Armstrong Astro 220SSU050S-TA Istruzioni per l'installazione e il funzionamento - Pagina 2

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Model
Connection
Astro 220SSU050S-TA
Astro 220SSU075S-TA
Astro 225BS050S-TA
Astro 225BS075S-TA
Astro 220SSU-TA
Astro 225SSU-TA
Astro 230SS-TA
Astro 250SS-TA
Astro 220SSU050S-T
Astro 220SSU075S-T
Astro 225BS050S-T
Astro 225BS075S-T
Astro 220SSU-T
Astro 225SSU-T
Astro 230SS-T
Astro 250SS-T
Astro 220SSU050S-LC
Astro 220SSU075S-LC
Astro 225BS050S-LC
Astro 225BS075S-LC
Astro 220SSU-LC
Astro 225SSU-LC
Astro 230SS-LC
Astro 250SS-LC
Note: All weights are in lbs. (kg)

INSTALLATION

WARNING:
 Installation should only be completed by qualified personnel, in accordance with all applicable codes, and following
generally accepted installation practices.
 Ensure the hot water supply is turned off before installation, to avoid personal injury or damage to property.
 Read and understand these instructions thoroughly before beginning the installation.
CAUTION: Prior to installation, flush all piping of any foreign material to prevent pump blockage and prevent damage.
PROCEDURE
1. Timer installation and wiring
Note: Numerical component designations included in Steps a through i refer to circulator and timer components
shown in Fig. 1.
a. Unfasten the mounting screw (4A) and remove the terminal box cover (3).
b. Disconnect motor leads from the power supply.
c. Unfasten the mounting screw (4B) on the timer box cover (10) and detach it from the base (8).
d. Remove the original conductor (7A) from the circulator terminal box (2)
e. Fasten the connection adaptor (7B) to the circulator terminal box (2)
f.
Fasten the threaded fitting (6) to the connection adaptor (7B)
g. Fasten the lock nut (5A) on the end of the threaded fitting (6) and insert the timer box (8)
h. Fasten the lock nut (5B) onto the end of the threaded fitting (6) so the timer box (8) is in between and securely
attached.
i.
Connect timer lead wires (black, white and green) to the terminal box (See Fig. 2 for 24-Hour Timer wiring
diagram. See Fig. 3 for 24-Hour timer and Aquastat Control wiring diagram.)
j.
Re-attach the timer box cover (10) using the mounting screw (4B). Insure that all lead wires are inside the
timer assembly.
k. Close the terminal box cover (3) by fastening the mounting screw (4A).
Size
Sweat
½"
Sweat
¾"
Sweat
½"
Sweat
¾"
NPSM Union
1¼"
NPSM Union
1¼"
2-bolt Flange
2-bolt Flange
Sweat
½"
Sweat
¾"
Sweat
½"
Sweat
¾"
NPSM Union
1¼"
NPSM Union
1¼"
2-bolt Flange
2-bolt Flange
Sweat
½"
Sweat
¾"
Sweat
½"
Sweat
¾"
NPSM Union
1¼"
NPSM Union
1¼"
2-bolt Flange
2-bolt Flange
Cord
Timer
Aquastat
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Page 2 of 5
Electrical Data
115 Vac, 60 Hz, 0.36 A, 43w
115 Vac, 60 Hz, 0.36 A, 43w
115 Vac, 60 Hz, 0.64 A, 75w
115 Vac, 60 Hz, 0.64 A, 75w
115 Vac, 60 Hz, 0.36 A, 43w
115 Vac, 60 Hz, 0.69 A, 83w
115 Vac, 60 Hz, 0.81 A, 97w
115 Vac, 60 Hz, 0.98 A, 117w
115 Vac, 60 Hz, 0.36 A, 43w
115 Vac, 60 Hz, 0.36 A, 43w
115 Vac, 60 Hz, 0.64 A, 75w
115 Vac, 60 Hz, 0.64 A, 75w
115 Vac, 60 Hz, 0.36 A, 43w
115 Vac, 60 Hz, 0.69 A, 83w
115 Vac, 60 Hz, 0.81 A, 97w
115 Vac, 60 Hz, 0.98 A, 117w
115 Vac, 60 Hz, 0.36 A, 43w
115 Vac, 60 Hz, 0.36 A, 43w
115 Vac, 60 Hz, 0.64 A, 75w
115 Vac, 60 Hz, 0.64 A, 75w
115 Vac, 60 Hz, 0.36 A, 43w
115 Vac, 60 Hz, 0.69 A, 83w
115 Vac, 60 Hz, 0.81 A, 97w
115 Vac, 60 Hz, 0.98 A, 117w
Weight
6.3 (2.9)
6.3 (2.9)
6.3 (2.9)
6.3 (2.9)
6.8 (3.1)
6.8 (3.1)
8.3 (3.8)
8.3 (3.8)
6.3 (2.9)
6.3 (2.9)
6.3 (2.9)
6.3 (2.9)
6.8 (3.1)
6.8 (3.1)
8.3 (3.8)
8.3 (3.8)
6.0 (2.7)
6.0 (2.7)
6.0 (2.7)
6.0 (2.7)
6.5 (2.9)
6.5 (2.9)
8.0 (3.6)
8.0 (3.6)