Commercial Air Conditioner
Model: heat pump, 10SEER UNITS
21
System Superheat
Return Air Temperature ( )
℉
Ambient
Temperature At
Condenser Inlet
( )
℉
65
70
75
80
85
60 17
25 30 33 37
65 13
19 26 32 35
70 5
14 20 28
32
75 5
10 17 25
29
80
5 12 21
26
85
5 10 17
20
90
7 12
18
95
5 5 5
100
5 5
Table 8-2:System charging table by superheat
8.8.ELECTRICAL WIRING
! WARNING –
A means of strain relief must be installed to this appliance at the electrical service
entrance.
Make sure that interconnecting wires between indoor and outdoor units meet the
standards, codes and regulations. Incomplete connection or fixing of the wire could result in
a fire.
A means of strain relief must be installed to this appliance at the electrical service
entrance.
Do not use intermediate connection of the power cord or the extension cord and do
not connect many devices to one AC outlet
. It could cause a fire or an electric shock due
to defective contact, defective insulation, exceeding the permissible current, etc.
Perform electrical work according to the installation manual and be sure to use an
exclusive circuit.
If the capacity of the power circuit is insufficient or there is incomplete
electrical work, it could result in a fire or an electric shock.
Ground the unit.
Do not connect the ground to a gas pipe, water pipe, lighting rod or
telephone ground. Defective grounding could cause an electric shock.
Electrical installation will consists of power supply wiring to the condensing unit and control
wiring between thermostat, indoor unit and the condensing unit. All wiring must be in
accordance with National Electrical Code and/or local ordinances that may apply.
(See unit wiring diagram furnished with this instruction).
The condensing unit rating plate and the tables of "Physical and Electrical Specifications /
Outdoor Units" (Table 2-1 and 2-2) provide pertinent data necessary for the selection of proper
size electrical service and over-current protection devices.
Table 8-3
provides data on the minimum copper wire size as a function of supply wire
length and circuit ampacity.
