Airxcel ROUGHNECK 48000 Series User Manual

INSTALLATION, OPERATION AND
MAINTENANCE INSTRUCTIONS FOR 48000
ROUGHNECK SERIES AIR CONDITIONERS
P/N: 1980-022 02-25-2016
RV Products Division
These instructions are a general guide for installing the 48000 ROUGHNECK Series Coleman-Mach roof top air
conditioners. For specic air conditioner details, it will be necessary to refer to ALL printed documents supplied with
this conditioner.
IMPORTANT NOTICE
These instructions are for the use of qualied individuals specially trained and experienced in installation of this type
equipment and related system components.
Installation and service personnel are required by some states to be licensed. PERSONS NOT QUALIFIED SHALL
NOT INSTALL NOR SERVICE THIS EQUIPMENT.
NOTE: The words “Shall” or “Must” indicate a requirement which is essential to satisfactory and safe product
performance. The words “Should” or “May” indicate a recommendation or advice which is not essential and not
required but which may be useful or helpful.
WARNING! – SHOCK HAZARD To prevent the possibility of severe personal injury or equipment damage due
to electrical shock, always be sure the electrical power source to the appliance is disconnected.
CAREFULLY FOLLOW ALL INSTRUCTIONS AND WARNINGS IN THIS BOOKLET TO
AVOID DAMAGE TO THE EQUIPMENT, PERSONAL INJURY OR FIRE.
WARNING! Improper installation may damage equipment, can create a hazard and will void the warranty.
The use of components not tested in combination with these units will void the warranty, may make the equipment
in violation of state codes, may create a hazard and may ruin the equipment.
TABLE OF CONTENTS
I.
General Information 2
II.
Air Conditioning Sizing 2
III.
Selecting an Installation Location 2
IV.
Installing the Roof Top Unit 2
V.
Electrical Wiring 4
VI.
Installing Optional Heater Accessory 5
VII.
Installing Ceiling Assembly (9400 Series) 5
VIII.
System Checkout 5
IX.
Operation and Maintenance 9
i. General Information 9
ii. Control Panel 9
iii. Operation 10
iv. Maintenance 10
v.
Wall Thermostat Identication and Operation
11
vi. Warranty Service 11
X.
Optional Extended Warranty 24

Airxcel ROUGHNECK 48000 Series Specifications

General

Fan Motor	1/3 HP
Phase	Single
EER Rating	9.0
Refrigerant	R-410A
Cooling Capacity	48, 000 BTU/hr
Power Supply	AC
Voltage	208/230V

Summary

General Information and Unit Inquiries

OEM Information and Dealer Responsibility

Ensure all documentation is presented to the product consumer by the dealer.

Inquiries About the A/C Unit

Provide model and serial numbers for inquiries to Airxcel, Inc.

Air Conditioning Sizing and Location

Air Conditioning Sizing

Understand vehicle heat gain and its effect on cooling capacity.

Selecting an Installation Location

Inspect roof for support and avoid interference with existing structures.

Installing the Roof Top Unit

Safety Precautions for Installation

Disconnect all power to the vehicle before cutting into it.

Roof Opening Preparation

Field fabricate frame for openings smaller or larger than specified dimensions.

Mounting the Unit

Secure unit using mounting frame, gasket, and bolts for proper compression.

Electrical Wiring and Heater Accessory

Electrical Wiring Installation

Follow specifications and codes for routing and sizing 115 VAC wiring.

Installing the Optional Heater Accessory

Position heater assembly and secure with bracket if installed.

Ceiling Assembly and System Checkout

Installing the Ceiling Assembly

Follow step-by-step instructions for connecting wiring and securing components.

System Checkout

Evaluate performance by reviewing unit operation characteristics.

Operation and Maintenance Instructions

General Information and Sizing

Sizing generators and understanding vehicle heat gain.

Control Panel Operation

Explains selector switch, thermostat, and louvers for unit control.

Operating Modes

Details cooling, heating, and fan-only modes.

Maintenance Procedures

Filter cleaning and replacement importance for unit performance.

Wall Thermostat Operation

Refer to separate manual for wall thermostat operation.

Warranty Service Information

Contact dealer or Airxcel for warranty service.