King Electrical KCC SERIES Instruction Manual

electrical mfg. company
INSTALLATION & MAINTENANCE MANUAL
SAVE THESE INSTRUCTIONS
for KCC & KCF SERIES CABINET HEATERS
Congratulations on the purchase of your new KING ELECTRICAL CABINET WALL
HEATER. Your new heater has been designed and built to withstand heavyduty commercial
and institutional usage. KCF models feature a whisper-quiet squirrel cage blower, with
permanently lubricated bearings. Both models feature long-life heating elements with alumi-
num plate fins for rapid heat transfer. A variety of factory installed options allow this heater
to be tailored to your specific application.
9131 - 10th Avenue South Seattle Washington 98108
WARNING
THIS UNIT IS MANUFACTURED TO OPERATE ON ASPECIFIC CONTROL VOLTAGE IN COMPLIANCE WITH YOUR
ORDER. STANDARD CONTROL VOLTAGES ARE 208 / 240 / 277 FOR 208 / 240 / 277 VOLT HEATERS.
24 VOLT CONTROL IS STANDARD ON 480 VOLT HEATERS. 208 / 240 OR 277 VOLT HEATERS MAY ALSO
BE ORDERED WITH AN OPTIONAL 24 VOLT CONTROL. ITIS IMPORTANT THAT YOU VERIFY YOUR POWER
SUPPLY VOLTAGE WITH THE HEATER THAT YOU HAVE CHOSEN. IMPROPER INSTALLATION OR FAILURE TO
FOLLOW THE PROCEDURES AS OUTLINED IN THIS MANUAL CAN RESULT IN SERIOUS ELECTRICAL SHOCK.
DISCONNECT ALL POWER FROM THE HEATER AT
THE MAIN SERVICE PANEL AND LOCK BEFORE ATTEMPTING TO
INSTALL OR SERVICE THIS UNIT. ALL ELECTRICAL WIRING MUST CONFORM TO LOCAL ELECTRICAL CODES. HEATER
CIRCUIT MUST BE PROTECTED WITH THE PROPER SIZE FUSES OR CIRCUIT BREAKERS.
KCC-KCF.indd : 4/08

Installation Instructions
All products covered by this instruction sheet are war-
rantedagainstdefectsin workmanshipand materialsfor
one year from date of installation, except heating ele-
mentswhich arewarranted againstdefects inworkman-
shipand materialsfor fiveyearsfromdateofinstallation.
Thiswarrantydoes not applytodamage from accident,
misuse, or alteration; nor where the connected voltage
is more than 5% above the nameplate voltage; nor to
equipment improperly installed, wired or maintained
in violation of this instruction sheet. All claims for war-
ranty work must be accompanied by proof of the date
ofinstallation. The customer shallberesponsible forall
costincurred inthe removalor reinstallationor products,
including labor costs, and shipping costs incurred to
return products to King Manufacturing. King Mfg. will
repairorreplace, at ouroption,at no charge toyou with
return freight paid by King. King Electrical Mfg. shall
not be liable for consequential damages arising with
respectto theproduct, whetherbaseduponnegligence,
tort, strict liability or contract. King Manufacturing can
be contacted in Seattle, Washington by phone at (206)
762-0400,by fax at(206)763-7738 orbyemail at www.
king-electric.com
Remove the heater from the box and check for any
damage. Verify that the factory installed options are
correct for the application. Remove and set aside the
grill.
Select power supply wire type and size to comply
with local and national electric codes using heater
rating given in table. Connect wire to heater as
shown in wiring diagram attached to cover. Remove
one of the knockouts from back of unit. Secure
power supply cable with clamps (or run in conduit,
if required by local codes). Also run the wiring for a
remote thermostat, if required. Connect grounding
conductor to the green screw.
Fasten the heater to the wall with #10 screws, as
shown in the mounting diagrams. On recess models,
be sure to leave enough clearance to install the grill.
Replace the grill. Test the heater for proper operation.
Warranty
WARNING
Before proceeding further with the instal-
lation of this heater, turn off the power and
lock to the supply line for the heater at the
main service box.
WARNING - All Power must be shut
off at the main service panel before
inspecting or cleaning the heater.
Maintenance
With proper care your electric heater should last a
lifetime, however seasonal cleaning is recommended
to maintain the efficiency of the heater.
To clean the heater remove the four screws that hold
the grill in place and remove the grill. Remove dust or
lintfromthe heating elementsandthe fan bladeswitha
soft brush, compressed air, or a vacuum cleaner. KCF
units require a few drops of SAE 20 synthetic oil on the
motor shaft. Replace the grill and tighten the screws.
JUNCTION BOX
(Left side wiring only)
KCC-KCF.indd : 4/08

KCC SELECTION CHART
(convection cabinet heater)
CATALOG # PHASE WATTS BTUH
(000) VOLTS 1-PH 3-PH CABINET SIZE WT. (lbs.)
KCC2-2020-
KCC2-2420-
KCC2-2720-
KCC2-4820-*
2000 6.8
208
240
277
480
9.6
8.3
7.2
4.2
5.6
4.8
N/A
2.4
24" 30
KCC3-2030-
KCC3-2430-
KCC3-2730-
KCC3-4830-*
3000 10.2
208
240
277
480
14.4
12.5
10.3
6.5
8.3
7.2
N/A
3.6
36" 40
KCC4-2040-
KCC4-2440-
KCC4-2740-
KCC4-4840-*
4000 13.6
208
240
277
480
19.2
16.7
14.4
8.3
11.1
9.6
N/A
4.8
48" 50
KCC4-2050-
KCC4-2450-
KCC4-2750-
KCC4-4850-*
5000 17
208
240
277
480
24
20.8
18
10.4
13.9
12
N/A
6
48" 50
AMPS
Add
Suffix
1
for
Single
Phase
or
3
for
Three
Phase
*All 480V models require neutral wire for 277V fan motor
KCF SELECTION CHART
(fan-forced cabinet heater)
CATALOG # PHASE WATTS BTUH
(000) VOLTS 1-PH 3-PH CABINET SIZE WT. (lbs.) # OF FANS FAN WATTS CFM
KCF2-2020-
KCF2-2420-
KCF2-2720-
KCF2-4820-*
2000 6.8
208
240
277
480
9.6
8.3
7.2
4.2
5.6
4.8
N/A
2.4
24" 35 1 34 95
KCF3-2030-
KCF3-2430-
KCF3-2730-
KCF3-4830-*
3000 10.2
208
240
277
480
14.4
12.5
10.3
6.5
8.3
7.2
N/A
3.6
36" 45 2 68 190
KCF4-2040-
KCF4-2440-
KCF4-2740-
KCF4-4840-*
4000 13.6
208
240
277
480
19.2
16.7
14.4
8.3
11.1
9.6
N/A
4.8
48" 55 3 102 285
KCF4-2050-
KCF4-2450-
KCF4-2750-
KCF4-4850-*
5000 17
208
240
277
480
24
20.8
18
10.4
13.9
12
N/A
6
48" 55 4 102 285
AMPS
Add
Suffix
1
for
Single
Phase
or
3
for
Three
Phase
*All 480V models require neutral wire for 277V fan motor
ADD
SUFFIX DESCRIPTION
-1 1-Phase (first extension after base model number)
-3 3-Phase (First extension after base model number)
-R Recessed Mounting
-S Surface Mounting
-SB Sub floor base, 3" high
-T 1-Pole Built-In Thermostat (40°F - 90°F)
-T2 2-Pole Built-In Thermostat (40°F - 90°F)
-RT Line Voltage Terminal Block
(for wiring to a remote thermostat)
-CX Power Contactor for 208, 240 & 277V models
line voltage holding coil
-RT24 Power Contactor and Transformer for 24V control (for wiring to a remote low voltage thermostat)
Standard on 480V models
-3PS 3-Position Switch (Heat / Fan / Off)
-DS1 2-Pole Disconnect Switch for 1-Phase Models
-DS3 3-Pole Disconnect Switch for 3-Phase Models
FACTORY INSTALLED OPTIONS
KCC-KCF.indd : 4/08

KCC-KCF.indd : 4/08
TYPICAL 1-PHASE WIRING
208/240/277 VOLT
LINE VOLTAGE CONTROL
HIGH LIMIT
L2
L1
ELEMENT
ELEMENT
ELEMENT
FAN(S)
REMOTE WALL THERMOSTAT
OR OPTIONAL IN-BUILT
THERMOSTAT
OPTIONAL
DISCONNECT
SWITCH
1,2 or 3 FANS
KCF UNITS
ONLY
L1
OPTIONAL
DISCONNECT
SWITCH
L2
L3
FAN(S) 1,2 or 3 FANS
KCF UNITS
ONLY
CONTACTOR
HIGH LIMIT
ELEMENT
ELEMENT
ELEMENT
TYPICAL 3-PHASE WIRING
208/240 VOLT
LINE VOLTAGE CONTROL
L1
OPTIONAL
DISCONNECT
SWITCH
L2
L3
CONTACTOR
HIGH LIMIT
TYPICAL 480V 3-PHASE WIRING
24 VOLT CONTROL
ELEMENT
ELEMENT
ELEMENT
NEUTRAL
FAN(S) 1,2 or 3 FANS,
277 VOLT 1-PHASE
KCF UNITS ONLY
REMOTE WALL THERMOSTAT
OR OPTIONAL IN-BUILT
THERMOSTAT
CONTROL
TRANSFORMER
24V
480V
REMOTE WALL THERMOSTAT
OR OPTIONAL IN-BUILT
THERMOSTAT
GND
GND
GND
(required on KCF
models only)