Reliance 940DHRS - Manuals

Residen al Electronic Thermostat Electric Water Heater Use and Care Guide • 5 Properly adjusted Thermosta c Mixing Valves installed at each point-of-use al-low you to set the tank temperature to a higher se ng without increasing risk of scalds. A higher temperature se ng allows the tank to provide m...

6 • Residen al Electronic Thermostat Electric Water Heater Use and Care Guide GET TING STARTED GET TING S TAR TED Figure 1 -   Flexible connectors use compression fittings and do not require soldering. Figure 2 -   Use a non-contact circuit tester to insure that the power is off before you work on a...

Residen al Electronic Thermostat Electric Water Heater Use and Care Guide • 7 INSTALLATION IMPORTANT: Follow these steps for proper installa on: Step 1: ✓ Verify that your home is equipped and up-to-date forproper opera on Installing a new water heater is the perfect me to examine your home’s plumbi...

8 • Residen al Electronic Thermostat Electric Water Heater Use and Care Guide INSTALLATION BACKGROUND: Water expands when heated, and the increased volume of water must have a place to go, or thermal expansion will cause large in-creases in water pressure (despite the use of a Pressure Reducing Valv...

Residen al Electronic Thermostat Electric Water Heater Use and Care Guide • 9 Step 2: Verify that the loca on is appropriate Before installing your water heater, ensure that: 1 The water heater will be: • Installed indoors close to the center of the plumbing system.• In a suitable drain pan piped to...

10 • Residen al Electronic Thermostat Electric Water Heater Use and Care Guide INSTALLATION 7 Turn the cold water supply valve OFF. 8 Open the drain valve on the water heater. Figure 10 -   Draining the old water heater. 9 Also open a hot water faucet to help the water in the tank drain faster. 10 W...

DO NOT CONNECT ELECTRICAL WIRING UNTIL YOU ARE INSTRUCTED TO DO SO. NOTICE: Connec ng electrical power to the tank before it is completely full of water (water must run FULL STREAM from a hot water tap for a full three minutes) may cause the upper hea ng element to burn out. Connect the Tempera-ture...

Install shuto ff and tempering valves 1 If one is not already installed, install a manual shuto ff valve in the cold water line that supplies the water heater. Install the shuto ff valve near the water heater so that it is readily accessible. Only use valves that are compa ble with potable water. Use o...

Residen al Electronic Thermostat Electric Water Heater Use and Care Guide • 13 NOTICE: Most water heater models contain energy saving heat traps in the inlet and outlet connec ons to avoid the circula on of hot water within the pipes during standby. Do not remove the heat traps. 3 Connect the hot wa...

14 • Residen al Electronic Thermostat Electric Water Heater Use and Care Guide INSTALLATION Make electricalconnec ons WARNING! Working on an ener- gized circuit can result in severe injury or death from electrical shock. NOTICE: Although this water heater is equipped with Dry-Fire protec on, be sure...

Residen al Electronic Thermostat Electric Water Heater Use and Care Guide • 15 INS TALLA TION Step 10: Installing the Leak Detec on Sensor The leak detect sensor (LDS) does not provide protec on against a water leak, it only provides no fi ca on that water is present in the loca on of the sensor. Wh...

16 • Residen al Electronic Thermostat Electric Water Heater Use and Care Guide OPERA TION OPERATION General Opera on (Control Assembly) IMPORTANT: On the ini al start up of the unit, the water heater will go through a seven (7) to ten (10) minute diagnos c period prior to hea ng the water. NOTICE: I...

Residen al Electronic Thermostat Electric Water Heater Use and Care Guide • 17 OPERA TION Opera ng Mode Descrip ons If locked, the opera ng modes can be changed by holding the ENTER bu on for approximately 3 seconds, then touching the desired mode icon on the control assembly (See Figure 21). STANDA...

CONTROL ASSEMBLY DIAGNOSTIC CODE CHART ERROR CODE INDICATES CORRECTIVE ACTION* No Error Code Displayed Not Enough Hot Water High usage, plumbing leak, operating mode adjustment. 1. Check for plumbing leak. 2. Adjust temperature; see scald warnings on heater and in manual.3. Contact a qualified perso...

22 • Residen al Electronic Thermostat Electric Water Heater Use and Care Guide TROUBLESHOOTING WARNING! Working near an energized circuit can result in severe injury or death from electrical shock. WARNING! When you are fi nished, be sure all covers are secured to reduce the risk of fi re and electr...

Residen al Electronic Thermostat Electric Water Heater Use and Care Guide • 23 Insu ffi cient Hot Water or Slow Hot WaterRecovery WARNING! Because of the in- creased risk from scalding, if you set the water heater’s thermostat higher than 120°F, Thermosta c Mixing Valves at each point-of-use are par c...

24 • Residen al Electronic Thermostat Electric Water Heater Use and Care Guide TROUBLESHOOTING Drips from T&P Relief Valve Discharge Pipe A small amount of water dripping from the Temperature and Pressure (T&P) Relief Valve usually means the home’s water pressure is too high or you need a pr...

Residen al Electronic Thermostat Electric Water Heater Use and Care Guide • 25 MAINTENANCE MAINTENANCE Rou ne Maintenance Rou ne maintenance will help your water heater last longer and work more e ffi ciently. If you can’t perform these rou ne maintenance tasks yourself, contact a quali fi ed person. ...

26 • Residen al Electronic Thermostat Electric Water Heater Use and Care Guide MAINTENANCE months of opera on when you drain and fl ush the tank. Replace the anode rod if it is substan ally worn out or depleted. Therea er, inspect the anode rod annu-ally or more frequently if needed. If you use a wa...

Residen al Electronic Thermostat Electric Water Heater Use and Care Guide • 27 WARNING! Be sure the water runs cool before draining the tank to reduce the risk of scalding. 4 Connect a garden hose to the drain valve and place the other end of the hose in a drain or outside (or use buckets). Turn OFF...

28 • Residen al Electronic Thermostat Electric Water Heater Use and Care Guide MAINTENANCE Figure 40 -   Non-Contact Circuit Tester 3 Remove the upper control assembly or lower access panel on the water heater and carefully fold back the insula on and plas c element/thermostat cover. 4 The replaceme...

DIAGRAMS Thermostat Wiring Diagram JUNCTION BOX BLACK RED BLACK RED BLACK BLUE YELLOW HI-TEMP LIMIT SWITCH UPPER THERMOSTAT LOWER THERMOSTAT UPPER HEATING ELEMENT LOWER HEATING ELEMENT UPPER THERMOSTAT UPPER ELEMENT LOWER THERMOSTAT LOWER ELEMENT 120 V 1500*20002500300035004000450050005500 15203030 ...

Repair Part Illustra on REP AIR P A R T S REPAIR PARTS 13 1 2 3 4 5 10 7 8 4 9 6 11 12 14 15 16 17 18 Quick Release to re move valve body ITEM No. PARTS DESCRIPTION 1 CONTROL ASSEMBLY 2 UPPER THERMOSTAT COVER 3 UPPER ELEMENT 4 ELEMENT GASKET 5 UPPER THERMOSTAT/ECO 6 ACCESS DOOR 7 LOWER THERMOSTAT CO...