Technical data

Page II
TECHNICAL DATA
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-818-1680 Email: techsvcs@vikingcorp.com
February, 2010
PREACTION SPRINKLER
SYSTEM
Table of Contents Page
I. SYSTEM DESCRIPTION 4
II. SYSTEM TYPES AND APPLICATIONS 8
A. Single Interlock Preaction System 8
1. Pneumatic Release 8
2. Hydraulic Release 8
3. Electric Release 8
B. Double Interlock Preaction System 18
1. Electric/Pneumatic Release 18
2. Pneumatic/Pneumatic Release 18
3. Electric/Pneu-Lectric Release 18
C. Non-Interlock Preaction System 28
1. Electric Release 28
2. Pneumatic Release 28
D. Trimpac
®
35
E. Trimpac
®
Surefi re
®
36
III. SYSTEM REQUIREMENTS 41
IV. PLACING THE SYSTEM IN SERVICE 55
V. PREACTION SYSTEM INSPECTIONS, TESTS, AND MAINTENANCE 55
A. Quarterly Waterfl ow Alarm Test 56
B. Quarterly Main Drain Test 56
C. Annual Trip Test 56
D. Maintenance 57
VI. REMOVING THE SYSTEM FROM SERVICE 60
VII. TROUBLESHOOTING VIKING PREACTION SYSTEMS 61
A. System Trouble 61
B. During Normal Power Supply Conditions, Faults, or Complete Loss of Power 62
C. Loss of Power During Operation 62
D. Troubleshooting System Components 62
1. PORV 62
2. Pneumatic Actuator 63