Dometic Blizzard NXT H541816A User Manual

Read these instructions carefully. These
instructions MUST stay with this product.
USA
SERVICE OFFICE
Dometic Corporation
1120 North Main Street
Elkhart, IN 46514
SERVICE CENTER &
DEALER LOCATIONS
Please Visit:
www.eDometic.com
This Unit is designed for OEM installation. All initial installations must be approved by Dometic Corporation.
RECORD THIS INFORMATION FOR FUTURE
REFERENCE:
Model Number
Serial Number
ADB Model Number
ADB Serial Number
Date Purchased
REVISION B
Form No. 3316201.000 11/17
(French 3316202.000_B)
©2017 Dometic Corporation
LaGrange, IN 46761
Roof Top Unit (Quiet Zone Ducted Application)
Description Blizzard NXT
TM
Model
Board Built In Thermostat Optional Indoor
Temperature
Sensor
Air Conditioner
CCC 2 Controls H541815A
H541816A
Board Built In 3314082.000 CCC 2-Blk
3314082.011 CCC 2-Wht
3311931.000-20′
3311931.012-40′
3311931.020-60′
LCD SZ Controls H541915A
H541916A
Board Built In 3313192.000 C/F-Wht
3313192.019 C/F-Blk
N/A
Heat Pump
CCC 2 Controls H551816A Board Built In 3314082.000 CCC 2-Blk
3314082.011 CCC 2-Wht
3311931.000-20′
3311931.012-40′
3311931.020-60′
LCD SZ Controls H551916A Board Built In 3313193.000 C/F/HP-Wht
3313193.017 C/F/HP-Blk
N/A
INSTALLATION
INSTRUCTIONS

Dometic Blizzard NXT H541816A Specifications

General

Brand	Dometic
Model	Blizzard NXT H541816A
Category	Air Conditioner
Language	English

Summary

Introduction

Important Safety Instructions

A. Recognize Safety Information

B. Understand Signal Words

C. Supplemental Directives

D. General Safety Messages

Installation Instructions

A. Choosing Proper Location For Unit

B. Roof Preparation

Instructions for preparing the RV roof, including cutting and framing the opening for the unit.

D. Wiring Requirements

Outlines the necessary wiring for 120 Vac power, 12 Vdc supply, and thermostat communication cables.

E. Choosing Thermostat Location

F. Thermostat, Optional Indoor Temperature Sensor & Thermostat Communication Cable Installation

Explains the installation process for thermostats and sensors, including cable connections and termination.

G. Placing Unit On Roof

Instructions for safely lifting and positioning the unit onto the prepared roof opening, ensuring proper gasket seal.

H. (CCC 2 System Only) Configuration

Explains how to configure the unit using dip switches for various equipment options like zones and heat strip.

1. Electronic Control Configuration

Details specific dip switch settings for zones, heat strip, and furnace for CCC 2 systems.

I. 120 Vac Power Supply Connection

Step-by-step guide for connecting the main 120 Vac power supply to the unit, including wire preparation.

J. LCD SZ System Low Voltage Wire Connections

K. CCC 2 System Low Voltage Wire Connections

L. Securing Unit To Roof

Details how to properly secure the unit to the roof structure using mounting hardware and ensuring structural integrity.

M. (LCD SZ System Only) System Checkout

N. (CCC 2 System Only) Reset & Checkout

Wiring Diagrams

B. Unit Wiring Diagrams

1. H541815A & H541816A Wiring Diagram

2. H541915A & H541916A Wiring Diagram

3. H551816A Wiring Diagram

4. H551916A Wiring Diagram