Chromalox CKH Installation, Operation And Maintenance

3-1/2
1-3/4
1
Back View
7/8" Dia. K.O. (2 pts.)
1-3/4
2
WARNING: Hazard of Electric Shock. Disconnect all
power before installing heater.
WARNING: Hazard of Electric Shock. Any installation
involving electric heaters must be effectively ground-
ed in accordance with the National Electrical Code to
eliminate shock hazard.
WARNING: Do NOT store or use gasoline or other flam-
mable vapors and liquids in the vicinity of the heaters.
Failure to comply can result in explosion or fire.
To prepare the heater for installation, first check that heater name-
plate voltage is the same as the electrical service.
Kickspace Installation —
Note: Unit should be installed so that it is not directly under sink or
other frequently used work area as air temperature may be uncom-
fortably warm. Also, if carpeting is on floor, mount unit so bottom of
grille is level or above the top of carpet pile.
1. Measure area of intended use. If there is not sufficient room for the
trim frame, the frame may be removed by removing Screw "A"
(see Figure 1). Re-insert grille.
2. Cut 22-3/8" x 3-5/8" opening (see Figure 2). Keep clearance area
free of obstructions.
3. Bring in proper service cable to left or rear of 10" minimum area
as shown in Figure 2.
© 2010 Chromalox, Inc.
Chromalox
Installation, Operation
and
MAINTENANCE
Type CKH — Kick Space Heater
22-1/8
Wiring
Junction Box
24-1/8
®
Specifications –
Model
CKH-20F31
9-1/2
Optional Accessories –
4-1/2
Model
CKH-TD13 1-Pole Thermostat Kit 22A @ 120/240V
CKH-TD23 2-Pole Thermostat Kit 22A @ 120/240V
INSTALLATION
4. Electric wiring to heater must be installed in accordance with the
National Electrical Code and with local codes by a qualified person.
WARNING: Use copper conductors only..
5. Remove heater cover and appropriate knockout. Attach service
cable to unit with approved connector and connect color to color in
outlet box. To change wattage or voltage connections, see Figure 4.
6. Replace cover, slide unit into opening, and secure each side. (See
Figure 1.) Note: Make sure unit is installed right side up. Refer to
"TOP" label.
7. For inspection of field wiring, see instruction under "Electrical
Inspection".
Soffit or Stair Riser Installation —
1. Cut opening as for kickspace installation (22-3/8" x 3-5/8"). Allow
3/4" clearance above cabinet doors. Add supports for unit as
shown in Figure 3.
2. Proceed as for kickspace installation. After securing unit in open-
ing, install combination of frame and grille (see Figure 1).
Servicing or Electrical Inspection —
WARNING: Disconnect main to de-energize recepta-
cle before servicing or for electrical inspection.
Servicing —
Remove grille and frame by removing screws "A". Remove two
(2) screws "B", and slide out heating assembly. When re-assembling,
reverse the procedure above.
SERVICE REFERENCE
4
DIVISION SECTION
SALES
(Supersedes PF476)
REFERENCE
MARCH, 1999
DATE
Volts Watts Phase BTUH
120 450 1 1534
3.8 Amps
120 900 1 3071
7.5 Amps
120 1350 1 4606
11.3 Amps
120 1800 1 6142
15 Amps
208 675 1 2303
3.2 Amps
208 1350 1 4606
6.5 Amps
240 900 1 3071
3.8 Amps
240 1800 1 6142
7.5 Amps
Description
CKH
PF476-1
161-562515-001
Weight
Stock PCN
(Lbs.)
14.0 S 352313
14.0 S 352313
14.0 S 352313
14.0 S 352313
14.0 S 352313
14.0 S 352313
14.0 S 352313
14.0 S 352313
Weight
Stock PCN
(Lbs.)
0.4 S 352321
0.4 S 352330