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ESI Outdoor Unit Installation Instruction
05.2018
Manufacturer reserves the right to change at any time for specifications or designs without notice and incurring obligations.
10. Electrical – Low Voltage
Define the maximum total length of low voltage wiring from the
outdoor unit, to indoor unit and thermostat.
Field provided bushing or strain relief is required at the low
voltage wire entry point.
Figure 10-2 Schematic diagram for control wiring connection
10.1 Low voltage wire requirement
CONTROL WIRING
Wire Size
Max. Wire Length
18 AWG
150Ft
10.2 Low voltage hook-up diagrams
G
R
C
W1
C
Y
O
W
W2
O
C
R
G
Y
G2
G2
INDOOR UNIT
OUTDOOR UNIT
THERMOSTAT
ONLY AVAILABLE TO ECOER THERMOSTAT
WITH EAHATN SERIES INDOOR UNIT
G
R
E
E
N
R
E
D
B
LA
C
K
/B
R
O
W
N
W
H
IT
E
B
LA
C
K
Y
E
LL
O
W
W
H
IT
E
O
R
A
N
G
E
Thermostat wiring
connector
Figure 10-1 Low voltage control wiring connection
Notes:
1. Be sure power supply agrees with equipment nameplate.
2. Power wiring and grounding of equipment must comply with local codes.
3. Low voltage wiring to be No. 18 AWG minimum conductor.
4. “ “ The electric auxiliary heat connection.
Table 10-1 Low voltage control wiring requirement
