Stulz CeilAir CW - Default Chapter; Table of Contents

44 OCH0006F08/13/2024
CEILAIR
®
CW & DX IOM
CONTENTS
CONTENTS
1.0 INTRODUCTION AND SAFETY .......10
1.1 General..........................................10
1.2 Product Description ....................10
1.3 Control Devices ............................10
1.4 Safety ............................................11
1.4.1 General ............................................ 11
1.5 General Design .............................14
1.5.1 Electric Box Access ......................... 14
1.5.2 Coil(s) ............................................... 15
1.5.3 Blower .............................................. 15
1.5.4 Temperature Sensor ....................... 15
1.6 Optional Equipment ..................... 16
1.6.1 Humidistat/Dehumidistat .............. 16
1.6.2 Temperature/Humidity Sensor ...... 16
1.6.3 Heaters ............................................ 16
1.6.4 Humidifier ........................................ 16
1.6.5 Condensate Pump........................... 17
1.6.6 Smoke Detector .............................. 17
1.6.7 Firestat ............................................. 17
1.6.8 Water Detector ................................ 17
1.7 Free-Cooling Operation ...............17
1.8 AWS Operation .............................19
2.0 INSTALLATION ...............................21
2.1 Receiving the Equipment ............21
2.2 Site Preparation ...........................21
2.3 Rigging .........................................22
2.4 Mounting ......................................22
2.4.1 Indoor Equipment ........................... 23
2.4.2 Outdoor Equipment ........................ 23
2.4.3 Controls ........................................... 24
2.4.3.1 ATech Programmable Thermostats 24
2.4.3.2 Advanced STULZ E² Controller ........ 26
2.4.4 Optional Equipment ........................ 26
2.4.4.1 Condensate Pump (Field Installed) . 26
2.4.4.2 Non-Fused Service Switch ................ 27
2.4.5 Remote Sensors ................................. 27
2.4.5.1 Remote Temperature Sensor (ATech) 27
2.4.5.2 Remote Temperature/Humidity Sensor
(E²) .......................................................................... 28
2.4.6 Humidistat/Dehumidistat (Used with
ATech1.1/1.2 Thermostat) ........................ 29
2.4.7 Spot Water Detector .......................... 29
2.4.8 Cable Type Water Detector ................ 30
2.5 Air Distribution Connection ........... 30
2.5.1 Spot Cooler ......................................... 30
2.5.2 Ducted Systems ................................. 30
2.6 Piping Connections........................ 31
2.6.1 Refrigerant ......................................... 31
2.6.1.1 Self-Contained Systems ....................... 31
2.6.1.2 Split Systems .......................................... 31
2.6.1.3 Remote Air Cooled Condensers (AR
Models) ................................................................... 35
2.6.1.4 Remote Air Cooled Condensing Units
(AHU Models) ......................................................... 35
2.6.2 Piping for Chilled Water, Water/Glycol,
and Hot Water Reheat ................................. 36
2.6.3 Condensate Drain Line ....................... 36
2.6.3.1 Gravity Drain ............................................ 36
2.6.3.2 Condensate Pump .................................. 37
2.6.4 Humidifier (Optional) ........................ 37
2.7 Utility Connections ........................ 38
2.7.1 Main Power ......................................... 38
2.7.1.1 Single-Phase Units 208/230 V ............ 39
2.7.1.2 Single-Phase Units 277 V ..................... 39
2.7.1.3 Three-Phase Units .................................. 39
2.7.2 Controls .............................................. 40
2.7.2.1 ATech 1.1 Programmable Thermostat
................................................................................. 40
2.7.2.2 ATech 1.2 Programmable Thermostat
................................................................................. 40
2.7.3.1 Remote Condenser ................................ 45
2.7.3.2 Remote Condensing Unit ...................... 45
2.7.4 Water/Glycol Systems ....................... 45
2.7.5 Remote Shut Down ............................ 45
2.7.6 Optional Equipment ........................... 46
2.7.6.1 Condensate Pump .................................. 46
2.7.6.2 Humidistat/Dehumidistat .................... 46
2.7.6.3 Remote Water Detector......................... 46