Switch User Manual

ManualsBrandsChromalox ManualsSwitchHEATFLO KDS-3

, Inc.

Power Disconnect Switch Kits

Electrical Data (60Hz)

Standard

Model Contactor

Volts kW Phase Amps

Rating (Qty.)

KUH-C-02-81 208 2.667 1 12.8

KUH-C-02-21 208/240 2/2.667 1 11.1*

KUH-C-02-71 277 2.667 1 9.6

KUH-C-04-81

208 4

1 19.2

KUH-C-04-83 3 11.2 30A (1)

KUH-C-04-21

208/240 3/4

1 16.7*

KUH-C-04-23 3 9.6* 30A (1)

KUH-C-04-71 277 4 1 14.5

KUH-C-04-43 480 4 3 4.8 30A (1)

KUH-C-05-81

208 5

1 24.0

KUH-C-05-83 3 13.8 30A (1)

KUH-C-05-21

208/240 3.75/5

1 20.8*

KUH-C-05-23 3 12.1* 30A (1)

KUH-C-05-71 277 5 1 18.2

KUH-C-05-43 480 5 3 6.0 30A (1)

KUH-C-07-81

208 7.5

1 36.1 50A (1)

KUH-C-07-83 3 20.9 30A (1)

KUH-C-07-21

208/240 5.625/7.5

1 31.1* 30A (1)

KUH-C-07-23 3 18.1* 30A (1)

KUH-C-07-71 277 7.5 1 27.2 30A (1)

KUH-C-07-43 480 7.5 3 9.0 30A (1)

KUH-C-10-81

208 10

1 48.0 50A (1)

KUH-C-10-83 3 27.8 30A (1)

KUH-C-10-21

208/240 7.5/10

1 41.7* 30A (1)

KUH-C-10-23 3 24.0* 30A (1)

KUH-C-10-43 480 10 3 12.0 30A (1)

KUH-C-12-83 208 12.5 3 34.8 50A (1)

KUH-C-12-23 208/240 9.375/12.5 3 30.1* 50A (1)

KUH-C-12-43 480 12.5 3 15.1 30A (1)

KUH-C-15-83 208 15 3 41.8 50A (1)

KUH-C-15-23 208/240 11.25/15 3 36.2* 50A (1)

KUH-C-15-43 480 15 3 18.1 30A (1)

KUH-C-20-23 208/240 15/20 3 48.0* 50A (1)

KUH-C-20-43 480 20 3 24.0 30A (1)

KUH-C-25-43 480 25 3 30.0 50A (1)

KUH-C-30-83 208 30 3 83.4 50A (2)

KUH-C-30-23 208/240 22.5/30 3 72.2* 50A (2)

KUH-C-30-43 480 30 3 36.1 30A (2)

KUH-C-35-23 208/240 26.25/35 3 84.3* 50A (2)

KUH-C-35-43 480 35 3 42.1 30A (2)

KUH-C-40-23 208/240 30/40 3 96.0* 50A (2)

KUH-C-40-43 480 40 3 48.0 30A (2)

KUH-C-45-43 480 45 3 54.1 30A (2)

Specifications – Table A

GENERAL

The following procedure contains instructions for installing

Power Disconnect Switches.

ELECTRIC SHOCK HAZARD. Disconnect all power

before installing disconnect switch. Failure to do

so could result in personal injury or property dam-

age. Disconnect switch must be installed by a

qualified person in accordance with the National

Electrical Code, NFPA 70.

*208V amperage is 86% of 240V value.

DIVISION

SECTION

KUH

SALES

REFERENCE

DATE

SERVICE REFERENCE

PF486-3

161-303476-001

AUGUST, 2004

(Supersedes PF486-2)

INSTALLATION INSTRUCTIONS AND RENEWAL PARTS IDENTIFICATION

3 Pole

Model Rating PCN

KDS-1 50 Amp for units rated 480V and less 304434

40 Amp for units rated 500V to 600V

3 Pole 600 V Rating

Model Rating PCN

KDS-2 80 Amp 304442

KDS-3 100 Amp 304450

Power Disconnect Switch

for Field Installation

Summary of content (4 pages)

PAGE 1
SERVICE REFERENCE 4 DIVISION SECTION SALES REFERENCE ® KUH (Supersedes PF486-2) PF486-3 161-303476-001 DATE AUGUST, 2004 INSTALLATION INSTRUCTIONS AND RENEWAL PARTS IDENTIFICATION Power Disconnect Switch Kits Specifications – Table A Electrical Data (60Hz) Model KUH-C-02-81 KUH-C-02-21 KUH-C-02-71 KUH-C-04-81 KUH-C-04-83 KUH-C-04-21 KUH-C-04-23 KUH-C-04-71 KUH-C-04-43 KUH-C-05-81 KUH-C-05-83 KUH-C-05-21 KUH-C-05-23 KUH-C-05-71 KUH-C-05-43 KUH-C-07-81 KUH-C-07-83 KUH-C-07-21 KUH-C-07-23 KUH-C-07-7
PAGE 2
INSTALLATION 1. The amperage rating of the disconnect must be equal to or greater than the amperage rating on Table A and as marked on the nameplate located on the bottom access door (Figure 1). 2. The power disconnect kit is to be installed in the rectangular knockout located in the bottom right corner on the back of the heater (Figure 2). The knockout can be removed using a hammer and chisel or other appropriate means.
PAGE 3
INSTALLATION (Cont’d) KDS–2 and KDS – 3 8. The cover plate should be placed over the rectangular opening with its four mounting holes lined up with the four holes in the cabinet and the four holes in the mounting bracket (see Figure 7). 9. Insert the four self tapping screws into the four holes until they engage the holes in the mounting bracket and tighten until they are secure (see Figure 8). 10.
PAGE 4
WIRING (Cont’d) Fuse Block (1) Contactor (1) Fuse Block (2) Contactor (2) Power Disconnect Switch To Power Supply L1 AL1 L2 AL2 L3 AL3 KUH-30 through KUH-45 units with 2 contactors where the total load exceeds 48 Amp and subcircuit fuse blocks are provided. Figure 12 ® -42 -43 -44 -45 -1 -2 -3 Place Number at the end of the Catalog Number CATALOG NO. KUH-C- 07 - 43 - 32 - 00 - 0 DATE MFG. PART NO. 004 - 303375 - 265 CODE MIN. CIRC. CAP. AMPS MAX. CIRC. FUSE RATING KW V.A.C.