Watts POWERS HydroGuard LFG480 Series User manual

HydroGuard® Series LFG480 and LFE480

Lavatory Tempering Valve

Installation Instructions

IS-P-G480_E480

Approval n

Description n

Powers Series LFG480 & LFE480 are designed for lavatory

applications where the temperature of the hot water must be

controlled for safe, economic use. An advanced thermal actua-

tor quickly senses and compensate for outlet temperature fluc-

tuations induced by water temperature and pressure changes in

the supply line.

Specifications n

Maximum Operating Pressure: ............................ 125psi (861 kpa)

Maximum Hot Water Temperature: ........................... 180°F (82°C)

Minimum Hot Water Supply Temp.: .... 5°F (3°C) Above Set Point**

Hot Water Inlet Temperature Range: ......... 120 – 180°F (49-82°C)

Cold Water Inlet Temperature Range: .............. 40 – 80°F (4-27°C)

Temperature Adjustment Range: ................. 80 – 120°F (27-49°C)

Minimum Flow:

LFG480 .................................................. 0.25 gpm (1.0 lpm)

LFE480 .................................................. 0.50 gpm (1.9 lpm)

Listing: ................. ASSE 1070, IAPMO cUPC, and NSF 61-9 & 372

** With Equal Pressure

Flow Capacity n

LFE480-00Q LFE480-10Q

WARNING

Read this Manual BEFORE using this equipment.

Failure to read and follow all safety and use infor-

mation can result in death, serious personal injury,

property damage, or damage to the equipment.

Keep this Manual for future reference.

You are required to consult the local building and plumbing

codes prior to installation. If the information in this manual is

not consistent with local building or plumbing codes, the local

codes should be followed. Inquire with governing authorities

for additional local requirements.

WARNING

FAILURE TO COMPLY WITH PROPER INSTALLATION AND

MAINTENANCE INSTRUCTIONS COULD CONTRIBUTE TO

THE VALVE FAILURE, RESULTING IN INJURY AND/OR

DEATH.

TO ENSURE THE ACCURATE AND RELIABLE OPERATION OF

THIS PRODUCT, IT IS ESSENTIAL TO:

• Properly design the system to minimize pressure and

temperature variations.

• This valve is factory preset. However, it can be adjusted

to deliver scalding temperatures. Check outlet tem-

perature to ensure it does not exceed 105°F (41°C).

Make sure temperature limit stop is properly re-set to

maximum 105°F (41°C) following valve maintenance or

repair. Tampering with limit stop in any way may result

in scalding temperature causing serious bodily harm and/

or death.

WARNING

Need for Periodic Inspection and Yearly Maintenance:

Periodic inspection and yearly maintenance by a licensed con-

tractor is required. Corrosive water conditions, inlet temperatures

over 200°F (93°C), and/or unauthorized adjustments or repair

could render the valve ineffective for service intended. Regular

checking and cleaning of the valve’s internal components and

check stops helps assure maximum life and proper product

function. Frequency of cleaning and inspection depends upon

local water conditions.

PSI

0 10 20 30 40 50 60 70 80 90 100

E480

G480

Certified to

NSF/ANSI/CAN 61-9 & 372

ASSE 1070

This product meets the reduced Q test statistic criteria of

0.5 ppb for lead per Section 9.5.1.1 of NSF/ANSI/CAN 61.

Temperature Adjustment n

1. Loosen locknut.

2. Turn on fixture and run water for at least two minutes to allow

supply temperature to stabilize.

3. Turn temperature stem counter-clockwise for hotter or

clockwise for colder outlet temperature.

4. Tighten locknut to prevent accidental or unauthorized

temperature adjustment.

5. Re-check outlet temperature.

Repair Kit n

Motor Repair Kit: ................................................................ 480 270

To Install n

1. Installation should be in accordance with acceptable plumb-

ing practices. Flush all piping thoroughly before installation.

Installation and field adjustment are the responsibility of the

installer.

2. Locate suitable place for the tempering valve. Valve should

be accessible for service and adjustment and as close to

the point-of-use as possible.

3. Connect hot and cold supplies to valve and outlet of tem-

pering valve to fixture (s) using 1/2" or 3/8" compression

connections.

4. Turn on hot and cold water supplies. If any leaks are

observed, tighten connections as necessary to stop leaks

before proceeding.

5. Turn on fixture and allow water to flow for 2 minutes.

Measure water temperature at the outlet. If water is not at

desired temperature, adjust as necessary (see temperature

adjustment section). Maximum outlet temperature of 105°F

(41°C) is recommended.

Typical Installation

USA: T: (888) 432-8932 • PowersControls.com

Canada: T: (888) 208-8927 • PowersControls.ca

Latin America: T: (52) 55-4122-0138 • PowersControls.com

Warranty n

The Seller warrants that the equipment manufactured by it and covered by this order or contract is free from defects in material and workmanship and, without charge, equipment found to be defec-

tive in material or workmanship will be repaired, or at Seller’s option replaced F.O.B. original point of shipment, if written notice of failure is received by Seller within one (1) year after date of shipment

(unless specifically noted elsewhere), provided said equipment has been properly installed, operated in accordance with the Seller’s instructions, and provided such defects are not due to abuse or

decomposition by chemical or galvanic action. THIS EXPRESS WARRANTY IS IN LIEU OF AND EXCLUDES ALL OTHER WARRANTIES, GUARANTEES, OR REPRESENTATIONS, EXPRESS OF IMPLIED.

THERE ARE NO IMPLIED WARRANTIES OF MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR PURPOSE. The Seller assumes no responsibility for repairs made on the Seller’s equipment unless

done by the Seller’s authorized personnel, or by written authority from the Seller. The Seller makes no guarantee with respect to material not manufactured by it.

WARNING: This product contains chemicals known

to the State of California to cause cancer and birth

defects or other reproductive harm.

For more information: www.watts.com/prop65

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