Inspections, Tests And Maintenance - Viking ESFR Technical Data Manual

Page 38
The Viking Corporation, 210 N Industrial Park Road, Hastings MI 49058
Telephone: 269-945-9501 Technical Services 877-384-5464 Fax: 269-945-4495 Email: techsvcs@vikingcorp.com
E. Inspections, Tests and Maintenance
Operate and test the Supervisory Pressure Switch after installation, prior to start-up, and periodi-
cally as required in the Viking technical data pages, the installation standards, and/or the Authority
Having Jurisdiction. Quarterly testing of Pressure Supervisory Switches is recommended. Refer
to ESFR Cold Storage System data page 45a-j for testing requirements and procedures.
NOTICE: The owner is responsible for maintaining the fire-protection system and devices in
proper operating condition. For minimum maintenance and inspection requirements, refer to
NFPA 25 and Viking's ESFR Cold Storage System Manual.
1. Periodic Test and Maintenance
Caution: For auxiliary equipment controlled by operation of the switch, take the steps nec-
essary to prevent unwanted operation or shutdown of those devices when testing.
Warning: Any system maintenance that involves placing a control valve or detection
system out of service may eliminate the fire-protection capabilities of that system. Prior
to proceeding, notify all Authorities Having Jurisdiction. Consideration should be given to
employment of a fire patrol in the affected areas.
1. Refer to Viking technical data page 45a-j and the ESFR Cold Storage System Manual
for testing and maintenance instructions.
2. If test is satisfactory, reset all necessary equipment, and place the system in service.
2. Supervisory Switch Adjustment
Consult the ESFR Cold Storage System technical data pages for recommended pressure
settings for each location where the Supervisory Pressure Switch is installed on the sys-
tem. The switches are factory set. If adjustment is necessary, proceed according to the
instructions given below.
1. If the unit is in the locked state, "Loc" is indicated briefly when you try to change param-
eter values, press (in Run mode) both setting buttons for 10 seconds. As soon as the
indication goes out, the unit is unlocked.
2. Verify pressure settings of the switch.
3. Test for proper operation of the device.
4. The unit can be electronically locked to prevent unwanted adjustment of the set param-
eters; Press (in Run mode) both setting buttons for 10 seconds. As soon as the indica-
tion goes out, the unit is locked. With the unit in the locked state, "Loc" is indicated briefly
when you try to change parameter values.
5. Reset all necessary equipment and place the system in service. Refer to the ESFR Cold
Storage System technical data pages.
TECHNICAL DATA
March 7, 2008
ESFR PRE-PRIMED SINGLE
INTERLOCK PREACTION
COLD STORAGE SYSTEM