIMUM CLEARANCE FOR SERVICE AND TO COMBUSTIBLES For Safety and Service the fol...

Страница 9: ...ly slide the heat section forward until the back and sides of the heat and fan section are flush This will lock the two pieces together at the back as the locking clip engages Do not damage foam tape...

Страница 10: ...e motor and upper limit control wires to the limit as shown on wiring diagram g Install the inner fan door h Connect the vent pipe between the heat section and the top collar of the fan section The ve...

Страница 11: ...ibes two options for separated combustion systems Side Wall Vent o EngA Supplied o By Others Vertical Vent COMBUSTION AIR DUCT Each separated combustion XES heater shall be equipped with its own combu...

Страница 12: ...enting Any run of single wall vent pipe passing through an unheated space should be insulated with insulation rated for at least 550 F 280 C to prevent condensing In cases where condensing is expected...

Страница 13: ...A XES SC MANUAL IOM 58 13 of 30 June 14 R5 Figure 2 Separated Approved Vents By Others...

Страница 14: ...A XES SC MANUAL IOM 58 14 of 30 June 14 R5 Side Wall Vent Engineered Air Engineered Air supplied through wall concentric vent terminations are recommended and approved for use with XES furnace models...

Страница 15: ...A XES SC MANUAL IOM 58 15 of 30 June 14 R5...

Страница 16: ...Where the Engineered Air supplied concentric flue termination cannot be used separate approved wall terminations may be supplied and used by the installing customer Installation of the fresh air inta...

Страница 17: ...An approved vent cap eg Breidert furnished by the customer must be installed at the termination point of the vertical vent system The vent in this arrangement is category 1 B Vent is acceptable Instal...

Страница 18: ...dividual shutoff valve must be disconnected from the gas supply piping system during any testing of that system at test pressures in excess of 0 5 psi 3 5 kPa The appliance must be isolated from the g...

Страница 19: ...ring connections has been completed Control wire this wire is typically broken near the split line to be reconnected at either a enclosed terminal block junction box or extended to a nearby control pa...

Страница 20: ...a particular control circuit the field wiring is connected to Refer to the internal wiring diagram of the unit 2 The table above is based on a maximum 10 voltage drop on a 24V control circuit Wire siz...

Страница 21: ...Safety Shutoff Valve Leak Test as described in this manual START UP CHECK LIST Warning This unit is connected to high voltages Electrical shock or death could occur if instructions are not followed Th...

Страница 22: ...2 and therefore is OK If voltage imbalance is greater than two percent 2 turn off main disconnect and contact the installing electrical contractor to have the voltage condition corrected 10 Purge all...

Страница 23: ...trols are properly located and correctly field wired Some equipment may contain programmable unitary controllers or programmable logic controllers PLC Additional information can be obtained from the s...

Страница 24: ...l controls Recheck setting of all limits and temperature controls UNIT SHUT DOWN INSTRUCTIONS Service Shut Down 1 Set the thermostat in the OFF position 2 Close the manual firing valve in the manifold...

Страница 25: ...mponents Wiring errors can cause improper and dangerous operation Verify proper operation after servicing Warning Any replacement part must be of equivalent listing or certification and be functionall...

Страница 26: ...the pulleys the V belt does not have to be extremely tight It should be as loose as possible without slipping in the pulley grooves Belt deflection 3 4 19mm for each foot 300mm of span between the pul...

Страница 27: ...equent changes may be required during the economizer season Units that operate with high levels of outside air should have filters removed or moved to winter filter location if available during the wi...

Страница 28: ...toff valve 4 Immerse the opposite end of the 6mm tube cut to a 45 angle vertically 13mm into a clear container of water 5 Count the number of bubbles appearing during a 10 second period 6 If the bubbl...

Страница 29: ...n of all burners Tighten or replace blower belt Check I D fan and switch Clean or replace filters Symptom No Heat POSSIBLE CAUSE PROBLEM REMEDIES Blown control module fuse Thermostat calling ventor mo...

Страница 30: ...Rotation correct Amperage measurement A Gas line supply pressure Off w c High fire w c Manifold gas pressure at high fire w c All field wiring is complete and installed as per the wiring diagram All c...

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