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E

LECTRIC

H

EATERS

O

PERATION AND

M

AINTENANCE

M

ANUAL

Stock ID: IOM-EH

March, 2007

©2007 Environmental Technologies

Part No. PX-00-0164

Содержание ELECTRIC HEATER

Страница 1: ...ELECTRIC HEATERS OPERATION AND MAINTENANCE MANUAL Stock ID IOM EH March 2007 2007 Environmental Technologies Part No PX 00 0164...

Страница 2: ...s 3 Pre Start Up 4 Receiving and Inspection 4 Unit Placement 4 Clearance 4 Electric Heater Warning Labels 5 Minimum Wire Gauge 5 Field Wiring 6 Preventative Maintenance 6 Ampere Reading per kW 6 Figur...

Страница 3: ...emblies must be adequately secured during lifting and rigging by temporary supports and restraints until equipment is permanently fastened and set in its final location All unit temporary and permanen...

Страница 4: ...es or items shipped in error Do not handle the unit s heating elements as permanent damage may occur UNIT PLACEMENT CAUTION Never energize a heater without proper airflow Install ductwork to comply wi...

Страница 5: ...ELS The labels shown below are located on the door of all electric heat units in compliance with our ETL listings to UL 1995 and CAN CSA C22 2 No 236 Adherence to these warning labels prevents possibl...

Страница 6: ...unit without proper airflow ELECTRIC HEATER PREVENTATIVE MAINTENANCE CHECKS SERVICE SCHEDULE CAUTION DISCONNECT ALL POWER SOURCES BEFORE ATTEMPTING TO SERVICE OR CLEAN HEATER Before and at Midpoint o...

Страница 7: ...rmostat or Controller Check wiring Rise Check for compatibility Problems with Additional Stages Check location of thermostat may be installed in a too hot or too cold location Check heat outputs on co...

Страница 8: ...ull Off and Full On voltages in steps 4 and 5 in intervals of about one second NOTE Some voltmeters will not respond this quickly so the value of the voltages may not appear to be correct how ever if...

Страница 9: ...now if the heater is operative or not A multimeter set in Ohms cannot be used to confirm that the high voltage contact of a power module is closed You cannot confirm R820 power module operation unless...

Страница 10: ...Switch 24 Vac Common Input Dip Switch 24 Vac 24 Vac 24 Vac 3 0 Vdc Control Signal 2 to 10 Vdc Control Signal 4 to 20 mA Control Signal 0 to 135 Ohms Fuses Element WITH 100 HEATING DEMAND ex 480 Vac 0...

Страница 11: ...O M ELECTRIC HEATERS 11 March 2007 Environmental Technologies ENVIRO TEC HEATERS Typical Wiring Diagram Not to be used for submittal or actual field wiring purposes...

Страница 12: ...ELECTRIC HEATERS O M 12 March 2007 Environmental Technologies ENVIRO TEC HEATERS Typical Wiring Diagram Not to be used for submittal or actual field wiring purposes...

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