HydroTherm HC-85 User Manual

HCD2-501
42-9156 REV. 1
AA
AA
AA
HYDROTHERM
IN UNITED STATES: 260 NORTH ELM ST., WESTFIELD, MA 01085 (413) 564-5515/FAX (413) 568-9613
IN CANADA: 5211 CREEKBANK ROAD, MISSISSAUGA, ONT. L4W 1R3 (905) 625-2991/FAX (905) 625-6610
MODEL HC-D SERIES
INSTALLATION,
OPERATION &
MAINTENANCE
MANUAL & REPLACE-
MENT PARTS MANUAL
Gas-Fired Cast Iron Water Boilers
65,000 to 165,000 Btuh Input
Intermittent Pilot & Vent Damper
SECTION 1: BOILER INSTALLATION
Introduction ...............................................................2
Step 1: Locating & Setting the Boiler ........................3
Step 2: Installing/Purging Water Piping.....................4
Step 3: Venting the Boiler..........................................6
Step 4: Installing/Testing Gas Piping ........................8
Step 5: Wiring the Boiler ...........................................9
SECTION 2: START-UP & OPERATION
Safety Controls........................................................15
Start-Up & Adjustments...........................................15
SECTION 3: MAINTENANCE
Water Treatment......................................................18
Freeze Protection ....................................................18
Before Each Heating Season.................................. 18
How To Change Orifices..........................................19
Troubleshooting.......................................................19
Appendix A (French Vent Damper Translation)....... 20
Replacement Parts List ......................................... 21
MEA# 90-77-E

HydroTherm HC-85 Specifications

General

Brand	HydroTherm
Model	HC-85
Category	Boiler
Language	English

Summary

Section 1: Boiler Installation

Introduction

Provides an overview of the boiler installation process.

Step 1: Locating & Setting the Boiler

Details procedures for choosing the boiler's location and setting it up.

Step 2: Installing & Purging Water Piping

Covers the installation and purging of the boiler's water piping system.

Step 3: Venting the Boiler

Explains the procedures for properly venting the boiler system.

Step 4: Installing & Testing Gas Piping

Outlines the steps for installing and testing the gas piping for the boiler.

Step 5: Wiring the Boiler

Provides instructions on the electrical wiring of the boiler.

Section 2: Start-Up & Operation

Safety Controls

Describes the safety features and controls of the boiler, such as spill and rollout switches.

Start-Up & Adjustments

Details the procedures for starting up the boiler and making necessary adjustments.

Section 3: Maintenance

Water Treatment

Discusses the importance and recommendations for water treatment in hydronic systems.

Freeze Protection

Covers methods and considerations for protecting the system from freezing.

Before Each Heating Season

Provides a checklist for pre-season inspection and maintenance of the boiler.

How To Change Orifices

Explains the procedure for changing the gas orifices for proper gas input.

Troubleshooting

Addresses common issues like no heat, insufficient heat, overheating, noise, and flame problems.

Replacement Parts List

Lists available replacement parts with their corresponding part numbers and model compatibility.