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Cabinet Heater G*Y/D*Y Series

INSTALLATION, OPERATION, & MAINTENANCE MANUAL

4

SECTION ONE — Installation

Preface

International Environmental Corporation cabinet heater 
units represent a prudent investment offering trouble-
free operation and long service with proper installation, 
operation, and regular maintenance. Your equipment is 
initially protected under the manufacturer’s standard 
warranty; however, this warranty is provided under 
the condition that the steps outlined in this manual for 
initial inspection, proper installation, regular periodic 
maintenance, and everyday operation of the equipment 
be followed in detail. This manual should be fully reviewed 
in advance before initial installation, start-up, and any 
maintenance. Should any questions arise, please contact 
your local Sales Representative or the factory BEFORE 
proceeding.

The equipment covered by this manual is available 
with a variety of options and accessories. Consult the 
approved unit submittals, order acknowledgment, and 
other manuals for specific details on unit options and 
accessories.

No attempt should be made to handle, install, or service 
any unit without following safe practices regarding 
mechanical equipment.

The equipment must always be properly supported. 
Temporary supports used during installation or service 
must be adequate to hold the equipment securely.

All power must be disconnected before any installation 
or service is attempted. More than one power source may 
be supplied to a unit. Power to remote mounted control 
devices may not be supplied through the unit.

Never wear bulky or loose-fitting clothing when working 
on any mechanical equipment. Gloves should always 
be worn for protection against heat and other possible 
injuries. Safety glasses or goggles should always be 
worn, especially when drilling, cutting, or working with 
chemicals such as refrigerants or lubricants.

Never pressurize any equipment beyond specified test 
pressures as shown on unit rating plate. Always pressure 
test with an inert fluid or gas such as clear water or dry 

nitrogen to avoid possible damage or injury in the event of 
a leak or component failure during testing.

Always protect adjacent flammable material when 
welding or soldering. Use a suitable heat shield material to 
contain sparks or drops of solder. Have a fire extinguisher 
readily available.

All mechanical and electrical connections should be made 
by authorized personnel in accordance with National and 
local codes where applicable. The manufacturer assumes 
no responsibility for personal injury or property damage 
resulting from improper or unsafe practices during 
the handling, installation, service, or operation of any 
equipment.

Unpacking and Inspection

All units are carefully inspected at the factory throughout 
the manufacturing process under a strict detailed quality 
assurance program. All major components and sub-
assemblies are carefully tested for proper operation 
and verified for full compliance with factory standards. 
Operational testing of some customer-furnished 
components such as control valves and electronic control 
items may be a possible exception.

Each unit is carefully packaged for shipment to avoid 
damage during normal transit and handling. Equipment 
should always be stored in a dry and covered location and 
in the proper orientation as marked on the carton.

All shipments are made F.O.B. factory and it is the 
responsibility of the receiving party to inspect the 
equipment upon arrival. Any obvious damage to the 
carton and/or its contents should be recorded on the bill of 
lading and a claim should be filed with the freight carrier.

After determining the condition of the carton exterior, 
carefully remove each unit from the carton and inspect 
for hidden damage. At this time, check to make sure 
that factory provided items such as valve packages 
and actuators, switches, thermostats, drip lips, etc., are 
accounted for. Any hidden damage should be recorded 
and immediately reported to the carrier and a claim filed. 
In the event a claim for shipping damage is filed, the unit, 

Содержание G Y Series

Страница 1: ...ATION MAINTENANCE MANUAL Vertical Horizontal Vertical floor or wall mounted for concealed or exposed applications Horizontal ceiling for exposed or partially exposed applications Hot water coils steam...

Страница 2: ...of its products International Environmental Corporation IEC works continually to improve its products As a result the design and specifications of each product may be changed without notice and may no...

Страница 3: ...placement Parts SECTION FIVE Equipment Start Up 32 Check List IMPORTANT 33 Terms and Conditions SECTION ONE Installation 4 Preface 4 Unpacking and Inspection 5 Prepare Jobsite and Units 5 Handling and...

Страница 4: ...pressures as shown on unit rating plate Always pressure test with an inert fluid or gas such as clear water or dry nitrogen to avoid possible damage or injury in the event of a leak or component fail...

Страница 5: ...uired 3 Perform Dry Fit of valve assembly that may be shipped unattached to unit coil assembly Should any questions arise on fit up please contact your local representative immediately Handling and In...

Страница 6: ...t and recessed units have removable front panels to allow access to the unit Hydronic Heat units have either right or left hand piping Reference piping locations by facing the front of the unit airflo...

Страница 7: ...48 1219 06 55 1397 53 1346 08 55 1397 60 1524 10 77 1956 74 1880 12 77 1956 83 2083 Table 2 Horizontal Ceiling Coil Removal Minimum Service Clearance Width 12 18 in see table 2 28 in 28 in Figure 4 D...

Страница 8: ...he floor is able to support the weight of the unit See submittal drawings for nominal unit weight 3 Ensure wall behind unit is smooth and plumb if necessary install furring strips on walls with irregu...

Страница 9: ...t into the wall of the conditioned areas They cover the recess opening on all sides and are easily removed for access to the unit A top bottom and side framing studs are required to properly secure th...

Страница 10: ...ies INSTALLATION OPERATION MAINTENANCE MANUAL 10 SECTION ONE Installation Cont d Figure 8 Style W Framed Wall Panel Install Diagram Figure 9 Style Z Framed Wall Panel Style Z Figure 10 Style Z Framed...

Страница 11: ...ing the mounting points provided with 3 8 all thread rod and other hardware not supplied with unit The unit must be positioned so that the coil or electric heat elements are on a LEVEL PLANE Other fie...

Страница 12: ...penetrate the rear of the fan coil cabinet Hot extension tubes must be properly insulated Hydronic Heating Connections After mounting the unit it is then ready for the various service connections suc...

Страница 13: ...n accordance with the project specifications This is the responsibility of the installing or insulation contractor Electrical Connections The electrical service to the unit should be compared to the u...

Страница 14: ...g codes and ordinances Any modification of the unit wiring without factory authorization will void all of the factory warranties and will nullify any agency listings The manufacturer assumes no respon...

Страница 15: ...om the factory supply and return grilles should be provided as recommended in the product catalog For units with no return air ductwork check local code requirements for possible application restricti...

Страница 16: ...ected to verify that all systems are complete and properly installed and mounted and that no debris or foreign articles such as paper or drink cans are left in the units or other areas Clean dirt dust...

Страница 17: ...struction During this procedure all unit service valves must be in the closed position This prevents foreign matter from entering the unit and clogging the valves and metering devices Strainers shoul...

Страница 18: ...ould not be attempted by unqualified personnel The system must be complete and all components must be in operating condition BEFORE beginning water system balancing operations Each hydronic system has...

Страница 19: ...N8 Line Service Voltage 9 CN9 PSC Motor Connection 10 CN10 ECM Connection 11 ECM Fan Speed Adjustment 12 Ground Connection 13 LED Diagnostics for Multimeter Diagnostics 85 Control Board E025 71481108...

Страница 20: ...ed IEC 24V Thermostat Does not apply to proportional or Line voltage thermostat controls The diagram below represents a factory installed IEC 24V thermostat Connection Function Description 10V Not use...

Страница 21: ...sor RAS Room air sensor 2 CN2 Changeover Return Air Sensor l Power connector for 24V or Common powered sensors m 24V powered sensors l Applicable for IEC supplied air sensor for Wi Fi E055 71520330 Pr...

Страница 22: ...ontact factory for applications l CLG or HTG LED indication when either 1st stage cooling or heating activated 7 CN7 Class II Transformer l 40VA 75VA option l 24V LED activated when powered 8 CN8 Inco...

Страница 23: ...low Adjusting the potentiometers requires the use of a Multi meter capable of measuring 0 5 vdc 1 Only trained and qualified individuals should attempt to adjust or service components on any electrica...

Страница 24: ...flow for 0 10 VDC If a factory provided thermostat or DDC controller is utilized then the unit is already correctly configured Eco 2 Variable Airflow for 0 10 VDC No control board is required and no f...

Страница 25: ...C is applied to HTG that control signal will passively be present at Pin 8 of the CN6 connector HTG LED shows GREEN Signal for 1st stage cooling valve present G Fan Low Speed 24VAC LOW 24VAC signal ap...

Страница 26: ...es INSTALLATION OPERATION MAINTENANCE MANUAL 26 SECTION THREE Controls Operation Cont d Example Wiring Diagram Electric Heat Only NOTE Wiring diagram also available through QR code found on the unit s...

Страница 27: ...INSTALLATION OPERATION MAINTENANCE MANUAL 27 SECTION THREE Controls Operation Cont d Example Wiring Diagram 2 Pipe Hydronic Heat Only NOTE Wiring diagram also available through QR code found on the un...

Страница 28: ...he assembly require more extensive service the motor blower assembly may be removed from the unit to facilitate such operations as motor or blower wheel housing replacement etc Dirt and dust should no...

Страница 29: ...uous operation With proper unit application and operation the high limit thermal cutout will not operate This device only operates when a problem exists and ANY condition that causes high limit cutout...

Страница 30: ...e recorded in the log for each unit Refer to the product catalog for the recommended filter size for each product type and size If the replacement filters are not purchased from the factory the filter...

Страница 31: ...ification 1 Complete unit model number 2 Unit serial number 3 Complete part description including any numbers For warranty parts inquiries in addition to the information previously listed a descriptio...

Страница 32: ...illed water line size to unit Proper hot water line size to unit All services to unit in code compliance All shipping screws and braces removed Unit protected from dirt and foreign matter Heating Conn...

Страница 33: ...the event of a breach of the Limited Express Warranty IEC will only be obligated at IEC s option to repair the failed part or unit or to furnish a new or rebuilt part or unit in exchange for the part...

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Страница 36: ...Series INSTALLATION OPERATION MAINTENANCE MANUAL Contact your local IEC Sales Representative for further details and pricing applicable to this product Visit our website iec okc com to find your local...

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