Design and Installation
06-236115-001 4-19 October 2014
4-2.5.5 Corner Pulley and Cable Limitations
Refer to Table 4-8 for corner pulley and cable length limitations.
4-2.5.6 Pressure Trip Limitations
The maximum load to be attached to pressure trip (P/N 81-874290-000) is 100 lb (45.3 kg),
based on a minimum pressure of 75 PSIG (5.17 bar gauge) at the pressure trip.
4-3 EQUIPMENT INSTALLATION
4-3.1 General
All Kidde ECS System equipment must be installed to facilitate proper inspection, testing,
manual operation, recharging and any other required maintenance as may be necessary.
Equipment must not be subject to severe weather conditions or mechanical, chemical or other
damage that could render the equipment inoperative. Equipment must be installed in
accordance with NFPA Standard 2001.
4-3.2 Distribution Piping and Fittings
4-3.2.1 Threads
Threads on all pipe and fittings must be tapered threads conforming to ANSI Specification 8-
20.1. Joint compound, tape or thread lubricant must be applied only to the male threads of the
joint.
4-3.2.2 Pipe
Piping must be of noncombustible material having physical and chemical characteristics, such
that its integrity under stress can be predicted with reliability. The latest version of the flow
calculation software program has only been verified for the specific types and schedule of pipe
and fittings covered in this manual. There is a risk that the system may not supply the required
quantity of agent in unbalanced systems when other pipe types and fittings are used.
Table 4-8. Corner Pulley and Cable Limitations
Control Head
Type
Part Number
Pulley
Max. Cable
Length
P/N 81-803808-000 P/N WK-844648-000 ft
Cable Operated 81-979469-000 15 30 100
Electric/Cable 81-895630-000 6 30 100
Electric/Cable 81-895627-000 6 30 100
Electric/Cable,
Explosion-Proof
WK-897494-000 6 30 100
Electric/Cable,
Explosion-Proof
WK-897560-000 6 30 100
WARNING
The HFC-227ea cylinder/valve assemblies must be handled, installed and
serviced in accordance with the instructions contained in this paragraph and
Compressed Gas Association (CGA) pamphlets C-1, C-6 and P-1. CGA pamphlets
may be obtained from: http://www.cganet.com. Failure to follow these
instructions can cause HFC-227ea cylinders to violently discharge, resulting in
severe injury, death and/or property destruction.
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