Cancels: New
IIK 548-36-14
9/1/94
Installation and Operating Instructions
Part Number CRSTATUS001A00
PACKAGE USAGE AND CONTENTS
PART NUMBER
QUANTITY
ITEM
LF32GF097
1
Plastic Cap
AL48AM217
2
Screws
50HJ500288
1
Control Tube (16 in.)
50HJ500301
1
Control Tube (32 in.)
HK06WC027
1
Pressure Switch
IMPORTANT: Read these instructions completely be-
fore attempting to install the accessory fan/filter status
switch.
INSTALLATION
NOTE: The fan/filter status switch can be installed to moni-
tor indoor fan status (ON/OFF) or filter status (CLEAN/
DIRTY). Follow the procedure below and perform the steps
necessary to install the pressure switch for the desired
application (as either a fan status switch or a filter status
switch, but not both).
Turn off unit power. Electrical shock and personal in-
jury could result.
1. Remove the filter access door. No tools are required. Save
door.
2. Remove the pressure switch assembly from the carton.
Attach the 32-in. plastic control tube to the pressure switch
on the port nearest to the electrical connections. See
Fig. 1.
3. Filter Switch
Attach the 16-in. plastic control tube to the pressure switch
on the port nearest to the mounting bracket. See Fig. 1.
Fan Switch
Attach the plastic cap to the pressure switch on the port
nearest to the mounting bracket. See Fig. 1.
4. Attach the pressure switch assembly to the uppermost
portion of the inner flange of the corner post with 2 screws
provided. See Fig. 1.
5. Route the 32-in. control tube through the slot in the coil
baffle next to the harness assembly. The end should be
loose in the indoor fan area. See Fig. 1.
6. Filter Switch
Suspend the 16-in. tube over the return air opening. See
Fig. 1.
7. Connect the 2 gray wires routed with the economizer
wiring harness assembly to the terminals on the pres-
sure switch. See Fig. 2.
Fig. 1 — Fan/Filter Status Switch Installation
(Top View of Typical Rooftop Unit Shown)
Small Rooftop Units
Gas Heating/Electric Cooling
and Electric Cooling Units
3 to 12
1
⁄
2
Tons (50/60 Hz)
Accessory Fan/Filter Status Switch
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1
1
1
4
4
4
Tab
1a 1b 5a 5a 6a 6b
PC 111
Catalog No. 564-809
Form 48/50-28SI
Pg 1
9-94
Replaces: New
