Velocity Raptor RPTR155, Installation And Operating Instructions Manual

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Appendix C - (continued)
Tools Needed:
•
1/2 inch open-end wrench
• Flat Head screwdriver
• Phillips head screwdriver, Standard and small
•
Small flat-head screwdriver
•
Pliers
• Adjustable wrench
• Electric drill with extension
VI
– General Installation Instructions

All connections in this kit require gaskets (included) and thread sealant (installer supplied).

Pipe assemblies are packed with hand-tight, pre-assembled unions. Remove these unions before re-attaching
them with gaskets at final connections.
VII
- Preparation

Connections to gas, electrical power and building heating system water piping should be completed using the instructions and
warnings in preceding sections of this manual.
1. Review all local codes to assure installation compliance.
2. Confirm that all electrical, water and gas supplies are shut off at sources.
3. Unpack and identify all parts. Retain all instructions.
IX
– DHW Section (on bench)
4. Unpack mixing valve and gather three remaining pipe assemblies. Identify hot water inlet, (H) cold water inlet (C ) and
mixed water outlet connections on mixing valve.
(See Figure C.3) Install copper elbow hot water inlet pipe (smallest pipe) to mixing valve. Shortest side should attach
to side connection marked “H” on mixing valve. Hand-tighten. Ensure gaskets from kit are properly installed.
Attach side branch of cold water inlet pipe to “C” connection on mixing valve. Hand-tighten.
Figure C.3: DHW Assembly Diagram
WARNING
Technicians must install, a boiler safety relief valve (SRV) per the preceding sections of this manual. These
Combi instructions offer an alternate SRV location. SRV components are supplied with the boiler.