Installation Instructions - Technibel GRF148MR5I Technical & Service Manual

This air conditioner uses the new refrigerant R410A.
Contents
IMPORTANT!
Please Read Before Starting .................................. 2
1. GENERAL .......................................................... 3
1-1. Tools Required for Installation (not supplied)
1-2. Accessories Supplied with Unit
1-3. Optional Copper Tubing Kit
1-4. Type of Copper Tube and Insulation Material
1-5. Additional Materials Required for Installation
2. INSTALLATION SITE SELECTION ................... 4
2-1. Indoor Unit
2-2. Connecting Indoor Units
2-3. Outdoor Unit
2-4. Outer Dimensions of Outdoor Unit
2-5. Diagram of Outdoor Unit Installation
3. INSTALLATION PROCESS .............................. 13
3-1. Embedding the Tubing and Wiring
3-2. Drain Cap and Drain Elbow
3-3. Use of the Flaring Method
3-4. Flaring Procedure with a Flare Tool
3-5. Caution Before Connecting Tubes Tightly
3-6. Tubing Connections
3-7. Insulation of Refrigerant Tubing
3-8. Taping the Tubes
3-9. Finishing the Installation
4. AIR PURGING................................................... 16
I Air Purging with a Vacuum Pump (for Test Run)
I Pump Down
5. WIRING INSTRUCTIONS ................................ 19
5-1. General Precautions on Wiring
5-2. Recommended Wire Length and Diameter
5-3. Wiring System Diagram
5-4. How to Connect Wiring to the Terminal
5-5. Wiring Instructions for the Outdoor Unit
6. TEST RUN......................................................... 23
7. CONNECTING A HOME AUTOMATION
DEVICE ............................................................. 24
8. INSTALLATION CHECK SHEET ...................... 24
9. ELECTRIC WIRING DIAGRAM ........................ 25
446
85264190 000

INSTALLATION INSTRUCTIONS

- Multi Split system air conditioner -
Page
Combine indoor and outdoor units only as listed
below.
Indoor Unit
MCAF78MR5I
MCAF98MR5I
MCAF128MR5I
MCAF188R5I
MCAF248R5I
Combine indoor and outdoor units only as listed in
the combination tables for 2-room, 3-room or
4-room outdoor unit as shown in its respective
manual.
Power Source:
50 Hz, single-phase, 220 - 240 VAC
Be sure to read the yellow instruction sheet
attached to the outdoor unit for models using the
new refrigerant R410A.
Indoor unit B
Indoor unit A
Outdoor unit
NOTE
The illustrations are based on the typical appearance of
a standard model. Consequently, the shape may differ
from that of the air conditioner that you are installing.
12/2007
For Outdoor Unit
COOL / DRY/ HEAT Model
Model Combinations
Outdoor Unit
GRF148MR5I
GRF198MR5I
GRF248MR5I
GRF318MR5I
Combination example
Indoor unit D
Indoor unit C