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284 Powerdrive F300 User Guide
Issue Number: 2
14 UL listing information
14.1 General
14.1.1 Scope of approvals
All models with the exception of Frame 9A, Frame 9 and 10 690 V and
Frame 11 are listed to both US and Canadian safety requirements.
The UL file number is: E171230.
The Manufacturing Location Code is: 8D14.
14.1.2 Manufacturers name
The manufacturer is Control Techniques Ltd
14.1.3 Electrical ratings
The electrical ratings are tabulated in section 2.3 Ratings on page 11.
14.1.4 Multiple wiring arrangements
The drives are not intended for use in applications that require different
wiring arrangements. The drives are not multiple rated.
14.1.5 Model numbers
Model numbers are shown in Chapter 2 Product information on page 10.
14.1.6 Plenum rating
The drives are suitable for installation in a compartment (duct) handling
conditioned air when installed as enclosed types with the intended Type
1 terminal kit.
14.1.7 Operating temperature
The drives are rated for use at 40 °C ambient temperature.
Operation at 50 °C is permitted with derated output. Refer to Table 12-
3 on page 235.
14.1.8 Installation warnings, cautions and notes
The appropriate installation warnings, cautions and notes are located in
section 1 Safety information on page 8, and in the Getting Started Guide
provided with the drive.
14.2 Overload, overcurrent and overspeed
protection
14.2.1 Degree of protection level
The devices incorporate solid state overload protection for the motor
load. The protection levels, expressed as a percentage of full-load
current, are shown in section 2.3.1 Typical short term overload limits on
page 14.
In order for the motor protection to work properly, the motor rated current
must be entered into Pr 00.046 or Pr 05.007.
The protection level may be adjusted below 150 % if required. Refer to
section 8.2 Motor thermal protection on page 159.
The drive incorporates solid state motor overspeed protection. However,
this feature does not provide the level of protection provided by an
independent, high-integrity overspeed protection device.
14.2.2 Thermal memory protection
The drives are provided with motor load and speed sensitive overload
protection with thermal memory retention.
The thermal memory protection complies with UL requirements for
shutdown, loss of power and speed sensitivity.
For a full explanation of the thermal protection system, refer tosection
8.2 Motor thermal protection .
In order to comply with UL requirements for thermal memory retention it
is necessary to set the Thermal Protection Mode (Pr 04.016) to zero;
and the Low Speed Protection Mode (Pr 04.025) must be set to 1.
14.2.3 Use with motors with thermal protectors
The drive is provided with a means to accept and act upon a signal from
a thermal sensor or switch imbedded in the motor or from an external
protective relay This is described in section 4.8 Output circuit and motor
protection on page 86 and section 7.3 Quick start commissioning / start-
up on page 139.
14.2.4 Specific overcurrent protective device
The drive is not required to be connected to a supply source with a
specific overcurrent protective device other than those specified in
section 4.7 Ratings on page 81.
14.3 Short-circuit protection for branch cir-
cuits
14.3.1 Short-circuit rating
The drive is suitable for use on a circuit capable of delivering not more
than 100,000 RMS symmetrical amperes, 600 Vac maximum, when
protected by the overcurrent protective devices as described in section
4.7 Ratings on page 81.
Unless otherwise indicated in the rating tables in section 4.7 Ratings on
page 81, branch fuses may be any UL listed Class CC, J or T rated 600
Vac.
Unless otherwise indicated in the rating tables in section 4.7 Ratings on
page 81, circuit breakers may be any UL listed type with category control
number DIVQ or DIVQ7, rated 600 Vac.
14.3.2 Solid state short-circuit protection
The drive is provided with solid state short-circuit protection. Integral
solid state protection does not provide branch circuit protection. Branch
circuit protection must be provided in accordance with the National
Electrical Code and any additional local codes.
14.3.3 Common DC bus systems
Frame sizes 3, 4, 5 and 6 are approved for use in modular drive systems
using a common DC bus.
For permitted combinations of converter and inverter, along with the
required branch circuit protection, contact Control Techniques.
14.4 Control circuit protection
14.4.1 Control circuit wiring
All control circuits are located in limited voltage, limited current isolated
secondary circuits. Additional wiring protection is not required.
14.4.2 Supplemental fuse
When the control circuits are supplied with an external 24 V supply, a
supplemental fuse is required as described in section 4.5 24 Vdc
supply on page 80.
14.4.3 Accessory kits boxes
All drives are supplied with an accessory kit box, described in section
2.8 Items supplied with the drive on page 20.
14.5 Wiring terminal markings
14.5.1 Marking for proper connection
All main terminals are plainly marked. There are no multiple circuit
arrangements.
14.5.2 Terminal connection of ground supply conductor
The terminals for the connection of the grounded supply circuit
conductor are identified by means of an earth symbol (IEC 60417,
symbol No. 5019)
Ground connections must use UL listed closed loop (ring) terminals.
14.5.3 User relay contact
An isolated user relay contact is provided that may be wired in the field
to become part of a class 1 or class 2 circuit. This is described in section
4.12 Control connections on page 98.
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