Component Description
October 2014 3-14 06-236115-001
3-3.4 Control Heads
A suitable control unit, specifically Listed and Approved for use with the following electric
control heads, shall be provided for supervision of the releasing circuits per NFPA
requirements. In addition, a 24-hour back-up power source shall be provided per NFPA
requirements.
3-3.4.1 Electric Control Heads, P/N WK-890181-000, P/N 81-890149-000, and P/N
WK-890165-000
The Electric Control Head provides for electric actuation of the HFC-227ea cylinder valve. It is
operated electrically from a detection and control system, a remote manual station, or locally
with a manual lever on the electric control head (P/N WK-890181-000 only). See Figure 3-13.
Figure 3-13. Electric Control Head
CAUTION
The stackable control head (P/N 82-486500-010) cannot be used with 3 in
valve cylinders (P/Ns 90-100600-100, 90-100601-100, 90-100900-001 and
90-100901-001). The stackable control head does not have sufficient force to
activate the 3 in valve (P/N 90-17000-000) and may result in a system failure.
The electric/manual control heads (P/Ns WK-890181-000, 81-890149-000,
and WK-890165-000) may be used with the 3 in valve.
PU
ELECTRIC
CONTROL HEAD
VOLTS
AMPS
PART NO.
SET RELEASED
MADE IN U. S. A.
TO RESET
USE SCREWDRIVER
CONNECTION FOR FLEXIBLE
ELECTRIC CONDUIT -
3/4 in. NPT FEMALE
LOCKING PIN
LOCAL MANUAL
RELEASE LEVER
SWIVEL NUT
Control Head
Part Number
WK-890181-000
81-890149-000
WK-890165-000
(a)
(a),(b)
Voltage
24 Vdc
Current
2.0A
KIDDE-FENWAL, INC.
400 MAIN STREET
ASHLAND, MA 01721
INDICATOR AND
RESET STEM
6.18 in.
4.00 in.
(102 mm)
(157 mm)
SEAL WIRE
(a) Not FM Approved for use with HFC-227ea Systems
(b) Not UL Listed for use with HFC-227ea Systems
115 Vac
125 Vdc
1.0A
0.3A