_____________________
TSI and TSI logo are registered trademarks of TSI Incorporated.
SureFlow is a trademark of TSI Incorporated.
MODEL 8635 SUREFLOW
™
ROOM PRESSURE MONITOR
INSTALLATION INSTRUCTIONS
WARNING:
The Model 8635 Room Pressure Monitor must be wired to 24 VAC only. Wiring the unit to
110 VAC will cause serious damage to the unit and void the warranty.
The pressure sensor must be mounted through the wall between the controlled space
(laboratory) and referenced space (hallway).
These installation instructions guide the installer through the installation of the TSI Model 8635 SureFlow™
Room Pressure Monitor. Please read these instructions thoroughly before beginning installation.
This product is classified by Underwriters Laboratories, Inc.
®
for use in through-penetration
firestop systems. See UL fire resistance directory.
Figure 1: Typical Installation
Component List
Part Number
Qty
Description
800326
1
Pressure sensor
800248
1
Sensor cable
800222
1
Room pressure monitor
800420
1
Transformer
800414
1
Transformer cable
1901057
2
Intumescent ring
2923020
1
Fire sealant
