Chromalox PF477-2 Installation, Operation And Maintenance

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.
WARNING: This heater is not intended for use in haz-
ardous atmospheres where flammable vapors, gases,
liquids or other combustible atmospheres are present
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.
1. Wire per appropriate wiring diagram below, connecting
ground wire to green ground screw.
2. On 120V units, the thermostats must be in the hot line.
3. Fasten heater to wall using four wood screws or screw
anchors.
4. Replace connection box cover.
© 2010 Chromalox, Inc.
Chromalox
Installation, Operation
and
MAINTENANCE
Type CPHH — Pumphouse Utility Heater
Specifications
Model Volts
CPHH-50011 120
CPHH-50031 208
CPHH-50031 240
®
17-3/8
16-7/8
5-1/2
2
7/8" Dia. K.O.
2-1/4
Length
Watts Amps BTUH
(In.)
500 4.2 1707 17-3/8
375 1.8 1280 17-3/8
500 2.1 1707 17-3/8
INSTALLATION
as defined in the National Electrical Code. Failure to
comply can result in explosion or fire.
1. Check that the electrical service is the same on the nameplate.
2. Determine desired mounting location per instructions on
nameplate.
3. Remove connection box cover.
4. Bring in correct fused electrical service to appropriate knock-
out. Suitable for 75˚C field wiring.
WIRING
Wiring Diagrams —
L1 N
120V 1Ø 60 Hz
White
Black
SERVICE REFERENCE
4
DIVISION SECTION
SALES
(Supersedes PF477-1)
REFERENCE
MARCH, 1999
DATE
1/4" Dia. (4 pts.)
1-1/2 3-13/16
Weight
Stock PCN
(Lbs.)
5.0 S 350190
5.0 S 350203
5.0 S 350203
L1 L2
Black
Stat
CPHH
PF477-2
161-562516-001
240V 1Ø 60 Hz
Black Stat