P
AGE
7
1127179,
V
ER
.
02
D
REAM
S
TATION
B
I
PAP
S/T
AND
AVAPS
S
ERVICE
&
T
ECHNICAL
R
EFERENCE
M
ANUAL
Chapter 1.
Introduction
This service manual provides information on servicing DreamStation BiPAP S/T and AVAPS devices and Hu-
midifiers. Refer to the sections below for an overview of the device, cleaning, troubleshooting, repair and test-
ing procedures.
CAUTION
U.S. federal law restricts this device to sale by or on the order of a physician.
1.1 System Overview
Device Description
Model Number Series*
DreamStation BiPAP S/T 25
yyX1025
S
zz (C or W**)
DreamStation BiPAP S/T 25 w/ Humidifier and Standard Tube
yyX1025
H
zz (C or W**)
DreamStation BiPAP S/T 25 w/ Humidifier and Heated Tube
yyX1025
T
zz (C* or W**)
DreamStation BiPAP S/T 30
yyX1030
S
zz (C* or W**)
DreamStation BiPAP S/T 30 w/ Humidifier and Standard Tube
yyX1030
H
zz (C* or W**)
DreamStation BiPAP S/T 30 w/ Humidifier and Heated Tube
yyX1030
T
zz (C* or W**)
DreamStation BiPAP AVAPS 25
yyX1125
S
zz (C or W**)
DreamStation BiPAP AVAPS 25 w/ Humidifier and Standard Tube
yyX1125
H
zz (C or W**)
DreamStation BiPAP AVAPS 25 w/ Humidifier and Heated Tube
yyX1125
T
zz (C or W**)
DreamStation BiPAP AVAPS 30
yyX1130
S
zz (C or W**)
DreamStation BiPAP AVAPS 30 w/ Humidifier and Standard Tube
yyX1130
H
zz (C or W**)
DreamStation BiPAP AVAPS 30 w/ Humidifier and Heated Tube
yyX1130
T
zz (C or W**)
DreamStation BiPAP AVAPS 30 AE
yyX1131
S
zz (C or W**)
DreamStation BiPAP AVAPS 30 AE w/ Humidifier and Standard Tube
yyX1131
H
zz (C or W**)
DreamStation BiPAP AVAPS 30 AE w/ Humidifier and Heated Tube
yyX1131
T
zz (C or W**)
DreamStation Humidifier
yyXH
DreamStation Humidifier, Core Pack
yyXHCP