©Johnstone Supply eCatalog 216

REFRIGERATION & AIR CONDITIONING Commercial Temperature Controls

System 350™ Series Temperature Stage Module • For use with A350, A350E, A350P and A350R

• Supply voltage: 24V power supply provided by A350 or Y350R Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

series modules to add multiple heating or cooling stage capability (room for up to nine additional stages)

Each

Order #

Mfg. #

Switch Action

Diff.

L37-527

S350AA-1C

SPDT

1° to 30°F

275.00

System 350™ Series Digital Temperature Display Module • 3-Digit LCD display provides continuous actual space temperature indication (local or remote) when used with A350, A350E, A350P and A350R modules • Supply voltage: 5VDC provided by the temperature control Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Each

Order #

Mfg. #

Range

L37-528

D350AA-1C

-30°F to +250°F

569.00

System 350™ Series Power Module • Provides unfiltered 24VDC power to System 350™ Controls • Input voltage: 120/240VAC, 50/60 Hz

Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Each

Order #

Mfg. #

L37-529

Y350R-1C

269.00

System 350™ Series Electronic Temperature Reset Control • Designed to raise or lower temperature of

(jumper selectable: OFF, 1, 2 or 3 minute), adjustable minimum (50°F to 160°F) and maximum (160°F to 220°F) supply temperature and selectable warm weather shutdown temperature (jumper selectable: OFF, 60, 64, 68 or 72°F) Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

supply water or air based on proportionate rise or drop in temperature at the master sensor • Use as a stand alone device or with plug-in accessory modules • A99BC-25C Master and A99BB-300C Supply sensors included • Adjustable master reset set-point (40°F to 70°F), minimum relay on-time selection

Each

Order #

Mfg. #

Switch Action SPST, N.O.

L37-852

A350RS-1C

1099.00

System 350™ Series Electronic ON/OFF Humidity Modules • Used in conjunction with the HE-67S3 0N0BT or HE-67S3-0N00P series of humidity transmitters to stage humidification and dehumidification • For use with S351 Stage, D351 Display and Y350R Power Modules • Supply voltage: 20 to 30VAC transformer or Y350R 120/140VAC Power Module • L37-854 does not come with a sensor • L44-523 is factory-equipped with HE-67S3 0N00P duct mount sensor • L41-797 used to add multiple staging capability, up to 5 stages (requires L37-529 power module) Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Each

Order #

Mfg. #

Switch Action

Range

Diff.

L37-854 L44-523 L41-797

W351AB-2C W351AA-2C S351AA-1C

SPDT SPDT SPDT

10 to 90% RH 10 to 90% RH 10 to 90% RH

2 to 10% RH 2 to 10% RH 2 to 10% RH

535.00 1799.00 435.00

1300

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