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AK and 3K Series Installation and Service Instructions
4211-143-A 02-19-10
SILICONE
CAULK
TEMPERATURE
SENSOR
WALL
7/8" HOLE
SENSOR
CABLE
PIGTAIL
PROBE MUST
BE POINTED
DOWN
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)
USED WITH K60 OR K30 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
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