26 29 20 (16423) - Contractors



Section Cover Page | |

| Section 26 29 20 |

|2010-11-01 Contactors |

Use this Section to specify requirements for contactors rated at 600 volts or less used to control single or three phase point loads.

This Master Specification Section contains:

.1 This Cover Sheet

.2 Data Sheet - Reference Documents

.3 Data Sheet - Sample Schedule

.4 Specification Section Text:

1. General

1.1 Related Requirements

1.2 Reference Documents

1.3 Source of Supply

1.4 Product Data

1.5 Delivery, Storage and Handling

2. Products

2.1 Contactors

2.2 Contactor Control Components

2.3 Contactor Control

3. Execution

3.1 Installation

3.2 Contactor Schedule

CONTACTOR SCHEDULE

120/208 VOLTS, 3 PHASE, 4 WIRE

LOAD SIZE TYPE POLES ENCLOSURE P.L. CONTROL

| | | | | | | |

|Load |Size |Type |Poles |Enclosure |P.L. |Control |

| | | | | | | |

|Panel 2B |150A |E0EH |3 |Panel |Yes |Pushbutton |

| | | | | | | |

|Panel 3C |100A |E0EH |3 |EEMAC 1 |Yes |Time clock and |

| | | | | | |thermostat |

| | | | | | | |

|Panel 4A |100A |E0MH |3 |EEMAC 1 |Yes |DDC |

END OF DATA SHEETS

1. General

1.1 related requirements

.1 SUBMITTAL PROCEDURES: SECTION 01 33 00.

.2 LEED Requirements: Section 01 35 18.

.3 Waste Management and Disposal: Section 01 74 19.

.4 Electrical General Requirements: Section 26 00 10.

.5 Electrical Identification: Section 26 05 53.

1.2 Reference documents

.1 CANADIAN STANDARDS ASSOCIATION (CSA)

|.1 |CSA C22.2 No. 14-05 |Industrial Control Equipment |

1.3 SOURCE OF SUPPLY

.1 CONTACTORS SHALL BE SUPPLIED BY A SINGLE MANUFACTURE.

1.4 PRODUCT DATA

.1 COMPLY WITH REQUIREMENTS IN 26 00 10.

.2 Provide manufacturer's product data for all components.

1.5 DELIVERY, STORAGE AND HANDLING

.1 Separate waste materials for [reuse] [and] [recycling] in accordance with Section 01 74 19 - Waste Management and Disposal.

2. Products

2.1 CONTACTORS

.1 CONTACTORS: TO CSA C22.2 NO.14 AND AS FOLLOWS:

.1 Voltage: [250] [480] [600] volts.

.2 Ampacity: [     ] Amperes [non inductive] [inductive] load.

.3 Poles: [1] [2] [3] [4].

SPEC NOTE:  When a multiple number of contactors are used, delete "Voltage, Ampacity and Pole" requirements specified above and include a contactor schedule at the end of this Section.

.4 Holding coil: [120] [208] volts, electrically operated, [electrically] [mechanically] held.

.5 Pilot light: [red] [green] [incandescent] [transformer] [neon] type in cover.

.6 Control: [HOA] switch, [stop/start pushbutton] in cover. HOA switch that is field convertible to On/Off or Auto/Off.

.7 Auxiliary contacts: [one] [two] [three] sets. [One] [Two] sets to be convertible to [normally open] [normally closed].

.8 Control transformer: [600/120] [480/120] [       ] volts, sized to handle operating coil and associated auxiliary controls.

.9 Enclosure: EEMAC [1] [4] [  ] [flush] [surface] [integral panel] mounted.

SPEC NOTE:  When more than one contactor is used, include a contactor schedule at the end of this section.

2.2 CONTACTOR CONTROL COMPONENTS

.1 PUSHBUTTON STATION: EMERGENCY STOP OR "OFF" PUSHBUTTON STATIONS HEAVY DUTY OIL-TIGHT INDUSTRIAL TYPE WITH:

.1 38 mm red mushroom [push] [pull] type operator [with keyed "On/Off" switch] [key removable in "Off" position only].

.2 Normally [closed] [open] contacts.

.2 Timer: synchronous motor driven with the following features:

.1 Type: 24 hour dial, [single] [two] pole, [single] [double] throw.

.2 Tabs: [96] [  ] for [    ] operations per day, [day omission feature].

.3 Contacts: [maintained] momentary [20] [  ] amperes at [120] [240] volts AC.

.4 Reserve Power: [16] [  ] hours [spring driven] [battery].

.5 Enclosure: EEMAC [1] [  ] [4].

.3 Thermostat: low temperature type with the following features:

.1 Temperature range: -35°C to 40°C.

.2 Capillary tube.

.3 [Single] [   ] pole, [single throw], [   ] action, [make] [break] on temperature drop.

.4 Rating: [20] [  ] Amperes at [120] [240] volts.

.5 Enclosure: EEMAC [1] [  ] [4].

2.3 CONTACTOR CONTROL

.1 WORKSHOP PANEL CONTACTORS:

.1 Locally controlled.

.2 Activated only by key switch at panel location.

.3 Deactivated by:

.1 Captive key switch at panel.

.2 "Off" pushbutton at panel.

.3 Remote "Off" pushbuttons.

.4 Incorporate "lock-off" feature.

.2 Car Heater Contactors:

.1 [Individually] [    ] [time clock] [                ] controlled.

.2 Thermostat mounted in EEMAC [1] [  ] [4] enclosure with capillary tube extended to the exterior, sealed at exterior building wall and protected.

.3 Thermostat tied into the circuit[s] so that when temperature exceeds predetermined level, circuit will open and de-energize [all] contactor[s].

3. Execution

3.1 INSTALLATION

.1 INSTALL CONTACTOR[S] [AND ASSOCIATED CONTROL COMPONENTS] WHERE INDICATED ON DRAWINGS.

.2 Pilot light to be illuminated when contactor is energized.

3.2 SCHEDULE

CONTACTOR SCHEDULE

[       ] VOLTS, [  ] PHASE, [  ] WIRE

| | | | | | | |

|Load |Size |Type |Poles |Enclosure |P.L. |Control |

| | | | | | | |

| | | | | | | |

| | | | | | | |

| | | | | | | |

| | | | | | | |

| | | | | | | |

| | | | | | | |

| | | | | | | |

| | | | | | | |

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END OF SECTION

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