Maintenance
06-236115-001
5-15
October 2014
5-8
REINSTALLING AN HFC-227ea CYLINDER
Installing an HFC-227ea Cylinder. Install HFC-227ea cylinders as follows:
5-8.1
Single Cylinder System
1. Position the HFC-227ea cylinder in the designated location. Secure it in place with a cylinder
strap or wall bracket and mounting hardware. Orient the cylinder with the valve outlet an-
gled toward the cylinder discharge piping (refer to the installation drawings).
2. Remove the safety cap from the cylinder valve outlet port.
3. Immediately reconnect the valve outlet adapter or flexible discharge hose to the cylinder
outlet port.
4. Remove the protection cap from the HFC-227ea cylinder actuation port.
5. Install the control head.
6. If required, install the supervisory pressure switch, as instructed in Paragraph 4-3.21.
5-8.2
Multiple Cylinder System
1. Position the HFC-227ea cylinders in the designated locations. Secure it in place with a cyl-
inder strap or wall bracket and mounting hardware. Orient the cylinder with the valve outlet
angled toward the cylinder discharge piping (refer to the installation drawings).
2. Remove the safety caps from the cylinder valve outlet ports.
3. Immediately reconnect the flexible discharge hoses or valve outlet adapters to the cylinder
valve outlet ports.
4. Remove the protection cap from the master cylinder adapter port (if used) and reconnect
the tubing to the slave port on the master cylinder. Tighten the swivel nut.
5. Remove the protection caps from the HFC-227ea cylinder valve actuation ports.
6. Reinstall electric and pressure operated control heads with flexible actuation hoses or tub-
ing on the cylinder valve actuation ports. Tighten the swivel nuts.
7. If required, install the supervisory pressure switches as explained in Paragraph 4-3.21.
WARNING
Discharge hoses or valve outlet adapters must be connected into system piping
(union connection) before attaching to cylinder valves.
WARNING
The control head must be in the SET position (that is, the actuating pin must be
in the fully retracted or SET position) before being attached to the cylinder
valve. Control heads not in the SET position will cause discharge of HFC-227ea
when installed on the cylinder valve.
WARNING
Discharge hoses or valve outlet adapters must be connected into system piping
(union connection) before attaching to cylinder valves.
WARNING
The control head must be in the SET position (that is, the actuating pin must be
in the fully retracted or SET position) before being attached to the cylinder
valve. Control heads not in the SET position will cause discharge of HFC-227ea
when installed on the cylinder valve.
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