Siemens RWD Series Application Manual Download

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Application Guide Quick Reference

RWD Controllers 44U/45U/62U/68U

Document Number 125-3511
March 28, 2005

Table 3. RWD44U Controller Application Numbers.

Main Loop

H = Heating
C = Cooling
Cr = Compressor
RV = Reversing valve

Auxiliary Loop

#1x (2H & 2C)

#2x (3-stage Cr + RV cool)

# 3x (3-stage Cr + RV heat)

#x0 (Standby)

#10

#20

#30

#x1 (Remote setpoint)

#11

#21

#31

#x2 (Alarm)

#12

#22

#32

#x3 (Filter alarm)

#13

#23

#33

#x4 (Comp. shift)

#14

#24

#34

#x5 (Avg. X1, X2)

#15

#25

#35

#x6 (Win/Sum digital)

#16

#26

#36

#x7 (Win/Sum analog)

#17

#27

#37

#x8 (Sensor select)

#18

#28

#38

#x9 (Active input)

#19

#29

#39

Table 4. RWD44U Controller Input Configurations – X1, X2, and D1.

Applications 10 Through 39

D1 Options

Filter Alarm

Alarm

Day/Night

Standby

#x0 (Standby)

Main

Standby

♦

–

#x1 (Remote setpoint)

Main

Remote setpoint

♦

#x2 (Alarm)

Main

Alarm

♦

–

♦

#x3 (Filter alarm)

Main

Filter alarm

–

♦

#x4(Comp. Shift)

Main

Compensation

♦

#x5 (Avg. X1, X2)

Main

♦

#x6 (Win/Sum Digital)

Main

Win/Sum

♦

#x7 (Win/Sum Analog) Main

Win/Sum

♦

#x8 (Sensor select)

Main Main

♦

#x9 (Active input)

Main

Standby

♦

–

Table 5. RWD44U Controller Output Configurations – Digital Outputs Q1, Q2, Q3, and Q4.

Application
Numbers

Q2 Q3 Q4

10 through 19

Heating Stage 2 (H2)

Heating Stage 1 (H1)

Cooling Stage 1 (C1)

Cooling Stage 2 (C2)

20 through 29
30 through 39

Reversing Valve (RV)

Compressor Stage 1 (Cr1)

Compressor Stage 2 (Cr2)

Compressor Stage 3 (Cr3)

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Siemens Building Technologies, Inc.

Summary of Contents for RWD Series

Page 1: ...nd characteristics required In this example four digital outputs are required Select the RWD44U Controller see Table 1 Table 1 Controller Models Outputs Controller Model Analog 0 to 10 Vdc Digital RWD82U 0 2 RWD62U 2 0 RWD68U 1 1 RWD44U 0 4 RWD45U 1 4 2 Determine the main control loop Select an application number based on the output characteristics For the RWD44U Controller main control loop 1X ap...

Page 2: ...t Configurations X1 X2 and D1 Applications 10 Through 39 D1 Options X1 X2 Filter Alarm Alarm Day Night Standby x0 Standby Main Standby x1 Remote setpoint Main Remote setpoint x2 Alarm Main Alarm x3 Filter alarm Main Filter alarm x4 Comp Shift Main Compensation x5 Avg X1 X2 Main Main x6 Win Sum Digital Main Win Sum x7 Win Sum Analog Main Win Sum x8 Sensor select Main Main x9 Active input Main Stand...

Page 3: ...C Eco Heat 5x 3 stage Cr RV cool Eco Heat 6x 3 stage Cr RV heat Eco Heat x0 Standby 40 50 60 x1 Remote setpoint 41 51 61 x2 Alarm 42 52 62 x3 Filter alarm 43 53 63 x4 Comp shift 44 54 64 x5 Avg X1 X2 45 55 65 x6 Win Sum Digital N A N A N A x7 Win Sum Analog N A N A N A x8 Sensor select 48 58 68 x9 Active input 49 59 69 Main Loop H Heating C Cooling Cr Compressor RV Reversing valve Ind Independent ...

Page 4: ...Win Sum Digital N A N A N A x7 Win Sum Analog N A N A N A x8 Sensor select Main Main Eco x9 Active input Main Standby Eco For Applications 14 24 and 34 the X2 sensor outside air temperature is used for both economizer and compensation shift Applications 70 Through 99 D1 Options X1 X2 X3 Filter Alarm Alarm Day Night Standby x0 Standby Main Standby Ind x1 Remote setpoint Main Remote setpoint Ind x2 ...

Page 5: ...cation Numbers Main Loop H Heating C Cooling SP Setpoint First digit Main control loop Second digit Auxiliary control loop SP SP SP SP SP SP Auxiliary Loop 1 H Sequence 2 H H Sequences 3 H C Sequences 4 C Sequence 5 C C Sequences x0 No auxiliary 10 20 30 40 50 x1 Remote setpoint 11 21 31 41 51 x2 Absolute limiter 12 22 32 42 52 x3 Relative limiter 13 23 33 43 53 x4 Comp shift 14 24 34 44 54 x5 Cas...

Page 6: ...oling sequence output is set to Direct Acting default This is typically used for normally closed valves Output can be set to reverse acting by changing the MIN and MAX value Table 11 RWD82U Controller Application Numbers H Heating C Cooling 3P 3 position 1st digit Main Control Loop 2nd digit Auxiliary Control Loop Main Loop Auxiliary Loop 1x H H Dependent 2x H H Independent 3x H 3 Position 4x H C ...

Page 7: ...ve explanation x MAX Value to start Limiter cooling x x MIN Value to start Limiter heating x x XP h P band in Limiter heating x x XP c P band in Limiter cooling x x TN h Integrating time heating x x x TN c Integrating time cooling x x x COMP start point heating reverse acting x COMP end point heating reverse acting x Adjustment in heating reverse acting x COMP start point cooling direct acting x C...

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