Powers SH1434 Triple Valve User Manual

Page 2

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1. Flush all piping thoroughly before installing.
2. Make sure all ball valve handles are in "OFF" position.
3. In order to make any temperature adjustment to the valves,

you must open end-of-line fixtures to ensure you have ade-

quate flow across the valve.

4. Use a thermometer at the showerhead or install an in-line

thermometer at the point-of-use.

Prior to Installation

2

SH1434TV & LFSH1434TV

1. Close the ball valve at the outlet of the SH1434 or LFSH1434

and MM434 or LFMM434 valve #2 & #3.

2. Open the ball valve at the outlet of the MM434 valve #1.
3. Open enough fixtures to meet the minimum flow requirement

of the MM434 or LFMM434 valve #1 as per table 2.

4. Set MM434 or LFMM434 valve #1 temperature (refer to IS-P-

MM430 if required).

5. Close ball valve at the outlet of the MM434 or LFMM434 valve

#1 and open the ball valve at the outlet of the MM434 or

LFMM434 valve #2. Repeat steps 3 and 4.

6. Close ball valve at the outlet of the MM434 or LFMM434 valve

#2 and open the ball valve at the outlet of the MM434 or

LFMM434 valve #3. Repeat steps 3 and 4.

7. Loosen the locknut at the top of the PRV. This must be all the

way out or you will be limiting range of the adjustment.

SH1434QV or LFSH1434QV

Table 2

1. Close the ball valve at the outlet of the SH1434 or LFSH1434

and MM434 or LFMM434 valve #2.

2. Open the ball valve at the outlet of the MM434 or LFMM434

valve #1.

3. Open enough fixtures to meet the minimum flow requirement

of the MM434 or LFMM434 valve #1 as per table 2.

4. Set MM434 or LFMM434 valve #1 temperature (refer to IS-P-

MM430 if required).

5. Close ball valve at the outlet of the MM434 or LFMM434 valve

#1 and open the ball valve at the outlet of the MM434 or

LFMM434 valve #2. Repeat steps 3 and 4.

6. Loosen the locknut at the top of the PRV. This must be all the

way out or you will be limiting range of the adjustment.

7. Adjust the PRV so the outlet pressure gauge (top) reads 15psi

less than the supply pressure gauge (bottom). Turning the

adjustment screw counterclockwise will increase the differ-

ential across the PRV (allowing the PRV to open later).

8. Close the ball valve at the discharge of the MM434 or

LFMM434 valve #2.

9. Open the ball valve on the outlet of the SH1434 or LFSH1434

valve.

10. Open enough fixtures to meet the minimum flow requirement

of SH1434 or LFSH1434 as per table 2.

11. Set SH1434 or LFSH1434 temperature (refer to IS-P- SH1430

if required).

12. Open all the ball valves at the outlets.
13. Verify outlet temperature remains at the set point.
14. For any problem, refer to Troubleshooting section of the

document or contact Powers' Technical Support Department

at 1.800.669.5430 or [email protected].

You must follow these procedures in order to properly adjust

your Hi/Lo System. You need flow greater than the minimum

shown in the capacity table across the valve in order to set a

maximum temperature.

Set Up Procedure

n

Installation Instructions

n

SH1434

#1 - MM434

#2 - MM434

SH1434 or

LFSH1434

#1 - MM434 or

LFMM434

#2 - MM434 or

LFMM434

Screw

Model

Min. Flow to ASSE 1017

MM434 and LFMM434

7 gpm (26 lpm)

SH1434 and LFSH1434

1 gpm (4 lpm)

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