2014 Locke Supply Co.

PRESSURE CONTROLS

HEAD PRESSURE FAN CyCLING CONTROL SINGLE POLE HIGH PRESSURE HEAD PRESSURE FAN CyCLING

Limited Knob Adjustment

Max. Bellows Pressure PSIG (kPa)

Range PSIG (kPa)

Ship. Wt. Lb.

Differential (PSI)

Pressure Connector 36" Cap. with 1/4" Flare Nut

Switch Action

Locke#

Model#

100 to 400 (690 to 2758)

Min. 35 (241) Max. 200 (1379)

L4451

None

500 (3447)

2.3

P70AA118 Close High Open Low

P70 SERIES SINGLE POLE LOW PRESSURE

MICRO-SET FOR R-12, R-22, R-500, R502

Max. Bellows Pressure PSIG (kPa)

Ship. Wt. Lb.

Limited Knob Adjustment

Range PSIG (kPa)

Differential (PSI)

Pressure Connector

Locke#

Model# Switch Action

12" to 80 (-40 to 345)

Min. 5 (34) Max. 35 (241)

36" Cap. w / 1/4" Flare Nut

L4453 P70AB12 Close High Open Low

Cutoff

500 (3447)

2.4

"ALL RANGE" FOR R-12, R-22, R-500, R502

1/4" Male Flared Conn. 36" Cap. w/ 1/4" Flare Nut 36" Cap. w/ 1/4" Flare Nut

L4454

P70AB1

Cutoff

2.3

20" to 100 (-68 to 690)

Min. 6 (41) Max. 50 (345)

L

L4455

P70AB2 Close High Open Low

Cutoff

325 (2241)

2.4

| HVAC

L4456

P70CA1

None

2.3

SINGLE POLE DUAL PRESSURE These controls are supplied less mounting brackets. If brackets are required, order kit number BKT38A-600R which contains five 271-51 angle mounting brackets w/ screws. Shipping Weight: 3.0 Lbs. TO ORDER: Specify Kit Number only.

L4461

L4460

MICRO-SET FOR R-12, R-22, R-500, R502

Range PSIG kPa) 12" to 80 (-40 to 345)

Max.Bellows Press. PSIG (kPa) 500 Low 475 High (3447 Low) (3275 High)

Ship. Wt. Lb.

Differential (PSI)

Pressure Connector

Limit Knob Adjustment

Locke#

Model# Switch Action

Range

Differential

100 to 425 (690 to 2930)

36" Cap. w/ 1/4" Flare Nut

Min. 5 (34) Max. 35 (241)

Under 300PSIG, 55 PSI: Over 300PSIG, 65 PSI

L4460

P70LB6 SPST

Cutout

3.1

"ALL RANGE" FOR R-12, R-22, R-500, R502

20" to 100 (-68 to 690)

Min. 6 (41) Max. 50 (345) Lockout Man. Reset

100 to 425 (690 to 2930)

Under 300 PSIG, 55 PSI:Over 300 PSIG, 65 PSI Lockout (Requires Manual Reset)

325 Low 50 High (2241 Low) (3103 High)

36" Cap. w/ 1/4" Flare Nut

L4461

P70LB1 SPST

Cutout

3.1

Credit: 405-631-9756

471

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