EngA Engineered Air XES-SC Series, Installation, Operation And Maintenance Manual

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...