Service manual
Bair Hugger Model 775 Temperature Management Unit Service Manual
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Electrical Characteristics
1400 W Resistive
Meets UL 60601-1 and IEC 60601-1 requirements.
Operating speed: 4,700 rpm (high fan setting),
4,100 rpm (low fan setting)
Airflow: up to 48 cfm or 23 L/s
Peak: 1550 W
Average: 800 W
15 ft., SJT, 3 cond., 13 A
15 ft., SJT, 3 cond., 15 A
4.6 m, HAR, 3 cond., 10 A
110-120 VAC, 50/60 Hz, 11.7 A, or
220-240 VAC, 50/60 Hz, 7.2 A, or
100 VAC, 50/60 Hz, 15 A
Type: Fast acting ceramic fuses, 250 VAC
Amp rating: 12 A (110 - 120 VAC)
8 A (220 - 240 VAC)
15 A (100 VAC)
Operating speed: F (Fast Acting)
Breaking capacity: 15 A, 12 A: 750 A @ 250 Vac
15 A, 12 A: 10,000 A @ 125 Vac
8 A: 200 A @ 250 Vac
8 A: 10,000 A @ 125 Vac
IEC 60601-1; IEC/EN 60601-1-2; UL 60601-1; CAN/CSA-
C22.2, No.601.1; EN 55011:
EN 80601-2-35
MEDICAL — GENERAL MEDICAL EQUIPMENT AS
TO ELECTRICAL SHOCK, FIRE AND MECHANICAL
HAZARDS ONLY IN ACCORDANCE WITH UL 60601-
1; CAN/CSA-C22.2, No.601.1; ANSI/AAMI ES60601-
1:2005 CSA-C22.2 No. 60601-1:08;
EN 80601-2-35; Control No.4HZ8.
Classified under IEC 60601-1 Guidelines (and other national
versions of the Guidelines) as Class I, Type BF, Ordinary
equipment, Continuous operation. Not suitable for use in
the presence of flammable anesthetic mixtures with air or
with oxygen or nitrous oxide. Classified by Underwriters
Laboratories Inc. with respect to electric shock, fire and
mechanical hazards only, in accordance with UL 60601-
1, EN80601-2-35 and in accordance with Canadian/CSA
C22.2, No. 601.1. Classified under the Medical Device
Directive as a Class IIb device.
A qualified service technician can perform over-
temperature detection system testing, temperature output
testing, operating temperature calibration, and fault code
troubleshooting.