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3
IMPORTANT SAFETY
INSTRUCTIONS 4
INTRODUCTION 4
Concept of Operation 4
Y-200 Controller Configurations 5
Y-200 Options 5
INSTALLATION 6
Mechanical Installation 6
Electrical Installation 6
Controller Field Wiring 8
Communication Field Wiring 9
Air Temperature Sensor Installation 9
Water Temperature Sensor Installation 10
Power Test 11
Installation Verification Procedure 12
CONTROLLER
FAMILIARIZATION 12
Control Screens 13
Circuit Board Layout 15
Keypad 16
Control Screen Displays &
Programming 17
01 Initial Screen 17
02 Primary Parameters 17
03 Control Band 18
04 Offset 19
05 Holiday 20
06 Reset Ratio 20
07 System Status 22
08 Water Temperature 23
09 Outdoor Cut-Off Temperature 23
10 Outdoor Cut-Off Deadband 23
11 System Monitor 24
12 System Temperatures 24
13 Auxiliary Delay 25
14 Boiler/Stage On Delay 25
15 Boiler/Stage Off Delay 26
16 PID 26
17 System Temperatures 27
18 Lead Change Time 27
19 Password 28
20 Setup 28
21 System Test 29
22 Set Password 29
23 Water Temperature Limits 29
24 Master Unit 30
25 Slave Unit 31
26 LonWorks 31
27 Factory Defaults 31
28 User Defaults 32
29 Modem Password 32
30 Alarm Call Telephone 33
31 Alarm Call ID 33
32 Alarm Call Retry 33
33 Alarm Call Events 33
34 PID 34
Master Unit with Slaves 34
Y-200 Master/Slave Diagram 36
Sensor Resistance 37
Illustrated Parts List 38
WARRANTY 39
CONTENTS