Summary of Contents for Fujitsu Airstage AUUA4TLAV1
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INSTALLATION MANUAL INDOOR UNIT (Cassette type) For authorized service personnel only. MANUEL D’INSTALLATION UNITÉ INTÉRIEURE (type cassette) Pour le personnel agréé uniquement. MANUAL DE INSTALACIÓN UNIDAD INTERIOR (Tipo casete) Únicamente para personal de servicio autorizado. AUUA4TLAV1 AUUA7TLAV AUUA9TLAV AUUA12TLAV AUUA14TLAV AUUA18TLAV AUUA24TLAV PART No.
INSTALLATION MANUAL 1.2. SPECIAL PRECAUTIONS PART No. 9371022581-02 When Wiring VRF system indoor unit (Cassette type) ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH. ONLY A Contents QUALIFIED, EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM. SAFETY PRECAUTIONS ..................1 •...
2.5. About unit of the length Installation manual (This book) All Fujitsu General products are manufactured to metric units and tolerances. United States customary units are provided for reference only. In cases where exact dimensions and tolerances are required, always refer to metric units.
Fig. A 3. INSTALLATION WORK Correct initial installation location is important because it is difficult to move unit after it is Strong and durable ceiling installed. 3.1. Selecting an installation location 11 in (262 mm) or more WARNING Select installation locations that can properly support the weight of the indoor. Install the units securely so that they do not topple or fall.
Fig. C 4. PIPE INSTALLATION 20-7/8 (530) Unit: in (mm) (Hanging bolt position) CAUTION Be more careful that foreign matter (oil, water, etc.) does not enter the piping than with refrigerant R410A models. Also, when storing the piping, securely seal the openings by pinching, taping, etc.
Dimension A [in (mm)] CAUTION 0 (0) Pipe outside diameter Dimension B -0.015 (-0.4) Flare tool for R410A, [in (mm)] [in (mm)] After checking for gas leaks (refer to the Installation Manual of the outdoor unit), per- clutch type form this section. 1/4 (6.35) 3/8 (9.1) Install heat insulation around both the large (gas) and small (liquid) pipes.
Working procedure 6. ELECTRICAL WIRING (1) Install the attached drain hose to the drain port of the body. Install the hose band from the top of the hose within the graphic display area. WARNING (2) Use vinyl adhesive agent to glue the drain piping (PVC pipe) which is prepared on site or elbow socket.
A. Current breaker requirements 6.3. Unit wiring • MCA: Minimum Circuit Ampacity MAX. CKT. BKR Before attaching the cable to terminal block. • MAX. CKT. BKR: Maximum Circuit Model (Fuse capacity) Breaker 6.3.1. Power supply cable AUUA4TLAV1 0.29 A Adjust the length of power supply cable to avoid excessive tension with referring figure When the power crossover wiring is below.
● Apply voltage terminal ([CNA01], [CNA03]) Optional parts wiring 6.5. When a power supply must be provided at the input device you want to connect, use the 6.5.1 Connector and DIP switch position Apply voltage terminal ([CNA01], [CNA03]). DC power supply CAUTION P.C.B 12 to 24V...
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● Forced thermostat off function P.C.B [“Edge” input only] Connector Input signal Command CNA02 Thermostat off OFF → ON Ch3 of CNA03 or CNA04 Normal ON → OFF (2) External output P.C.B • A twisted pair cable (22AWG) should be used. Maximum length of cable is 82 ft (25 m). •...
7. FIELD SETTING Address Rotary switch setting Address Rotary switch setting REF AD SW IU AD SW Refrigerant There are 3 methods for address setting by FIELD SETTING as follows. Indoor unit circuit × 10 × 1 × 10 × 1 Set by either of the methods.
Function Custom code DIP switch “SET3” Function Setting number Default Details DIP switch number A (Factory SET3 00 Mode 0 setting) • Set this function when connect- ing the VRF system to a venti- 01 Mode 1 Switching lator, economizer, humidifier, or 02 Mode 2 functions other external device.
• Indoor unit address example 8.2. Install cassette grille to indoor unit (Example) ADDRESS : 24 (1) Install the cassette grille on the indoor unit. 1 cycle 12 sec “DRAIN” mark “PIPE” mark OPERATION indicator lamp (Green) TIMER indicator lamp 0.5s 0.5s 0.5s 0.5s 10 sec (Orange)
8.3. Attach the intake grille Error indications Wired Remote TIMER The installation is the reverse of “REMOVING THE INTAKE GRILLE”. Controller Error contents OPERATION FILTER lamp The intake grille can be rotated and installed 4 ways to suit the user’s preference. Error code lamp (green) lamp (red)