STANDARD WIRING PACKAGES

IMPORTANT: Wiring diagrams shown depict typical control functions. Refer to unit wiring label for spe- ci®c functions.

Manual Fan Control Ð On all Vertical Cabinet units, the standard fan-speed switch is furnished unit-mounted and wired. On all Vertical Furred-In units and all Horizontal units, the switch is shipped separately on a decorative wall plate for ®eld mounting and wiring.

The standard switch has LOW, MEDIUM, HIGH and OFF positions plus an auxilliary contact to energize thermostats, valves, dampers, etc.

NOTE: Wiring diagrams are for 120-v power supply. If other voltages for heaters or controls are speci®ed, wiring may dif- fer from that shown.

The standard 3-speed switches are illustrated on page 12 (unit mounted) and on page 10 (wall mounted).

For NOTES, see below.

Thermostatic Fan Control, 2-Pipe Systems Ð

UNIT

 

 

 

THERMOSTAT OR

The thermostat cycles the fan on and off from any selected

 

LOCATION

 

WIRING PACKAGE*

TYPE

 

 

Heating or

Heating and Cooling

speed setting to maintain selected room temperature. Con-

 

 

 

 

 

 

Cooling Only

Plus Changeover²

trols can be wired for heating-only, cooling-only or for heating/

 

 

 

Vertical

 

Unit Mounted

 

N/A

N/A

cooling by the addition of an automatic changeover device

 

 

Vertical

 

 

 

 

 

that senses water temperature and changes the action of the

 

 

 

22-C, 22-D

 

or

 

Wall Mounted

 

22-A, 22-B

thermostat as required.

 

 

22-E, 22-F

Horizontal

 

 

 

 

For control package descriptions, see control components

 

 

 

 

 

 

*Packages

listed on current

price pages. First 2 digits are item

sections entitled Remote-Mounted Controls and Unit-

numbers.

 

 

 

 

 

Mounted Controls, pages 10-13.

²For alternate thermostat with manual changeover. Refer to current

 

price pages.

 

 

NOTES:

1.Motors are thermally protected.

2.Use copper conductors only.

3.See unit nameplate for power supply. Provide disconnect means and overload protection as required.

4.Unit-mounted thermostats are not recommended for fan control because of poor temperature sensing. Fan control not available on 42VC,VE Loboy units.

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Carrier 42 SERIES specifications Standard Wiring Packages, Thermostatic Fan Control, 2-Pipe Systems Ð

42 SERIES specifications

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