Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53480277-01
Printed in U.S.A.
Form 48-50LCB-7-26-02T Rev. A
Pg 1
3-2020 Replaces: 48-50LCB-7-26-01T
Controls, Start-Up, Operation and
Troubleshooting
CONTENTS
Page
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 2
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
SENSOR/ACCESSORY INSTALLATION . . . . . . . . . . 3
Sensors and Accessories . . . . . . . . . . . . . . . . . . . . . 7
User Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Install Analog Sensors . . . . . . . . . . . . . . . . . . . . . . . . 7
• RELATIVE HUMIDITY SENSORS (SPACE OR DUCT
Installing Discrete Inputs . . . . . . . . . . . . . . . . . . . . . 14
• SINGLE ENTHALPY (OUTDOOR ENTHALPY)
Communication Wiring . . . . . . . . . . . . . . . . . . . . . . . 15
• I-VU BUILDING AUTOMATION SYSTEM
Service Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
• COMPRESSOR 1 AND COMPRESSOR 2 TEST
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Supply Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Economizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Enthalpy Control . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Space Air Quality . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Power Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Supply Air Tempering . . . . . . . . . . . . . . . . . . . . . . . .24
Demand Controlled Ventilation . . . . . . . . . . . . . . . .24
Demand Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Unoccupied Free Cooling . . . . . . . . . . . . . . . . . . . . .24
Fire Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Compressor Safety . . . . . . . . . . . . . . . . . . . . . . . . . .25
Fan Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Filter Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Linkage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
OPERATION — STANDALONE MODE . . . . . . . . . . .25
Occupied and Unoccupied Setpoints (standalone
mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Heating (standalone mode) . . . . . . . . . . . . . . . . . . . .27
(standalone mode) . . . . . . . . . . . . . . . . . . . . . . . . .28
Demand Limit (standalone mode) . . . . . . . . . . . . . .28
Unoccupied Free Cooling (standalone mode) . . . .28
Unoccupied Fan Cycling (standalone mode) . . . . .28
Fire Shutdown (standalone mode) . . . . . . . . . . . . . .28
Compressor Safety (standalone mode) . . . . . . . . . .29
48/50LCB07-26
with VAV-RTU Open Controller
Содержание 48LCB07
Страница 4: ...4 Fig 2 VAV RTU Open Control Module ...
Страница 8: ...8 Fig 5 VAV RTU Open Control Wiring Diagram 48LC B07 ...
Страница 9: ...9 Fig 6 VAV RTU Open Control Wiring Diagram 48LC B08 12 ...
Страница 10: ...10 Fig 7 VAV RTU Open Control Wiring Diagram 48LC B14 26 ...
Страница 11: ...11 Fig 8 VAV RTU Open Control Wiring Diagram 50LC B07 ...
Страница 12: ...12 Fig 9 VAV RTU Open Control Wiring Diagram 50LC B08 12 ...
Страница 13: ...13 Fig 10 VAV RTU Open Control Wiring Diagram 50LC B14 26 ...
Страница 55: ......