Table of Contents
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Please read this Installation Manual carefully before installing the Dx-Interface RA control type.
This Manual describes the installation method of the Dx-Controller.
You must also refer to the Installation and Owner's Manual attached to the Toshiba Carrier VRF outdoor unit.
Please follow the manual(s) for your local supplied products.
Toshiba Carrier North America, Inc. does not take any responsibility on the local design.
This product is exclusively designed to be connected to a field supplied Dx-Coil and AHU.
Do not try to fix the controller if there is a malfunction
This Air Conditioner is a new type which adopts a new refrigerant HFC (R410A) instead of the conventional
refrigerant R22 in order to prevent destruction of the ozone layer.
This appliance is for commercial use only and should not be accessible to the general public.
This appliance is not intended for use by person (including children) with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning
use of the appliance by a person responsible for their safety.
Children should be supervised to ensure that they do not play with the appliance.
Contents
1
PRECAUTION OF SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . 2
2
OVERVIEW : DX-INTERFACE RA CONTROL TYPE . . . . . . . . . . . . . . . . . . . . . . . 4
3
SYSTEM CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4
SUPPLIED PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6
ELECTRICAL WORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7
APPLICABLE CONTROLS & BMS INTEGRATION. . . . . . . . . . . . . . . . . . . . . . . . . 18
8
TEST RUN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
9
TROUBLE SHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
ADOPTION OF NEW REFRIGERANT
1
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