2
Table 1 Accessory Heaters Electrical Data
Ton
3RT
4/5RT
6.25/7.5RT
8.5/10/12.5
RT
15/17.5RT
20/25RT
Heater
Model No.
LKAEH052
LKAEH102
LKAEH052
LKAEH102
LKAEH152
LKAEH09B
LKAEH18B
LKAEH09B
LKAEH18B
LKAEH18B
LKAEH36B
LKAEH36BL
Heater
KW Rating
3.6/5.0
7.2/10.0
3.6/5.0
7.2/10.0
14.4/15.0
7.8/9.0
15.6/18.0
7.8/9.0
15.6/18.0
15.6/18.0
31.2/36.0
31.2/36.0
Control
Stages
1
1
1
1
1
1
1
1
1
1
2
2
27.6/32.2
47.4/55
29.6/34.2
49.4/57.0
69.0/79.7
30.4/35.1
50.9/58.7
35.7/41.2
56.2/64.8
56.2/64.8
97.1/112.1
97.1/112.1
60/60
60/60
60/60
60/60
90/90
60/60
70/70
60/60
70/70
70/70
125/125
125/125
60/60
60/60
60/60
60/60
90/90
60/60
70/70
60/60
70/70
70/70
125/125
125/125
-
-
-
-
-
33.0/38.1
53.3/61.5
42.0/48.4
62.4/72.0
62.4/72.0
103.4/119.3
103.4/119.3
-
-
-
-
-
60/60
70/70
60/60
80/80
80/80
125/125
125/125
-
-
-
-
-
60/60
70/70
60/60
80/80
80/80
125/125
125/125
Heater
Rated Volts
208-240/60/1
208-240/60/1
208-240/60/1
208-240/60/1
208-240/60/1
208-240/60/3
208-240/60/3
208-240/60/3
208-240/60/3
208-240/60/3
208-240/60/3
208-240/60/3
Standard indoor fan motor
M.C.A
M.C.A
M.F.S
M.F.S
M.C.B
M.C.B
Over size indoor motor
Note;
Heater KW ratings are at 208/240V for 220V unit.
M.C.A; Minimum Circuit Ampere
M.F.S; Maximum Fuse Size
M.C.B; Maximum Circuit Breaker
* HACR type Circuit Breaker per NEC.
Installation
1. Loosen the screw that secures heater
compartment access panel. Lift up, pull
towards you and slide it down to remove.
2. Remove four(4) screws from block off panel
to expose heater cavity and heaterʼs back
support bracket. Save screws for installing
heater later.(See Figure 2.)
Heater Access Panel
Compressor Access Panel
Figure 1
Figure 2
: Open and lock unit disconnect
switch before installing this accessory to prevent
injury or death due to electrical shock or contact
with moving parts.
WARNING
Support
Bracket
Block off panel
Heater Cavity
