HAZARD INTENSITY LEVELS
1. DANGER: Failure to comply will result in severe
personal injury or death and/or property damage.
2. WARNING: Failure to comply could result in severe
personal injury or death and/or property damage.
3. CAUTION: Failure to comply could result in minor
personal injury and/or property damage.
Optional Hanger Kits
Option Installation Form RZ-NA I-OPT-HK
(Version A.1)
Obsoletes Form I-OPT-HK Version A
APPLIES TO: Hanger Kit Options CK3,
CK7, CK8, CK9, CK10, CK19
Description/Application/Table of Contents
Description, parts listing, and illustrated instructions are provided for each hanger kit. These kits are designed
only for the models and applications described below. See the referenced heater installation manual for clear-
ances (top, sides, bottom, front, and rear), suspension dimensions, and weights. Suspension of the heater is the
responsibility of the installer.
Option
Kit
CK3
CK7
CK8
CK9
CK10
CK19
Description
Swivel Connections
for 1" Pipe for 4-pt
Suspension
4-pt Suspension
Conversion
Swivel Connections
for 2" pipe for 2-pt
Suspension
4-pt Suspension
Conversion Plus
Swivel Connections
Swivel Connectors
for 1" Pipe for 4-pt
Suspension
Alternate Sus
Points providing
nearly equal loading
at four points
ension
Use with
Models
(H)EEDU Duct
Furnace
F To add two hanger brackets for changing
UDAP; UDAS; F To adapt a unit with 2-pt suspension so
F To add two han
LDAP Packaged
Heaters; UDAP;
UDAS; UDBP;
UDBS; B; OH;
OB; RA; RAD;
and F with
optional 4-pt
suspension
B Suitable for units equipped with isolation
To adapt the duct furnace so that it may be
suspended from threaded 1" stationary
pipes.
from standard 2-pt suspension to 4-pt
suspension.
that it may also be suspended from two
threaded stationar
standard 2-pt suspension to 4-pt
suspension and adapt the unit so that it
may be suspended from four threaded 1"
stationary pipes.
To adapt a unit with 4-pt suspension so
that it may be suspended from four
threaded 1" stationary pipes.
vibration suspension and or seismic protectio n with lo nger than 10" rod hangers.
Option CK19 changes the suspension
points and suspension dimensions.
Application Page
y pipes.
er brackets to change from
Reference Heater Installation Manual
by Model
2 EEDU and HEEDU - Form RZ-NA I-
EEDU
2-3 F - Form RZ-NA I-F/B
3-4 UDAP and UDAS - Form RZ-NA I-
UDA
F - Form RZ-NA I-F/B
4 F - Form RZ-NA I-F/B
5-6 LDAP - Form RZ-NA I-LDAP
UDAP and UDAS - Form RZ-NA IUDA
UDBP and UDBS - Form RZ-NA IUDB
B and F - Form RZ-NA I-F/B
OH and OB - Form RZ-NA I-OH/OB
RA and RAD - Form RZ-NA IRA/RAD 140/235
RA and RAD - Form RZ-NA IRA/RAD 350/500
7-8 B - Form RZ-NA I-F/B
Other Ce iling Bracket for Unit Heaters - Option CK22 is available for small sizes of Models UDAP and UDAS.
Hanger See Supplemental Installation Form RZ-NA I-UD-CS.
Kits Infrared Models - Options CK11-CK18 are not included in this form. Options CK11-CK18 are hanging chain and
turnbuckle kits for tubular infrared heaters. For parts lists and instructions for hanger and turnbuckle kits, see Supplemental Installation Form RZ-NA I-VR-HK and/or RZ-NA I-VR/TRP/TR-TK. Hanging chain for infrared high intensity
heaters is Option UE1 or UE2. See Heater Installation Manual, Form RZ-NA I-RIH.
WARNING: The instructions in this sheet are written for adding new suspension points or
preparing a heater for suspension prior to installation. If your heater is installed, for your
safety, turn o the gas and the electric before adding or changing suspension. Follow the
instructions on the heater to restart. Check for proper operation.
Form I-OPT-HK (Version A.1), Mfg #98346 (Rev 4), Page 1
Option Kits and Instructions
OPTION CK3 Swivel Connectors
for Model Series
EEDU
CAUTION: Check to be
sure that all swivels turn
freely.
OPTION CK7 4-Point
Suspension for
Models F
This option is designed to add swivel connections to a Model (H)EEDU duct
furnace to suspend a single furnace from four 1" threaded stationary pipes.
Option CK3 (Package P/N 57959) includes:
Qty Description P/N
4 Swivel Connector Assy 9557
FIGURE 1
This option is designed to convert a Model F with standard 2-point suspension
to 4-point suspension.
Instructions
1. Remove lockwasher and nut
from swivel connector.
2. Put bolt down through hole in the
hanger bracket.
3. Attach securely with lockwasher
and nut.
4. Repeat on all hanger brackets.
Option CK7 (Package P/N 98508) includes:
FIGURE 2A
- Hanger Kit
Option CK7
Qty Description P/N
2 Hanger Bracket 96386
Assembly
(NOTE: Also applies to
obsolete Model FE.)
Installation Instructions for Option CK7
Tools Required - 5/16" Nut Driver
1. Remove the heater from the carton.
Remove the wooden crate bottom from the bottom of the heater.
Remove one of the heater outer side panels.
2. Remove the Factory-Installed Hanger Bracket Assembly
Remove the two screws that are holding the factory-installed hanger bracket
assembly to the heater. Re-insert the two screws (without the hanger bracket)
into the same holes in the heater inner side panel.
3. Determine the new locations for the two hanger bracket assemblies (one from
the kit and the one removed in Step 2). See FIGURE 2B.
FIGURE 2B - New
Bracket Locations
4. Install Hanger Bracket Assemblies - Remove the screw from the inner side
panel at one of the new locations. Position one of the hanger bracket assemblies
Form I-OPT-HK (Version A.1), Mfg #98346 (Rev 4), Page 2
so that the nut retainer is aligned with the clearance hole in the top of the side
panel. Insert the screw removed from the side panel through the center slotted
hole in the hanger bracket. Adjust the bracket so that it is tight against the top of
the heater. Tighten screw securely.
Following the same procedure, attach the other hanger bracket assembly at
the second location. Replace the outer side panel.
5. Remove the outer side panel from the opposite side and repeat Steps 2-4 on that
side.
6. Installation of the 4-point suspension hanger kit is complete. Since the crate bot-
tom has been removed, protect the bottom of the heater with plywood or other
appropriate material. If the bottom is not supported, the bottom access panel
could be damaged.
Follow the instructions in the heater installation manual to complete the
installation of your heater.
OPTION CK8 2-Pt Suspension
with Swivel
Connectors Models UDAP,
UDAS, and F
(NOTE: Model F instructions
also apply to obsolete Model
FE.)
CAUTION: Check to be
sure that all swivels turn
freely.
The purpose of this option is to adapt a Model F heater with standard 2-point
suspension so that it can be suspended using two 1", threaded stationary pipes.
Option CK8 (Package P/N 98509) includes:
FIGURE 3A Hanger Kit,
Option CK8
Qty Description P/N
2 Swivel Connector Assy 17627
2 3/8" Lockwasher 5197
Installation Instructions for Option CK8
Tools Required - 9/16" Open-End Wrench
Models UDAP and UDAS (FIGURE 3B)
1. Locate the threaded suspension holes in the top of the heater cabinet that are
used for 2-pt suspension (center holes).
2. Place a lockwasher over each hole.
3. Screw the swivel hanger connector assembly into the heater's cage nut retainer.
(The lockwasher must be between the top panel and the swivel hanger connector assembly.) Tighten firmly.
NOTE: If installing a Model UDAS, be certain that the unused suspension holes on
the control side are plugged. Follow the heater installation instructions.
FIGURE 3B Model UDAP
or UDAS
FIGURE 3C
- Model F
Do NOT
capture
outer panel; it must be
removable for future
service.
Model F (FIGURES 3C & 3D)
1. Locate the two hanger bracket holes in the top of the heater cabinet.
2. Place a lockwasher over the hole, being careful not to catch the cutout portion of
the painted side panel. The outer panel must remain removable for future service. See FIGURE 3C.
3. Screw the swivel hanger connector assembly into the hanger bracket. (The
lockwasher must be between the inner heater side panel and the swivel hanger
connector assembly). Tighten firmly. See FIGURE 3D.
Form I-OPT-HK (Version A.1), Mfg #98346 (Rev 4), Page 3