Rev B
INSTALLATION INSTRUCTIONS
STEP-DOWN TRANSFORMER HOUSING KIT
Step-Down Transformer Housing Kit Compatibility:
Step-Down Transformer Housing Kit
Step-Down Transformer
High-Bay Conversion Kit
HH-ISK-C70-HB-16
HHILSSD1125VA
HHILPQ32840
HHILSSD2245VA
HHILSSD3460VA
Operating Voltage: 480V / 347V
HH-ISK-C70-HB-22
HH-ISK-C80-HB-16
HH-ISK-C80-HB-22
HH-ISK-C100-HB-16
HH-ISK-C100-HB-22
HH-ISK-C120-HB-16
HH-ISK-C120-HB-22
HH-ISK-C150-HB-16
HH-ISK-C150-HB-22
HH-ISK-C200-HB-22
HH-ISK-C250-HB-22
HH-ISK-C300-HB-22
HH-ISK-C400-HB-22
Step-Down Transformer Housing Kit is compatible with all Disc Ballasts.
2012 Rev B Page 1
1.0 Installation Instructions Warnings
1. “THIS PRODUCT MUST BE INSTALLED IN ACCORDANCE WITH THE APPLICABLE INSTALLATION CODE
BY A PERSON FAMILIAR WITH THE CONSTRUCTION AND OPERATION OF THE PRODUCT AND THE
HAZARDS INVOLVED.”
2. "WARNING - Risk of fire or electric shock. Retrofit kit in stallation requires knowledge of fluorescent lighting luminaires
electrical systems. If not qualified, do not attempt installation. Contact a qualified electrician."
3. "WARNING - Risk of fire or elec tric shock. Install this kit only in the luminaires that has the construction features and
dimensions shown in the photographs and/or drawings."
4. "WARNING - To prevent wiring damage or abrasion, do not expo se wiring to edges of sheet metal or other sharp objects."
5. "This device is not intended for use with emergency exit fixtures or emergency exit lights."
6. Do not make or alter any open holes in an enclosure of wiring or electrical components during kit installation.
7. Please make sure the grounding conductor of the luminaire is properly secured to the Branch Circuit Grounding conductor.
8. “CAUTION – RISK OF FIRE. CONSULT A QUALIF IED ELECTRICIAN TO ENSURE CORRECT BRANCH
CIRCUIT CONDUCTOR.”
9. The assembly of this retrofit should be performed by a licensed electrician or equivalent as State or Provincial Codes and
Laws Dictate.
A
2.0 Original Fixture Parts
M
The original J-box of the Disc Ballast (Part: F) must be removed
before commencing the installation of the new Step-Down
Transformer Housing. See Fig #1
C
N
In order to start the Step-Down Transformer Housing installation,
make sure to save the items that are circled in Fig #1.
F
J
Fig #1
3.0 Tools
TOOL #
1
2
3
DESCRIPTION
P2 Phillips Screw Driver
11/32" Combination Wrench
3/8" Ratchet with Long 7mm Socket Wrench
QTY
1
1
1
Tool #1
Tool #2
Tool #3
2012 Rev B Page 2
4.0 Step-Down Transformer Housing Kit
Warning: Disconnect power when servicing fixture.
Fig #2
Step-Down Transformer Kit Parts:
Table #1
ITEM
B.
D.
E.
H.
I.
J.
O.
L.
G.
P/N
HHILPQ32840
Varies with Wattage
DESCRIPTION
Step-Down Transformer Housing
Step-Down Transformer Cover Lid
Step-Down Transformer Base Plate
Nylon 8-32x1” Phillips Pan Head Machine Screws
Nylon I.D .177” – O.D .408” Flat Washers
Nylon 8-32 Hex Nuts
Nylon Spacers 3/8” OD 3/8”L #8 Size Screw
M4-0.7X16mm Phillips Pan Head Machine Screws
Step-Down Transformer
QTY
1
1
1
4
8
4
4
2
1
Original Parts:
Table #2
ITEM
A.
C.
F.
K.
M.
N.
P/N
N/A
N/A
Varies with Wattage
N/A
N/A
N/A
DESCRIPTION
Disc Ballast Hook- Original
Hook Mount Plate- Original
Disc Ballast
M4-0.7 Hex Nuts- Original
M4-0.7X32mm Phillips Pan Head Machine Screws- Original
M4-0.7X14.75mm Phillips Pan Head Machine Screws- Original
QTY
1
1
1
2
2
2
2012 Rev B Page 3
5.0 Step-Down Transformer Housing Kit Assembly
E
E
Warning: Disconnect power when servicing fixture.
1.
Start by placing the Step-Down Transformer Base Plate (Part: E)
onto the original Disc Ballast J-box base plate. See Fig #3 and Fig
#4.
2.
Secure the Step-Down Transformer Base Plate (Part: E) by using
the two M4-0.7X14.75mm Phillips Pan Head Machine Screws
(Part: N). Use P2 Phillips Screw Driver (Tool #1) to tighten the
two M4-0.7X14.75mm Phillips Pan Head Machine Screws (Part:
N). See Fig #4.
3.
N
N
Fig #4
Fig #3
H
Place the four Nylon Spacers 3/8” OD 3/8”L #8 Size Screw (Part:
O) onto the Step-Down Transformer Base Plate (Part: E) slots as
shown in Fig #5.
G
I
4.
5.
Place Step-Down Transformer (Part: G) onto the four Nylon
Spacers 3/8” OD 3/8”L #8 Size Screw (Part: O) and insert the
four Nylon 8-32x1/2” Phillips Pan Head Machine Screws (Part:
H) and four Nylon I.D .177” – O.D .408” Flat Washers (Part: I)
into the four tabs of the Step-Down Transformer (Part: G). See
Fig #5 and Fig #6.
Secure the Step-Down Transformer (Part: G) to the Step-Down
Transformer Base Plate (Part: E) by using the four Nylon 8-32
Hex Nuts (Part: J) and four Nylon I.D .177” – O.D .408” Flat
Washers (Part: I). Use P2 Phillips Screw Driver (Tool #1) and
11/32” Combination Wrench (Tool #2) to tighten the hardware.
See Fig #5 and Fig #6.
O
E
I
J
F
Note: If the small (HHILSSD1125VA) Step-Down Transformer
(Part: G) is used just repeat steps- 4 and 5, but instead of using
four of each hardware use only two of each. Also make sure to
use the two outer holes in the Step-Down Transformer Mount
Plate (Part: E). See Fig #7.
Fig #5
G
H
G
I
H
E
I
O
I
O
I
J
Fig #7
J
E
Fig #6
2012 Rev B Page 4
5.1 Step-Down Transformer Hosing Kit Assembly
G
Warning: Disconnect power when servicing fixture.
6.
Connect the inner white and black output wires of the StepDown Transformer (Part: G) to the white and black input
wires of the Disc Ballast (Part: F) with 14 Gauge Wire Nuts.
Cap the unused input wire (Red or Blue) with a 14 Gauge
Wire Nut. See Fig #8 and Fig #9.
7.
Place the Disc Ballast Hook (Part: A) onto the Step-Down
Transformer Housing (Part: B) with the Hook Mount Plate
(Part: C) inside the Step-Down Transformer Housing (Part:
B). See Fig #10.
8.
Attach both, the Disc Ballast Hook (Part: A) and Hook
Mount Plate (Part: C) to the Step-Down Transformer
Housing (Part: B) by using the two M4-0.7X32mm Phillips
Pan Head Machine Screws (Part: M). See Fig #10.
9.
F
Fig #8
Secure all the parts and hardware by using the two M4-0.7
Hex Nuts (Part: K). Use P2 Phillips Screw Driver (Tool #1)
and 3/8" Ratchet with Long 7mm Socket Wrench (Tool #3)
to tighten the two M4-0.7 Hex Nuts (Part: K) and the two
M4-0.7X32mm Phillips Pan Head Machine Screws (Part:
M) . See Fig #11.
Fig #9
M
A
A
M
B
B
C
C
K
Fig #10
K
Fig #11
2012 Rev B Page 5
5.2 Step-Down Transformer Housing Kit Assembly
Warning: Disconnect power when servicing fixture.
B
B
D
10. Install the complete Step-Down Transformer (Part: B)
assembly to the original Disc Ballast J-box base plate and
line up the bottom flanges of the Step-Down Transformer
Housing (Part: B) with the flanges of the original Disc
Ballast J-box base plate. See Fig #12.
L
11. Slide the Step-Down Transformer Housing (Part: B) to the
side to secure in place. See Fig #12.
12. Insert the two tabs of the Step-Down Transformer Cover Lid
(Part: D) to the two holes in the Step-Down Transformer
Housing (Part: B) and Push the Step-Down Transformer
Cover Lid (Part: D) inward to close. See Fig #12 and Fig
#13.
L
Fig #12
Fig #13
13. Secure the Step-Down Transformer Cover Lid (Part: D) to
the Step-Down Transformer Housing (Part: B) by using the
two M4-0.7X16mm Phillips Pan Head Machine Screws
(Part: L). Use P2 Phillips Screw Driver (Tool #1) to tighten
screws. See Fig #14.
A
B
Note: Use either of the two knockouts shown in Fig #13 to
supply the main power to the Step-Down Transformer (Part:
G) device. Power can also be supplied by removing the Disc
Ballast Hook (Part: A) from the top of the Step-Down
Housing (Part #B). See Fig #14. The Disc Ballast Hook
(Part: A) can be removed by fi rst loosening the slotted grub
screw that is attached the Disc Ballast Hook (Part: A) and
then twisting it counter-clock wise.
6.0 Wiring Input Power
L
Fig #14
Connecting power to the Induction System:
1.
Connect the green wire (Ground) from the ballast to the green wire (Ground) that is being fed by the power source. Connect
these two wires by using a 14 Gauge Wire Nut.
2.
Connect the white wire (Neutral) from the Step-Down Transformer to the grey wire (Neutral) that is being fed by the power
source. Connect these two wires by using a 14 Gauge Wire Nut.
3.
Connect the red wire (Line) for 480V or the blue wire (Line) for 347V from the Step-Down Transformer to the orange wire
(Line) being fed by the power source. Connect these two wires by using a 14 Gauge Wire Nut. Cap off which ever wire is
not used with a 14 Gauge Wire Nut.
7.0 Warranty and Contact Information
Warranty
Please see our warranty policy on induction system.
2012 Rev B Page 6