HydroStat 3200-Plus User Manual

1
126 Bailey Road, North Haven, CT 06473 • Phone (203) 776-0473 • FAX (203) 764-1711 • www.hydrolevel.com
MODEL 3200-Plus
Temp Limit / LWCO Control
with Thermal Targeting
™
for Water Boilers
120 VAC Input / 24 VAC Burner Circuit
PATENT NO. 8,931,708; 8,844,834;
7,891,572; others pending
WARNING
Electrical shock hazard. To prevent electrical shock, death or
equipment damage, disconnect power supply before
installing or servicing control. Only qualified personnel may install or service this control in
accordance with local codes and ordinances. Read instructions completely before proceeding.
CAUTION
To prevent serious
burns, boiler
should be thoroughly cooled before installing or
servicing control.
WARNING
Frozen pipes/water damage. Central heating systems are prone to shut down as a result of power or fuel outages,
safety related fault conditions or equipment failure. Installation of freeze protection monitoring or other precautions
is recommended for unattended dwellings in climates subject to sustain below-freezing temperatures.
Three Function
Design
Temperature Limit Control
Designed for cold start and tankless
coil boilers.
Low Water Cut-Off
Provides protection against potentially
dangerous low water conditions
when installed with the Hydrolevel
Electro-Well™ (see page 2 for details).
Boiler Reset Control
•
Thermal Targeting – On-board micro-
processor adjusts boiler temperature
based on heating demand.
•
Outdoor Reset Ready – Compatible with
Hydrolevel OS-100 Outdoor Sensor Kit
(sold separately) for outdoor reset and
warm weather shut-down functionality.
INSTALLATION INSTRUCTIONS
and OPERATING MANUAL
• Saves Fuel – Features Thermal Targeting™ technology and
Thermal Pre-Purge capability
• Outdoor Reset Ready – Provides Outdoor Reset and Warm Weather
Shut-Down capability with the addition of Hydrolevel OS-100 Outdoor
Sensor Kit (sold separately)
• Universal Design – Replaces common cold-start and triple-action
Aquastats*
• Operating Indicators – LEDs, Dynamic Display and Test Button provide
continual and on-demand status checks
• Prioritizes Domestic Hot Water – Gives priority to low limit setting or to
calls from indirect water heater
• Reduces Condensation – Holds circulator off until boiler reaches 125°F
•
*Aquastat is a registered trademark of Honeywell International, Inc.
HydroStat 3200-Plus Instructions_ HydroStat Instructions.8pg 12/1/17 10:43 AM Page 1

HydroStat 3200-Plus Specifications

Power

input voltage	120 VAC, 60 HZ
burner contacts	30 VA @ 24 VAC
circulator contacts	5.8 FLA, 34.8 LRA@120 VAC

Operating Environment

operating range – low limit	Off or 110°F (43°C) - 200°F (93°C)
operating range – high limit	100°F (38°C) - 220°F (104°C)
thermostat heat anticipator setting	0.2A

Summary

INSTALLATION AND OPERATING MANUAL

Three Function Design

Details the control's three core functions: Temp Limit, LWCO, and Boiler Reset.

Safety Precautions

Important warnings regarding electrical shock, burns, and water damage.

IMMERSION WELLS

Installing with Electro-Well

Guide for installing with Hydrolevel Electro-Well for full functionality.

Installing with Standard Well

Guide for installing with a standard immersion well, noting limited LWCO functionality.

MOUNTING THE CONTROL

Control Mounting Procedure

Step-by-step instructions for physically mounting the control unit.

Remote Mounting Options

Information on available kits for mounting the control box in a remote location.

WIRING THE CONTROL

Basic Wiring Connections

Step-by-step guide for connecting power, burner, and circulator.

Vent Damper Wiring

Specific instructions for integrating a plug-in style vent damper.

WIRING FOR SPECIFIC SYSTEMS

Indirect Water Heater Wiring

Wiring details for prioritizing indirect water heater calls.

Zone Valve Wiring Requirements

Important notes on using separate transformers for zone valves.

SETTING THE CONTROL

Temperature Limit Settings

How to adjust the High Limit and Low Limit settings for boiler operation.

Economy Feature Adjustment

Guide to configuring the Economy Dial for fuel savings based on system zones.

SYSTEM START-UP AND OPERATION

Initial System Start-Up

Procedure for initial system startup and testing the high limit shut-off.

Thermal Targeting Technology

Explanation of how Thermal Targeting optimizes boiler temperature for efficiency.

OPTIONAL FEATURES

Thermal Pre-Purge Configuration

How to activate and set up the Thermal Pre-Purge feature.

Temperature Unit Selection

Guide to switching between Fahrenheit and Celsius display modes.

Manual Reset LWCO

Details on activating and testing the manual reset low water cut-off.

MORE OPTIONAL FEATURES

Circulator Activation Control

Options for controlling circulator activation based on call sources.

Circulator Hold Off Function

How to activate circulator hold-off for enhanced condensing protection.

Setting Well Type

How to configure the control for Electro-Well or standard immersion wells.

ADVANCED CONFIGURATION OPTIONS

High Limit Differential Adjustment

Selecting fixed differentials when the Economy feature is off.

Restoring Factory Defaults

Procedure to reset all control features to their default factory settings.

LED INDICATORS AND BUTTONS

Understanding LED Indicators

Explains the meaning of each LED on the control panel.

Using the Test/Settings Button

How to use the button to test functions and view settings.

Damper Power LED Explanation

Explanation of the Damper Power LED and associated troubleshooting.

MAINTENANCE AND TROUBLESHOOTING

Electro-Well Maintenance

Recommended procedure for cleaning the Electro-Well.

Common System Issues & Diagnosis

Addresses burner, hot water, and house warmth problems with diagnostic steps.

Low Water & Overheating Issues

Specific steps for diagnosing low water light and overheating conditions.

TROUBLESHOOTING FLOW CHART 1: BURNER WILL NOT FIRE

Burner Ignition Failure Diagnosis

A step-by-step flowchart to diagnose burner ignition failures.

TROUBLESHOOTING FLOW CHART 2: BURNER WILL NOT SHUT DOWN

Burner Shutdown Failure Diagnosis

A step-by-step flowchart to diagnose burner shutdown failures.

ELECTRO-WELLS DETAILS

HydroStat with Electro-Well Integration

How the HydroStat leverages the Electro-Well for full functionality.

Electro-Well Model Selection

Details on different Electro-Well models, including dimensions.

ACCESSORIES AND SPECIFICATIONS

Outdoor Sensor Kit Functionality

Explains how sensor kits enable outdoor reset and warm weather shutdown.

Control Specifications and Warranty

Lists technical specs and warranty information for the HydroStat.