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Schneider Electric RKS Series Single/Dual Transmitter Input Receiver Controllers

Single/Dual Transmitter Input Receiver Controllers
RKS Series

For use in conjunction with remote proportional transmitters for proportional control of pneumatic actuated dampers, valves, etc., in air conditioning systems. The transmitter-receiver-controller system may be used to control temperature, humidity, or pressure.

• Nozzle and flapper relay-type receiver controllers.
• Linear, stable and responsive.
• Models available for one, two or three inputs.
• Mounting provided for two (1/8 NPT) 1-1/2 in. stem-mounted receiver-gauges and two 1-1/2 in. stem-mounted pressure gauges.
• Barbed fittings for 1/4 in O.D. plastic tubing.
• Setpoint scales available to match transmitter ranges. Model No.

Select a link under the "item" tab below to order.

Cat #DescriptionsTypeRemote SPAActionªAuthoritybProportional Band
RKS-5001Single inputOne PipeNoneD.A./R.A.None4% to 40% of input transmitter span adjustable
RKS-1001Single inputTwo PipeNoneD.A./R.A.None2-1/2% to 40% of primary (input 1) transmitter span adjustable
RKS-2001Single inputTwo Pipe± 10% of primary transmitter spanD.A./R.A.None2-1/2% to 40% of primary (input 1) transmitter span adjustable
RKS-3002Dual inputcTwo PipeNoneD.A./R.A.10% to 200% of primary (input 1) transmitter span adjustable2-1/2% to 40% of primary (input 1) transmitter span adjustable
RKS-4002Dual inputcTwo Pipe± 10% of primary transmitter spanD.A./R.A.10% to 200% of primary (input 1) transmitter span adjustable2-1/2% to 40% of primary (input 1) transmitter span adjustable
RKSR-4000Replacement single or dual inputTwo Pipe± 10% of primary transmitter spanD.A./R.A.10% to 200% of primary (input 1) transmitter span adjustable2-1/2% to 40% of primary (input 1) transmitter span adjustable
Receiver-controller: Forced balanced pneumatic amplifier
Setpoint: Adjustable, qF, qC, in. water, mm water, % relative humidity labels (included with controller)
Proportional band: Field adjustable (refer to Model Chart)
Input signals: 3 to 15 psig (21 to 103 kPa). Maximum input pressure 30 psig (207 kPa)
Output air signal: 0.5 psig (3.4 kPa) to supply air pressure -0.5 psig (-3.4 kPa).
Action: Direct. Field changeable to reverse (refer to Model Chart)
Authority:
RKS-3002, -4002, RKSR-4000: Field adjustable (refer to Model Chart)
RKS-1001, -2001, -5001: None
RKS-5001: Can be used as a 1:1 reverse acting relay to reverse a transmitter signal to obtain direct reset when used as a signal into input 2 of RKS-3002, RKS-4002, or RKSR-4000
Ambient temperature limits :
Shipping and storage: -40 to 150qF (-40 to 65qC)
Operating: 40 to 150qF (4 to 65qC)
Humidity: 10 to 98% RH, non-condensing
Supply air pressure: Clean, oil free, dry air required (reference EN-123)
Nominal: 20 psig (138 kPa)
Minimum: 18 psig (124 kPa)
Maximum: 30 psig (207 kPa)
Air connections :
Tubing: Barb connectors for 1/4 in. O.D. plastic tubing
Gauge ports: Integral for AKS-6000 Series gauges (except for the RKS-5001)
Air consumption for sizing air compressor :
RKS-1001, 2001, 3002, 4002, RKSR-4000: 13.8 scim (3.8 mL/s) plus 41.5 scim (11.4 mL/s) for each transmitter and remote setpoint.
RKS-5001: 41.5 scim (11.3 mL/s)
Air capacity for sizing air mains :
RKS-1001, 2001, 3002, 4002, RKSR-4000: 16 scim (4.4 mL/s) plus 36 scim (13.2 mL/s) for each transmitter and remote setpoint
RKS-5001: 48 scim (13.1 mL/s)
Cover: Order separately, except RKSR-4000 factory supplied, refer to Accessories. Used when mounting
receiver-controllers remote from cabinet or where susceptible to damage
Mounting: Upright on surface of wall or panel.
Dimensions:
RKS-1001 through 4002,RKSR-4000: 5-23/32 H x 7 W x 4 D in. (145 x 178 x 102 mm)
RKS-5001: 4 H x 3-3/4 W x 2-1/2 D in. (102 x 95 x 64 mm)


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