Rinnai EHFA250T36 User Manual

Rinnai 3 EHFA/EHFD HW IM

TABLE OF CONTENTS

Warnings & Safety 5

Regulatory �� 5

Notice To Victorian Consumers �� 5

Safety �� 6

Hydrogen Gas �� 6

Water Temperature �� 6

Scald Hazards �� 6

Safety Devices �� 7

Pressure & Temperature Relief (PTR) Valve �� 7

Expansion Control Valve (ECV) �� 7

Important Information 8

Anode �� 8

Water Quality �� 8

Operational Overview �� 8

Turning Water Heating System ‘OFF’ �� 8

Turning Water Heating System ‘ON’ �� 8

Draining �� 8

Care & Maintenance 9

Save A Service Call �� 9

Periodic Maintenance & Servicing �� 9

Specications 10

Appliance Components �� 10

Table 1� Dimensions & Weight ��11

Table 2. Ratings & Other Specications ��11

InstallationMethods 12

Hot Water Plumbing System Example - No TLD �� 12

Hot Water Plumbing System Example - With TLD �� 12

Hot Water Plumbing system Example / Flow & Return Pipe Work - No TLD �� 13

Hot Water Plumbing System Example / Flow & Return Pipe Work - With TLD �� 13

Installation 14

Location �� 14

Water Quality �� 14

Mains Pressure �� 14

THERMOSTAT SETTING �� 15

Reducing The Risk Of Scalding �� 15

Plumbing Connections �� 15

Connections to the water heater �� 15

Water Pipes �� 15

Pressure and Temperature Relief (PTR) Valve �� 16

Expansion Control Valve (ECV) �� 16

Pressure Limiting Valve (PLV) �� 16

Relief Valve Drain Lines �� 16

Electrical Supply �� 17

Electrical Connections �� 17

Wiring Diagrams �� 18

Thermostat Setting �� 18

Commissioning 19

To ll & turn ‘ON’ the water heater �� 19

To turn ‘OFF’ the water heater �� 19

Contacts 20

Rinnai EHFA250T36 250L Hotflo Electric Hot Water Storage

User Manual - Page 3