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The following procedure contains instructions for installing ther-
mostat kits HVH-TK5 and HVH-TK6 in HVH-02 through HVH-
15 Heaters.
ELECTRIC SHOCK HAZARD. Disconnect all power
before installing thermostat kit. Failure to do so
could result in personal injury or property damage.
Thermostat kit must be installed by a qualified per-
son in accordance with the National Electrical Code,
NFPA 70.
© 2010 Chromalox, Inc.
Thermostat Kits
Model Number HVH-TK5
Model Number HVH-TK6
For field installation only in HVH-02 through HVH-15 heaters
SPECIFICATIONS
1. Temperature Range: 40˚F to 90˚F.
2. Differential: 5˚F.
3. Non-inductive Rating:
120V @ 25 Amperes
240V @ 25 Amperes
277V @ 22 Amperes
(Supersedes PF448-6)
PF204-1
LUH
161-305676-001
JANUARY, 2007
4
RENEWAL PARTS IDENTIFICATION
Installation, Operation
and
DATE
SALES
REFERENCE
DIVISION SECTION
Chromalox
®
LO HI
OFF
Chromalox
R
GENERAL
INSTALLATION
Step 1
1. Verify that the thermostat kit is compatible with your heater.
HVH-TK-6 is a DPST line voltage thermostat, it can be used
on 1Ø, 240V max. up to 25A and 1Ø, 277V up to 22A heaters.
HVH-TK-5 is a SPST is a thermostat used in conjunction with
a contactor.
2. Peel off “Chromalox” label located on the bottom front corner
of the heater. Removal of the label will reveal the holes for
mounting the thermostat (See Figure 1).
3. Carefully remove the KO on the bottom side of heater.
KO
Nameplate
Figure 1