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AK and 3K Series Installation and Service Instructions
4211-171 06-25-10
ELECTRICAL INFORMATION CHART
* Observe wire sizes for 208 VAC installations. 208 VAC wired units must be supplied with a minimum of 195 VAC while operating (heating). Unit is rated for copper
wire only. All wire is UL approved 300V 75 deg. C minimum unless otherwise specified. ** Single phase AK12 & AK14 require two seperate line feed circuits.
DIAGRAM 11 DIAGRAM 12
(BUILT-IN SENSOR ON KT60
CONTROL ONLY)
TILE UP TO 2"
DIAMETER HOLE
IN FINISHED WALL
WALL
DECORATIVE
CONTROL COVER
PLATE
CONTROL
HOUSING
STEAM
GENERATOR
MODEL NO.
AC
VOLTAGE PHASE
NOMINAL WATTAGE
@208 @240
NOMINAL AMPERAGE
@208 @240
UL RECOMMENDED
PROTECTIVE DEVICE
@208 @240
RECOMMENDED
MINIMUM COPPER
SUPPLY WIRE*
AK4 208 / 240 1 3,000 4,000 14.5 17.0 20 25 10-2 W/G
AK5 208 / 240 1 3,750 5,000 18.0 21.0 25 30 10-2 W/G
AK6 208 / 240 1 4,500 6,000 21.7 25.0 30 35 8-2 W/G
AK7 208 / 240 1 5,250 7,000 25.3 29.0 35 40 8-2 W/G
AK8.5 208 / 240 1 6,375 8,500 30.7 35.5 45 50 6-2 W/G
AK10 208 / 240 1 7,500 10,000 36.1 41.5 50 60 6-2 W/G
AK12 208 / 240 1** 9,000 12,000 28.8/14.4 33.3/16.7 40/20 50/25 6-2/10-2 W/G
AK14 208 / 240 1** 10,500 14,000 32.5/18.0 37.5/20.8 50/25 50/30 6-2/10-2 W/G
3K8 208 3 7,900 - 21.9 - 30 - 10-3 W/G
3K10 208 3 10,100 - 28.1 - 35 - 8-3 W/G
3K12 208 3 11,300 - 31.3 - 40 - 8-3 W/G
3K14 208 3 14,500 - 40.2 - 50 - 6-3 W/G
DIAGRAM 13
APPLY SEALANT
(100% SILICONE CAULK)
TILE UP TO
1-3/4" DIAMETER HOLE
IN FINISHED WALL
(OPTIONAL NUT IF BACK OF
WALL IS ACCESSABLE)
2 GANG ROUGH-IN BOX
DIAGRAM 14
R30K ROUGH-IN K30, K60, KT60 ROUGH-IN
K60/KT60/K30 CONTROL
SILICONE
CAULK
TEMPERATURE
SENSOR
WALL
7/8" HOLE
SENSOR
CABLE
PIGTAIL
PROBE MUST
BE POINTED
DOWN
TEMPERATURE SENSOR
USED WITH K60 OR K30 CONTROL ONLY
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