6
7
Wire Size
Use
ONLY
wiring size recommended for single outlet branch circuit.
Fuse/Circuit
Use
ONLY
type and size fuse or HACR circuit breaker indicated on unit's rating plate. Proper
Breaker
current protection to the unit is the responsibility of the owner.
NOTE: A time delay fuse is provided with 265V units
.
Grounding
Unit
MUST
be grounded from branch circuit through service cord to unit, or through separate ground
wire provided on permanently connected units. Be sure that branch circuit or general purpose outlet
is grounded.
Receptacle
The field supplied outlet must match plug on service cord and be within reach of service cord.
Refer to Table 1 for proper receptacle and fuse type. Do
NOT
alter the service cord or plug. Do
NOT
use an extension cord.
Wire Sizing
Use recommended wire size given in
Table 2
and install a single branch circuit. All wiring must
comply with local and national codes.
NOTE: Use copper conductors only.
Electrical Rating Tables
All 230/208 volt units are equipped with power cords.
Electric shock hazard.
Turn off electric power before service or installation.
All electrical connections and wiring MUST be installed by a qualified electrician
and conform to the National Electrical Code and all local codes which have
jurisdiction.
Failure to do so can result in property damage, personal injury and/or death.
NOTE: Use Copper Conductors ONLY
Wire sizes are per NEC, check local
codes for overseas applications
Table 1
250 V Receptacles and Fuse Types
AMPS 15 20 * 30
RECEPTACLE
MANUFACTURER PART NUMBERS
Hubbell 5661 5461 9330
P & S 5661 5871 5930
GE GE 4069-1 GE4182-1 GE4139-3
Arrow-Hart 5661 5861 5700
TIME-DELAY TYPE
FUSE 15 20 30
(or HACR circuit breaker)
HACR — Heating, Air conditioning, Refrigeration
* May be used for 15 Amp applications if fused for 15 Amp
NOTE: 265 volt units are permanently connected.
Recommended branch circuit wire sizes
Table 2
Nameplate
maximum circuit
breaker size
AWG Wire size**
15 14
20 12
30 10
AWG — American Wire Gauge
* Single circuit from main box
** Based on copper wire, single insulated
conductor at 60°C