Lett Single Pressure Control

Product Description

Introduction

Refrigeration equipment or air-conditioning equipment, automation systems of high and low limit control; The standard model for Freon, air, liquid and other non-corrosive media, Also can be used for ammonia refrigerant with a special specification. (Allowance fluid temperature -10 °C / 100 °C) Provide international standard mounting bracket, can be installed any position on the system. SPDT switch contact to ensure reliable conversion. Standard models of the products, the material of bellows is copper, the pressure interface is brass; for ammonia refrigerant pressure bellows and pressure interface stainless-steel material.

Model Specification

MODEL

RANGE
(bar)

DIFFERENTIAL
(bar)

FACTORY SETTING
(bar)

MAX. BELLOWS
PRESS
(bar)

Min.

Max.

Min.

Max.

Off

On

L 506

-0.5

6

0.6

4

3

2

16.5

L 506M

-0.5

6

≤1

3

Manuel Reset

16.5

L 530D

5

30

3

10

20

15

33

L 530M

8

30

≤5

20

Manuel Reset

33

Scale plate use “bar” and “psig” units; Could be used “mpa” , “kgf/m² units also as customer require. Connection could as customer require use British unit flare(E), solder (C) and capillary(S), such as HL506E; Ammonia refrigerant model added a code B, such as HLP506B.

Electric Rating

                     Rated Voltage (V)
Rated Amps (A)

125V

250V

24V

A.C.

A.C.

D.C.

Non-Inductive Current

20A

10A

10A

Industive

Full Load Current

15A

8A

8A

Current

Locked Roter

72A

64A

Connecting

Drawing                                                                           Connecting Form

Notice: Thread connection to use two wrenches to prevent damage to control weld joints. Can be directly with the control back four M4 screw installed in the unit; The multi-purpose; Panels can also be install.