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4 Pelco Manual C1423M-D (10/03)
2.0 DESCRIPTION
The information in this manual covers the installation and operation of the following
kits for the EH5700/EHS700L Series environmental enclosures:
BK57-1 Blower kit, 120 VAC, 15 watts
BK57-2 Blower kit, 24 VAC, 10 watts
BK57-3 Blower kit, 230 VAC, 15 watts
HK57-1 Heater kit, 120 VAC, 100 watts
HK57-2 Heater kit, 24 VAC, 40 watts
HK57-3 Heater kit, 230 VAC, 100 watts
O/I-PCB Circuit board with thermostats
WD57-1 Window defroster kit, 120 VAC, 30 watts
WD57-2 Window defroster kit, 24 VAC, 30 watts
WD57-3 Window defroster kit, 230 VAC, 30 watts
The O/I-PCB circuit board is required for thermostatic control of the heaters and
defroster. The O/I-PCB is optional with the blower kits; without the O/I-PCB, the
blower will operate continuously.
2.1 CERTIFICATIONS
The products identified below have been tested and certified for agency compli-
ance as noted.
Agency Complance Certification
Model CE FCC UL CSA/cUL
BK57-1
BK57-2 X
BK57-3 X
HK57-1
HK57-2 X
HK57-3 X
O/I-PCB X
WD57-1
WD57-2 X
WD57-3 X
Applicable CE, FCC, UL, and CSA/cUL directives/standards:
• 93/68/EEC – CE Mark Directive
89/336/EEC, 92/31/EEC – Electromagnetic Compatibility (EMC) Directives
EN 55022: 1984 Class B – Radio-frequency emissions limits
EN 50082-2: 1992 – Immunity standard
IEC 801-2: 1984 – ESD immunity
IEC 801-3: 1984 – Radiated field immunity
IEC 801-4: 1988 – Electrical transients