Chromalox Thermostat HVH TK5 User Manual

®
Chromalox  
Installation, Operation  
DIVISION  
SALES  
SECTION  
4
LUH  
and  
(Supersedes PF448-6)  
PF204-1  
REFERENCE  
RENEWAL PARTS IDENTIFICATION  
161-305676-001  
DATE  
JANUARY, 2007  
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.  
LO  
HI  
R
3. Non-inductive Rating:  
120V @ 25 Amperes  
240V @ 25 Amperes  
277V @ 22 Amperes  
Chromalox  
OFF  
GENERAL  
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.  
INSTALLATION  
Step 1  
KO  
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.  
Nameplate  
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.  
Figure 1  
© 2010 Chromalox, Inc.  
 
WIRING DIAGRAMS (cont’d.)  
Figure 5  
Optional Thermostat  
Built in or field installed  
1Ø Wiring  
208-277V 1Ø or 3Ø with contactor  
To T1 To T1 To T1  
Motor  
3Ø Wiring  
Elements  
TO T1  
TO T1  
TO T2  
TO T3  
TO T3  
TO T2  
To T2 To T2 To T2  
Purple  
Orange  
NOTE: Omit "L3" wiring for 1Ø heaters  
T1  
T2  
T3  
L3  
Terminal  
Block  
C1  
C2  
C3  
L1 L2  
Pink  
Cutout  
Optional Disconnect  
Switch Built in or  
field installed  
Remove jumper wire when thermostat is used  
Power  
60 Hz  
Optional Thermostat  
Built in or field installed  
Figure 6  
See Note #2  
1Ø Wiring  
To T1 To T1 To T1  
208-480V 1Ø or 3Ø  
with contactor and transformer  
Motor  
3Ø Wiring  
Elements  
TO T1  
TO T1  
TO T2  
TO T3  
TO T3  
TO T2  
Sec  
To T2 To T2 To T2  
TRANSFORMER COLOR CODE INDEX  
120V SEC.  
T1 T2 T3  
X1 X2  
H1 H2  
PRI.  
PRI. XFMR  
24V SEC.  
X1 X2  
VOLT  
LEAD CLRS LEAD CLRS LEAD CLRS  
Terminal  
Block  
C1  
C2  
C3  
H1  
H2  
RED  
OR  
X1  
X2  
208  
240  
277  
480  
575  
BLK  
BLK  
BLK  
BLK WHT YEL BLU  
BLK WHT YEL BLU  
BLK WHT YEL BLU  
BR  
L1 L2 L3  
BLK BLK/RED BLK WHT YEL BLU  
BLK BLK WHT YEL BLU  
GRA  
Pink  
NOTE:  
Optional Disconnect  
Switch Built in or  
field installed  
1. Omit "L3" wiring for 1Ø heaters  
2. 3Ø Motors used on all 480V, 7.5 kW or higher  
heaters. All other heaters use 1Ø motors.  
Remove jumper wire when  
themostat is used  
Power 60 Hz  
Figure 7  
1Ø Wiring  
Optional Thermostat Built in or field installed  
3Ø Wiring  
1Ø or 3Ø with optional external 24  
or 120V control using single  
pole thermostat  
To T1 To T1  
To T1  
Motor  
Elements  
TO T1  
TO T1  
TO T2  
TO T3  
TO T3  
TO T2  
To T2  
To T2  
To T2  
Remove jumper wire when  
thermostat is used  
T1 T2 T3  
Terminal  
Block  
NOTE:  
C1  
C2  
C3  
1. Omit "L3" wiring for 1Ø heaters  
L1 L2  
L3  
Cutout  
Optional Disconnect  
Switch Built in or  
field installed  
Externally provided control voltage.  
See nameplate for voltage  
Power 60 Hz  
 
RENEWAL PARTS IDENTIFICATION  
1Ø Wiring  
To T1 To T1  
Figure 8  
1Ø or 3Ø with optional external 24  
or 120V control using double  
pole thermostat  
To T1  
Motor  
3Ø Wiring  
Elements  
TO T1  
TO T1  
TO T2  
TO T3  
TO T3  
TO T2  
To T2  
To T2  
To T2  
T1 T2 T3  
NOTE:  
Terminal  
Block  
1. Omit "L3" wiring for 1Ø heaters  
C1  
C2  
C3  
L1 L2  
L3  
Cutout  
Optional  
Remove jumper wire when  
thermostat is used  
Disconnect  
Switch Built  
in or field  
installed  
Optional Double  
Pole Thermostat  
Externally Provided Control Voltage.  
See Nameplate for Voltage.  
Power  
60 Hz  
RENEWAL PARTS IDENTIFICATION  
HVH-TK-5 Components KiT  
Part Number*  
HVH-TK-6 Components Kit  
Part Number*  
300-049197-004  
248-049282-021 (2)  
135-075436-008  
170-049279-016  
059-075500-002  
169-049278-001  
Thermostat  
300-049197-003  
248-049282-021 (2)  
135-075436-008  
170-049279-016  
059-075500-002  
169-049278-001  
Screws  
Rubber Grommet  
Label Decal  
Bulb Clip  
Knob  
*Number in Parentheses ( ) indicates the quantity of that part required.  
Limited Warranty:  
Please refer to the Chromalox limited warranty applicable to this product at  
http://www.chromalox.com/customer-service/policies/termsofsale.aspx.  
2150 N. RULON WHITE BLVD., OGDEN, UT 84404  
Phone: 1-800-368-2493  
TA - U0 - EF  
Litho in U.S.A.  
 

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