Slant/Fin VSL-160C - User Manual

Part # 819506000-R00 Printed in U.S.A. 513 PUBLICATION VSL-40 rev.B
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INSTALLATION INSTRUCTIONS
DIRECT-VENT SEALED COMBUSTION CONDENSING BOILER
HOT WATER MODEL VSL-160B & VSL-160C (COMBI BOILER)
GAS-FIRED BOILER FOR NATURAL AND L.P. PROPANE GASES
VSL Boiler
®
CUS
®
LLC
This manual must be left with owner and should be
hung on or adjacent to the boiler for reference.

Summary

INSTALLATION INSTRUCTIONS

SAFETY INSTRUCTIONS

GENERAL SAFETY WARNINGS

Crucial warnings about fire, explosion, and personal injury risks.

OPERATING SAFETY GUIDELINES

Key safety precautions to follow before and during boiler operation.

4 - FUNCTION OVERVIEW

4.1 - INTENDED USE AND FUNCTIONS OF THE BOILER

Describes the boiler's designed purpose and operational capabilities.

5 - INSTALLATION - LOCATION

5.1 - CHOOSING THE INSTALLATION LOCATION

Details criteria for selecting an appropriate installation site.

6 - INSTALLATION - MOUNTING THE BOILER

6.1 - MOUNTING THE BOILER

Provides instructions for securely mounting the boiler unit.

10 - INSTALLATION - VENT AND COMBUSTION AIR

10.2 - PREVENT COMBUSTION AIR CONTAMINATION

10.3 - VENTING AND AIR PIPING SYSTEMS

11 - INSTALLATION - GAS SUPPLY

11.1 - GAS SUPPLY PIPING

11.4 - CHECK INLET GAS SUPPLY

12 - START-UP

12.1 - OPERATING

Steps to follow before and during initial boiler operation.

12.5 - START-UP OF THE BOILER

Step-by-step guide for initiating boiler operation.

13 - USE

13.7 - ADJUSTING THE DOMESTIC HOT WATER TEMPERATURE

How to set domestic hot water temperature.

13.10 - OUTDOOR RESET ADJUSTMENT

13.18 - DIAGNOSTICS

14 - MAINTENANCE

14.1 - CARE AND MAINTENANCE

14.3 - CLEANING THE BURNER AND PRIMARY HEAT EXCHANGER

14.6 - CONDENSATE TRAP CLEANING

MAINTENANCE DIAGNOSTICS

Troubleshooting steps for common maintenance-related issues.

Slant/Fin VSL-160C Specifications

General

Model	VSL-160C
Category	Boiler
Type	Hot Water
Fuel Type	Natural Gas
Input BTU/hr	160, 000
Vent Size	4"
Water Connection	1 1/4" NPT