Use And Care Manual

ManualsBrandsWestinghouse ManualsPlumbing8.2 GPM High Efficiency Liquid Propane Tankless Water Heater with Built-in Recirculation and Pump

whl-590 Rev. 003 Rel. 003 Date 3.22.18

G. Installer Mode

Installer Mode will activate when button is pressed and held for ve seconds while the water heater display is powered O.

Figure 53 - Installer Mode Screens

Display Default Detail Description

0:RC

Recirculation Pump

Operation

: Recirculation Pump is not used. (Recirculation and Preheat Modes are OFF.)

: Title 24 Mode (Required in California, Optional in other states). Recirculation

Mode requires a switch or motion sensor to activate.

: Preheat Mode is used. The water heater automatically turns on and meets the

DHW setpoint temperature when the internal temperature falls below the dierential

setting (15:So).

: Internal Recirculation Mode - Internal Recirculation Pump is used.

: External Recirculation Mode - External Recirculation Pump is used.

1:EH E0.00

Error history up to 10 Check ten most recent Error Codes (E0 - E9)

2:cE OFF

Clear Error History Select “ON” to Clear Error History. Range: ON or OFF

3:In OFF

System Reset

(Factory Setting)

Select “ON” to restore system to default factory settings

(Burner operation time, Ignition cycles, and Supply power time will not be reset.)

Range: ON or OFF

4:FH 00

Maximum Fan Speed Adjusts maximum fan speed. Range: -30 to +30

5:FL 00

Minimum Fan Speed Adjusts minimum fan speed. Range: -30 to +30

6:dr NO

Reset Burner Operation

Time

Select “YES” to Reset Burner Operation Time

Range: YES or NO

7:dl NO

Reset Ignition Cycle

Select “YES” to Reset Ignition Cycles

Range: YES or NO

8:Cn 0

Cascade Address

Range: 0 (Master), 1 (follower 1), …., 20 (follower 19). Default: 0.

NOTE: “9:cP” needs to be set with total number of units in the cascade parameter before

setting “8: cn” NOTE: The Master water heater must always be addressed 0.

9:CP 1

Cascade Parameter

Number of Units Cascaded

Range: 01 - 20

10:CI 01

Minimum Operating

Number for Cascade

Units

Selects how many cascaded units will operate simultaneously when a DHW demand is

initially received.

Range: From 1 to Total Number of Units Cascaded

11:Eh OFF

Factory Setting Factory Setting - DO NOT CHANGE

12:Cr

Auto Auto

Automatic Rotation

(default)

The rst unit to operate when there is a DHW call is the unit that ran the least amount of

time during the prior heat calls (burner ON time).

Cr:Ct 48

Cascade Rotation Time

NOTE: If unit is set to run continuously, this parameter must be set, NOT Automatic Rota-

tion (Cr:at) to ensure even unit run time. Range: 0 - 240 Hours

13:HA 0-2

High Elevation Mode

This water heater may be installed at elevations up to 10,000 feet and operate on either

Natural or LP. The appliance will de-rate by 4% for each 1000 feet above sea level. Select the

appropriate installation location as described below.

Selects Installation Location for Proper Water Heater Operation at Altitude:

0-2 for installation locations from sea level to 1999 feet

2-5 for locations from 2000 to 4999 feet

5-8 for locations from 5000 to 7999 feet,

8-10 for locations from 8000 to 10000 feet

Default: 0 – 2

NOTE: Use a combustion analyzer to ensure CO and CO2 are within the ranges shown in this

manual. Adjust the oset screw in the clockwise (positive) or counterclockwise (negative)

directions (approximately 1/8 turn) if the measured CO2 value on LOW FIRE is out of range.