9
WIRED REMOTE CONTROLLER (NON-PROGRAM-
MABLE) — To connect non-programmable wired remote
controller (thermostat) to the indoor unit, use 5-core shielded
cable and 5-pin connector from unit display panel (see Fig. 10).
For setup instructions, refer to the controller installation
manual.
CENTRAL CONTROLLER — The central controller is
connected to the indoor unit through outdoor unit with 3-core
shielded cable (see Fig. 11). For setup instructions, refer to the
controller installation manual.
START-UP
Pre-Start Check —
Once installation is complete, make
the following pre-start checks:
1. All indoor and outdoor units are properly installed.
2. All piping and insulation is complete.
3. All electrical connections (both power and control) are
properly terminated.
4. All condensate drains are installed correctly.
5. The power supply is of the right voltage and frequency.
6. The units are properly grounded in accordance with cur-
rent electrical codes.
7. Suction and liquid line service valves are in open posi-
tion.
Drain Pump and Drainage Test —
Follow these
steps to perform the test:
1. Remove the test cover by rotating it counter-clockwise as
shown in Fig. 12.
2. Using a piece of tubing or pipe, fill the drain pump reser-
voir with 70 oz. of water. See Fig. 13.
3. Turn the unit ON in cooling mode. The pump comes on.
Watch the end of the drain pipe for any water. It may take
some time for the water to travel, depending on the length
of the drain pipe.
4. During this test, check any bends or joints for leakage.
WIRED REMOTE
CONTROLLER
4-PIN CONNECTOR
FROM ELECTRICAL BOX
INDOOR
UNIT
a40-1726
Fig. 9 — Wired Remote Controller
(Programmable) Wiring
INDOOR UNIT
DISPLAY PANEL
5-CORE CABLE
5-CORE SHIELDED CABLE
INDOOR UNIT
ELECTRIC CONTROL BOX
INDOOR UNIT
ELECTRIC CONTROL
PANEL
WIRED CONTROLLER
BACK
A40-1714
5-CORE CABLE
Fig. 10 — Wired Remote Controller
(Non-Programmable) Wiring
X Y E F1 F2 E
FORCED ON EMG. STOP
R
C
TO INDOOR UNIT
X,Y,E
DAISY CHAIN
NOT USED
FORCED
ON
SWITCH
EMERGENCY
STOP
SWITCH
24 VAC
a40-1774
Fig. 11 — Central Controller (Back)
C L O S E D
O
P E
N
C
L O
S E
D
O P E N
TEST COVER
A40-1853
Fig. 12 — Test Cover
