Adp UH Series User Manual

Page 1
Shipping and Packing List ..............................................2
UHRS-030/105 Compact Unit Dimensions.....................3
Compact Unit Parts Arrangement ...................................4
UHCM-125/200 Standard Unit Dimensions ....... ............5
UHCM-250/400 Standard Unit Dimensions ........ ...........6
Standard Unit Parts Arrangement...................................7
Optional Accessory .........................................................8
Requirements in USA .....................................................8
Requirements in Canada ................................................8
Additional Requirements ................................................9
Unit Heater Installation ...................................................9
Combustion and Ventilation Air.....................................12
Rotation of Combustion Air Inducer - 125/150.............. 11
Venting.......................................................................... 12
Electrical Connections ..................................................17
Gas Connection ...........................................................22
Leak Check ..................................................................23
Unit Start-Up ................................................................23
To Turn O󰀨 Gas to Unit ................................................24
Heating Sequence of Operations ................................24
Ignition Control LED ....................................................25
High Altitude Adjustments ............................................25
Gas Flow .....................................................................24
Gas Pressure Adjustments ..........................................25
Limit Control Switch ......................................................26
Louver Vane Adjustment ..............................................26
Combustion Air Pressure Switch .................................26
Flame Roll-out Switch ..................................................26
Service..........................................................................26
Start-Up and Performance Checklist ........................... 27
Table Of Contents
WARNING
Improper installation, adjustment, alteration, service or
maintenance can cause property damage, personal injury
or loss of life. Installation and service must be performed
by a licensed professional installer (or equivalent), service
agency or the gas supplier.
CAUTION
As with any mechanical equipment, personal injury can
result from contact with sharp sheet metal edges. Be
careful when you handle this equipment.
INSTALLATION
INSTRUCTIONS
UH(RS,CM)
30,000 to 400,000 Btuh Series
UNIT HEATERS
507938-05
7/2021
Supersedes 507938-04
Note - Unit heaters are designed for indoor use only.
RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
WHAT TO DO IF YOU SMELL GAS:
Do not store or use gasoline or other
cinity of this or any other appliance.
formed by a qualified installer, service
agency or the gas supplier.
Do not try to light any appliance.
Leave the building immediately.
Do not touch any electrical switch; do not use
any phone in your building.
Immediately call your gas supplier from a
neighbor's
structions.
If you cannot reach your gas supplier, call the
fire department.
FIRE OR EXPLOSION HAZARD.
Failure to
ly could result in serious injury, death,
or property damage.
WARNING
Be sure to read and understand the
structions in this manual.
ation, service or maintenance can cause
serious injury, death or property damage.

Adp UH Series Specifications

General

Type	Unit Heater
Ignition Type	Direct Spark Ignition
Hertz	60 Hz
Phase	1
Motor Type	PSC or ECM
Power Supply	Electrical
Power Consumption	Varies by model
Dimensions	Varies by model
Weight	Varies by model

Summary

Shipping and Packing List (30-105 Units)

Shipping and Packing List (125-400 Units)

UHRS-030 / 105 DIMENSIONS

PARTS ARRANGEMENT 030K THRU 105K BTUH

UHCM-125/200 DIMENSIONS

UHCM-250/400 DIMENSIONS

PARTS ARRANGEMENT 125K THRU 400K BTUH

Optional Accessory

Requirements in USA

Requirements in Canada

GARAGE/WAREHOUSE INSTALLATIONS

Installation requirements for garages and warehouses, including clearance and temperature considerations.

AIRCRAFT HANGER INSTALLATIONS

Installation requirements for aircraft hangars, specifying minimum clearances.

RESIDENTIAL INSTALLATIONS

Guidelines for installing units in residential garages or non-confined living spaces.

Additional Requirements

Unit Heater Installation

UHRS-30/105 Installation Details

Specific installation instructions and mounting for UHRS-30/105 models.

Combustion Air Inducer Rotation (UHCM-125/150)

Procedures for rotating the combustion air inducer on specific UHCM models.

Combustion and Ventilation Air

Venting

Vertical Venting with Metal Pipe

Guidelines for vertical vent pipe installation in commercial and residential applications.

Horizontal Venting Requirements

Rules and recommendations for horizontal vent termination and pipe lengths.

Masonry Chimney Venting

Additional requirements for venting units using lined masonry chimneys.

REMOVAL OF UNIT FROM COMMON VENT

Electrical Connections

Thermostat Wiring

Instructions for connecting thermostat wiring to the unit's control board.

Line Voltage Wiring

Procedures for making high voltage power connections to the unit.

Gas Connection

Leak Check

Unit Start-Up

Gas Valve Operation Guide

Instructions for operating White Rodgers 36H and 36G series gas valves for start-up.

To Turn Off Gas to Unit

Heating Sequence of Operation

Gas Flow Measurement

Supply Gas Pressure Adjustment

Ignition Control LED Indicators

High Altitude Adjustments

Supply Pressure Measurement

Service and Maintenance

Limit Control Switch

Information on the factory-set limit control switch, which is not field-adjustable.

Louver Vane Adjustment

Instructions for rotating louvers to direct airflow as needed for the application.

Combustion Air Pressure Switch

Details on the combustion air pressure switch and its function for ignition trials.

Flame Rollout Switch

Information on the normally closed flame rollout switch that opens on temperature rise.

Burner Maintenance

Procedures for cleaning and maintaining the unit's burners for optimal performance.

Flue Passageway and Flue Box Inspection

Combustion Air Inducer Check

Guidelines for checking and cleaning the combustion air inducer under normal conditions.

Electrical System Check

Procedures for checking electrical wiring connections, voltage, and amperage draw.

Flue and Chimney Joint Check

Inspection of vent and vent connector joints for tightness and blockages.

Failure to Operate Troubleshooting

Safety Shut-Off Valve Test

Repair Parts Ordering

Start-Up and Performance Checklist

ADP Unit Heater Limited Warranty