Engineered air DG SERIES Installation, Operation And Maintenance Manual Download Page 32 | Manualshive

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DJ & DG MANUAL

32 of 34

May 12 R2

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Summary of Contents for DG SERIES

Page 1: ...RY USA HEAD OFFICE AND FACTORY CANADIAN EASTERN 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 58...

Page 2: ...NECTIONS 15 DRAIN TRAPS 16 FLUSHING AND DEGREASING OF WATER AND GLYCOL COILS 16 HEAT TRANSFER FLUIDS 17 BEFORE START UP 17 START UP CHECK LIST 17 OPERATION 19 SAFETY SHUTOFF VALVE LEAK TEST 20 GAS MAN...

Page 3: ...onal service manager SAFETY PRECAUTIONS Read understand and follow the complete manual before beginning the installation including all safety precautions and warnings mhgWARNING FIRE OR EXPLOSION HAZA...

Page 4: ...ations with respect to this warranty The refrigerant charge is not included in any part of this warranty This warranty does not apply to any products or parts thereof that have been subject to acciden...

Page 5: ...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 damage Clos...

Page 6: ...ectrically grounded in accordance with the latest edition of the Canadian Electrical Code Part 1 C S A Standard C22 1 Provincial and Local Codes and in accordance with the local authorities having jur...

Page 7: ...ional Standard Plumbing Code NSPC State and Local Codes and in accordance with the local authorities having jurisdiction 7 The installation of this unit shall be in accordance with all other National...

Page 8: ...or other mounting the base of the unit must be supported continuously by a mounting support system that is directly below the unit structural base frame and runs the entire length and width of the uni...

Page 9: ...can result from improper support or improper loading of the curb Additional temporary support shall be provided by the installer for the safety of personnel If the unit is split and shipped in sectio...

Page 10: ...placed and sealed after piping and electrical connections are made THE FLOOR OF THE UNIT HAS BEEN MADE WATER RESISTANT DO NOT CUT OR DRILL HOLES IN THE FLOOR OR USE PENETRATING FASTENERS All penetrati...

Page 11: ...plate 3 The unit is to be supplied with an adequate flow of clean air free fuel oil at a minimum temperature of 32 F 0 C at a neutral pressure This requirement can be met if the oil is supplied to the...

Page 12: ...on units with Engineered Air draft hoods The vent size shall be selected from appropriate approved Vent Table Note Oil fired heaters MUST use A vent 2 A vent connector shall be of approved material a...

Page 13: ...n length Removable air tight access panels shall be provided on both the upstream and downstream sides of the duct furnace The access panels shall be accessible when the appliance is installed for ser...

Page 14: ...the nominal rated nameplate voltage and voltage imbalance shall be limited to 2 A power monitor shall be installed by others to properly monitor power quality and conditions All generator sets shall...

Page 15: ...must be parallel to the air flow The sensor should be mounted near the center of a straight duct 5 to 10 feet 1500 to 3000mm downstream of the supply air connection to the Engineered Air unit Avoid in...

Page 16: ...problems In some applications e g heat recovery units there may be additional drain connections inside the curb intended to be connected to the building drainage system These drains must be connected...

Page 17: ...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 per...

Page 18: ...inlet pressure agrees with the approval label 11 Enable heating and or cooling refer to unit function for correct sequence and operation 12 Confirm field wiring voltage drop is less than 10 when equip...

Page 19: ...air balancing contractor to insure the air volume being delivered matches the unit rating plate Failure to perform a proper air balance can cause injury or death damage to the equipment property damag...

Page 20: ...xternal leakage The table below indicates the maximum number of bubbles in relation to the size and type of valve Manufacturer Pipe size in Model Maximum leakage rate bubbles 10sec 1 1 V4943 V8943 13...

Page 21: ...et up combustion etc If your unit does not have one these controls then follow the next few steps 8 Set the temperature control at the highest setting to call for heat Units with no DJM DJT G TRAC X T...

Page 22: ...re proceeding It may be necessary to refer to another control manual to perform some of the operation test procedure and then return to this document to complete the safety checks 2 Do not start burne...

Page 23: ...very maximum of 300 ppm O2 reading should range from 3 1 2 to 4 at high fire on all units Low fire combustion values are found on the table below for units that have constant combustion air or variabl...

Page 24: ...of shut down allow the main blower to run for a sufficient period to cool off the heat exchanger 4 Set the unit ON OFF toggle switch to the OFF position 5 Set the main power disconnect switch to the...

Page 25: ...ENANCE Warning m c 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 Injur...

Page 26: ...ed or burned badly replace contactor Single phasing and motor burnouts can result from bad contacts BELT ADJUSTMENT For maximum belt and bearing life pulley alignment and belt tension must be properly...

Page 27: ...6 6 Nm 155 in lb 17 5 Nm 228 272 in lb 26 31 Nm 2 11 16 68mm 173 in lb 19 6 Nm 248 in lb 28 0 Nm 228 272 in lb 26 31 Nm 2 15 16 75mm 173 in lb 19 6 Nm 248 in lb 28 0 Nm Install the washer and lock nut...

Page 28: ...2 or No 3 ball bearing grease having rust inhibitors antioxidant additives and a minimum viscosity of 500 SSU at 100 F 38 C Some examples of grease having these properties are Shell Alvania RL 2 Mobil...

Page 29: ...ring to bottom of shaft For 24 hour operation double the lubrication frequency Grease to be added at each interval Lubricate with a multipurpose roller bearing NLGI No 2 having rust inhibitors and ant...

Page 30: ...re 42 OIL BURNERS It is recommended that the oil burner be inspected and cleaned at least once each year Refer to the supplemental information bulletin from the burner manufacturer included with the u...

Page 31: ...mmer operation OUTDOOR AIR INTAKES MIXING SECTIONS AND DAMPERS Outdoor air intakes screens and adjacent areas shall be checked semi annually for cleanliness integrity and proper operation Adjust dampe...

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Page 34: ...A DJ DG MANUAL 34 of 34 May 12 R2...

Page 35: ...s 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 controls set at the correct setpoints as in...

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