L8148A,E,J AQUASTAT® RELAYS
60-2278—9
6
Fig. 4. Position of bulb in immersion well, and use of well adapter when required.
CAUTION
Equipment Damage Hazard.
Exceeding load limits can damage the equipment.
1. When L8148E or J is used to power zone valves,
low voltage 1.4A; 1.2A load is the maximum
permissible when ambient temperature exceeds
77°F (25°C). Use additional transformer(s) if load
exceeds ratings.
2. When L8148E (with 50 VA transformer) is used to
power SV9500/SV9600, a separate transformer
must be used to power zone valves.
CONTROLLER
CASE
IMMERSION
WELL CLAMP
ADAPTER
IMMERSION
WELL SPUD
BOILER
OLD IMMERSION
WELL ASSEMBLY
BACK OF
CONTROLLER
CASE
IMMERSION
WELL CLAMP
SCREW
ADAPTER
SENSING
BULB
HEAT-CONDUCTIVE COMPOUND
SETSCREW
CAPILLARY
TUBE
(C)
IMMERSION
WELL CLAMP
IMMERSION
WELL CLAMP SCREW
SHORT TUBE
FITS IN CENTRAL
RECESS OF ADAPTER
BEND THE CAPILLARY TUBE TO HOLD THE SENSING BULB IN GOOD
THERMAL CONTACT WITH THE IMMERSION WELL AT POINTS (A) AND (B).
ASSURE THAT CAPILLARY TUBE FITS FREELY IN THE ADAPTER SO THE
TENSION OF THE CAPILLARY TUBE AT POINT (C) HOLDS THE SENSING
BULB IN GOOD THERMAL CONTACT WITH THE IMMERSION WELL AT POINT (D).
M8830
1
1
2
2
(D)
(B)
(A)
