andrews CWH60/300 - User Manual

Working towards
a c le ane r fu tu re
MAXXflo
In s ta lla tion g u id e , op e ra tion
a n d m a in te n a n c e m a n u a l
High Efficiency Condensing
S ta inless S teel S tora ge
W a ter Hea ters for
N a tu ra l G a s a nd P rop a ne
N a tu ra l G a s Mod e ls
CW H3 0 /1 0 0 , CW H3 0 /2 0 0 , CW H3 0 /3 0 0
CW H6 0 /2 0 0 , CW H6 0 /3 0 0
CW H9 0 /2 0 0 , CW H9 0 /3 0 0
CW H1 2 0 /2 0 0 , CW H1 2 0 /3 0 0
P rop a n e Mod e ls
L CW H3 0 /1 0 0 , L CW H3 0 /2 0 0 , L CW H3 0 /3 0 0
L CW H6 0 /2 0 0 , L CW H6 0 /3 0 0
L CW H9 0 /2 0 0 , L CW H9 0 /3 0 0
L CW H1 2 0 /2 0 0 , L CW H1 2 0 /3 0 0
This manual must be kept with the appliance J a n 2 0 0 9
P a rt N o. E2 8 1
MAXXflo_Manual_Dec08_QX2 12/1/09 1:13 pm Page 2

Summary

General and Safety Information

Health and Safety Regulations

Legal requirements for safe operation and user information.

Technical Details

Model Specifications

Table of key technical data for different MAXXflo models.

Heater Dimensions and Layouts

Installation

Location and Safety Requirements

Typical Installation Diagrams

Gas Supply Details

Details for Natural Gas and Propane supply requirements.

Gas Supply Connection Methods

Electrical Supply and Connection

Instructions for electrical connection, including terminal block details.

Wiring Diagram

Detailed schematic of the heater's electrical wiring.

Flue System Overview and Dimensions

Flue Terminal Positioning Rules

Air Supply and Ventilation

Heat Exchanger and Control Panel

Instructions for Commissioning

Setting Operating Temperatures

CO2 Adjustment for Combustion

Method for measuring and adjusting CO2 for optimal gas combustion.

Burner Adjustment Procedures

Steps to set and adjust burner performance at full and low load.

Fault Codes and Troubleshooting

Understanding and Resetting Fault Codes

Guide to identifying, interpreting, and resetting error codes.

Maintenance Procedures

Annual Service and Checks

Essential maintenance tasks to be performed annually.

andrews CWH60/300 Specifications

General

Category	Water Heater
Model	CWH60/300
Brand	Andrews
Power Rating	3 kW
Voltage	230 V
Frequency	50 Hz
Capacity	60 Litres
Thermostat	Adjustable
Installation	Wall-mounted