Service Instructions

PRODUCT IDENTIFICATION
20
Split System Heat Pumps
Model/Rev Description
GSZ13**1AA Initial release with Regal Beloit motor.
GSZ13**1AB
GSZ13**3AA
GSZ13**4AA
Initial release with Broad Ocean motor.
GSZ130[24 & 30]1AC Release of minor revision with improved circuiting for effective defrost.
GSZ130[24 & 36]1BA Initial release of models with 5mm Smart Coil™.
GSZ130241CA
Release of 2 Ton models with a compressor change from ZP21K5EPFV130 to
ZP20K5EPFV130.
GSZ130241CB
2 Ton models changing from the current four piece louver assembly, to a two piece louver
plus a corner post on Goodman and value series 26" and 29" chassis.
GSZ130[18, 42-60]1AC
GSZ130301AD
GSZ130361BB
Release of models containing crankcase heater, CCH switch and upgraded defrost control.
GSZ130[18,42,48,60]1AD
GSZ130301AE
GSZ130[36,48,60{3,4]AB
GSZ130[48,60{3,4]AB
Relocation of low pressure switch from liquid line to suction line as a compressor safeguard
to prevent low pressure from entering.
GSZ130[18,42,48]1AF
GSZ130301AG
GSZ130[36,48]3AD
GSZ130484AC
Changing from the current four piece louver assembly, to a two piece louver plus a corner
post on Goodman and value series 26" and 29" chassis.
GSZ130361BC
GSZ130[42,48]1AE
Release of models with new 6 pole motor/fan combination.
GSZ130361BD
Models with new 6 pole motor/fan combination. Changing from the current four piece louver
assembly, to a two piece louver plus a corner post on Goodman and value series 26" and
29" chassis.
GSZ130421AF
Release of two piece louver plus corner post on 26" and 29" chassis with compressor
changing from ZP36K5EPFV130 to ZP34K5EPFV130.
GSZ130[36, 48]3AC Release of 3 phase models with new 6 pole motor.
GSZ14**1AA Initial release of 14 SEER models.
GSZ130481AG
GSZ130483AE
GSZ130484AD
Replaced Ranco reversing valve 0151M00020 with SanHua 0151R00070 reversing valve .
GSZ13
G
OODMAN
S
PLIT
Z-
R410A HEAT PUMP 13 SEER
*GSZ13 CONTINUED ON THE NEXT PAGE