Submittal Sheet

AUTOMATIC TIMER KIT AQUASTATS A-128D
TYPICAL SPECIFICATIONS
TIMER KIT DIMENSION IN INCHES (MM)
Furnish and install as shown on the circulator plans and in
accordance with the following specifications:
AUTOMATIC TIMER KIT:
1. The timer kit shall be UL approved.
2.
The timer kit shall be installed on the connection box of any
Bell & Gossett NBF/NRF/SSF system lubricated circulator.
3. The timer kit will be suitable for 115/120V, 60 HZ operation.
4. The timer shall provide automatic ON-
OFF control at
minimum interval of every 15 minutes. It shall also have the
option of providing manual ON-OFF control.
All units shall be ITT Industries - Bell & Gossett Model No.: TC-1
AQUASTATS:
1. The aquastat shall be UL approved.
2.
The aquastat shall be connected to the lead wires in the
connection box of any Bell & Gossett NBF/NRF/SSF
system lubricated circulator.
3.
The aquastat will be suitable for 115/120V, 60 HZ
operation.
4.
The aquastat shall provide thermostat control to the
circulator. It will turn OFF (open) at 120ºF (48.9º
C) and ON
(closed) at 100ºF (37.8º
C) the use of insulation in
installation with excessive heat or cooling may be
necessary. Use of fiberglass insulation with R-
values
greater than 1.6 is recommended.
All units shall be ITT Industries - Bell & Gossett Model No.:
(Choose: AQS-1/2 or AQS-3/4).
AUTOMATIC TIMER KIT AND AQUASTAT COMBINATION:
1.
The automatic timer kit and either aquastat model can be
combined to provide automatic time and temperature
control to any Bell & Gossett NBF/NRF/SSF circulator.
2.
When the automatic timer and the aquastat are used
together, the pump will only circulate water when the ON
time conditions are met and when the water temperature is
low enough to cause the aquastat to switch ON.
All units shall be ITT Industries - Bell & Gossett Model No.: TC-
1
and Bell & Gossett Model No.: (Choose: AQS-1/2 or AQS-3/4).
ITT
8200 N. Austin Avenue
Morton Grove, IL 60053
Phone [phone]
Facsimile [phone]
www.bellgossett.com