GSZ16 Service Manual

ACCESSORIES
56
ASZ/DSZ18
Model Description
A/DSZ18
036*
A/DSZ18
048*
A/DSZ18
060*
AFE18-60A All-Fuel Kit X X X
CSR-U-1 Hard-start Kit X
CSR-U-2 Hard-start Kit X
CSR-U-3 Hard-start Kit X X
FSK01A
1
Freeze Protection Kit X X X
LSK02A Liquid Line Solenoid Kit X X X
OT/EHR18-60 Emergency Heat Relay Kit X X X
OT18-60A² Outdoor Thermostat w/ Lockout Stat X X X
TX2N4A³ TXV Kit
TX3N4³ TXV Kit X
TX5N4³ TXV Kit X X
1
Installed on indoor coil
2
R
equ
i
re
f
or
h
ea
t
pump app
li
ca
ti
ons w
h
ere am
bi
en
t
t
empera
t
ures
f
a
ll
b
e
l
ow
0°F
w
ith
50%
or
high
er re
l
a
ti
ve
h
um
idy
.
³ Field- installed, non-bleed, expansion valve kit — Condensing units and heat pumps with reciprocating compressors require the use of
start- assist components when used in conjunction with an indoor coil using a non- bleed thermal expansion valve
refrigerant
metering
device
.