Table Of Contents - Carrier 42GM Installation, Operation And Maintenance Instructions

Individual air treatment module for variable-flow systems

Table of Contents

CONTENTS

1 - INTRODUCTION ..................................................................................................................................................................... 3

2 - FEATURES ................................................................................................................................................................................. 5

.1 - Physical and electrical data ..................................................................................................................................................... 5

. - Operating limits ........................................................................................................................................................................ 6

.3 - Dimensional drawings - 4GM on front and rear supports ................................................................................................ 7

.4 - Packaging .................................................................................................................................................................................. 8

.5 - Receiving a shipment - installation methods ........................................................................................................................ 8

3 - SAFETY CONSIDERATIONS ............................................................................................................................................... 9

3.1 - General ...................................................................................................................................................................................... 9

3. - Precautions against electrocution ........................................................................................................................................... 9

3.3 - General installation recommendations.................................................................................................................................. 9

3.4 - Conformity ................................................................................................................................................................................ 9

4 - INSTALLATION ...................................................................................................................................................................... 10

4.1 - Installation of the front fastening supports, the rear suspension rail and the rectangular duct outlets ....................... 10

4. - 4GM installation ................................................................................................................................................................... 11

4.3 - Removing a 4GM unit ......................................................................................................................................................... 13

5 - FRESH AIR .............................................................................................................................................................................. 14

5.1 - Constant fresh air controller (optional) .............................................................................................................................. 14

5. - Variable fresh air controller (optional) ................................................................................................................................ 14

6 - FAN MOTOR ASSEMBLY .................................................................................................................................................... 15

6.1 - Description .............................................................................................................................................................................. 15

6. - Fan motor removal ................................................................................................................................................................. 15

7 - WATER COIL ........................................................................................................................................................................... 16

7.1 - Description .............................................................................................................................................................................. 16

7. - Removing the coil .................................................................................................................................................................. 16

7.3 - Water inlet/outlet connections .............................................................................................................................................. 17

8 - FLEXIBLE WATER PIPES ................................................................................................................................................... 17

9 - VALVE MOTOR AND 2-WAY VALVE BODY ................................................................................................................. 18

9.1 - Motor of the on/off thermo-electric valve motor ............................................................................................................... 18

9. - Valve motor replacement procedure .................................................................................................................................... 18

9.3 - Replacing the valve body ...................................................................................................................................................... 18

10 - FILTER .................................................................................................................................................................................... 19

11 - ELECTRIC HEATER ........................................................................................................................................................... 20

11.1 - General .................................................................................................................................................................................. 0

11. - Description ............................................................................................................................................................................ 0

11.3 - Removing the electric heater .............................................................................................................................................. 0

12 - PERFORMANCES ............................................................................................................................................................... 21

1.1 - Electrical data ....................................................................................................................................................................... 1

1. - Air flow/available static pressure data ...............................................................................................................................

13 - CONTROLLER ..................................................................................................................................................................... 23

13.1 - Carrier numeric controller .................................................................................................................................................. 3

13. - Carrier room thermostats .................................................................................................................................................... 3

The illustrations shown in this document are solely for information, and not contractually binding. The manufacturer

reserves the right to make changes without previous notiﬁcation.