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FRESENIUS MEDICAL CARE
MEDICAL TREATMENT CHAIR
INSTRUCTION MANUAL - T688B Series
Page 13 of 20
IFU T688B V2 Apr 2021
7
PHYSICAL DESCRIPTION
8.1
DESCRIPTION OF DEVICE
T688B series chairs are electrically powered chairs with separate actuators allowing
individual movement of lifting, backrest and leg rest. The Nurse Handset hung at the rear
of the chair includes controls for Hi-Low (whole chair height), backrest, leg rest, memory
position1, 2 &3, and storing memory positions. The optional Patient Handset (when
fitted) hung at the rear of the chair includes controls for backrest and leg rest only.
The T688B chair consists of:
- four (4) actuators
- one (1) or two (2) hand controls (one nurse control & one optional patient
control)
- pivoting or adjustable armrests
- 4 locking castors or central locking castors
- removable upholstery of adjustable head rest, backrest, seat cushions
and leg rest
- metal frame
8.2
TECHNICAL SPECIFICATIONS
8.2.1 Dimensions, Weight & Capacity
T688B
Dimensions
(depending on options)
Height: 128
– 135 cm
Width: 112 cm
Length: 100 cm
Weight
(depending on options)
128kg (282 lbs)
Capacity
300kg (
661 lbs)
8.2.2 Electrical Safety
CB 6 (Control Box) Specifications
Degree of protection against ingress of solids/liquids
IPX6
Battery Capacity
1.2 AH, 24 V
Mains voltage
120V ~ or 230V~ 50/60 Hz
Hand Control Specifications
Degree of protection against ingress of solids/liquids
IP54 (Nurse Hand Control)
Degree of protection against ingress of solids/liquids
IP54 (Patient Hand Control)
Actuator Specifications
Degree of protection against ingress of solids/liquids
IPX6
8.2.3 Electrical Supply
Input voltage
120 V~ or 230 V ~
Nominal frequency
60 Hz or 50 Hz
Battery type
Lead Acid battery
Capacity
1.2 Ah
Output voltage
24 V DC