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May 12 R2 

 
 
 

 

INSTALLATION, OPERATION 

 

AND MAINTENANCE MANUAL 

 

FOR 

 

DJ(E,S) & DG SERIES 

 
 

INDIRECT GAS OR OIL FIRED HEATING UNITS 

 

INDOOR AND OUTDOOR MODELS 

 

 

 
 

 
 

 

 

 

UNIT MODEL NO. _________________ 

 

 

UNIT SERIAL NO. _________________   

 

SERVICED BY: ___________________ 

 

 

TEL. NO: ________________________ 

 

 

 

 

CANADIAN 

HEAD OFFICE 

AND FACTORY 

 

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) 583-1406 

 

1175 TWINNEY DRIVE 

NEWMARKET, ONTARIO 

L3Y 5V7 

Ph:  (905) 898-1114 

Fx:  (905) 898-7244 

 
 

SALES OFFICES ACROSS CANADA AND USA 

 

Retain instructions with unit and maintain in a legible condition. 

Please give model number and serial number when contacting 

factory for information and/or parts. 

 

www.engineeredair.com

 

Содержание DG SERIES

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 32: ...A DJ DG MANUAL 32 of 34 May 12 R2...

Страница 33: ...A DJ DG MANUAL 33 of 34 May 12 R2...

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

Страница 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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